1168404Spjd/* 2168404Spjd * CDDL HEADER START 3168404Spjd * 4168404Spjd * The contents of this file are subject to the terms of the 5168404Spjd * Common Development and Distribution License (the "License"). 6168404Spjd * You may not use this file except in compliance with the License. 7168404Spjd * 8168404Spjd * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9168404Spjd * or http://www.opensolaris.org/os/licensing. 10168404Spjd * See the License for the specific language governing permissions 11168404Spjd * and limitations under the License. 12168404Spjd * 13168404Spjd * When distributing Covered Code, include this CDDL HEADER in each 14168404Spjd * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15168404Spjd * If applicable, add the following below this CDDL HEADER, with the 16168404Spjd * fields enclosed by brackets "[]" replaced with your own identifying 17168404Spjd * information: Portions Copyright [yyyy] [name of copyright owner] 18168404Spjd * 19168404Spjd * CDDL HEADER END 20168404Spjd */ 21236884Smm 22168404Spjd/* 23219089Spjd * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24307281Smav * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25297112Smav * Copyright (c) 2014 Integros [integros.com] 26326336Sasomers * Copyright 2016 Nexenta Systems, Inc. 27168404Spjd */ 28168404Spjd 29168404Spjd#include <stdio.h> 30249207Smm#include <unistd.h> 31168404Spjd#include <stdio_ext.h> 32168404Spjd#include <stdlib.h> 33168404Spjd#include <ctype.h> 34168404Spjd#include <sys/zfs_context.h> 35168404Spjd#include <sys/spa.h> 36168404Spjd#include <sys/spa_impl.h> 37168404Spjd#include <sys/dmu.h> 38168404Spjd#include <sys/zap.h> 39168404Spjd#include <sys/fs/zfs.h> 40168404Spjd#include <sys/zfs_znode.h> 41219089Spjd#include <sys/zfs_sa.h> 42219089Spjd#include <sys/sa.h> 43219089Spjd#include <sys/sa_impl.h> 44168404Spjd#include <sys/vdev.h> 45168404Spjd#include <sys/vdev_impl.h> 46168404Spjd#include <sys/metaslab_impl.h> 47168404Spjd#include <sys/dmu_objset.h> 48168404Spjd#include <sys/dsl_dir.h> 49168404Spjd#include <sys/dsl_dataset.h> 50168404Spjd#include <sys/dsl_pool.h> 51168404Spjd#include <sys/dbuf.h> 52168404Spjd#include <sys/zil.h> 53168404Spjd#include <sys/zil_impl.h> 54168404Spjd#include <sys/stat.h> 55168404Spjd#include <sys/resource.h> 56168404Spjd#include <sys/dmu_traverse.h> 57168404Spjd#include <sys/zio_checksum.h> 58168404Spjd#include <sys/zio_compress.h> 59185029Spjd#include <sys/zfs_fuid.h> 60208047Smm#include <sys/arc.h> 61219089Spjd#include <sys/ddt.h> 62236884Smm#include <sys/zfeature.h> 63248571Smm#include <zfs_comutil.h> 64325915Savg#include <libcmdutils.h> 65185029Spjd#undef verify 66185029Spjd#include <libzfs.h> 67168404Spjd 68244246Smm#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 69244246Smm zio_compress_table[(idx)].ci_name : "UNKNOWN") 70244246Smm#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 71244246Smm zio_checksum_table[(idx)].ci_name : "UNKNOWN") 72244246Smm#define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 73244246Smm dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 74244246Smm dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 75244246Smm#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 76244246Smm (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \ 77244246Smm DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES)) 78219089Spjd 79219089Spjd#ifndef lint 80268650Sdelphijextern boolean_t zfs_recover; 81273508Sdelphijextern uint64_t zfs_arc_max, zfs_arc_meta_limit; 82275488Sdelphijextern int zfs_vdev_async_read_max_active; 83219089Spjd#else 84268650Sdelphijboolean_t zfs_recover; 85273508Sdelphijuint64_t zfs_arc_max, zfs_arc_meta_limit; 86275488Sdelphijint zfs_vdev_async_read_max_active; 87219089Spjd#endif 88219089Spjd 89168404Spjdconst char cmdname[] = "zdb"; 90168404Spjduint8_t dump_opt[256]; 91168404Spjd 92168404Spjdtypedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 93168404Spjd 94168404Spjdextern void dump_intent_log(zilog_t *); 95168404Spjduint64_t *zopt_object = NULL; 96168404Spjdint zopt_objects = 0; 97185029Spjdlibzfs_handle_t *g_zfs; 98273508Sdelphijuint64_t max_inflight = 1000; 99168404Spjd 100288559Smavstatic void snprintf_blkptr_compact(char *, size_t, const blkptr_t *); 101288559Smav 102168404Spjd/* 103168404Spjd * These libumem hooks provide a reasonable set of defaults for the allocator's 104168404Spjd * debugging facilities. 105168404Spjd */ 106168404Spjdconst char * 107168404Spjd_umem_debug_init() 108168404Spjd{ 109168404Spjd return ("default,verbose"); /* $UMEM_DEBUG setting */ 110168404Spjd} 111168404Spjd 112168404Spjdconst char * 113168404Spjd_umem_logging_init(void) 114168404Spjd{ 115168404Spjd return ("fail,contents"); /* $UMEM_LOGGING setting */ 116168404Spjd} 117168404Spjd 118168404Spjdstatic void 119168404Spjdusage(void) 120168404Spjd{ 121168404Spjd (void) fprintf(stderr, 122326336Sasomers "Usage: %s [-CmMdibcsDvhLXFPAG] [-t txg] [-e [-p path...]] " 123326335Sasomers "[-U config] [-I inflight I/Os] [-x dumpdir] [-o var=value] " 124326335Sasomers "poolname [object...]\n" 125263393Sdelphij " %s [-divPA] [-e -p path...] [-U config] dataset " 126263393Sdelphij "[object...]\n" 127269773Sdelphij " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] " 128263393Sdelphij "poolname [vdev [metaslab...]]\n" 129263393Sdelphij " %s -R [-A] [-e [-p path...]] poolname " 130263393Sdelphij "vdev:offset:size[:flags]\n" 131263393Sdelphij " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n" 132326336Sasomers " %s -l [-Aqu] device\n" 133263393Sdelphij " %s -C [-A] [-U config]\n\n", 134219089Spjd cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 135168404Spjd 136219089Spjd (void) fprintf(stderr, " Dataset name must include at least one " 137219089Spjd "separator character '/' or '@'\n"); 138219089Spjd (void) fprintf(stderr, " If dataset name is specified, only that " 139219089Spjd "dataset is dumped\n"); 140219089Spjd (void) fprintf(stderr, " If object numbers are specified, only " 141219089Spjd "those objects are dumped\n\n"); 142219089Spjd (void) fprintf(stderr, " Options to control amount of output:\n"); 143219089Spjd (void) fprintf(stderr, " -d dataset(s)\n"); 144219089Spjd (void) fprintf(stderr, " -i intent logs\n"); 145219089Spjd (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 146219089Spjd (void) fprintf(stderr, " -h pool history\n"); 147219089Spjd (void) fprintf(stderr, " -b block statistics\n"); 148219089Spjd (void) fprintf(stderr, " -m metaslabs\n"); 149269773Sdelphij (void) fprintf(stderr, " -M metaslab groups\n"); 150219089Spjd (void) fprintf(stderr, " -c checksum all metadata (twice for " 151209962Smm "all data) blocks\n"); 152219089Spjd (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 153219089Spjd (void) fprintf(stderr, " -D dedup statistics\n"); 154219089Spjd (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 155219089Spjd (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 156326336Sasomers (void) fprintf(stderr, " -l read label contents\n"); 157209962Smm (void) fprintf(stderr, " -L disable leak tracking (do not " 158209962Smm "load spacemaps)\n"); 159219089Spjd (void) fprintf(stderr, " -R read and display block from a " 160219089Spjd "device\n\n"); 161219089Spjd (void) fprintf(stderr, " Below options are intended for use " 162268653Sdelphij "with other options:\n"); 163219089Spjd (void) fprintf(stderr, " -A ignore assertions (-A), enable " 164219089Spjd "panic recovery (-AA) or both (-AAA)\n"); 165219089Spjd (void) fprintf(stderr, " -F attempt automatic rewind within " 166219089Spjd "safe range of transaction groups\n"); 167219089Spjd (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 168185029Spjd "cachefile\n"); 169219089Spjd (void) fprintf(stderr, " -X attempt extreme rewind (does not " 170219089Spjd "work with dataset)\n"); 171219089Spjd (void) fprintf(stderr, " -e pool is exported/destroyed/" 172219089Spjd "has altroot/not in a cachefile\n"); 173219089Spjd (void) fprintf(stderr, " -p <path> -- use one or more with " 174219089Spjd "-e to specify path to vdev dir\n"); 175268653Sdelphij (void) fprintf(stderr, " -x <dumpdir> -- " 176268653Sdelphij "dump all read blocks into specified directory\n"); 177268653Sdelphij (void) fprintf(stderr, " -P print numbers in parseable form\n"); 178219089Spjd (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 179209962Smm "searching for uberblocks\n"); 180269773Sdelphij (void) fprintf(stderr, " -I <number of inflight I/Os> -- " 181268653Sdelphij "specify the maximum number of " 182268653Sdelphij "checksumming I/Os [default is 200]\n"); 183307281Smav (void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before " 184307281Smav "exiting\n"); 185326335Sasomers (void) fprintf(stderr, " -o <variable>=<value> set global " 186326335Sasomers "variable to an unsigned 32-bit integer value\n"); 187326336Sasomers (void) fprintf(stderr, " -q don't print label contents\n"); 188326336Sasomers (void) fprintf(stderr, " -u uberblock\n"); 189168404Spjd (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 190168404Spjd "to make only that option verbose\n"); 191168404Spjd (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 192168404Spjd exit(1); 193168404Spjd} 194168404Spjd 195307281Smavstatic void 196307281Smavdump_debug_buffer() 197307281Smav{ 198307281Smav if (dump_opt['G']) { 199307281Smav (void) printf("\n"); 200307281Smav zfs_dbgmsg_print("zdb"); 201307281Smav } 202307281Smav} 203307281Smav 204209962Smm/* 205209962Smm * Called for usage errors that are discovered after a call to spa_open(), 206209962Smm * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 207209962Smm */ 208209962Smm 209168404Spjdstatic void 210168404Spjdfatal(const char *fmt, ...) 211168404Spjd{ 212168404Spjd va_list ap; 213168404Spjd 214168404Spjd va_start(ap, fmt); 215168404Spjd (void) fprintf(stderr, "%s: ", cmdname); 216168404Spjd (void) vfprintf(stderr, fmt, ap); 217168404Spjd va_end(ap); 218168404Spjd (void) fprintf(stderr, "\n"); 219168404Spjd 220307281Smav dump_debug_buffer(); 221307281Smav 222209962Smm exit(1); 223168404Spjd} 224168404Spjd 225168404Spjd/* ARGSUSED */ 226168404Spjdstatic void 227168404Spjddump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 228168404Spjd{ 229168404Spjd nvlist_t *nv; 230168404Spjd size_t nvsize = *(uint64_t *)data; 231168404Spjd char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 232168404Spjd 233209962Smm VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 234168404Spjd 235168404Spjd VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 236168404Spjd 237168404Spjd umem_free(packed, nvsize); 238168404Spjd 239168404Spjd dump_nvlist(nv, 8); 240168404Spjd 241168404Spjd nvlist_free(nv); 242168404Spjd} 243168404Spjd 244248571Smm/* ARGSUSED */ 245219089Spjdstatic void 246248571Smmdump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 247248571Smm{ 248248571Smm spa_history_phys_t *shp = data; 249248571Smm 250248571Smm if (shp == NULL) 251248571Smm return; 252248571Smm 253248571Smm (void) printf("\t\tpool_create_len = %llu\n", 254248571Smm (u_longlong_t)shp->sh_pool_create_len); 255248571Smm (void) printf("\t\tphys_max_off = %llu\n", 256248571Smm (u_longlong_t)shp->sh_phys_max_off); 257248571Smm (void) printf("\t\tbof = %llu\n", 258248571Smm (u_longlong_t)shp->sh_bof); 259248571Smm (void) printf("\t\teof = %llu\n", 260248571Smm (u_longlong_t)shp->sh_eof); 261248571Smm (void) printf("\t\trecords_lost = %llu\n", 262248571Smm (u_longlong_t)shp->sh_records_lost); 263248571Smm} 264248571Smm 265248571Smmstatic void 266325915Savgzdb_nicenum(uint64_t num, char *buf, size_t buflen) 267219089Spjd{ 268219089Spjd if (dump_opt['P']) 269325915Savg (void) snprintf(buf, buflen, "%llu", (longlong_t)num); 270219089Spjd else 271325915Savg nicenum(num, buf, sizeof (buf)); 272219089Spjd} 273219089Spjd 274249207Smmconst char histo_stars[] = "****************************************"; 275249207Smmconst int histo_width = sizeof (histo_stars) - 1; 276168404Spjd 277168404Spjdstatic void 278262093Savgdump_histogram(const uint64_t *histo, int size, int offset) 279168404Spjd{ 280168404Spjd int i; 281249207Smm int minidx = size - 1; 282168404Spjd int maxidx = 0; 283168404Spjd uint64_t max = 0; 284168404Spjd 285249207Smm for (i = 0; i < size; i++) { 286168404Spjd if (histo[i] > max) 287168404Spjd max = histo[i]; 288168404Spjd if (histo[i] > 0 && i > maxidx) 289168404Spjd maxidx = i; 290168404Spjd if (histo[i] > 0 && i < minidx) 291168404Spjd minidx = i; 292168404Spjd } 293168404Spjd 294249207Smm if (max < histo_width) 295249207Smm max = histo_width; 296168404Spjd 297249207Smm for (i = minidx; i <= maxidx; i++) { 298249207Smm (void) printf("\t\t\t%3u: %6llu %s\n", 299262093Savg i + offset, (u_longlong_t)histo[i], 300249207Smm &histo_stars[(max - histo[i]) * histo_width / max]); 301249207Smm } 302168404Spjd} 303168404Spjd 304168404Spjdstatic void 305168404Spjddump_zap_stats(objset_t *os, uint64_t object) 306168404Spjd{ 307168404Spjd int error; 308168404Spjd zap_stats_t zs; 309168404Spjd 310168404Spjd error = zap_get_stats(os, object, &zs); 311168404Spjd if (error) 312168404Spjd return; 313168404Spjd 314168404Spjd if (zs.zs_ptrtbl_len == 0) { 315168404Spjd ASSERT(zs.zs_num_blocks == 1); 316168404Spjd (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 317168404Spjd (u_longlong_t)zs.zs_blocksize, 318168404Spjd (u_longlong_t)zs.zs_num_entries); 319168404Spjd return; 320168404Spjd } 321168404Spjd 322168404Spjd (void) printf("\tFat ZAP stats:\n"); 323168404Spjd 324168404Spjd (void) printf("\t\tPointer table:\n"); 325168404Spjd (void) printf("\t\t\t%llu elements\n", 326168404Spjd (u_longlong_t)zs.zs_ptrtbl_len); 327168404Spjd (void) printf("\t\t\tzt_blk: %llu\n", 328168404Spjd (u_longlong_t)zs.zs_ptrtbl_zt_blk); 329168404Spjd (void) printf("\t\t\tzt_numblks: %llu\n", 330168404Spjd (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 331168404Spjd (void) printf("\t\t\tzt_shift: %llu\n", 332168404Spjd (u_longlong_t)zs.zs_ptrtbl_zt_shift); 333168404Spjd (void) printf("\t\t\tzt_blks_copied: %llu\n", 334168404Spjd (u_longlong_t)zs.zs_ptrtbl_blks_copied); 335168404Spjd (void) printf("\t\t\tzt_nextblk: %llu\n", 336168404Spjd (u_longlong_t)zs.zs_ptrtbl_nextblk); 337168404Spjd 338168404Spjd (void) printf("\t\tZAP entries: %llu\n", 339168404Spjd (u_longlong_t)zs.zs_num_entries); 340168404Spjd (void) printf("\t\tLeaf blocks: %llu\n", 341168404Spjd (u_longlong_t)zs.zs_num_leafs); 342168404Spjd (void) printf("\t\tTotal blocks: %llu\n", 343168404Spjd (u_longlong_t)zs.zs_num_blocks); 344168404Spjd (void) printf("\t\tzap_block_type: 0x%llx\n", 345168404Spjd (u_longlong_t)zs.zs_block_type); 346168404Spjd (void) printf("\t\tzap_magic: 0x%llx\n", 347168404Spjd (u_longlong_t)zs.zs_magic); 348168404Spjd (void) printf("\t\tzap_salt: 0x%llx\n", 349168404Spjd (u_longlong_t)zs.zs_salt); 350168404Spjd 351168404Spjd (void) printf("\t\tLeafs with 2^n pointers:\n"); 352262093Savg dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0); 353168404Spjd 354168404Spjd (void) printf("\t\tBlocks with n*5 entries:\n"); 355262093Savg dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0); 356168404Spjd 357168404Spjd (void) printf("\t\tBlocks n/10 full:\n"); 358262093Savg dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0); 359168404Spjd 360168404Spjd (void) printf("\t\tEntries with n chunks:\n"); 361262093Savg dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0); 362168404Spjd 363168404Spjd (void) printf("\t\tBuckets with n entries:\n"); 364262093Savg dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0); 365168404Spjd} 366168404Spjd 367168404Spjd/*ARGSUSED*/ 368168404Spjdstatic void 369168404Spjddump_none(objset_t *os, uint64_t object, void *data, size_t size) 370168404Spjd{ 371168404Spjd} 372168404Spjd 373168404Spjd/*ARGSUSED*/ 374219089Spjdstatic void 375219089Spjddump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 376219089Spjd{ 377219089Spjd (void) printf("\tUNKNOWN OBJECT TYPE\n"); 378219089Spjd} 379219089Spjd 380219089Spjd/*ARGSUSED*/ 381168404Spjdvoid 382168404Spjddump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 383168404Spjd{ 384168404Spjd} 385168404Spjd 386168404Spjd/*ARGSUSED*/ 387168404Spjdstatic void 388168404Spjddump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 389168404Spjd{ 390168404Spjd} 391168404Spjd 392168404Spjd/*ARGSUSED*/ 393168404Spjdstatic void 394168404Spjddump_zap(objset_t *os, uint64_t object, void *data, size_t size) 395168404Spjd{ 396168404Spjd zap_cursor_t zc; 397168404Spjd zap_attribute_t attr; 398168404Spjd void *prop; 399168404Spjd int i; 400168404Spjd 401168404Spjd dump_zap_stats(os, object); 402168404Spjd (void) printf("\n"); 403168404Spjd 404168404Spjd for (zap_cursor_init(&zc, os, object); 405168404Spjd zap_cursor_retrieve(&zc, &attr) == 0; 406168404Spjd zap_cursor_advance(&zc)) { 407168404Spjd (void) printf("\t\t%s = ", attr.za_name); 408168404Spjd if (attr.za_num_integers == 0) { 409168404Spjd (void) printf("\n"); 410168404Spjd continue; 411168404Spjd } 412168404Spjd prop = umem_zalloc(attr.za_num_integers * 413168404Spjd attr.za_integer_length, UMEM_NOFAIL); 414168404Spjd (void) zap_lookup(os, object, attr.za_name, 415168404Spjd attr.za_integer_length, attr.za_num_integers, prop); 416168404Spjd if (attr.za_integer_length == 1) { 417168404Spjd (void) printf("%s", (char *)prop); 418168404Spjd } else { 419168404Spjd for (i = 0; i < attr.za_num_integers; i++) { 420168404Spjd switch (attr.za_integer_length) { 421168404Spjd case 2: 422168404Spjd (void) printf("%u ", 423168404Spjd ((uint16_t *)prop)[i]); 424168404Spjd break; 425168404Spjd case 4: 426168404Spjd (void) printf("%u ", 427168404Spjd ((uint32_t *)prop)[i]); 428168404Spjd break; 429168404Spjd case 8: 430168404Spjd (void) printf("%lld ", 431168404Spjd (u_longlong_t)((int64_t *)prop)[i]); 432168404Spjd break; 433168404Spjd } 434168404Spjd } 435168404Spjd } 436168404Spjd (void) printf("\n"); 437168404Spjd umem_free(prop, attr.za_num_integers * attr.za_integer_length); 438168404Spjd } 439168404Spjd zap_cursor_fini(&zc); 440168404Spjd} 441168404Spjd 442288559Smavstatic void 443288559Smavdump_bpobj(objset_t *os, uint64_t object, void *data, size_t size) 444288559Smav{ 445288559Smav bpobj_phys_t *bpop = data; 446288559Smav char bytes[32], comp[32], uncomp[32]; 447288559Smav 448325915Savg /* make sure the output won't get truncated */ 449325915Savg CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 450325915Savg CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ); 451325915Savg CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ); 452325915Savg 453288559Smav if (bpop == NULL) 454288559Smav return; 455288559Smav 456325915Savg zdb_nicenum(bpop->bpo_bytes, bytes, sizeof (bytes)); 457325915Savg zdb_nicenum(bpop->bpo_comp, comp, sizeof (comp)); 458325915Savg zdb_nicenum(bpop->bpo_uncomp, uncomp, sizeof (uncomp)); 459288559Smav 460288559Smav (void) printf("\t\tnum_blkptrs = %llu\n", 461288559Smav (u_longlong_t)bpop->bpo_num_blkptrs); 462288559Smav (void) printf("\t\tbytes = %s\n", bytes); 463288559Smav if (size >= BPOBJ_SIZE_V1) { 464288559Smav (void) printf("\t\tcomp = %s\n", comp); 465288559Smav (void) printf("\t\tuncomp = %s\n", uncomp); 466288559Smav } 467288559Smav if (size >= sizeof (*bpop)) { 468288559Smav (void) printf("\t\tsubobjs = %llu\n", 469288559Smav (u_longlong_t)bpop->bpo_subobjs); 470288559Smav (void) printf("\t\tnum_subobjs = %llu\n", 471288559Smav (u_longlong_t)bpop->bpo_num_subobjs); 472288559Smav } 473288559Smav 474288559Smav if (dump_opt['d'] < 5) 475288559Smav return; 476288559Smav 477288559Smav for (uint64_t i = 0; i < bpop->bpo_num_blkptrs; i++) { 478288559Smav char blkbuf[BP_SPRINTF_LEN]; 479288559Smav blkptr_t bp; 480288559Smav 481288559Smav int err = dmu_read(os, object, 482288559Smav i * sizeof (bp), sizeof (bp), &bp, 0); 483288559Smav if (err != 0) { 484288559Smav (void) printf("got error %u from dmu_read\n", err); 485288559Smav break; 486288559Smav } 487288559Smav snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), &bp); 488288559Smav (void) printf("\t%s\n", blkbuf); 489288559Smav } 490288559Smav} 491288559Smav 492288559Smav/* ARGSUSED */ 493288559Smavstatic void 494288559Smavdump_bpobj_subobjs(objset_t *os, uint64_t object, void *data, size_t size) 495288559Smav{ 496288559Smav dmu_object_info_t doi; 497288559Smav 498288559Smav VERIFY0(dmu_object_info(os, object, &doi)); 499288559Smav uint64_t *subobjs = kmem_alloc(doi.doi_max_offset, KM_SLEEP); 500288559Smav 501288559Smav int err = dmu_read(os, object, 0, doi.doi_max_offset, subobjs, 0); 502288559Smav if (err != 0) { 503288559Smav (void) printf("got error %u from dmu_read\n", err); 504288559Smav kmem_free(subobjs, doi.doi_max_offset); 505288559Smav return; 506288559Smav } 507288559Smav 508288559Smav int64_t last_nonzero = -1; 509288559Smav for (uint64_t i = 0; i < doi.doi_max_offset / 8; i++) { 510288559Smav if (subobjs[i] != 0) 511288559Smav last_nonzero = i; 512288559Smav } 513288559Smav 514288559Smav for (int64_t i = 0; i <= last_nonzero; i++) { 515288559Smav (void) printf("\t%llu\n", (longlong_t)subobjs[i]); 516288559Smav } 517288559Smav kmem_free(subobjs, doi.doi_max_offset); 518288559Smav} 519288559Smav 520185029Spjd/*ARGSUSED*/ 521168404Spjdstatic void 522219089Spjddump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 523219089Spjd{ 524219089Spjd dump_zap_stats(os, object); 525219089Spjd /* contents are printed elsewhere, properly decoded */ 526219089Spjd} 527219089Spjd 528219089Spjd/*ARGSUSED*/ 529219089Spjdstatic void 530219089Spjddump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 531219089Spjd{ 532219089Spjd zap_cursor_t zc; 533219089Spjd zap_attribute_t attr; 534219089Spjd 535219089Spjd dump_zap_stats(os, object); 536219089Spjd (void) printf("\n"); 537219089Spjd 538219089Spjd for (zap_cursor_init(&zc, os, object); 539219089Spjd zap_cursor_retrieve(&zc, &attr) == 0; 540219089Spjd zap_cursor_advance(&zc)) { 541219089Spjd (void) printf("\t\t%s = ", attr.za_name); 542219089Spjd if (attr.za_num_integers == 0) { 543219089Spjd (void) printf("\n"); 544219089Spjd continue; 545219089Spjd } 546219089Spjd (void) printf(" %llx : [%d:%d:%d]\n", 547219089Spjd (u_longlong_t)attr.za_first_integer, 548219089Spjd (int)ATTR_LENGTH(attr.za_first_integer), 549219089Spjd (int)ATTR_BSWAP(attr.za_first_integer), 550219089Spjd (int)ATTR_NUM(attr.za_first_integer)); 551219089Spjd } 552219089Spjd zap_cursor_fini(&zc); 553219089Spjd} 554219089Spjd 555219089Spjd/*ARGSUSED*/ 556219089Spjdstatic void 557219089Spjddump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 558219089Spjd{ 559219089Spjd zap_cursor_t zc; 560219089Spjd zap_attribute_t attr; 561219089Spjd uint16_t *layout_attrs; 562219089Spjd int i; 563219089Spjd 564219089Spjd dump_zap_stats(os, object); 565219089Spjd (void) printf("\n"); 566219089Spjd 567219089Spjd for (zap_cursor_init(&zc, os, object); 568219089Spjd zap_cursor_retrieve(&zc, &attr) == 0; 569219089Spjd zap_cursor_advance(&zc)) { 570219089Spjd (void) printf("\t\t%s = [", attr.za_name); 571219089Spjd if (attr.za_num_integers == 0) { 572219089Spjd (void) printf("\n"); 573219089Spjd continue; 574219089Spjd } 575219089Spjd 576219089Spjd VERIFY(attr.za_integer_length == 2); 577219089Spjd layout_attrs = umem_zalloc(attr.za_num_integers * 578219089Spjd attr.za_integer_length, UMEM_NOFAIL); 579219089Spjd 580219089Spjd VERIFY(zap_lookup(os, object, attr.za_name, 581219089Spjd attr.za_integer_length, 582219089Spjd attr.za_num_integers, layout_attrs) == 0); 583219089Spjd 584219089Spjd for (i = 0; i != attr.za_num_integers; i++) 585219089Spjd (void) printf(" %d ", (int)layout_attrs[i]); 586219089Spjd (void) printf("]\n"); 587219089Spjd umem_free(layout_attrs, 588219089Spjd attr.za_num_integers * attr.za_integer_length); 589219089Spjd } 590219089Spjd zap_cursor_fini(&zc); 591219089Spjd} 592219089Spjd 593219089Spjd/*ARGSUSED*/ 594219089Spjdstatic void 595185029Spjddump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 596185029Spjd{ 597185029Spjd zap_cursor_t zc; 598185029Spjd zap_attribute_t attr; 599185029Spjd const char *typenames[] = { 600185029Spjd /* 0 */ "not specified", 601185029Spjd /* 1 */ "FIFO", 602185029Spjd /* 2 */ "Character Device", 603185029Spjd /* 3 */ "3 (invalid)", 604185029Spjd /* 4 */ "Directory", 605185029Spjd /* 5 */ "5 (invalid)", 606185029Spjd /* 6 */ "Block Device", 607185029Spjd /* 7 */ "7 (invalid)", 608185029Spjd /* 8 */ "Regular File", 609185029Spjd /* 9 */ "9 (invalid)", 610185029Spjd /* 10 */ "Symbolic Link", 611185029Spjd /* 11 */ "11 (invalid)", 612185029Spjd /* 12 */ "Socket", 613185029Spjd /* 13 */ "Door", 614185029Spjd /* 14 */ "Event Port", 615185029Spjd /* 15 */ "15 (invalid)", 616185029Spjd }; 617185029Spjd 618185029Spjd dump_zap_stats(os, object); 619185029Spjd (void) printf("\n"); 620185029Spjd 621185029Spjd for (zap_cursor_init(&zc, os, object); 622185029Spjd zap_cursor_retrieve(&zc, &attr) == 0; 623185029Spjd zap_cursor_advance(&zc)) { 624185029Spjd (void) printf("\t\t%s = %lld (type: %s)\n", 625185029Spjd attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 626185029Spjd typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 627185029Spjd } 628185029Spjd zap_cursor_fini(&zc); 629185029Spjd} 630185029Spjd 631262093Savgint 632262093Savgget_dtl_refcount(vdev_t *vd) 633262093Savg{ 634262093Savg int refcount = 0; 635262093Savg 636262093Savg if (vd->vdev_ops->vdev_op_leaf) { 637262093Savg space_map_t *sm = vd->vdev_dtl_sm; 638262093Savg 639262093Savg if (sm != NULL && 640262093Savg sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 641262093Savg return (1); 642262093Savg return (0); 643262093Savg } 644262093Savg 645262093Savg for (int c = 0; c < vd->vdev_children; c++) 646262093Savg refcount += get_dtl_refcount(vd->vdev_child[c]); 647262093Savg return (refcount); 648262093Savg} 649262093Savg 650262093Savgint 651262093Savgget_metaslab_refcount(vdev_t *vd) 652262093Savg{ 653262093Savg int refcount = 0; 654262093Savg 655269773Sdelphij if (vd->vdev_top == vd && !vd->vdev_removing) { 656262093Savg for (int m = 0; m < vd->vdev_ms_count; m++) { 657262093Savg space_map_t *sm = vd->vdev_ms[m]->ms_sm; 658262093Savg 659262093Savg if (sm != NULL && 660262093Savg sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 661262093Savg refcount++; 662262093Savg } 663262093Savg } 664262093Savg for (int c = 0; c < vd->vdev_children; c++) 665262093Savg refcount += get_metaslab_refcount(vd->vdev_child[c]); 666262093Savg 667262093Savg return (refcount); 668262093Savg} 669262093Savg 670262093Savgstatic int 671262093Savgverify_spacemap_refcounts(spa_t *spa) 672262093Savg{ 673263390Sdelphij uint64_t expected_refcount = 0; 674263390Sdelphij uint64_t actual_refcount; 675262093Savg 676263390Sdelphij (void) feature_get_refcount(spa, 677263390Sdelphij &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM], 678263390Sdelphij &expected_refcount); 679262093Savg actual_refcount = get_dtl_refcount(spa->spa_root_vdev); 680262093Savg actual_refcount += get_metaslab_refcount(spa->spa_root_vdev); 681262093Savg 682262093Savg if (expected_refcount != actual_refcount) { 683263390Sdelphij (void) printf("space map refcount mismatch: expected %lld != " 684263390Sdelphij "actual %lld\n", 685263390Sdelphij (longlong_t)expected_refcount, 686263390Sdelphij (longlong_t)actual_refcount); 687262093Savg return (2); 688262093Savg } 689262093Savg return (0); 690262093Savg} 691262093Savg 692185029Spjdstatic void 693262093Savgdump_spacemap(objset_t *os, space_map_t *sm) 694168404Spjd{ 695168404Spjd uint64_t alloc, offset, entry; 696168404Spjd char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 697168404Spjd "INVALID", "INVALID", "INVALID", "INVALID" }; 698168404Spjd 699262093Savg if (sm == NULL) 700168404Spjd return; 701168404Spjd 702168404Spjd /* 703168404Spjd * Print out the freelist entries in both encoded and decoded form. 704168404Spjd */ 705168404Spjd alloc = 0; 706262093Savg for (offset = 0; offset < space_map_length(sm); 707262093Savg offset += sizeof (entry)) { 708262093Savg uint8_t mapshift = sm->sm_shift; 709262093Savg 710262093Savg VERIFY0(dmu_read(os, space_map_object(sm), offset, 711209962Smm sizeof (entry), &entry, DMU_READ_PREFETCH)); 712168404Spjd if (SM_DEBUG_DECODE(entry)) { 713262093Savg 714219089Spjd (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 715168404Spjd (u_longlong_t)(offset / sizeof (entry)), 716168404Spjd ddata[SM_DEBUG_ACTION_DECODE(entry)], 717168404Spjd (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 718168404Spjd (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 719168404Spjd } else { 720219089Spjd (void) printf("\t [%6llu] %c range:" 721219089Spjd " %010llx-%010llx size: %06llx\n", 722168404Spjd (u_longlong_t)(offset / sizeof (entry)), 723168404Spjd SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 724168404Spjd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 725262093Savg mapshift) + sm->sm_start), 726168404Spjd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 727262093Savg mapshift) + sm->sm_start + 728262093Savg (SM_RUN_DECODE(entry) << mapshift)), 729168404Spjd (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 730168404Spjd if (SM_TYPE_DECODE(entry) == SM_ALLOC) 731168404Spjd alloc += SM_RUN_DECODE(entry) << mapshift; 732168404Spjd else 733168404Spjd alloc -= SM_RUN_DECODE(entry) << mapshift; 734168404Spjd } 735168404Spjd } 736262093Savg if (alloc != space_map_allocated(sm)) { 737168404Spjd (void) printf("space_map_object alloc (%llu) INCONSISTENT " 738168404Spjd "with space map summary (%llu)\n", 739262093Savg (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc); 740168404Spjd } 741168404Spjd} 742168404Spjd 743168404Spjdstatic void 744209962Smmdump_metaslab_stats(metaslab_t *msp) 745209962Smm{ 746219089Spjd char maxbuf[32]; 747262093Savg range_tree_t *rt = msp->ms_tree; 748262093Savg avl_tree_t *t = &msp->ms_size_tree; 749262093Savg int free_pct = range_tree_space(rt) * 100 / msp->ms_size; 750209962Smm 751325915Savg /* max sure nicenum has enough space */ 752325915Savg CTASSERT(sizeof (maxbuf) >= NN_NUMBUF_SZ); 753209962Smm 754325915Savg zdb_nicenum(metaslab_block_maxsize(msp), maxbuf, sizeof (maxbuf)); 755325915Savg 756219089Spjd (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 757209962Smm "segments", avl_numnodes(t), "maxsize", maxbuf, 758209962Smm "freepct", free_pct); 759262093Savg (void) printf("\tIn-memory histogram:\n"); 760262093Savg dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 761209962Smm} 762209962Smm 763209962Smmstatic void 764168404Spjddump_metaslab(metaslab_t *msp) 765168404Spjd{ 766168404Spjd vdev_t *vd = msp->ms_group->mg_vd; 767168404Spjd spa_t *spa = vd->vdev_spa; 768262093Savg space_map_t *sm = msp->ms_sm; 769219089Spjd char freebuf[32]; 770168404Spjd 771325915Savg zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf, 772325915Savg sizeof (freebuf)); 773168404Spjd 774168404Spjd (void) printf( 775219089Spjd "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 776262093Savg (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start, 777262093Savg (u_longlong_t)space_map_object(sm), freebuf); 778168404Spjd 779262093Savg if (dump_opt['m'] > 2 && !dump_opt['L']) { 780209962Smm mutex_enter(&msp->ms_lock); 781262093Savg metaslab_load_wait(msp); 782262093Savg if (!msp->ms_loaded) { 783262093Savg VERIFY0(metaslab_load(msp)); 784262093Savg range_tree_stat_verify(msp->ms_tree); 785262093Savg } 786209962Smm dump_metaslab_stats(msp); 787262093Savg metaslab_unload(msp); 788209962Smm mutex_exit(&msp->ms_lock); 789209962Smm } 790168404Spjd 791262093Savg if (dump_opt['m'] > 1 && sm != NULL && 792263390Sdelphij spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { 793262093Savg /* 794262093Savg * The space map histogram represents free space in chunks 795262093Savg * of sm_shift (i.e. bucket 0 refers to 2^sm_shift). 796262093Savg */ 797269773Sdelphij (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n", 798269773Sdelphij (u_longlong_t)msp->ms_fragmentation); 799262093Savg dump_histogram(sm->sm_phys->smp_histogram, 800269773Sdelphij SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift); 801262093Savg } 802209962Smm 803262093Savg if (dump_opt['d'] > 5 || dump_opt['m'] > 3) { 804262093Savg ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift)); 805262093Savg 806209962Smm mutex_enter(&msp->ms_lock); 807262093Savg dump_spacemap(spa->spa_meta_objset, msp->ms_sm); 808209962Smm mutex_exit(&msp->ms_lock); 809209962Smm } 810168404Spjd} 811168404Spjd 812168404Spjdstatic void 813219089Spjdprint_vdev_metaslab_header(vdev_t *vd) 814219089Spjd{ 815219089Spjd (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 816219089Spjd (u_longlong_t)vd->vdev_id, 817219089Spjd "metaslabs", (u_longlong_t)vd->vdev_ms_count, 818219089Spjd "offset", "spacemap", "free"); 819219089Spjd (void) printf("\t%15s %19s %15s %10s\n", 820219089Spjd "---------------", "-------------------", 821219089Spjd "---------------", "-------------"); 822219089Spjd} 823219089Spjd 824219089Spjdstatic void 825269773Sdelphijdump_metaslab_groups(spa_t *spa) 826269773Sdelphij{ 827269773Sdelphij vdev_t *rvd = spa->spa_root_vdev; 828269773Sdelphij metaslab_class_t *mc = spa_normal_class(spa); 829269773Sdelphij uint64_t fragmentation; 830269773Sdelphij 831269773Sdelphij metaslab_class_histogram_verify(mc); 832269773Sdelphij 833269773Sdelphij for (int c = 0; c < rvd->vdev_children; c++) { 834269773Sdelphij vdev_t *tvd = rvd->vdev_child[c]; 835269773Sdelphij metaslab_group_t *mg = tvd->vdev_mg; 836269773Sdelphij 837269773Sdelphij if (mg->mg_class != mc) 838269773Sdelphij continue; 839269773Sdelphij 840269773Sdelphij metaslab_group_histogram_verify(mg); 841269773Sdelphij mg->mg_fragmentation = metaslab_group_fragmentation(mg); 842269773Sdelphij 843269773Sdelphij (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t" 844269773Sdelphij "fragmentation", 845269773Sdelphij (u_longlong_t)tvd->vdev_id, 846269773Sdelphij (u_longlong_t)tvd->vdev_ms_count); 847269773Sdelphij if (mg->mg_fragmentation == ZFS_FRAG_INVALID) { 848269773Sdelphij (void) printf("%3s\n", "-"); 849269773Sdelphij } else { 850269773Sdelphij (void) printf("%3llu%%\n", 851269773Sdelphij (u_longlong_t)mg->mg_fragmentation); 852269773Sdelphij } 853269773Sdelphij dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 854269773Sdelphij } 855269773Sdelphij 856269773Sdelphij (void) printf("\tpool %s\tfragmentation", spa_name(spa)); 857269773Sdelphij fragmentation = metaslab_class_fragmentation(mc); 858269773Sdelphij if (fragmentation == ZFS_FRAG_INVALID) 859269773Sdelphij (void) printf("\t%3s\n", "-"); 860269773Sdelphij else 861269773Sdelphij (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation); 862269773Sdelphij dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 863269773Sdelphij} 864269773Sdelphij 865269773Sdelphijstatic void 866168404Spjddump_metaslabs(spa_t *spa) 867168404Spjd{ 868219089Spjd vdev_t *vd, *rvd = spa->spa_root_vdev; 869219089Spjd uint64_t m, c = 0, children = rvd->vdev_children; 870168404Spjd 871168404Spjd (void) printf("\nMetaslabs:\n"); 872168404Spjd 873219089Spjd if (!dump_opt['d'] && zopt_objects > 0) { 874219089Spjd c = zopt_object[0]; 875219089Spjd 876219089Spjd if (c >= children) 877219089Spjd (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 878219089Spjd 879219089Spjd if (zopt_objects > 1) { 880219089Spjd vd = rvd->vdev_child[c]; 881219089Spjd print_vdev_metaslab_header(vd); 882219089Spjd 883219089Spjd for (m = 1; m < zopt_objects; m++) { 884219089Spjd if (zopt_object[m] < vd->vdev_ms_count) 885219089Spjd dump_metaslab( 886219089Spjd vd->vdev_ms[zopt_object[m]]); 887219089Spjd else 888219089Spjd (void) fprintf(stderr, "bad metaslab " 889219089Spjd "number %llu\n", 890219089Spjd (u_longlong_t)zopt_object[m]); 891219089Spjd } 892219089Spjd (void) printf("\n"); 893219089Spjd return; 894219089Spjd } 895219089Spjd children = c + 1; 896219089Spjd } 897219089Spjd for (; c < children; c++) { 898168404Spjd vd = rvd->vdev_child[c]; 899219089Spjd print_vdev_metaslab_header(vd); 900168404Spjd 901168404Spjd for (m = 0; m < vd->vdev_ms_count; m++) 902168404Spjd dump_metaslab(vd->vdev_ms[m]); 903168404Spjd (void) printf("\n"); 904168404Spjd } 905168404Spjd} 906168404Spjd 907168404Spjdstatic void 908219089Spjddump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 909219089Spjd{ 910219089Spjd const ddt_phys_t *ddp = dde->dde_phys; 911219089Spjd const ddt_key_t *ddk = &dde->dde_key; 912219089Spjd char *types[4] = { "ditto", "single", "double", "triple" }; 913219089Spjd char blkbuf[BP_SPRINTF_LEN]; 914219089Spjd blkptr_t blk; 915219089Spjd 916219089Spjd for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 917219089Spjd if (ddp->ddp_phys_birth == 0) 918219089Spjd continue; 919219089Spjd ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 920263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk); 921219089Spjd (void) printf("index %llx refcnt %llu %s %s\n", 922219089Spjd (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 923219089Spjd types[p], blkbuf); 924219089Spjd } 925219089Spjd} 926219089Spjd 927219089Spjdstatic void 928219089Spjddump_dedup_ratio(const ddt_stat_t *dds) 929219089Spjd{ 930219089Spjd double rL, rP, rD, D, dedup, compress, copies; 931219089Spjd 932219089Spjd if (dds->dds_blocks == 0) 933219089Spjd return; 934219089Spjd 935219089Spjd rL = (double)dds->dds_ref_lsize; 936219089Spjd rP = (double)dds->dds_ref_psize; 937219089Spjd rD = (double)dds->dds_ref_dsize; 938219089Spjd D = (double)dds->dds_dsize; 939219089Spjd 940219089Spjd dedup = rD / D; 941219089Spjd compress = rL / rP; 942219089Spjd copies = rD / rP; 943219089Spjd 944219089Spjd (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 945219089Spjd "dedup * compress / copies = %.2f\n\n", 946219089Spjd dedup, compress, copies, dedup * compress / copies); 947219089Spjd} 948219089Spjd 949219089Spjdstatic void 950219089Spjddump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 951219089Spjd{ 952219089Spjd char name[DDT_NAMELEN]; 953219089Spjd ddt_entry_t dde; 954219089Spjd uint64_t walk = 0; 955219089Spjd dmu_object_info_t doi; 956219089Spjd uint64_t count, dspace, mspace; 957219089Spjd int error; 958219089Spjd 959219089Spjd error = ddt_object_info(ddt, type, class, &doi); 960219089Spjd 961219089Spjd if (error == ENOENT) 962219089Spjd return; 963219089Spjd ASSERT(error == 0); 964219089Spjd 965245264Sdelphij error = ddt_object_count(ddt, type, class, &count); 966245264Sdelphij ASSERT(error == 0); 967245264Sdelphij if (count == 0) 968219089Spjd return; 969219089Spjd 970219089Spjd dspace = doi.doi_physical_blocks_512 << 9; 971219089Spjd mspace = doi.doi_fill_count * doi.doi_data_block_size; 972219089Spjd 973219089Spjd ddt_object_name(ddt, type, class, name); 974219089Spjd 975219089Spjd (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 976219089Spjd name, 977219089Spjd (u_longlong_t)count, 978219089Spjd (u_longlong_t)(dspace / count), 979219089Spjd (u_longlong_t)(mspace / count)); 980219089Spjd 981219089Spjd if (dump_opt['D'] < 3) 982219089Spjd return; 983219089Spjd 984219089Spjd zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 985219089Spjd 986219089Spjd if (dump_opt['D'] < 4) 987219089Spjd return; 988219089Spjd 989219089Spjd if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 990219089Spjd return; 991219089Spjd 992219089Spjd (void) printf("%s contents:\n\n", name); 993219089Spjd 994219089Spjd while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 995219089Spjd dump_dde(ddt, &dde, walk); 996219089Spjd 997219089Spjd ASSERT(error == ENOENT); 998219089Spjd 999219089Spjd (void) printf("\n"); 1000219089Spjd} 1001219089Spjd 1002219089Spjdstatic void 1003219089Spjddump_all_ddts(spa_t *spa) 1004219089Spjd{ 1005219089Spjd ddt_histogram_t ddh_total = { 0 }; 1006219089Spjd ddt_stat_t dds_total = { 0 }; 1007219089Spjd 1008219089Spjd for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 1009219089Spjd ddt_t *ddt = spa->spa_ddt[c]; 1010219089Spjd for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 1011219089Spjd for (enum ddt_class class = 0; class < DDT_CLASSES; 1012219089Spjd class++) { 1013219089Spjd dump_ddt(ddt, type, class); 1014219089Spjd } 1015219089Spjd } 1016219089Spjd } 1017219089Spjd 1018219089Spjd ddt_get_dedup_stats(spa, &dds_total); 1019219089Spjd 1020219089Spjd if (dds_total.dds_blocks == 0) { 1021219089Spjd (void) printf("All DDTs are empty\n"); 1022219089Spjd return; 1023219089Spjd } 1024219089Spjd 1025219089Spjd (void) printf("\n"); 1026219089Spjd 1027219089Spjd if (dump_opt['D'] > 1) { 1028219089Spjd (void) printf("DDT histogram (aggregated over all DDTs):\n"); 1029219089Spjd ddt_get_dedup_histogram(spa, &ddh_total); 1030219089Spjd zpool_dump_ddt(&dds_total, &ddh_total); 1031219089Spjd } 1032219089Spjd 1033219089Spjd dump_dedup_ratio(&dds_total); 1034219089Spjd} 1035219089Spjd 1036219089Spjdstatic void 1037262093Savgdump_dtl_seg(void *arg, uint64_t start, uint64_t size) 1038209962Smm{ 1039262093Savg char *prefix = arg; 1040209962Smm 1041209962Smm (void) printf("%s [%llu,%llu) length %llu\n", 1042209962Smm prefix, 1043209962Smm (u_longlong_t)start, 1044209962Smm (u_longlong_t)(start + size), 1045209962Smm (u_longlong_t)(size)); 1046209962Smm} 1047209962Smm 1048209962Smmstatic void 1049168404Spjddump_dtl(vdev_t *vd, int indent) 1050168404Spjd{ 1051209962Smm spa_t *spa = vd->vdev_spa; 1052209962Smm boolean_t required; 1053209962Smm char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 1054209962Smm char prefix[256]; 1055168404Spjd 1056219089Spjd spa_vdev_state_enter(spa, SCL_NONE); 1057209962Smm required = vdev_dtl_required(vd); 1058209962Smm (void) spa_vdev_state_exit(spa, NULL, 0); 1059209962Smm 1060168404Spjd if (indent == 0) 1061168404Spjd (void) printf("\nDirty time logs:\n\n"); 1062168404Spjd 1063209962Smm (void) printf("\t%*s%s [%s]\n", indent, "", 1064185029Spjd vd->vdev_path ? vd->vdev_path : 1065209962Smm vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 1066209962Smm required ? "DTL-required" : "DTL-expendable"); 1067168404Spjd 1068209962Smm for (int t = 0; t < DTL_TYPES; t++) { 1069262093Savg range_tree_t *rt = vd->vdev_dtl[t]; 1070262093Savg if (range_tree_space(rt) == 0) 1071209962Smm continue; 1072209962Smm (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 1073209962Smm indent + 2, "", name[t]); 1074262093Savg mutex_enter(rt->rt_lock); 1075262093Savg range_tree_walk(rt, dump_dtl_seg, prefix); 1076262093Savg mutex_exit(rt->rt_lock); 1077209962Smm if (dump_opt['d'] > 5 && vd->vdev_children == 0) 1078262093Savg dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm); 1079168404Spjd } 1080168404Spjd 1081209962Smm for (int c = 0; c < vd->vdev_children; c++) 1082168404Spjd dump_dtl(vd->vdev_child[c], indent + 4); 1083168404Spjd} 1084168404Spjd 1085265039Sdelphij/* from spa_history.c: spa_history_create_obj() */ 1086265039Sdelphij#define HIS_BUF_LEN_DEF (128 << 10) 1087265039Sdelphij#define HIS_BUF_LEN_MAX (1 << 30) 1088265039Sdelphij 1089219089Spjdstatic void 1090219089Spjddump_history(spa_t *spa) 1091219089Spjd{ 1092219089Spjd nvlist_t **events = NULL; 1093265039Sdelphij char *buf = NULL; 1094265039Sdelphij uint64_t bufsize = HIS_BUF_LEN_DEF; 1095219089Spjd uint64_t resid, len, off = 0; 1096219089Spjd uint_t num = 0; 1097219089Spjd int error; 1098219089Spjd time_t tsec; 1099219089Spjd struct tm t; 1100219089Spjd char tbuf[30]; 1101219089Spjd char internalstr[MAXPATHLEN]; 1102219089Spjd 1103265039Sdelphij if ((buf = malloc(bufsize)) == NULL) 1104265039Sdelphij (void) fprintf(stderr, "Unable to read history: " 1105265039Sdelphij "out of memory\n"); 1106219089Spjd do { 1107265039Sdelphij len = bufsize; 1108219089Spjd 1109219089Spjd if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 1110219089Spjd (void) fprintf(stderr, "Unable to read history: " 1111219089Spjd "error %d\n", error); 1112219089Spjd return; 1113219089Spjd } 1114219089Spjd 1115219089Spjd if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 1116219089Spjd break; 1117265039Sdelphij off -= resid; 1118219089Spjd 1119265039Sdelphij /* 1120265039Sdelphij * If the history block is too big, double the buffer 1121265039Sdelphij * size and try again. 1122265039Sdelphij */ 1123265039Sdelphij if (resid == len) { 1124265039Sdelphij free(buf); 1125265039Sdelphij buf = NULL; 1126265039Sdelphij 1127265039Sdelphij bufsize <<= 1; 1128265039Sdelphij if ((bufsize >= HIS_BUF_LEN_MAX) || 1129265039Sdelphij ((buf = malloc(bufsize)) == NULL)) { 1130265039Sdelphij (void) fprintf(stderr, "Unable to read history: " 1131265039Sdelphij "out of memory\n"); 1132265039Sdelphij return; 1133265039Sdelphij } 1134265039Sdelphij } 1135219089Spjd } while (len != 0); 1136265039Sdelphij free(buf); 1137219089Spjd 1138219089Spjd (void) printf("\nHistory:\n"); 1139219089Spjd for (int i = 0; i < num; i++) { 1140219089Spjd uint64_t time, txg, ievent; 1141219089Spjd char *cmd, *intstr; 1142248571Smm boolean_t printed = B_FALSE; 1143219089Spjd 1144219089Spjd if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 1145219089Spjd &time) != 0) 1146248571Smm goto next; 1147219089Spjd if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 1148219089Spjd &cmd) != 0) { 1149219089Spjd if (nvlist_lookup_uint64(events[i], 1150219089Spjd ZPOOL_HIST_INT_EVENT, &ievent) != 0) 1151248571Smm goto next; 1152219089Spjd verify(nvlist_lookup_uint64(events[i], 1153219089Spjd ZPOOL_HIST_TXG, &txg) == 0); 1154219089Spjd verify(nvlist_lookup_string(events[i], 1155219089Spjd ZPOOL_HIST_INT_STR, &intstr) == 0); 1156248571Smm if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 1157248571Smm goto next; 1158219089Spjd 1159219089Spjd (void) snprintf(internalstr, 1160219089Spjd sizeof (internalstr), 1161219089Spjd "[internal %s txg:%lld] %s", 1162219089Spjd zfs_history_event_names[ievent], txg, 1163219089Spjd intstr); 1164219089Spjd cmd = internalstr; 1165219089Spjd } 1166219089Spjd tsec = time; 1167219089Spjd (void) localtime_r(&tsec, &t); 1168219089Spjd (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 1169219089Spjd (void) printf("%s %s\n", tbuf, cmd); 1170248571Smm printed = B_TRUE; 1171248571Smm 1172248571Smmnext: 1173248571Smm if (dump_opt['h'] > 1) { 1174248571Smm if (!printed) 1175248571Smm (void) printf("unrecognized record:\n"); 1176248571Smm dump_nvlist(events[i], 2); 1177248571Smm } 1178219089Spjd } 1179219089Spjd} 1180219089Spjd 1181168404Spjd/*ARGSUSED*/ 1182168404Spjdstatic void 1183168404Spjddump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 1184168404Spjd{ 1185168404Spjd} 1186168404Spjd 1187168404Spjdstatic uint64_t 1188268657Sdelphijblkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, 1189268657Sdelphij const zbookmark_phys_t *zb) 1190168404Spjd{ 1191219089Spjd if (dnp == NULL) { 1192219089Spjd ASSERT(zb->zb_level < 0); 1193219089Spjd if (zb->zb_object == 0) 1194219089Spjd return (zb->zb_blkid); 1195219089Spjd return (zb->zb_blkid * BP_GET_LSIZE(bp)); 1196219089Spjd } 1197168404Spjd 1198219089Spjd ASSERT(zb->zb_level >= 0); 1199219089Spjd 1200219089Spjd return ((zb->zb_blkid << 1201219089Spjd (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 1202168404Spjd dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 1203168404Spjd} 1204168404Spjd 1205168404Spjdstatic void 1206263397Sdelphijsnprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp) 1207168404Spjd{ 1208219089Spjd const dva_t *dva = bp->blk_dva; 1209219089Spjd int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 1210168404Spjd 1211249207Smm if (dump_opt['b'] >= 6) { 1212263397Sdelphij snprintf_blkptr(blkbuf, buflen, bp); 1213219089Spjd return; 1214219089Spjd } 1215219089Spjd 1216268649Sdelphij if (BP_IS_EMBEDDED(bp)) { 1217268649Sdelphij (void) sprintf(blkbuf, 1218268649Sdelphij "EMBEDDED et=%u %llxL/%llxP B=%llu", 1219268649Sdelphij (int)BPE_GET_ETYPE(bp), 1220268649Sdelphij (u_longlong_t)BPE_GET_LSIZE(bp), 1221268649Sdelphij (u_longlong_t)BPE_GET_PSIZE(bp), 1222268649Sdelphij (u_longlong_t)bp->blk_birth); 1223268649Sdelphij return; 1224268649Sdelphij } 1225268649Sdelphij 1226168404Spjd blkbuf[0] = '\0'; 1227219089Spjd for (int i = 0; i < ndvas; i++) 1228263397Sdelphij (void) snprintf(blkbuf + strlen(blkbuf), 1229263397Sdelphij buflen - strlen(blkbuf), "%llu:%llx:%llx ", 1230168404Spjd (u_longlong_t)DVA_GET_VDEV(&dva[i]), 1231168404Spjd (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 1232168404Spjd (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 1233168404Spjd 1234263397Sdelphij if (BP_IS_HOLE(bp)) { 1235263397Sdelphij (void) snprintf(blkbuf + strlen(blkbuf), 1236288598Smav buflen - strlen(blkbuf), 1237288598Smav "%llxL B=%llu", 1238288598Smav (u_longlong_t)BP_GET_LSIZE(bp), 1239263397Sdelphij (u_longlong_t)bp->blk_birth); 1240263397Sdelphij } else { 1241263397Sdelphij (void) snprintf(blkbuf + strlen(blkbuf), 1242263397Sdelphij buflen - strlen(blkbuf), 1243263397Sdelphij "%llxL/%llxP F=%llu B=%llu/%llu", 1244263397Sdelphij (u_longlong_t)BP_GET_LSIZE(bp), 1245263397Sdelphij (u_longlong_t)BP_GET_PSIZE(bp), 1246268649Sdelphij (u_longlong_t)BP_GET_FILL(bp), 1247263397Sdelphij (u_longlong_t)bp->blk_birth, 1248263397Sdelphij (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 1249263397Sdelphij } 1250168404Spjd} 1251168404Spjd 1252208047Smmstatic void 1253268657Sdelphijprint_indirect(blkptr_t *bp, const zbookmark_phys_t *zb, 1254208047Smm const dnode_phys_t *dnp) 1255168404Spjd{ 1256208047Smm char blkbuf[BP_SPRINTF_LEN]; 1257168404Spjd int l; 1258168404Spjd 1259268649Sdelphij if (!BP_IS_EMBEDDED(bp)) { 1260268649Sdelphij ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 1261268649Sdelphij ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 1262268649Sdelphij } 1263168404Spjd 1264219089Spjd (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 1265168404Spjd 1266208047Smm ASSERT(zb->zb_level >= 0); 1267168404Spjd 1268208047Smm for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 1269208047Smm if (l == zb->zb_level) { 1270208047Smm (void) printf("L%llx", (u_longlong_t)zb->zb_level); 1271208047Smm } else { 1272208047Smm (void) printf(" "); 1273168404Spjd } 1274168404Spjd } 1275168404Spjd 1276263397Sdelphij snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1277208047Smm (void) printf("%s\n", blkbuf); 1278208047Smm} 1279208047Smm 1280208047Smmstatic int 1281208047Smmvisit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1282268657Sdelphij blkptr_t *bp, const zbookmark_phys_t *zb) 1283208047Smm{ 1284219089Spjd int err = 0; 1285208047Smm 1286208047Smm if (bp->blk_birth == 0) 1287208047Smm return (0); 1288208047Smm 1289208047Smm print_indirect(bp, zb, dnp); 1290208047Smm 1291263397Sdelphij if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) { 1292277586Sdelphij arc_flags_t flags = ARC_FLAG_WAIT; 1293208047Smm int i; 1294208047Smm blkptr_t *cbp; 1295208047Smm int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1296208047Smm arc_buf_t *buf; 1297168404Spjd uint64_t fill = 0; 1298168404Spjd 1299246666Smm err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 1300208047Smm ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1301208047Smm if (err) 1302208047Smm return (err); 1303219089Spjd ASSERT(buf->b_data); 1304168404Spjd 1305208047Smm /* recursively visit blocks below this */ 1306208047Smm cbp = buf->b_data; 1307208047Smm for (i = 0; i < epb; i++, cbp++) { 1308268657Sdelphij zbookmark_phys_t czb; 1309168404Spjd 1310208047Smm SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1311208047Smm zb->zb_level - 1, 1312208047Smm zb->zb_blkid * epb + i); 1313208047Smm err = visit_indirect(spa, dnp, cbp, &czb); 1314208047Smm if (err) 1315208047Smm break; 1316268649Sdelphij fill += BP_GET_FILL(cbp); 1317168404Spjd } 1318209962Smm if (!err) 1319268649Sdelphij ASSERT3U(fill, ==, BP_GET_FILL(bp)); 1320307266Smav arc_buf_destroy(buf, &buf); 1321168404Spjd } 1322168404Spjd 1323208047Smm return (err); 1324168404Spjd} 1325168404Spjd 1326168404Spjd/*ARGSUSED*/ 1327168404Spjdstatic void 1328208047Smmdump_indirect(dnode_t *dn) 1329168404Spjd{ 1330208047Smm dnode_phys_t *dnp = dn->dn_phys; 1331208047Smm int j; 1332268657Sdelphij zbookmark_phys_t czb; 1333168404Spjd 1334168404Spjd (void) printf("Indirect blocks:\n"); 1335168404Spjd 1336219089Spjd SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1337208047Smm dn->dn_object, dnp->dn_nlevels - 1, 0); 1338208047Smm for (j = 0; j < dnp->dn_nblkptr; j++) { 1339208047Smm czb.zb_blkid = j; 1340219089Spjd (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1341208047Smm &dnp->dn_blkptr[j], &czb); 1342208047Smm } 1343168404Spjd 1344168404Spjd (void) printf("\n"); 1345168404Spjd} 1346168404Spjd 1347168404Spjd/*ARGSUSED*/ 1348168404Spjdstatic void 1349168404Spjddump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1350168404Spjd{ 1351168404Spjd dsl_dir_phys_t *dd = data; 1352168404Spjd time_t crtime; 1353219089Spjd char nice[32]; 1354168404Spjd 1355325915Savg /* make sure nicenum has enough space */ 1356325915Savg CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ); 1357325915Savg 1358168404Spjd if (dd == NULL) 1359168404Spjd return; 1360168404Spjd 1361185029Spjd ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1362168404Spjd 1363168404Spjd crtime = dd->dd_creation_time; 1364168404Spjd (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1365168404Spjd (void) printf("\t\thead_dataset_obj = %llu\n", 1366168404Spjd (u_longlong_t)dd->dd_head_dataset_obj); 1367168404Spjd (void) printf("\t\tparent_dir_obj = %llu\n", 1368168404Spjd (u_longlong_t)dd->dd_parent_obj); 1369185029Spjd (void) printf("\t\torigin_obj = %llu\n", 1370185029Spjd (u_longlong_t)dd->dd_origin_obj); 1371168404Spjd (void) printf("\t\tchild_dir_zapobj = %llu\n", 1372168404Spjd (u_longlong_t)dd->dd_child_dir_zapobj); 1373325915Savg zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice)); 1374185029Spjd (void) printf("\t\tused_bytes = %s\n", nice); 1375325915Savg zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice)); 1376185029Spjd (void) printf("\t\tcompressed_bytes = %s\n", nice); 1377325915Savg zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice)); 1378185029Spjd (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1379325915Savg zdb_nicenum(dd->dd_quota, nice, sizeof (nice)); 1380185029Spjd (void) printf("\t\tquota = %s\n", nice); 1381325915Savg zdb_nicenum(dd->dd_reserved, nice, sizeof (nice)); 1382185029Spjd (void) printf("\t\treserved = %s\n", nice); 1383168404Spjd (void) printf("\t\tprops_zapobj = %llu\n", 1384168404Spjd (u_longlong_t)dd->dd_props_zapobj); 1385185029Spjd (void) printf("\t\tdeleg_zapobj = %llu\n", 1386185029Spjd (u_longlong_t)dd->dd_deleg_zapobj); 1387185029Spjd (void) printf("\t\tflags = %llx\n", 1388185029Spjd (u_longlong_t)dd->dd_flags); 1389185029Spjd 1390185029Spjd#define DO(which) \ 1391325915Savg zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \ 1392325915Savg sizeof (nice)); \ 1393185029Spjd (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1394185029Spjd DO(HEAD); 1395185029Spjd DO(SNAP); 1396185029Spjd DO(CHILD); 1397185029Spjd DO(CHILD_RSRV); 1398185029Spjd DO(REFRSRV); 1399185029Spjd#undef DO 1400168404Spjd} 1401168404Spjd 1402168404Spjd/*ARGSUSED*/ 1403168404Spjdstatic void 1404168404Spjddump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1405168404Spjd{ 1406168404Spjd dsl_dataset_phys_t *ds = data; 1407168404Spjd time_t crtime; 1408219089Spjd char used[32], compressed[32], uncompressed[32], unique[32]; 1409168404Spjd char blkbuf[BP_SPRINTF_LEN]; 1410168404Spjd 1411325915Savg /* make sure nicenum has enough space */ 1412325915Savg CTASSERT(sizeof (used) >= NN_NUMBUF_SZ); 1413325915Savg CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ); 1414325915Savg CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ); 1415325915Savg CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ); 1416325915Savg 1417168404Spjd if (ds == NULL) 1418168404Spjd return; 1419168404Spjd 1420168404Spjd ASSERT(size == sizeof (*ds)); 1421168404Spjd crtime = ds->ds_creation_time; 1422325915Savg zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used)); 1423325915Savg zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed)); 1424325915Savg zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed, 1425325915Savg sizeof (uncompressed)); 1426325915Savg zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique)); 1427263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp); 1428168404Spjd 1429185029Spjd (void) printf("\t\tdir_obj = %llu\n", 1430168404Spjd (u_longlong_t)ds->ds_dir_obj); 1431168404Spjd (void) printf("\t\tprev_snap_obj = %llu\n", 1432168404Spjd (u_longlong_t)ds->ds_prev_snap_obj); 1433168404Spjd (void) printf("\t\tprev_snap_txg = %llu\n", 1434168404Spjd (u_longlong_t)ds->ds_prev_snap_txg); 1435168404Spjd (void) printf("\t\tnext_snap_obj = %llu\n", 1436168404Spjd (u_longlong_t)ds->ds_next_snap_obj); 1437168404Spjd (void) printf("\t\tsnapnames_zapobj = %llu\n", 1438168404Spjd (u_longlong_t)ds->ds_snapnames_zapobj); 1439168404Spjd (void) printf("\t\tnum_children = %llu\n", 1440168404Spjd (u_longlong_t)ds->ds_num_children); 1441219089Spjd (void) printf("\t\tuserrefs_obj = %llu\n", 1442219089Spjd (u_longlong_t)ds->ds_userrefs_obj); 1443168404Spjd (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1444168404Spjd (void) printf("\t\tcreation_txg = %llu\n", 1445168404Spjd (u_longlong_t)ds->ds_creation_txg); 1446168404Spjd (void) printf("\t\tdeadlist_obj = %llu\n", 1447168404Spjd (u_longlong_t)ds->ds_deadlist_obj); 1448168404Spjd (void) printf("\t\tused_bytes = %s\n", used); 1449168404Spjd (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1450168404Spjd (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1451168404Spjd (void) printf("\t\tunique = %s\n", unique); 1452168404Spjd (void) printf("\t\tfsid_guid = %llu\n", 1453168404Spjd (u_longlong_t)ds->ds_fsid_guid); 1454168404Spjd (void) printf("\t\tguid = %llu\n", 1455168404Spjd (u_longlong_t)ds->ds_guid); 1456168404Spjd (void) printf("\t\tflags = %llx\n", 1457168404Spjd (u_longlong_t)ds->ds_flags); 1458185029Spjd (void) printf("\t\tnext_clones_obj = %llu\n", 1459185029Spjd (u_longlong_t)ds->ds_next_clones_obj); 1460185029Spjd (void) printf("\t\tprops_obj = %llu\n", 1461185029Spjd (u_longlong_t)ds->ds_props_obj); 1462168404Spjd (void) printf("\t\tbp = %s\n", blkbuf); 1463168404Spjd} 1464168404Spjd 1465219089Spjd/* ARGSUSED */ 1466219089Spjdstatic int 1467236884Smmdump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1468236884Smm{ 1469236884Smm char blkbuf[BP_SPRINTF_LEN]; 1470236884Smm 1471236884Smm if (bp->blk_birth != 0) { 1472263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 1473236884Smm (void) printf("\t%s\n", blkbuf); 1474236884Smm } 1475236884Smm return (0); 1476236884Smm} 1477236884Smm 1478236884Smmstatic void 1479236884Smmdump_bptree(objset_t *os, uint64_t obj, char *name) 1480236884Smm{ 1481236884Smm char bytes[32]; 1482236884Smm bptree_phys_t *bt; 1483236884Smm dmu_buf_t *db; 1484236884Smm 1485325915Savg /* make sure nicenum has enough space */ 1486325915Savg CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 1487325915Savg 1488236884Smm if (dump_opt['d'] < 3) 1489236884Smm return; 1490236884Smm 1491236884Smm VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1492236884Smm bt = db->db_data; 1493325915Savg zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes)); 1494236884Smm (void) printf("\n %s: %llu datasets, %s\n", 1495236884Smm name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1496236884Smm dmu_buf_rele(db, FTAG); 1497236884Smm 1498236884Smm if (dump_opt['d'] < 5) 1499236884Smm return; 1500236884Smm 1501236884Smm (void) printf("\n"); 1502236884Smm 1503236884Smm (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1504236884Smm} 1505236884Smm 1506236884Smm/* ARGSUSED */ 1507236884Smmstatic int 1508219089Spjddump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1509219089Spjd{ 1510219089Spjd char blkbuf[BP_SPRINTF_LEN]; 1511219089Spjd 1512219089Spjd ASSERT(bp->blk_birth != 0); 1513263397Sdelphij snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1514219089Spjd (void) printf("\t%s\n", blkbuf); 1515219089Spjd return (0); 1516219089Spjd} 1517219089Spjd 1518168404Spjdstatic void 1519288559Smavdump_full_bpobj(bpobj_t *bpo, char *name, int indent) 1520168404Spjd{ 1521219089Spjd char bytes[32]; 1522219089Spjd char comp[32]; 1523219089Spjd char uncomp[32]; 1524168404Spjd 1525325915Savg /* make sure nicenum has enough space */ 1526325915Savg CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 1527325915Savg CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ); 1528325915Savg CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ); 1529325915Savg 1530168404Spjd if (dump_opt['d'] < 3) 1531168404Spjd return; 1532168404Spjd 1533325915Savg zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes)); 1534247852Smm if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 1535325915Savg zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp)); 1536325915Savg zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp)); 1537247852Smm (void) printf(" %*s: object %llu, %llu local blkptrs, " 1538288559Smav "%llu subobjs in object %llu, %s (%s/%s comp)\n", 1539247852Smm indent * 8, name, 1540247852Smm (u_longlong_t)bpo->bpo_object, 1541247852Smm (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1542219089Spjd (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1543288559Smav (u_longlong_t)bpo->bpo_phys->bpo_subobjs, 1544168404Spjd bytes, comp, uncomp); 1545247852Smm 1546247852Smm for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1547247852Smm uint64_t subobj; 1548247852Smm bpobj_t subbpo; 1549247852Smm int error; 1550247852Smm VERIFY0(dmu_read(bpo->bpo_os, 1551247852Smm bpo->bpo_phys->bpo_subobjs, 1552247852Smm i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1553247852Smm error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1554247852Smm if (error != 0) { 1555247852Smm (void) printf("ERROR %u while trying to open " 1556247852Smm "subobj id %llu\n", 1557247852Smm error, (u_longlong_t)subobj); 1558247852Smm continue; 1559247852Smm } 1560288559Smav dump_full_bpobj(&subbpo, "subobj", indent + 1); 1561248267Smm bpobj_close(&subbpo); 1562247852Smm } 1563168404Spjd } else { 1564247852Smm (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1565247852Smm indent * 8, name, 1566247852Smm (u_longlong_t)bpo->bpo_object, 1567247852Smm (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1568247852Smm bytes); 1569168404Spjd } 1570168404Spjd 1571219089Spjd if (dump_opt['d'] < 5) 1572168404Spjd return; 1573168404Spjd 1574168404Spjd 1575247852Smm if (indent == 0) { 1576247852Smm (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1577247852Smm (void) printf("\n"); 1578247852Smm } 1579219089Spjd} 1580168404Spjd 1581219089Spjdstatic void 1582219089Spjddump_deadlist(dsl_deadlist_t *dl) 1583219089Spjd{ 1584219089Spjd dsl_deadlist_entry_t *dle; 1585247852Smm uint64_t unused; 1586219089Spjd char bytes[32]; 1587219089Spjd char comp[32]; 1588219089Spjd char uncomp[32]; 1589219089Spjd 1590325915Savg /* make sure nicenum has enough space */ 1591325915Savg CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 1592325915Savg CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ); 1593325915Savg CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ); 1594325915Savg 1595219089Spjd if (dump_opt['d'] < 3) 1596219089Spjd return; 1597219089Spjd 1598273349Sdelphij if (dl->dl_oldfmt) { 1599288559Smav dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0); 1600273349Sdelphij return; 1601273349Sdelphij } 1602273349Sdelphij 1603325915Savg zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes)); 1604325915Savg zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp)); 1605325915Savg zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp)); 1606219089Spjd (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1607219089Spjd bytes, comp, uncomp); 1608219089Spjd 1609219089Spjd if (dump_opt['d'] < 4) 1610219089Spjd return; 1611219089Spjd 1612219089Spjd (void) printf("\n"); 1613219089Spjd 1614247852Smm /* force the tree to be loaded */ 1615247852Smm dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1616247852Smm 1617219089Spjd for (dle = avl_first(&dl->dl_tree); dle; 1618219089Spjd dle = AVL_NEXT(&dl->dl_tree, dle)) { 1619247852Smm if (dump_opt['d'] >= 5) { 1620247852Smm char buf[128]; 1621247852Smm (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ", 1622247852Smm (longlong_t)dle->dle_mintxg, 1623247852Smm (longlong_t)dle->dle_bpobj.bpo_object); 1624288559Smav dump_full_bpobj(&dle->dle_bpobj, buf, 0); 1625247852Smm } else { 1626247852Smm (void) printf("mintxg %llu -> obj %llu\n", 1627247852Smm (longlong_t)dle->dle_mintxg, 1628247852Smm (longlong_t)dle->dle_bpobj.bpo_object); 1629247852Smm 1630247852Smm } 1631168404Spjd } 1632168404Spjd} 1633168404Spjd 1634185029Spjdstatic avl_tree_t idx_tree; 1635185029Spjdstatic avl_tree_t domain_tree; 1636185029Spjdstatic boolean_t fuid_table_loaded; 1637219089Spjdstatic boolean_t sa_loaded; 1638219089Spjdsa_attr_type_t *sa_attr_table; 1639185029Spjd 1640185029Spjdstatic void 1641185029Spjdfuid_table_destroy() 1642185029Spjd{ 1643185029Spjd if (fuid_table_loaded) { 1644185029Spjd zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1645185029Spjd fuid_table_loaded = B_FALSE; 1646185029Spjd } 1647185029Spjd} 1648185029Spjd 1649185029Spjd/* 1650185029Spjd * print uid or gid information. 1651185029Spjd * For normal POSIX id just the id is printed in decimal format. 1652185029Spjd * For CIFS files with FUID the fuid is printed in hex followed by 1653247852Smm * the domain-rid string. 1654185029Spjd */ 1655185029Spjdstatic void 1656185029Spjdprint_idstr(uint64_t id, const char *id_type) 1657185029Spjd{ 1658185029Spjd if (FUID_INDEX(id)) { 1659185029Spjd char *domain; 1660185029Spjd 1661185029Spjd domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1662185029Spjd (void) printf("\t%s %llx [%s-%d]\n", id_type, 1663185029Spjd (u_longlong_t)id, domain, (int)FUID_RID(id)); 1664185029Spjd } else { 1665185029Spjd (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1666185029Spjd } 1667185029Spjd 1668185029Spjd} 1669185029Spjd 1670185029Spjdstatic void 1671219089Spjddump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1672185029Spjd{ 1673185029Spjd uint32_t uid_idx, gid_idx; 1674185029Spjd 1675219089Spjd uid_idx = FUID_INDEX(uid); 1676219089Spjd gid_idx = FUID_INDEX(gid); 1677185029Spjd 1678185029Spjd /* Load domain table, if not already loaded */ 1679185029Spjd if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1680185029Spjd uint64_t fuid_obj; 1681185029Spjd 1682185029Spjd /* first find the fuid object. It lives in the master node */ 1683185029Spjd VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1684185029Spjd 8, 1, &fuid_obj) == 0); 1685209962Smm zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1686185029Spjd (void) zfs_fuid_table_load(os, fuid_obj, 1687185029Spjd &idx_tree, &domain_tree); 1688185029Spjd fuid_table_loaded = B_TRUE; 1689185029Spjd } 1690185029Spjd 1691219089Spjd print_idstr(uid, "uid"); 1692219089Spjd print_idstr(gid, "gid"); 1693185029Spjd} 1694185029Spjd 1695168404Spjd/*ARGSUSED*/ 1696168404Spjdstatic void 1697168404Spjddump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1698168404Spjd{ 1699219089Spjd char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1700219089Spjd sa_handle_t *hdl; 1701219089Spjd uint64_t xattr, rdev, gen; 1702219089Spjd uint64_t uid, gid, mode, fsize, parent, links; 1703219089Spjd uint64_t pflags; 1704219089Spjd uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1705168404Spjd time_t z_crtime, z_atime, z_mtime, z_ctime; 1706219089Spjd sa_bulk_attr_t bulk[12]; 1707219089Spjd int idx = 0; 1708168404Spjd int error; 1709168404Spjd 1710219089Spjd if (!sa_loaded) { 1711219089Spjd uint64_t sa_attrs = 0; 1712219089Spjd uint64_t version; 1713168404Spjd 1714219089Spjd VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1715219089Spjd 8, 1, &version) == 0); 1716219089Spjd if (version >= ZPL_VERSION_SA) { 1717219089Spjd VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1718219089Spjd 8, 1, &sa_attrs) == 0); 1719219089Spjd } 1720219089Spjd if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1721219089Spjd ZPL_END, &sa_attr_table)) != 0) { 1722219089Spjd (void) printf("sa_setup failed errno %d, can't " 1723219089Spjd "display znode contents\n", error); 1724219089Spjd return; 1725219089Spjd } 1726219089Spjd sa_loaded = B_TRUE; 1727219089Spjd } 1728219089Spjd 1729219089Spjd if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1730219089Spjd (void) printf("Failed to get handle for SA znode\n"); 1731219089Spjd return; 1732219089Spjd } 1733219089Spjd 1734219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1735219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1736219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1737219089Spjd &links, 8); 1738219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1739219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1740219089Spjd &mode, 8); 1741219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1742219089Spjd NULL, &parent, 8); 1743219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1744219089Spjd &fsize, 8); 1745219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1746219089Spjd acctm, 16); 1747219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1748219089Spjd modtm, 16); 1749219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1750219089Spjd crtm, 16); 1751219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1752219089Spjd chgtm, 16); 1753219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1754219089Spjd &pflags, 8); 1755219089Spjd 1756219089Spjd if (sa_bulk_lookup(hdl, bulk, idx)) { 1757219089Spjd (void) sa_handle_destroy(hdl); 1758219089Spjd return; 1759219089Spjd } 1760219089Spjd 1761219089Spjd z_crtime = (time_t)crtm[0]; 1762219089Spjd z_atime = (time_t)acctm[0]; 1763219089Spjd z_mtime = (time_t)modtm[0]; 1764219089Spjd z_ctime = (time_t)chgtm[0]; 1765168404Spjd 1766319263Sasomers if (dump_opt['d'] > 4) { 1767319263Sasomers error = zfs_obj_to_path(os, object, path, sizeof (path)); 1768319263Sasomers if (error != 0) { 1769319263Sasomers (void) snprintf(path, sizeof (path), 1770319263Sasomers "\?\?\?<object#%llu>", (u_longlong_t)object); 1771319263Sasomers } 1772319263Sasomers (void) printf("\tpath %s\n", path); 1773319263Sasomers } 1774219089Spjd dump_uidgid(os, uid, gid); 1775168404Spjd (void) printf("\tatime %s", ctime(&z_atime)); 1776168404Spjd (void) printf("\tmtime %s", ctime(&z_mtime)); 1777168404Spjd (void) printf("\tctime %s", ctime(&z_ctime)); 1778168404Spjd (void) printf("\tcrtime %s", ctime(&z_crtime)); 1779219089Spjd (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1780219089Spjd (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1781219089Spjd (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1782219089Spjd (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1783219089Spjd (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1784219089Spjd (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1785219089Spjd if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1786219089Spjd sizeof (uint64_t)) == 0) 1787219089Spjd (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1788219089Spjd if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1789219089Spjd sizeof (uint64_t)) == 0) 1790219089Spjd (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1791219089Spjd sa_handle_destroy(hdl); 1792168404Spjd} 1793168404Spjd 1794168404Spjd/*ARGSUSED*/ 1795168404Spjdstatic void 1796168404Spjddump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1797168404Spjd{ 1798168404Spjd} 1799168404Spjd 1800168404Spjd/*ARGSUSED*/ 1801168404Spjdstatic void 1802168404Spjddump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1803168404Spjd{ 1804168404Spjd} 1805168404Spjd 1806219089Spjdstatic object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1807168404Spjd dump_none, /* unallocated */ 1808168404Spjd dump_zap, /* object directory */ 1809168404Spjd dump_uint64, /* object array */ 1810168404Spjd dump_none, /* packed nvlist */ 1811168404Spjd dump_packed_nvlist, /* packed nvlist size */ 1812288559Smav dump_none, /* bpobj */ 1813288559Smav dump_bpobj, /* bpobj header */ 1814168404Spjd dump_none, /* SPA space map header */ 1815168404Spjd dump_none, /* SPA space map */ 1816168404Spjd dump_none, /* ZIL intent log */ 1817168404Spjd dump_dnode, /* DMU dnode */ 1818168404Spjd dump_dmu_objset, /* DMU objset */ 1819168404Spjd dump_dsl_dir, /* DSL directory */ 1820168404Spjd dump_zap, /* DSL directory child map */ 1821168404Spjd dump_zap, /* DSL dataset snap map */ 1822168404Spjd dump_zap, /* DSL props */ 1823168404Spjd dump_dsl_dataset, /* DSL dataset */ 1824168404Spjd dump_znode, /* ZFS znode */ 1825185029Spjd dump_acl, /* ZFS V0 ACL */ 1826168404Spjd dump_uint8, /* ZFS plain file */ 1827185029Spjd dump_zpldir, /* ZFS directory */ 1828168404Spjd dump_zap, /* ZFS master node */ 1829168404Spjd dump_zap, /* ZFS delete queue */ 1830168404Spjd dump_uint8, /* zvol object */ 1831168404Spjd dump_zap, /* zvol prop */ 1832168404Spjd dump_uint8, /* other uint8[] */ 1833168404Spjd dump_uint64, /* other uint64[] */ 1834168404Spjd dump_zap, /* other ZAP */ 1835168404Spjd dump_zap, /* persistent error log */ 1836168404Spjd dump_uint8, /* SPA history */ 1837248571Smm dump_history_offsets, /* SPA history offsets */ 1838168404Spjd dump_zap, /* Pool properties */ 1839185029Spjd dump_zap, /* DSL permissions */ 1840185029Spjd dump_acl, /* ZFS ACL */ 1841185029Spjd dump_uint8, /* ZFS SYSACL */ 1842185029Spjd dump_none, /* FUID nvlist */ 1843185029Spjd dump_packed_nvlist, /* FUID nvlist size */ 1844185029Spjd dump_zap, /* DSL dataset next clones */ 1845185029Spjd dump_zap, /* DSL scrub queue */ 1846209962Smm dump_zap, /* ZFS user/group used */ 1847209962Smm dump_zap, /* ZFS user/group quota */ 1848219089Spjd dump_zap, /* snapshot refcount tags */ 1849219089Spjd dump_ddt_zap, /* DDT ZAP object */ 1850219089Spjd dump_zap, /* DDT statistics */ 1851219089Spjd dump_znode, /* SA object */ 1852219089Spjd dump_zap, /* SA Master Node */ 1853219089Spjd dump_sa_attrs, /* SA attribute registration */ 1854219089Spjd dump_sa_layouts, /* SA attribute layouts */ 1855219089Spjd dump_zap, /* DSL scrub translations */ 1856219089Spjd dump_none, /* fake dedup BP */ 1857219089Spjd dump_zap, /* deadlist */ 1858219089Spjd dump_none, /* deadlist hdr */ 1859219089Spjd dump_zap, /* dsl clones */ 1860288559Smav dump_bpobj_subobjs, /* bpobj subobjs */ 1861219089Spjd dump_unknown, /* Unknown type, must be last */ 1862168404Spjd}; 1863168404Spjd 1864168404Spjdstatic void 1865168404Spjddump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1866168404Spjd{ 1867168404Spjd dmu_buf_t *db = NULL; 1868168404Spjd dmu_object_info_t doi; 1869168404Spjd dnode_t *dn; 1870168404Spjd void *bonus = NULL; 1871168404Spjd size_t bsize = 0; 1872219089Spjd char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1873219089Spjd char bonus_size[32]; 1874168404Spjd char aux[50]; 1875168404Spjd int error; 1876168404Spjd 1877325915Savg /* make sure nicenum has enough space */ 1878325915Savg CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ); 1879325915Savg CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ); 1880325915Savg CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ); 1881325915Savg CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ); 1882325915Savg CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ); 1883325915Savg 1884168404Spjd if (*print_header) { 1885219089Spjd (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1886219089Spjd "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1887219089Spjd "%full", "type"); 1888168404Spjd *print_header = 0; 1889168404Spjd } 1890168404Spjd 1891168404Spjd if (object == 0) { 1892219089Spjd dn = DMU_META_DNODE(os); 1893168404Spjd } else { 1894168404Spjd error = dmu_bonus_hold(os, object, FTAG, &db); 1895168404Spjd if (error) 1896168404Spjd fatal("dmu_bonus_hold(%llu) failed, errno %u", 1897168404Spjd object, error); 1898168404Spjd bonus = db->db_data; 1899168404Spjd bsize = db->db_size; 1900219089Spjd dn = DB_DNODE((dmu_buf_impl_t *)db); 1901168404Spjd } 1902168404Spjd dmu_object_info_from_dnode(dn, &doi); 1903168404Spjd 1904325915Savg zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk)); 1905325915Savg zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk)); 1906325915Savg zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize)); 1907325915Savg zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize)); 1908325915Savg zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size)); 1909219089Spjd (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1910219089Spjd doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1911219089Spjd doi.doi_max_offset); 1912168404Spjd 1913168404Spjd aux[0] = '\0'; 1914168404Spjd 1915185029Spjd if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1916168404Spjd (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1917219089Spjd ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1918185029Spjd } 1919168404Spjd 1920185029Spjd if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1921168404Spjd (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1922219089Spjd ZDB_COMPRESS_NAME(doi.doi_compress)); 1923185029Spjd } 1924168404Spjd 1925219089Spjd (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1926219089Spjd (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1927219089Spjd asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1928168404Spjd 1929168404Spjd if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1930219089Spjd (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1931219089Spjd "", "", "", "", "", bonus_size, "bonus", 1932219089Spjd ZDB_OT_NAME(doi.doi_bonus_type)); 1933168404Spjd } 1934168404Spjd 1935168404Spjd if (verbosity >= 4) { 1936219089Spjd (void) printf("\tdnode flags: %s%s%s\n", 1937209962Smm (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1938209962Smm "USED_BYTES " : "", 1939209962Smm (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1940219089Spjd "USERUSED_ACCOUNTED " : "", 1941219089Spjd (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1942219089Spjd "SPILL_BLKPTR" : ""); 1943209962Smm (void) printf("\tdnode maxblkid: %llu\n", 1944209962Smm (longlong_t)dn->dn_phys->dn_maxblkid); 1945209962Smm 1946219089Spjd object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1947219089Spjd bonus, bsize); 1948219089Spjd object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1949168404Spjd *print_header = 1; 1950168404Spjd } 1951168404Spjd 1952168404Spjd if (verbosity >= 5) 1953208047Smm dump_indirect(dn); 1954168404Spjd 1955168404Spjd if (verbosity >= 5) { 1956168404Spjd /* 1957168404Spjd * Report the list of segments that comprise the object. 1958168404Spjd */ 1959168404Spjd uint64_t start = 0; 1960168404Spjd uint64_t end; 1961168404Spjd uint64_t blkfill = 1; 1962168404Spjd int minlvl = 1; 1963168404Spjd 1964168404Spjd if (dn->dn_type == DMU_OT_DNODE) { 1965168404Spjd minlvl = 0; 1966168404Spjd blkfill = DNODES_PER_BLOCK; 1967168404Spjd } 1968168404Spjd 1969168404Spjd for (;;) { 1970219089Spjd char segsize[32]; 1971325915Savg /* make sure nicenum has enough space */ 1972325915Savg CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ); 1973185029Spjd error = dnode_next_offset(dn, 1974185029Spjd 0, &start, minlvl, blkfill, 0); 1975168404Spjd if (error) 1976168404Spjd break; 1977168404Spjd end = start; 1978185029Spjd error = dnode_next_offset(dn, 1979185029Spjd DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1980325915Savg zdb_nicenum(end - start, segsize, sizeof (segsize)); 1981168404Spjd (void) printf("\t\tsegment [%016llx, %016llx)" 1982168404Spjd " size %5s\n", (u_longlong_t)start, 1983168404Spjd (u_longlong_t)end, segsize); 1984168404Spjd if (error) 1985168404Spjd break; 1986168404Spjd start = end; 1987168404Spjd } 1988168404Spjd } 1989168404Spjd 1990168404Spjd if (db != NULL) 1991168404Spjd dmu_buf_rele(db, FTAG); 1992168404Spjd} 1993168404Spjd 1994168404Spjdstatic char *objset_types[DMU_OST_NUMTYPES] = { 1995168404Spjd "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1996168404Spjd 1997168404Spjdstatic void 1998168404Spjddump_dir(objset_t *os) 1999168404Spjd{ 2000168404Spjd dmu_objset_stats_t dds; 2001168404Spjd uint64_t object, object_count; 2002168404Spjd uint64_t refdbytes, usedobjs, scratch; 2003219089Spjd char numbuf[32]; 2004209962Smm char blkbuf[BP_SPRINTF_LEN + 20]; 2005307122Smav char osname[ZFS_MAX_DATASET_NAME_LEN]; 2006168404Spjd char *type = "UNKNOWN"; 2007168404Spjd int verbosity = dump_opt['d']; 2008168404Spjd int print_header = 1; 2009168404Spjd int i, error; 2010168404Spjd 2011325915Savg /* make sure nicenum has enough space */ 2012325915Savg CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ); 2013325915Savg 2014248571Smm dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 2015168404Spjd dmu_objset_fast_stat(os, &dds); 2016248571Smm dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 2017168404Spjd 2018168404Spjd if (dds.dds_type < DMU_OST_NUMTYPES) 2019168404Spjd type = objset_types[dds.dds_type]; 2020168404Spjd 2021168404Spjd if (dds.dds_type == DMU_OST_META) { 2022168404Spjd dds.dds_creation_txg = TXG_INITIAL; 2023268649Sdelphij usedobjs = BP_GET_FILL(os->os_rootbp); 2024277585Sdelphij refdbytes = dsl_dir_phys(os->os_spa->spa_dsl_pool->dp_mos_dir)-> 2025277585Sdelphij dd_used_bytes; 2026168404Spjd } else { 2027168404Spjd dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 2028168404Spjd } 2029168404Spjd 2030268649Sdelphij ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp)); 2031168404Spjd 2032325915Savg zdb_nicenum(refdbytes, numbuf, sizeof (numbuf)); 2033168404Spjd 2034168404Spjd if (verbosity >= 4) { 2035263397Sdelphij (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp "); 2036263397Sdelphij (void) snprintf_blkptr(blkbuf + strlen(blkbuf), 2037263397Sdelphij sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp); 2038168404Spjd } else { 2039168404Spjd blkbuf[0] = '\0'; 2040168404Spjd } 2041168404Spjd 2042168404Spjd dmu_objset_name(os, osname); 2043168404Spjd 2044168404Spjd (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 2045168404Spjd "%s, %llu objects%s\n", 2046168404Spjd osname, type, (u_longlong_t)dmu_objset_id(os), 2047168404Spjd (u_longlong_t)dds.dds_creation_txg, 2048168404Spjd numbuf, (u_longlong_t)usedobjs, blkbuf); 2049168404Spjd 2050219089Spjd if (zopt_objects != 0) { 2051219089Spjd for (i = 0; i < zopt_objects; i++) 2052219089Spjd dump_object(os, zopt_object[i], verbosity, 2053219089Spjd &print_header); 2054219089Spjd (void) printf("\n"); 2055219089Spjd return; 2056219089Spjd } 2057168404Spjd 2058219089Spjd if (dump_opt['i'] != 0 || verbosity >= 2) 2059219089Spjd dump_intent_log(dmu_objset_zil(os)); 2060219089Spjd 2061168404Spjd if (dmu_objset_ds(os) != NULL) 2062219089Spjd dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 2063168404Spjd 2064168404Spjd if (verbosity < 2) 2065168404Spjd return; 2066168404Spjd 2067263397Sdelphij if (BP_IS_HOLE(os->os_rootbp)) 2068185029Spjd return; 2069185029Spjd 2070168404Spjd dump_object(os, 0, verbosity, &print_header); 2071209962Smm object_count = 0; 2072219089Spjd if (DMU_USERUSED_DNODE(os) != NULL && 2073219089Spjd DMU_USERUSED_DNODE(os)->dn_type != 0) { 2074209962Smm dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 2075209962Smm dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 2076209962Smm } 2077168404Spjd 2078168404Spjd object = 0; 2079168404Spjd while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 2080168404Spjd dump_object(os, object, verbosity, &print_header); 2081168404Spjd object_count++; 2082168404Spjd } 2083168404Spjd 2084168404Spjd ASSERT3U(object_count, ==, usedobjs); 2085168404Spjd 2086168404Spjd (void) printf("\n"); 2087168404Spjd 2088209962Smm if (error != ESRCH) { 2089209962Smm (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 2090209962Smm abort(); 2091209962Smm } 2092168404Spjd} 2093168404Spjd 2094168404Spjdstatic void 2095219089Spjddump_uberblock(uberblock_t *ub, const char *header, const char *footer) 2096168404Spjd{ 2097168404Spjd time_t timestamp = ub->ub_timestamp; 2098168404Spjd 2099219089Spjd (void) printf(header ? header : ""); 2100168404Spjd (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 2101168404Spjd (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 2102168404Spjd (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 2103168404Spjd (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 2104168404Spjd (void) printf("\ttimestamp = %llu UTC = %s", 2105168404Spjd (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 2106168404Spjd if (dump_opt['u'] >= 3) { 2107168404Spjd char blkbuf[BP_SPRINTF_LEN]; 2108263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp); 2109168404Spjd (void) printf("\trootbp = %s\n", blkbuf); 2110168404Spjd } 2111219089Spjd (void) printf(footer ? footer : ""); 2112168404Spjd} 2113168404Spjd 2114168404Spjdstatic void 2115219089Spjddump_config(spa_t *spa) 2116168404Spjd{ 2117219089Spjd dmu_buf_t *db; 2118219089Spjd size_t nvsize = 0; 2119219089Spjd int error = 0; 2120168404Spjd 2121219089Spjd 2122219089Spjd error = dmu_bonus_hold(spa->spa_meta_objset, 2123219089Spjd spa->spa_config_object, FTAG, &db); 2124219089Spjd 2125219089Spjd if (error == 0) { 2126219089Spjd nvsize = *(uint64_t *)db->db_data; 2127219089Spjd dmu_buf_rele(db, FTAG); 2128219089Spjd 2129219089Spjd (void) printf("\nMOS Configuration:\n"); 2130219089Spjd dump_packed_nvlist(spa->spa_meta_objset, 2131219089Spjd spa->spa_config_object, (void *)&nvsize, 1); 2132219089Spjd } else { 2133219089Spjd (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 2134219089Spjd (u_longlong_t)spa->spa_config_object, error); 2135168404Spjd } 2136168404Spjd} 2137168404Spjd 2138168404Spjdstatic void 2139185029Spjddump_cachefile(const char *cachefile) 2140185029Spjd{ 2141185029Spjd int fd; 2142185029Spjd struct stat64 statbuf; 2143185029Spjd char *buf; 2144185029Spjd nvlist_t *config; 2145185029Spjd 2146185029Spjd if ((fd = open64(cachefile, O_RDONLY)) < 0) { 2147185029Spjd (void) printf("cannot open '%s': %s\n", cachefile, 2148185029Spjd strerror(errno)); 2149185029Spjd exit(1); 2150185029Spjd } 2151185029Spjd 2152185029Spjd if (fstat64(fd, &statbuf) != 0) { 2153185029Spjd (void) printf("failed to stat '%s': %s\n", cachefile, 2154185029Spjd strerror(errno)); 2155185029Spjd exit(1); 2156185029Spjd } 2157185029Spjd 2158185029Spjd if ((buf = malloc(statbuf.st_size)) == NULL) { 2159185029Spjd (void) fprintf(stderr, "failed to allocate %llu bytes\n", 2160185029Spjd (u_longlong_t)statbuf.st_size); 2161185029Spjd exit(1); 2162185029Spjd } 2163185029Spjd 2164185029Spjd if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 2165185029Spjd (void) fprintf(stderr, "failed to read %llu bytes\n", 2166185029Spjd (u_longlong_t)statbuf.st_size); 2167185029Spjd exit(1); 2168185029Spjd } 2169185029Spjd 2170185029Spjd (void) close(fd); 2171185029Spjd 2172185029Spjd if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 2173185029Spjd (void) fprintf(stderr, "failed to unpack nvlist\n"); 2174185029Spjd exit(1); 2175185029Spjd } 2176185029Spjd 2177185029Spjd free(buf); 2178185029Spjd 2179185029Spjd dump_nvlist(config, 0); 2180185029Spjd 2181185029Spjd nvlist_free(config); 2182185029Spjd} 2183185029Spjd 2184219089Spjd#define ZDB_MAX_UB_HEADER_SIZE 32 2185219089Spjd 2186185029Spjdstatic void 2187219089Spjddump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 2188219089Spjd{ 2189219089Spjd vdev_t vd; 2190219089Spjd vdev_t *vdp = &vd; 2191219089Spjd char header[ZDB_MAX_UB_HEADER_SIZE]; 2192219089Spjd 2193219089Spjd vd.vdev_ashift = ashift; 2194219089Spjd vdp->vdev_top = vdp; 2195219089Spjd 2196219089Spjd for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 2197219089Spjd uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 2198219089Spjd uberblock_t *ub = (void *)((char *)lbl + uoff); 2199219089Spjd 2200219089Spjd if (uberblock_verify(ub)) 2201219089Spjd continue; 2202219089Spjd (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 2203219089Spjd "Uberblock[%d]\n", i); 2204219089Spjd dump_uberblock(ub, header, ""); 2205219089Spjd } 2206219089Spjd} 2207219089Spjd 2208326336Sasomersstatic int 2209168404Spjddump_label(const char *dev) 2210168404Spjd{ 2211168404Spjd int fd; 2212168404Spjd vdev_label_t label; 2213326336Sasomers char path[MAXPATHLEN]; 2214326336Sasomers char *buf = label.vl_vdev_phys.vp_nvlist; 2215168404Spjd size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 2216168404Spjd struct stat64 statbuf; 2217219089Spjd uint64_t psize, ashift; 2218326336Sasomers boolean_t label_found = B_FALSE; 2219168404Spjd 2220326336Sasomers (void) strlcpy(path, dev, sizeof (path)); 2221326336Sasomers if (dev[0] == '/') { 2222326336Sasomers if (strncmp(dev, ZFS_DISK_ROOTD, 2223326336Sasomers strlen(ZFS_DISK_ROOTD)) == 0) { 2224326336Sasomers (void) snprintf(path, sizeof (path), "%s%s", 2225326336Sasomers ZFS_RDISK_ROOTD, dev + strlen(ZFS_DISK_ROOTD)); 2226326336Sasomers } 2227326336Sasomers } else if (stat64(path, &statbuf) != 0) { 2228326336Sasomers char *s; 2229219089Spjd 2230326336Sasomers (void) snprintf(path, sizeof (path), "%s%s", ZFS_RDISK_ROOTD, 2231326336Sasomers dev); 2232326336Sasomers if ((s = strrchr(dev, 's')) == NULL || !isdigit(*(s + 1))) 2233326336Sasomers (void) strlcat(path, "s0", sizeof (path)); 2234168404Spjd } 2235168404Spjd 2236326336Sasomers if (stat64(path, &statbuf) != 0) { 2237219089Spjd (void) printf("failed to stat '%s': %s\n", path, 2238168404Spjd strerror(errno)); 2239168404Spjd exit(1); 2240168404Spjd } 2241168404Spjd 2242219089Spjd if (S_ISBLK(statbuf.st_mode)) { 2243219089Spjd (void) printf("cannot use '%s': character device required\n", 2244219089Spjd path); 2245219089Spjd exit(1); 2246196928Spjd } 2247196928Spjd 2248326336Sasomers if ((fd = open64(path, O_RDONLY)) < 0) { 2249326336Sasomers (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 2250326336Sasomers exit(1); 2251326336Sasomers } 2252326336Sasomers 2253185029Spjd psize = statbuf.st_size; 2254168404Spjd psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 2255168404Spjd 2256219089Spjd for (int l = 0; l < VDEV_LABELS; l++) { 2257168404Spjd nvlist_t *config = NULL; 2258168404Spjd 2259326336Sasomers if (!dump_opt['q']) { 2260326336Sasomers (void) printf("------------------------------------\n"); 2261326336Sasomers (void) printf("LABEL %d\n", l); 2262326336Sasomers (void) printf("------------------------------------\n"); 2263326336Sasomers } 2264168404Spjd 2265168404Spjd if (pread64(fd, &label, sizeof (label), 2266168404Spjd vdev_label_offset(psize, l, 0)) != sizeof (label)) { 2267326336Sasomers if (!dump_opt['q']) 2268326336Sasomers (void) printf("failed to read label %d\n", l); 2269168404Spjd continue; 2270168404Spjd } 2271168404Spjd 2272168404Spjd if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 2273326336Sasomers if (!dump_opt['q']) 2274326336Sasomers (void) printf("failed to unpack label %d\n", l); 2275219089Spjd ashift = SPA_MINBLOCKSHIFT; 2276219089Spjd } else { 2277219089Spjd nvlist_t *vdev_tree = NULL; 2278219089Spjd 2279326336Sasomers if (!dump_opt['q']) 2280326336Sasomers dump_nvlist(config, 4); 2281219089Spjd if ((nvlist_lookup_nvlist(config, 2282219089Spjd ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 2283219089Spjd (nvlist_lookup_uint64(vdev_tree, 2284219089Spjd ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 2285219089Spjd ashift = SPA_MINBLOCKSHIFT; 2286219089Spjd nvlist_free(config); 2287326336Sasomers label_found = B_TRUE; 2288168404Spjd } 2289219089Spjd if (dump_opt['u']) 2290219089Spjd dump_label_uberblocks(&label, ashift); 2291168404Spjd } 2292219089Spjd 2293219089Spjd (void) close(fd); 2294326336Sasomers 2295326336Sasomers return (label_found ? 0 : 2); 2296168404Spjd} 2297168404Spjd 2298288572Smavstatic uint64_t dataset_feature_count[SPA_FEATURES]; 2299276081Sdelphij 2300168404Spjd/*ARGSUSED*/ 2301168404Spjdstatic int 2302219089Spjddump_one_dir(const char *dsname, void *arg) 2303168404Spjd{ 2304168404Spjd int error; 2305168404Spjd objset_t *os; 2306168404Spjd 2307219089Spjd error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 2308168404Spjd if (error) { 2309219089Spjd (void) printf("Could not open %s, error %d\n", dsname, error); 2310168404Spjd return (0); 2311168404Spjd } 2312288572Smav 2313288572Smav for (spa_feature_t f = 0; f < SPA_FEATURES; f++) { 2314288572Smav if (!dmu_objset_ds(os)->ds_feature_inuse[f]) 2315288572Smav continue; 2316288572Smav ASSERT(spa_feature_table[f].fi_flags & 2317288572Smav ZFEATURE_FLAG_PER_DATASET); 2318288572Smav dataset_feature_count[f]++; 2319288572Smav } 2320288572Smav 2321168404Spjd dump_dir(os); 2322219089Spjd dmu_objset_disown(os, FTAG); 2323185029Spjd fuid_table_destroy(); 2324219089Spjd sa_loaded = B_FALSE; 2325168404Spjd return (0); 2326168404Spjd} 2327168404Spjd 2328168404Spjd/* 2329219089Spjd * Block statistics. 2330168404Spjd */ 2331276081Sdelphij#define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2) 2332168404Spjdtypedef struct zdb_blkstats { 2333249207Smm uint64_t zb_asize; 2334249207Smm uint64_t zb_lsize; 2335249207Smm uint64_t zb_psize; 2336249207Smm uint64_t zb_count; 2337268645Sdelphij uint64_t zb_gangs; 2338268645Sdelphij uint64_t zb_ditto_samevdev; 2339249207Smm uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE]; 2340168404Spjd} zdb_blkstats_t; 2341168404Spjd 2342219089Spjd/* 2343219089Spjd * Extended object types to report deferred frees and dedup auto-ditto blocks. 2344219089Spjd */ 2345219089Spjd#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2346219089Spjd#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2347236884Smm#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2348236884Smm#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2349168404Spjd 2350219089Spjdstatic char *zdb_ot_extname[] = { 2351219089Spjd "deferred free", 2352219089Spjd "dedup ditto", 2353236884Smm "other", 2354219089Spjd "Total", 2355219089Spjd}; 2356219089Spjd 2357208047Smm#define ZB_TOTAL DN_MAX_LEVELS 2358168404Spjd 2359168404Spjdtypedef struct zdb_cb { 2360219089Spjd zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 2361219089Spjd uint64_t zcb_dedup_asize; 2362219089Spjd uint64_t zcb_dedup_blocks; 2363268649Sdelphij uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES]; 2364268649Sdelphij uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES] 2365268649Sdelphij [BPE_PAYLOAD_SIZE]; 2366249207Smm uint64_t zcb_start; 2367249207Smm uint64_t zcb_lastprint; 2368249207Smm uint64_t zcb_totalasize; 2369168404Spjd uint64_t zcb_errors[256]; 2370168404Spjd int zcb_readfails; 2371168404Spjd int zcb_haderrors; 2372219089Spjd spa_t *zcb_spa; 2373168404Spjd} zdb_cb_t; 2374168404Spjd 2375168404Spjdstatic void 2376219089Spjdzdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2377219089Spjd dmu_object_type_t type) 2378168404Spjd{ 2379219089Spjd uint64_t refcnt = 0; 2380219089Spjd 2381219089Spjd ASSERT(type < ZDB_OT_TOTAL); 2382219089Spjd 2383219089Spjd if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2384219089Spjd return; 2385219089Spjd 2386185029Spjd for (int i = 0; i < 4; i++) { 2387168404Spjd int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2388219089Spjd int t = (i & 1) ? type : ZDB_OT_TOTAL; 2389268645Sdelphij int equal; 2390168404Spjd zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2391168404Spjd 2392168404Spjd zb->zb_asize += BP_GET_ASIZE(bp); 2393168404Spjd zb->zb_lsize += BP_GET_LSIZE(bp); 2394168404Spjd zb->zb_psize += BP_GET_PSIZE(bp); 2395168404Spjd zb->zb_count++; 2396268645Sdelphij 2397276081Sdelphij /* 2398276081Sdelphij * The histogram is only big enough to record blocks up to 2399276081Sdelphij * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last, 2400276081Sdelphij * "other", bucket. 2401276081Sdelphij */ 2402276081Sdelphij int idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT; 2403276081Sdelphij idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1); 2404276081Sdelphij zb->zb_psize_histogram[idx]++; 2405276081Sdelphij 2406268645Sdelphij zb->zb_gangs += BP_COUNT_GANG(bp); 2407268645Sdelphij 2408268645Sdelphij switch (BP_GET_NDVAS(bp)) { 2409268645Sdelphij case 2: 2410268645Sdelphij if (DVA_GET_VDEV(&bp->blk_dva[0]) == 2411268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[1])) 2412268645Sdelphij zb->zb_ditto_samevdev++; 2413268645Sdelphij break; 2414268645Sdelphij case 3: 2415268645Sdelphij equal = (DVA_GET_VDEV(&bp->blk_dva[0]) == 2416268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[1])) + 2417268645Sdelphij (DVA_GET_VDEV(&bp->blk_dva[0]) == 2418268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[2])) + 2419268645Sdelphij (DVA_GET_VDEV(&bp->blk_dva[1]) == 2420268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[2])); 2421268645Sdelphij if (equal != 0) 2422268645Sdelphij zb->zb_ditto_samevdev++; 2423268645Sdelphij break; 2424268645Sdelphij } 2425268645Sdelphij 2426168404Spjd } 2427168404Spjd 2428268649Sdelphij if (BP_IS_EMBEDDED(bp)) { 2429268649Sdelphij zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++; 2430268649Sdelphij zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)] 2431268649Sdelphij [BPE_GET_PSIZE(bp)]++; 2432268649Sdelphij return; 2433268649Sdelphij } 2434268649Sdelphij 2435219089Spjd if (dump_opt['L']) 2436219089Spjd return; 2437168404Spjd 2438219089Spjd if (BP_GET_DEDUP(bp)) { 2439219089Spjd ddt_t *ddt; 2440219089Spjd ddt_entry_t *dde; 2441168404Spjd 2442219089Spjd ddt = ddt_select(zcb->zcb_spa, bp); 2443219089Spjd ddt_enter(ddt); 2444219089Spjd dde = ddt_lookup(ddt, bp, B_FALSE); 2445168404Spjd 2446219089Spjd if (dde == NULL) { 2447219089Spjd refcnt = 0; 2448219089Spjd } else { 2449219089Spjd ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2450219089Spjd ddt_phys_decref(ddp); 2451219089Spjd refcnt = ddp->ddp_refcnt; 2452219089Spjd if (ddt_phys_total_refcnt(dde) == 0) 2453219089Spjd ddt_remove(ddt, dde); 2454185029Spjd } 2455219089Spjd ddt_exit(ddt); 2456185029Spjd } 2457168404Spjd 2458219089Spjd VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2459219089Spjd refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2460219089Spjd bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2461168404Spjd} 2462168404Spjd 2463263393Sdelphij/* ARGSUSED */ 2464263393Sdelphijstatic void 2465263393Sdelphijzdb_blkptr_done(zio_t *zio) 2466263393Sdelphij{ 2467263393Sdelphij spa_t *spa = zio->io_spa; 2468263393Sdelphij blkptr_t *bp = zio->io_bp; 2469263393Sdelphij int ioerr = zio->io_error; 2470263393Sdelphij zdb_cb_t *zcb = zio->io_private; 2471268657Sdelphij zbookmark_phys_t *zb = &zio->io_bookmark; 2472263393Sdelphij 2473263393Sdelphij zio_data_buf_free(zio->io_data, zio->io_size); 2474263393Sdelphij 2475263393Sdelphij mutex_enter(&spa->spa_scrub_lock); 2476263393Sdelphij spa->spa_scrub_inflight--; 2477263393Sdelphij cv_broadcast(&spa->spa_scrub_io_cv); 2478263393Sdelphij 2479263393Sdelphij if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 2480263393Sdelphij char blkbuf[BP_SPRINTF_LEN]; 2481263393Sdelphij 2482263393Sdelphij zcb->zcb_haderrors = 1; 2483263393Sdelphij zcb->zcb_errors[ioerr]++; 2484263393Sdelphij 2485263393Sdelphij if (dump_opt['b'] >= 2) 2486263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2487263393Sdelphij else 2488263393Sdelphij blkbuf[0] = '\0'; 2489263393Sdelphij 2490263393Sdelphij (void) printf("zdb_blkptr_cb: " 2491263393Sdelphij "Got error %d reading " 2492263393Sdelphij "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2493263393Sdelphij ioerr, 2494263393Sdelphij (u_longlong_t)zb->zb_objset, 2495263393Sdelphij (u_longlong_t)zb->zb_object, 2496263393Sdelphij (u_longlong_t)zb->zb_level, 2497263393Sdelphij (u_longlong_t)zb->zb_blkid, 2498263393Sdelphij blkbuf); 2499263393Sdelphij } 2500263393Sdelphij mutex_exit(&spa->spa_scrub_lock); 2501263393Sdelphij} 2502263393Sdelphij 2503263393Sdelphij/* ARGSUSED */ 2504168404Spjdstatic int 2505246666Smmzdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2506268657Sdelphij const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2507168404Spjd{ 2508168404Spjd zdb_cb_t *zcb = arg; 2509209962Smm dmu_object_type_t type; 2510219089Spjd boolean_t is_metadata; 2511168404Spjd 2512288571Smav if (bp == NULL) 2513288571Smav return (0); 2514288571Smav 2515263397Sdelphij if (dump_opt['b'] >= 5 && bp->blk_birth > 0) { 2516263397Sdelphij char blkbuf[BP_SPRINTF_LEN]; 2517263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2518263397Sdelphij (void) printf("objset %llu object %llu " 2519263397Sdelphij "level %lld offset 0x%llx %s\n", 2520263397Sdelphij (u_longlong_t)zb->zb_objset, 2521263397Sdelphij (u_longlong_t)zb->zb_object, 2522263397Sdelphij (longlong_t)zb->zb_level, 2523263397Sdelphij (u_longlong_t)blkid2offset(dnp, bp, zb), 2524263397Sdelphij blkbuf); 2525263397Sdelphij } 2526263397Sdelphij 2527263397Sdelphij if (BP_IS_HOLE(bp)) 2528208047Smm return (0); 2529185029Spjd 2530209962Smm type = BP_GET_TYPE(bp); 2531185029Spjd 2532236884Smm zdb_count_block(zcb, zilog, bp, 2533236884Smm (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2534209962Smm 2535236884Smm is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2536209962Smm 2537268649Sdelphij if (!BP_IS_EMBEDDED(bp) && 2538268649Sdelphij (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) { 2539219089Spjd size_t size = BP_GET_PSIZE(bp); 2540263393Sdelphij void *data = zio_data_buf_alloc(size); 2541219089Spjd int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2542208047Smm 2543219089Spjd /* If it's an intent log block, failure is expected. */ 2544219089Spjd if (zb->zb_level == ZB_ZIL_LEVEL) 2545219089Spjd flags |= ZIO_FLAG_SPECULATIVE; 2546219089Spjd 2547263393Sdelphij mutex_enter(&spa->spa_scrub_lock); 2548263393Sdelphij while (spa->spa_scrub_inflight > max_inflight) 2549263393Sdelphij cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 2550263393Sdelphij spa->spa_scrub_inflight++; 2551263393Sdelphij mutex_exit(&spa->spa_scrub_lock); 2552219089Spjd 2553263393Sdelphij zio_nowait(zio_read(NULL, spa, bp, data, size, 2554263393Sdelphij zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2555168404Spjd } 2556168404Spjd 2557168404Spjd zcb->zcb_readfails = 0; 2558168404Spjd 2559275488Sdelphij /* only call gethrtime() every 100 blocks */ 2560275488Sdelphij static int iters; 2561275488Sdelphij if (++iters > 100) 2562275488Sdelphij iters = 0; 2563275488Sdelphij else 2564275488Sdelphij return (0); 2565275488Sdelphij 2566275488Sdelphij if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) { 2567249207Smm uint64_t now = gethrtime(); 2568249207Smm char buf[10]; 2569249207Smm uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize; 2570249207Smm int kb_per_sec = 2571249207Smm 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000)); 2572249207Smm int sec_remaining = 2573249207Smm (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec; 2574249207Smm 2575325915Savg /* make sure nicenum has enough space */ 2576325915Savg CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ); 2577325915Savg 2578249207Smm zfs_nicenum(bytes, buf, sizeof (buf)); 2579249207Smm (void) fprintf(stderr, 2580249207Smm "\r%5s completed (%4dMB/s) " 2581249207Smm "estimated time remaining: %uhr %02umin %02usec ", 2582249207Smm buf, kb_per_sec / 1024, 2583249207Smm sec_remaining / 60 / 60, 2584249207Smm sec_remaining / 60 % 60, 2585249207Smm sec_remaining % 60); 2586249207Smm 2587249207Smm zcb->zcb_lastprint = now; 2588249207Smm } 2589249207Smm 2590168404Spjd return (0); 2591168404Spjd} 2592168404Spjd 2593219089Spjdstatic void 2594262093Savgzdb_leak(void *arg, uint64_t start, uint64_t size) 2595219089Spjd{ 2596262093Savg vdev_t *vd = arg; 2597219089Spjd 2598219089Spjd (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2599219089Spjd (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2600219089Spjd} 2601219089Spjd 2602262093Savgstatic metaslab_ops_t zdb_metaslab_ops = { 2603269773Sdelphij NULL /* alloc */ 2604219089Spjd}; 2605219089Spjd 2606219089Spjdstatic void 2607219089Spjdzdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2608219089Spjd{ 2609219089Spjd ddt_bookmark_t ddb = { 0 }; 2610219089Spjd ddt_entry_t dde; 2611219089Spjd int error; 2612219089Spjd 2613219089Spjd while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2614219089Spjd blkptr_t blk; 2615219089Spjd ddt_phys_t *ddp = dde.dde_phys; 2616219089Spjd 2617219089Spjd if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2618219089Spjd return; 2619219089Spjd 2620219089Spjd ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2621219089Spjd 2622219089Spjd for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2623219089Spjd if (ddp->ddp_phys_birth == 0) 2624219089Spjd continue; 2625219089Spjd ddt_bp_create(ddb.ddb_checksum, 2626219089Spjd &dde.dde_key, ddp, &blk); 2627219089Spjd if (p == DDT_PHYS_DITTO) { 2628219089Spjd zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2629219089Spjd } else { 2630219089Spjd zcb->zcb_dedup_asize += 2631219089Spjd BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2632219089Spjd zcb->zcb_dedup_blocks++; 2633219089Spjd } 2634219089Spjd } 2635219089Spjd if (!dump_opt['L']) { 2636219089Spjd ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2637219089Spjd ddt_enter(ddt); 2638219089Spjd VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2639219089Spjd ddt_exit(ddt); 2640219089Spjd } 2641219089Spjd } 2642219089Spjd 2643219089Spjd ASSERT(error == ENOENT); 2644219089Spjd} 2645219089Spjd 2646219089Spjdstatic void 2647219089Spjdzdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2648219089Spjd{ 2649219089Spjd zcb->zcb_spa = spa; 2650219089Spjd 2651219089Spjd if (!dump_opt['L']) { 2652219089Spjd vdev_t *rvd = spa->spa_root_vdev; 2653273508Sdelphij for (uint64_t c = 0; c < rvd->vdev_children; c++) { 2654219089Spjd vdev_t *vd = rvd->vdev_child[c]; 2655273508Sdelphij for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 2656219089Spjd metaslab_t *msp = vd->vdev_ms[m]; 2657219089Spjd mutex_enter(&msp->ms_lock); 2658262093Savg metaslab_unload(msp); 2659262093Savg 2660262093Savg /* 2661262093Savg * For leak detection, we overload the metaslab 2662262093Savg * ms_tree to contain allocated segments 2663262093Savg * instead of free segments. As a result, 2664262093Savg * we can't use the normal metaslab_load/unload 2665262093Savg * interfaces. 2666262093Savg */ 2667262093Savg if (msp->ms_sm != NULL) { 2668273508Sdelphij (void) fprintf(stderr, 2669273508Sdelphij "\rloading space map for " 2670273508Sdelphij "vdev %llu of %llu, " 2671273508Sdelphij "metaslab %llu of %llu ...", 2672273508Sdelphij (longlong_t)c, 2673273508Sdelphij (longlong_t)rvd->vdev_children, 2674273508Sdelphij (longlong_t)m, 2675273508Sdelphij (longlong_t)vd->vdev_ms_count); 2676273508Sdelphij 2677262093Savg msp->ms_ops = &zdb_metaslab_ops; 2678275488Sdelphij 2679275488Sdelphij /* 2680275488Sdelphij * We don't want to spend the CPU 2681275488Sdelphij * manipulating the size-ordered 2682275488Sdelphij * tree, so clear the range_tree 2683275488Sdelphij * ops. 2684275488Sdelphij */ 2685275488Sdelphij msp->ms_tree->rt_ops = NULL; 2686262093Savg VERIFY0(space_map_load(msp->ms_sm, 2687262093Savg msp->ms_tree, SM_ALLOC)); 2688262093Savg msp->ms_loaded = B_TRUE; 2689262093Savg } 2690219089Spjd mutex_exit(&msp->ms_lock); 2691219089Spjd } 2692219089Spjd } 2693273508Sdelphij (void) fprintf(stderr, "\n"); 2694219089Spjd } 2695219089Spjd 2696219089Spjd spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2697219089Spjd 2698219089Spjd zdb_ddt_leak_init(spa, zcb); 2699219089Spjd 2700219089Spjd spa_config_exit(spa, SCL_CONFIG, FTAG); 2701219089Spjd} 2702219089Spjd 2703219089Spjdstatic void 2704219089Spjdzdb_leak_fini(spa_t *spa) 2705219089Spjd{ 2706219089Spjd if (!dump_opt['L']) { 2707219089Spjd vdev_t *rvd = spa->spa_root_vdev; 2708219089Spjd for (int c = 0; c < rvd->vdev_children; c++) { 2709219089Spjd vdev_t *vd = rvd->vdev_child[c]; 2710219089Spjd for (int m = 0; m < vd->vdev_ms_count; m++) { 2711219089Spjd metaslab_t *msp = vd->vdev_ms[m]; 2712219089Spjd mutex_enter(&msp->ms_lock); 2713262093Savg 2714262093Savg /* 2715262093Savg * The ms_tree has been overloaded to 2716262093Savg * contain allocated segments. Now that we 2717262093Savg * finished traversing all blocks, any 2718262093Savg * block that remains in the ms_tree 2719262093Savg * represents an allocated block that we 2720262093Savg * did not claim during the traversal. 2721262093Savg * Claimed blocks would have been removed 2722262093Savg * from the ms_tree. 2723262093Savg */ 2724262093Savg range_tree_vacate(msp->ms_tree, zdb_leak, vd); 2725262093Savg msp->ms_loaded = B_FALSE; 2726262093Savg 2727219089Spjd mutex_exit(&msp->ms_lock); 2728219089Spjd } 2729219089Spjd } 2730219089Spjd } 2731219089Spjd} 2732219089Spjd 2733219089Spjd/* ARGSUSED */ 2734168404Spjdstatic int 2735219089Spjdcount_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2736219089Spjd{ 2737219089Spjd zdb_cb_t *zcb = arg; 2738219089Spjd 2739249207Smm if (dump_opt['b'] >= 5) { 2740219089Spjd char blkbuf[BP_SPRINTF_LEN]; 2741263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2742219089Spjd (void) printf("[%s] %s\n", 2743219089Spjd "deferred free", blkbuf); 2744219089Spjd } 2745219089Spjd zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2746219089Spjd return (0); 2747219089Spjd} 2748219089Spjd 2749219089Spjdstatic int 2750168404Spjddump_block_stats(spa_t *spa) 2751168404Spjd{ 2752168404Spjd zdb_cb_t zcb = { 0 }; 2753168404Spjd zdb_blkstats_t *zb, *tzb; 2754219089Spjd uint64_t norm_alloc, norm_space, total_alloc, total_found; 2755219089Spjd int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2756268649Sdelphij boolean_t leaks = B_FALSE; 2757168404Spjd 2758249207Smm (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n", 2759219089Spjd (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2760219089Spjd (dump_opt['c'] == 1) ? "metadata " : "", 2761219089Spjd dump_opt['c'] ? "checksums " : "", 2762219089Spjd (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2763219089Spjd !dump_opt['L'] ? "nothing leaked " : ""); 2764168404Spjd 2765168404Spjd /* 2766185029Spjd * Load all space maps as SM_ALLOC maps, then traverse the pool 2767185029Spjd * claiming each block we discover. If the pool is perfectly 2768185029Spjd * consistent, the space maps will be empty when we're done. 2769185029Spjd * Anything left over is a leak; any block we can't claim (because 2770185029Spjd * it's not part of any space map) is a double allocation, 2771185029Spjd * reference to a freed block, or an unclaimed log block. 2772168404Spjd */ 2773219089Spjd zdb_leak_init(spa, &zcb); 2774168404Spjd 2775168404Spjd /* 2776168404Spjd * If there's a deferred-free bplist, process that first. 2777168404Spjd */ 2778219089Spjd (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2779219089Spjd count_block_cb, &zcb, NULL); 2780226616Spjd if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2781226616Spjd (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2782226616Spjd count_block_cb, &zcb, NULL); 2783226616Spjd } 2784263390Sdelphij if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) { 2785236884Smm VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2786236884Smm spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2787236884Smm &zcb, NULL)); 2788236884Smm } 2789168404Spjd 2790219089Spjd if (dump_opt['c'] > 1) 2791219089Spjd flags |= TRAVERSE_PREFETCH_DATA; 2792168404Spjd 2793249207Smm zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa)); 2794249207Smm zcb.zcb_start = zcb.zcb_lastprint = gethrtime(); 2795219089Spjd zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2796168404Spjd 2797263393Sdelphij /* 2798263393Sdelphij * If we've traversed the data blocks then we need to wait for those 2799263393Sdelphij * I/Os to complete. We leverage "The Godfather" zio to wait on 2800263393Sdelphij * all async I/Os to complete. 2801263393Sdelphij */ 2802263393Sdelphij if (dump_opt['c']) { 2803273348Sdelphij for (int i = 0; i < max_ncpus; i++) { 2804273348Sdelphij (void) zio_wait(spa->spa_async_zio_root[i]); 2805273348Sdelphij spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL, 2806273348Sdelphij ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 2807273348Sdelphij ZIO_FLAG_GODFATHER); 2808273348Sdelphij } 2809263393Sdelphij } 2810263393Sdelphij 2811219089Spjd if (zcb.zcb_haderrors) { 2812168404Spjd (void) printf("\nError counts:\n\n"); 2813168404Spjd (void) printf("\t%5s %s\n", "errno", "count"); 2814219089Spjd for (int e = 0; e < 256; e++) { 2815168404Spjd if (zcb.zcb_errors[e] != 0) { 2816168404Spjd (void) printf("\t%5d %llu\n", 2817168404Spjd e, (u_longlong_t)zcb.zcb_errors[e]); 2818168404Spjd } 2819168404Spjd } 2820168404Spjd } 2821168404Spjd 2822168404Spjd /* 2823168404Spjd * Report any leaked segments. 2824168404Spjd */ 2825219089Spjd zdb_leak_fini(spa); 2826168404Spjd 2827219089Spjd tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2828185029Spjd 2829219089Spjd norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2830219089Spjd norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2831168404Spjd 2832219089Spjd total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2833219089Spjd total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2834185029Spjd 2835219089Spjd if (total_found == total_alloc) { 2836209962Smm if (!dump_opt['L']) 2837209962Smm (void) printf("\n\tNo leaks (block sum matches space" 2838209962Smm " maps exactly)\n"); 2839168404Spjd } else { 2840168404Spjd (void) printf("block traversal size %llu != alloc %llu " 2841209962Smm "(%s %lld)\n", 2842219089Spjd (u_longlong_t)total_found, 2843219089Spjd (u_longlong_t)total_alloc, 2844209962Smm (dump_opt['L']) ? "unreachable" : "leaked", 2845219089Spjd (longlong_t)(total_alloc - total_found)); 2846268649Sdelphij leaks = B_TRUE; 2847168404Spjd } 2848168404Spjd 2849168404Spjd if (tzb->zb_count == 0) 2850168404Spjd return (2); 2851168404Spjd 2852168404Spjd (void) printf("\n"); 2853168404Spjd (void) printf("\tbp count: %10llu\n", 2854168404Spjd (u_longlong_t)tzb->zb_count); 2855268645Sdelphij (void) printf("\tganged count: %10llu\n", 2856268645Sdelphij (longlong_t)tzb->zb_gangs); 2857219089Spjd (void) printf("\tbp logical: %10llu avg: %6llu\n", 2858168404Spjd (u_longlong_t)tzb->zb_lsize, 2859168404Spjd (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2860219089Spjd (void) printf("\tbp physical: %10llu avg:" 2861219089Spjd " %6llu compression: %6.2f\n", 2862168404Spjd (u_longlong_t)tzb->zb_psize, 2863168404Spjd (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2864168404Spjd (double)tzb->zb_lsize / tzb->zb_psize); 2865219089Spjd (void) printf("\tbp allocated: %10llu avg:" 2866219089Spjd " %6llu compression: %6.2f\n", 2867168404Spjd (u_longlong_t)tzb->zb_asize, 2868168404Spjd (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2869168404Spjd (double)tzb->zb_lsize / tzb->zb_asize); 2870219089Spjd (void) printf("\tbp deduped: %10llu ref>1:" 2871219089Spjd " %6llu deduplication: %6.2f\n", 2872219089Spjd (u_longlong_t)zcb.zcb_dedup_asize, 2873219089Spjd (u_longlong_t)zcb.zcb_dedup_blocks, 2874219089Spjd (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2875219089Spjd (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2876219089Spjd (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2877168404Spjd 2878268649Sdelphij for (bp_embedded_type_t i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) { 2879268649Sdelphij if (zcb.zcb_embedded_blocks[i] == 0) 2880268649Sdelphij continue; 2881268649Sdelphij (void) printf("\n"); 2882268649Sdelphij (void) printf("\tadditional, non-pointer bps of type %u: " 2883268649Sdelphij "%10llu\n", 2884268649Sdelphij i, (u_longlong_t)zcb.zcb_embedded_blocks[i]); 2885268649Sdelphij 2886268649Sdelphij if (dump_opt['b'] >= 3) { 2887268649Sdelphij (void) printf("\t number of (compressed) bytes: " 2888268649Sdelphij "number of bps\n"); 2889268649Sdelphij dump_histogram(zcb.zcb_embedded_histogram[i], 2890268649Sdelphij sizeof (zcb.zcb_embedded_histogram[i]) / 2891268649Sdelphij sizeof (zcb.zcb_embedded_histogram[i][0]), 0); 2892268649Sdelphij } 2893268649Sdelphij } 2894268649Sdelphij 2895268645Sdelphij if (tzb->zb_ditto_samevdev != 0) { 2896268645Sdelphij (void) printf("\tDittoed blocks on same vdev: %llu\n", 2897268645Sdelphij (longlong_t)tzb->zb_ditto_samevdev); 2898268645Sdelphij } 2899268645Sdelphij 2900168404Spjd if (dump_opt['b'] >= 2) { 2901168404Spjd int l, t, level; 2902168404Spjd (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2903168404Spjd "\t avg\t comp\t%%Total\tType\n"); 2904168404Spjd 2905219089Spjd for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2906219089Spjd char csize[32], lsize[32], psize[32], asize[32]; 2907268645Sdelphij char avg[32], gang[32]; 2908168404Spjd char *typename; 2909168404Spjd 2910325915Savg /* make sure nicenum has enough space */ 2911325915Savg CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ); 2912325915Savg CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ); 2913325915Savg CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ); 2914325915Savg CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ); 2915325915Savg CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ); 2916325915Savg CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ); 2917325915Savg 2918219089Spjd if (t < DMU_OT_NUMTYPES) 2919219089Spjd typename = dmu_ot[t].ot_name; 2920219089Spjd else 2921219089Spjd typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2922168404Spjd 2923168404Spjd if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2924168404Spjd (void) printf("%6s\t%5s\t%5s\t%5s" 2925168404Spjd "\t%5s\t%5s\t%6s\t%s\n", 2926168404Spjd "-", 2927168404Spjd "-", 2928168404Spjd "-", 2929168404Spjd "-", 2930168404Spjd "-", 2931168404Spjd "-", 2932168404Spjd "-", 2933168404Spjd typename); 2934168404Spjd continue; 2935168404Spjd } 2936168404Spjd 2937168404Spjd for (l = ZB_TOTAL - 1; l >= -1; l--) { 2938168404Spjd level = (l == -1 ? ZB_TOTAL : l); 2939168404Spjd zb = &zcb.zcb_type[level][t]; 2940168404Spjd 2941168404Spjd if (zb->zb_asize == 0) 2942168404Spjd continue; 2943168404Spjd 2944168404Spjd if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2945168404Spjd continue; 2946168404Spjd 2947168404Spjd if (level == 0 && zb->zb_asize == 2948168404Spjd zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2949168404Spjd continue; 2950168404Spjd 2951325915Savg zdb_nicenum(zb->zb_count, csize, 2952325915Savg sizeof (csize)); 2953325915Savg zdb_nicenum(zb->zb_lsize, lsize, 2954325915Savg sizeof (lsize)); 2955325915Savg zdb_nicenum(zb->zb_psize, psize, 2956325915Savg sizeof (psize)); 2957325915Savg zdb_nicenum(zb->zb_asize, asize, 2958325915Savg sizeof (asize)); 2959325915Savg zdb_nicenum(zb->zb_asize / zb->zb_count, avg, 2960325915Savg sizeof (avg)); 2961325915Savg zdb_nicenum(zb->zb_gangs, gang, sizeof (gang)); 2962168404Spjd 2963168404Spjd (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2964168404Spjd "\t%5.2f\t%6.2f\t", 2965168404Spjd csize, lsize, psize, asize, avg, 2966168404Spjd (double)zb->zb_lsize / zb->zb_psize, 2967168404Spjd 100.0 * zb->zb_asize / tzb->zb_asize); 2968168404Spjd 2969168404Spjd if (level == ZB_TOTAL) 2970168404Spjd (void) printf("%s\n", typename); 2971168404Spjd else 2972168404Spjd (void) printf(" L%d %s\n", 2973168404Spjd level, typename); 2974249207Smm 2975268645Sdelphij if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) { 2976268645Sdelphij (void) printf("\t number of ganged " 2977268645Sdelphij "blocks: %s\n", gang); 2978268645Sdelphij } 2979268645Sdelphij 2980249207Smm if (dump_opt['b'] >= 4) { 2981249207Smm (void) printf("psize " 2982249207Smm "(in 512-byte sectors): " 2983249207Smm "number of blocks\n"); 2984249207Smm dump_histogram(zb->zb_psize_histogram, 2985262093Savg PSIZE_HISTO_SIZE, 0); 2986249207Smm } 2987168404Spjd } 2988168404Spjd } 2989168404Spjd } 2990168404Spjd 2991168404Spjd (void) printf("\n"); 2992168404Spjd 2993168404Spjd if (leaks) 2994168404Spjd return (2); 2995168404Spjd 2996168404Spjd if (zcb.zcb_haderrors) 2997168404Spjd return (3); 2998168404Spjd 2999168404Spjd return (0); 3000168404Spjd} 3001168404Spjd 3002219089Spjdtypedef struct zdb_ddt_entry { 3003219089Spjd ddt_key_t zdde_key; 3004219089Spjd uint64_t zdde_ref_blocks; 3005219089Spjd uint64_t zdde_ref_lsize; 3006219089Spjd uint64_t zdde_ref_psize; 3007219089Spjd uint64_t zdde_ref_dsize; 3008219089Spjd avl_node_t zdde_node; 3009219089Spjd} zdb_ddt_entry_t; 3010219089Spjd 3011219089Spjd/* ARGSUSED */ 3012219089Spjdstatic int 3013219089Spjdzdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 3014268657Sdelphij const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 3015219089Spjd{ 3016219089Spjd avl_tree_t *t = arg; 3017219089Spjd avl_index_t where; 3018219089Spjd zdb_ddt_entry_t *zdde, zdde_search; 3019219089Spjd 3020288571Smav if (bp == NULL || BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) 3021219089Spjd return (0); 3022219089Spjd 3023219089Spjd if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 3024219089Spjd (void) printf("traversing objset %llu, %llu objects, " 3025219089Spjd "%lu blocks so far\n", 3026219089Spjd (u_longlong_t)zb->zb_objset, 3027268649Sdelphij (u_longlong_t)BP_GET_FILL(bp), 3028219089Spjd avl_numnodes(t)); 3029219089Spjd } 3030219089Spjd 3031219089Spjd if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 3032236884Smm BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 3033219089Spjd return (0); 3034219089Spjd 3035219089Spjd ddt_key_fill(&zdde_search.zdde_key, bp); 3036219089Spjd 3037219089Spjd zdde = avl_find(t, &zdde_search, &where); 3038219089Spjd 3039219089Spjd if (zdde == NULL) { 3040219089Spjd zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 3041219089Spjd zdde->zdde_key = zdde_search.zdde_key; 3042219089Spjd avl_insert(t, zdde, where); 3043219089Spjd } 3044219089Spjd 3045219089Spjd zdde->zdde_ref_blocks += 1; 3046219089Spjd zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 3047219089Spjd zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 3048219089Spjd zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 3049219089Spjd 3050219089Spjd return (0); 3051219089Spjd} 3052219089Spjd 3053168404Spjdstatic void 3054219089Spjddump_simulated_ddt(spa_t *spa) 3055219089Spjd{ 3056219089Spjd avl_tree_t t; 3057219089Spjd void *cookie = NULL; 3058219089Spjd zdb_ddt_entry_t *zdde; 3059219089Spjd ddt_histogram_t ddh_total = { 0 }; 3060219089Spjd ddt_stat_t dds_total = { 0 }; 3061219089Spjd 3062219089Spjd avl_create(&t, ddt_entry_compare, 3063219089Spjd sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 3064219089Spjd 3065219089Spjd spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 3066219089Spjd 3067219089Spjd (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 3068219089Spjd zdb_ddt_add_cb, &t); 3069219089Spjd 3070219089Spjd spa_config_exit(spa, SCL_CONFIG, FTAG); 3071219089Spjd 3072219089Spjd while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 3073219089Spjd ddt_stat_t dds; 3074219089Spjd uint64_t refcnt = zdde->zdde_ref_blocks; 3075219089Spjd ASSERT(refcnt != 0); 3076219089Spjd 3077219089Spjd dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 3078219089Spjd dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 3079219089Spjd dds.dds_psize = zdde->zdde_ref_psize / refcnt; 3080219089Spjd dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 3081219089Spjd 3082219089Spjd dds.dds_ref_blocks = zdde->zdde_ref_blocks; 3083219089Spjd dds.dds_ref_lsize = zdde->zdde_ref_lsize; 3084219089Spjd dds.dds_ref_psize = zdde->zdde_ref_psize; 3085219089Spjd dds.dds_ref_dsize = zdde->zdde_ref_dsize; 3086219089Spjd 3087265740Sdelphij ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1], 3088265740Sdelphij &dds, 0); 3089219089Spjd 3090219089Spjd umem_free(zdde, sizeof (*zdde)); 3091219089Spjd } 3092219089Spjd 3093219089Spjd avl_destroy(&t); 3094219089Spjd 3095219089Spjd ddt_histogram_stat(&dds_total, &ddh_total); 3096219089Spjd 3097219089Spjd (void) printf("Simulated DDT histogram:\n"); 3098219089Spjd 3099219089Spjd zpool_dump_ddt(&dds_total, &ddh_total); 3100219089Spjd 3101219089Spjd dump_dedup_ratio(&dds_total); 3102219089Spjd} 3103219089Spjd 3104219089Spjdstatic void 3105168404Spjddump_zpool(spa_t *spa) 3106168404Spjd{ 3107168404Spjd dsl_pool_t *dp = spa_get_dsl(spa); 3108168404Spjd int rc = 0; 3109168404Spjd 3110219089Spjd if (dump_opt['S']) { 3111219089Spjd dump_simulated_ddt(spa); 3112219089Spjd return; 3113219089Spjd } 3114219089Spjd 3115219089Spjd if (!dump_opt['e'] && dump_opt['C'] > 1) { 3116219089Spjd (void) printf("\nCached configuration:\n"); 3117219089Spjd dump_nvlist(spa->spa_config, 8); 3118219089Spjd } 3119219089Spjd 3120219089Spjd if (dump_opt['C']) 3121219089Spjd dump_config(spa); 3122219089Spjd 3123168404Spjd if (dump_opt['u']) 3124219089Spjd dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 3125168404Spjd 3126219089Spjd if (dump_opt['D']) 3127219089Spjd dump_all_ddts(spa); 3128219089Spjd 3129219089Spjd if (dump_opt['d'] > 2 || dump_opt['m']) 3130219089Spjd dump_metaslabs(spa); 3131269773Sdelphij if (dump_opt['M']) 3132269773Sdelphij dump_metaslab_groups(spa); 3133219089Spjd 3134219089Spjd if (dump_opt['d'] || dump_opt['i']) { 3135168404Spjd dump_dir(dp->dp_meta_objset); 3136168404Spjd if (dump_opt['d'] >= 3) { 3137288559Smav dump_full_bpobj(&spa->spa_deferred_bpobj, 3138247852Smm "Deferred frees", 0); 3139219089Spjd if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 3140288559Smav dump_full_bpobj( 3141288559Smav &spa->spa_dsl_pool->dp_free_bpobj, 3142247852Smm "Pool snapshot frees", 0); 3143219089Spjd } 3144236884Smm 3145236884Smm if (spa_feature_is_active(spa, 3146263390Sdelphij SPA_FEATURE_ASYNC_DESTROY)) { 3147236884Smm dump_bptree(spa->spa_meta_objset, 3148236884Smm spa->spa_dsl_pool->dp_bptree_obj, 3149236884Smm "Pool dataset frees"); 3150236884Smm } 3151168404Spjd dump_dtl(spa->spa_root_vdev, 0); 3152209962Smm } 3153219089Spjd (void) dmu_objset_find(spa_name(spa), dump_one_dir, 3154219089Spjd NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 3155276081Sdelphij 3156288572Smav for (spa_feature_t f = 0; f < SPA_FEATURES; f++) { 3157288572Smav uint64_t refcount; 3158288572Smav 3159288572Smav if (!(spa_feature_table[f].fi_flags & 3160288572Smav ZFEATURE_FLAG_PER_DATASET)) { 3161288572Smav ASSERT0(dataset_feature_count[f]); 3162288572Smav continue; 3163288572Smav } 3164288572Smav (void) feature_get_refcount(spa, 3165288572Smav &spa_feature_table[f], &refcount); 3166288572Smav if (dataset_feature_count[f] != refcount) { 3167288572Smav (void) printf("%s feature refcount mismatch: " 3168288572Smav "%lld datasets != %lld refcount\n", 3169288572Smav spa_feature_table[f].fi_uname, 3170288572Smav (longlong_t)dataset_feature_count[f], 3171288572Smav (longlong_t)refcount); 3172288572Smav rc = 2; 3173288572Smav } else { 3174288572Smav (void) printf("Verified %s feature refcount " 3175288572Smav "of %llu is correct\n", 3176288572Smav spa_feature_table[f].fi_uname, 3177288572Smav (longlong_t)refcount); 3178288572Smav } 3179276081Sdelphij } 3180168404Spjd } 3181276081Sdelphij if (rc == 0 && (dump_opt['b'] || dump_opt['c'])) 3182168404Spjd rc = dump_block_stats(spa); 3183168404Spjd 3184262093Savg if (rc == 0) 3185262093Savg rc = verify_spacemap_refcounts(spa); 3186262093Savg 3187168404Spjd if (dump_opt['s']) 3188168404Spjd show_pool_stats(spa); 3189168404Spjd 3190219089Spjd if (dump_opt['h']) 3191219089Spjd dump_history(spa); 3192219089Spjd 3193307281Smav if (rc != 0) { 3194307281Smav dump_debug_buffer(); 3195168404Spjd exit(rc); 3196307281Smav } 3197168404Spjd} 3198168404Spjd 3199168404Spjd#define ZDB_FLAG_CHECKSUM 0x0001 3200168404Spjd#define ZDB_FLAG_DECOMPRESS 0x0002 3201168404Spjd#define ZDB_FLAG_BSWAP 0x0004 3202168404Spjd#define ZDB_FLAG_GBH 0x0008 3203168404Spjd#define ZDB_FLAG_INDIRECT 0x0010 3204168404Spjd#define ZDB_FLAG_PHYS 0x0020 3205168404Spjd#define ZDB_FLAG_RAW 0x0040 3206168404Spjd#define ZDB_FLAG_PRINT_BLKPTR 0x0080 3207168404Spjd 3208168404Spjdint flagbits[256]; 3209168404Spjd 3210168404Spjdstatic void 3211168404Spjdzdb_print_blkptr(blkptr_t *bp, int flags) 3212168404Spjd{ 3213219089Spjd char blkbuf[BP_SPRINTF_LEN]; 3214168404Spjd 3215168404Spjd if (flags & ZDB_FLAG_BSWAP) 3216168404Spjd byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 3217219089Spjd 3218263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 3219219089Spjd (void) printf("%s\n", blkbuf); 3220168404Spjd} 3221168404Spjd 3222168404Spjdstatic void 3223168404Spjdzdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 3224168404Spjd{ 3225168404Spjd int i; 3226168404Spjd 3227168404Spjd for (i = 0; i < nbps; i++) 3228168404Spjd zdb_print_blkptr(&bp[i], flags); 3229168404Spjd} 3230168404Spjd 3231168404Spjdstatic void 3232168404Spjdzdb_dump_gbh(void *buf, int flags) 3233168404Spjd{ 3234168404Spjd zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 3235168404Spjd} 3236168404Spjd 3237168404Spjdstatic void 3238168404Spjdzdb_dump_block_raw(void *buf, uint64_t size, int flags) 3239168404Spjd{ 3240168404Spjd if (flags & ZDB_FLAG_BSWAP) 3241168404Spjd byteswap_uint64_array(buf, size); 3242219089Spjd (void) write(1, buf, size); 3243168404Spjd} 3244168404Spjd 3245168404Spjdstatic void 3246168404Spjdzdb_dump_block(char *label, void *buf, uint64_t size, int flags) 3247168404Spjd{ 3248168404Spjd uint64_t *d = (uint64_t *)buf; 3249168404Spjd int nwords = size / sizeof (uint64_t); 3250168404Spjd int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 3251168404Spjd int i, j; 3252168404Spjd char *hdr, *c; 3253168404Spjd 3254168404Spjd 3255168404Spjd if (do_bswap) 3256168404Spjd hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 3257168404Spjd else 3258168404Spjd hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 3259168404Spjd 3260168404Spjd (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 3261168404Spjd 3262168404Spjd for (i = 0; i < nwords; i += 2) { 3263168404Spjd (void) printf("%06llx: %016llx %016llx ", 3264168404Spjd (u_longlong_t)(i * sizeof (uint64_t)), 3265168404Spjd (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 3266168404Spjd (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 3267168404Spjd 3268168404Spjd c = (char *)&d[i]; 3269168404Spjd for (j = 0; j < 2 * sizeof (uint64_t); j++) 3270168404Spjd (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 3271168404Spjd (void) printf("\n"); 3272168404Spjd } 3273168404Spjd} 3274168404Spjd 3275168404Spjd/* 3276168404Spjd * There are two acceptable formats: 3277168404Spjd * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 3278168404Spjd * child[.child]* - For example: 0.1.1 3279168404Spjd * 3280168404Spjd * The second form can be used to specify arbitrary vdevs anywhere 3281168404Spjd * in the heirarchy. For example, in a pool with a mirror of 3282168404Spjd * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 3283168404Spjd */ 3284168404Spjdstatic vdev_t * 3285168404Spjdzdb_vdev_lookup(vdev_t *vdev, char *path) 3286168404Spjd{ 3287168404Spjd char *s, *p, *q; 3288168404Spjd int i; 3289168404Spjd 3290168404Spjd if (vdev == NULL) 3291168404Spjd return (NULL); 3292168404Spjd 3293168404Spjd /* First, assume the x.x.x.x format */ 3294168404Spjd i = (int)strtoul(path, &s, 10); 3295168404Spjd if (s == path || (s && *s != '.' && *s != '\0')) 3296168404Spjd goto name; 3297168404Spjd if (i < 0 || i >= vdev->vdev_children) 3298168404Spjd return (NULL); 3299168404Spjd 3300168404Spjd vdev = vdev->vdev_child[i]; 3301168404Spjd if (*s == '\0') 3302168404Spjd return (vdev); 3303168404Spjd return (zdb_vdev_lookup(vdev, s+1)); 3304168404Spjd 3305168404Spjdname: 3306168404Spjd for (i = 0; i < vdev->vdev_children; i++) { 3307168404Spjd vdev_t *vc = vdev->vdev_child[i]; 3308168404Spjd 3309168404Spjd if (vc->vdev_path == NULL) { 3310168404Spjd vc = zdb_vdev_lookup(vc, path); 3311168404Spjd if (vc == NULL) 3312168404Spjd continue; 3313168404Spjd else 3314168404Spjd return (vc); 3315168404Spjd } 3316168404Spjd 3317168404Spjd p = strrchr(vc->vdev_path, '/'); 3318168404Spjd p = p ? p + 1 : vc->vdev_path; 3319168404Spjd q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 3320168404Spjd 3321168404Spjd if (strcmp(vc->vdev_path, path) == 0) 3322168404Spjd return (vc); 3323168404Spjd if (strcmp(p, path) == 0) 3324168404Spjd return (vc); 3325168404Spjd if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 3326168404Spjd return (vc); 3327168404Spjd } 3328168404Spjd 3329168404Spjd return (NULL); 3330168404Spjd} 3331168404Spjd 3332168404Spjd/* 3333168404Spjd * Read a block from a pool and print it out. The syntax of the 3334168404Spjd * block descriptor is: 3335168404Spjd * 3336168404Spjd * pool:vdev_specifier:offset:size[:flags] 3337168404Spjd * 3338168404Spjd * pool - The name of the pool you wish to read from 3339168404Spjd * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 3340168404Spjd * offset - offset, in hex, in bytes 3341168404Spjd * size - Amount of data to read, in hex, in bytes 3342168404Spjd * flags - A string of characters specifying options 3343168404Spjd * b: Decode a blkptr at given offset within block 3344168404Spjd * *c: Calculate and display checksums 3345219089Spjd * d: Decompress data before dumping 3346168404Spjd * e: Byteswap data before dumping 3347219089Spjd * g: Display data as a gang block header 3348219089Spjd * i: Display as an indirect block 3349168404Spjd * p: Do I/O to physical offset 3350168404Spjd * r: Dump raw data to stdout 3351168404Spjd * 3352168404Spjd * * = not yet implemented 3353168404Spjd */ 3354168404Spjdstatic void 3355219089Spjdzdb_read_block(char *thing, spa_t *spa) 3356168404Spjd{ 3357219089Spjd blkptr_t blk, *bp = &blk; 3358219089Spjd dva_t *dva = bp->blk_dva; 3359168404Spjd int flags = 0; 3360219089Spjd uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 3361168404Spjd zio_t *zio; 3362168404Spjd vdev_t *vd; 3363219089Spjd void *pbuf, *lbuf, *buf; 3364219089Spjd char *s, *p, *dup, *vdev, *flagstr; 3365219089Spjd int i, error; 3366168404Spjd 3367168404Spjd dup = strdup(thing); 3368168404Spjd s = strtok(dup, ":"); 3369168404Spjd vdev = s ? s : ""; 3370168404Spjd s = strtok(NULL, ":"); 3371168404Spjd offset = strtoull(s ? s : "", NULL, 16); 3372168404Spjd s = strtok(NULL, ":"); 3373168404Spjd size = strtoull(s ? s : "", NULL, 16); 3374168404Spjd s = strtok(NULL, ":"); 3375168404Spjd flagstr = s ? s : ""; 3376168404Spjd 3377168404Spjd s = NULL; 3378168404Spjd if (size == 0) 3379168404Spjd s = "size must not be zero"; 3380168404Spjd if (!IS_P2ALIGNED(size, DEV_BSIZE)) 3381168404Spjd s = "size must be a multiple of sector size"; 3382168404Spjd if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 3383168404Spjd s = "offset must be a multiple of sector size"; 3384168404Spjd if (s) { 3385168404Spjd (void) printf("Invalid block specifier: %s - %s\n", thing, s); 3386168404Spjd free(dup); 3387168404Spjd return; 3388168404Spjd } 3389168404Spjd 3390168404Spjd for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 3391168404Spjd for (i = 0; flagstr[i]; i++) { 3392168404Spjd int bit = flagbits[(uchar_t)flagstr[i]]; 3393168404Spjd 3394168404Spjd if (bit == 0) { 3395168404Spjd (void) printf("***Invalid flag: %c\n", 3396168404Spjd flagstr[i]); 3397168404Spjd continue; 3398168404Spjd } 3399168404Spjd flags |= bit; 3400168404Spjd 3401168404Spjd /* If it's not something with an argument, keep going */ 3402219089Spjd if ((bit & (ZDB_FLAG_CHECKSUM | 3403168404Spjd ZDB_FLAG_PRINT_BLKPTR)) == 0) 3404168404Spjd continue; 3405168404Spjd 3406168404Spjd p = &flagstr[i + 1]; 3407168404Spjd if (bit == ZDB_FLAG_PRINT_BLKPTR) 3408168404Spjd blkptr_offset = strtoull(p, &p, 16); 3409168404Spjd if (*p != ':' && *p != '\0') { 3410168404Spjd (void) printf("***Invalid flag arg: '%s'\n", s); 3411168404Spjd free(dup); 3412168404Spjd return; 3413168404Spjd } 3414262104Savg i += p - &flagstr[i + 1]; /* skip over the number */ 3415168404Spjd } 3416168404Spjd } 3417168404Spjd 3418168404Spjd vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 3419168404Spjd if (vd == NULL) { 3420168404Spjd (void) printf("***Invalid vdev: %s\n", vdev); 3421168404Spjd free(dup); 3422168404Spjd return; 3423168404Spjd } else { 3424168404Spjd if (vd->vdev_path) 3425219089Spjd (void) fprintf(stderr, "Found vdev: %s\n", 3426219089Spjd vd->vdev_path); 3427168404Spjd else 3428219089Spjd (void) fprintf(stderr, "Found vdev type: %s\n", 3429168404Spjd vd->vdev_ops->vdev_op_type); 3430168404Spjd } 3431168404Spjd 3432219089Spjd psize = size; 3433219089Spjd lsize = size; 3434168404Spjd 3435219089Spjd pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3436219089Spjd lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3437168404Spjd 3438219089Spjd BP_ZERO(bp); 3439219089Spjd 3440219089Spjd DVA_SET_VDEV(&dva[0], vd->vdev_id); 3441219089Spjd DVA_SET_OFFSET(&dva[0], offset); 3442219089Spjd DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 3443219089Spjd DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 3444219089Spjd 3445219089Spjd BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 3446219089Spjd 3447219089Spjd BP_SET_LSIZE(bp, lsize); 3448219089Spjd BP_SET_PSIZE(bp, psize); 3449219089Spjd BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 3450219089Spjd BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 3451219089Spjd BP_SET_TYPE(bp, DMU_OT_NONE); 3452219089Spjd BP_SET_LEVEL(bp, 0); 3453219089Spjd BP_SET_DEDUP(bp, 0); 3454219089Spjd BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 3455219089Spjd 3456185029Spjd spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 3457168404Spjd zio = zio_root(spa, NULL, NULL, 0); 3458219089Spjd 3459219089Spjd if (vd == vd->vdev_top) { 3460219089Spjd /* 3461219089Spjd * Treat this as a normal block read. 3462219089Spjd */ 3463219089Spjd zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 3464219089Spjd ZIO_PRIORITY_SYNC_READ, 3465219089Spjd ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 3466219089Spjd } else { 3467219089Spjd /* 3468219089Spjd * Treat this as a vdev child I/O. 3469219089Spjd */ 3470219089Spjd zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 3471219089Spjd ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 3472219089Spjd ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 3473219089Spjd ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 3474219089Spjd ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 3475219089Spjd } 3476219089Spjd 3477168404Spjd error = zio_wait(zio); 3478185029Spjd spa_config_exit(spa, SCL_STATE, FTAG); 3479168404Spjd 3480168404Spjd if (error) { 3481168404Spjd (void) printf("Read of %s failed, error: %d\n", thing, error); 3482168404Spjd goto out; 3483168404Spjd } 3484168404Spjd 3485219089Spjd if (flags & ZDB_FLAG_DECOMPRESS) { 3486219089Spjd /* 3487219089Spjd * We don't know how the data was compressed, so just try 3488219089Spjd * every decompress function at every inflated blocksize. 3489219089Spjd */ 3490219089Spjd enum zio_compress c; 3491219089Spjd void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3492219089Spjd void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3493219089Spjd 3494219089Spjd bcopy(pbuf, pbuf2, psize); 3495219089Spjd 3496219089Spjd VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 3497219089Spjd SPA_MAXBLOCKSIZE - psize) == 0); 3498219089Spjd 3499219089Spjd VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 3500219089Spjd SPA_MAXBLOCKSIZE - psize) == 0); 3501219089Spjd 3502219089Spjd for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 3503219089Spjd lsize -= SPA_MINBLOCKSIZE) { 3504219089Spjd for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 3505219089Spjd if (zio_decompress_data(c, pbuf, lbuf, 3506219089Spjd psize, lsize) == 0 && 3507219089Spjd zio_decompress_data(c, pbuf2, lbuf2, 3508219089Spjd psize, lsize) == 0 && 3509219089Spjd bcmp(lbuf, lbuf2, lsize) == 0) 3510219089Spjd break; 3511219089Spjd } 3512219089Spjd if (c != ZIO_COMPRESS_FUNCTIONS) 3513219089Spjd break; 3514219089Spjd lsize -= SPA_MINBLOCKSIZE; 3515219089Spjd } 3516219089Spjd 3517219089Spjd umem_free(pbuf2, SPA_MAXBLOCKSIZE); 3518219089Spjd umem_free(lbuf2, SPA_MAXBLOCKSIZE); 3519219089Spjd 3520219089Spjd if (lsize <= psize) { 3521219089Spjd (void) printf("Decompress of %s failed\n", thing); 3522219089Spjd goto out; 3523219089Spjd } 3524219089Spjd buf = lbuf; 3525219089Spjd size = lsize; 3526219089Spjd } else { 3527219089Spjd buf = pbuf; 3528219089Spjd size = psize; 3529219089Spjd } 3530219089Spjd 3531168404Spjd if (flags & ZDB_FLAG_PRINT_BLKPTR) 3532168404Spjd zdb_print_blkptr((blkptr_t *)(void *) 3533168404Spjd ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 3534168404Spjd else if (flags & ZDB_FLAG_RAW) 3535168404Spjd zdb_dump_block_raw(buf, size, flags); 3536168404Spjd else if (flags & ZDB_FLAG_INDIRECT) 3537168404Spjd zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 3538168404Spjd flags); 3539168404Spjd else if (flags & ZDB_FLAG_GBH) 3540168404Spjd zdb_dump_gbh(buf, flags); 3541168404Spjd else 3542168404Spjd zdb_dump_block(thing, buf, size, flags); 3543168404Spjd 3544168404Spjdout: 3545219089Spjd umem_free(pbuf, SPA_MAXBLOCKSIZE); 3546219089Spjd umem_free(lbuf, SPA_MAXBLOCKSIZE); 3547168404Spjd free(dup); 3548168404Spjd} 3549168404Spjd 3550185029Spjdstatic boolean_t 3551219089Spjdpool_match(nvlist_t *cfg, char *tgt) 3552185029Spjd{ 3553219089Spjd uint64_t v, guid = strtoull(tgt, NULL, 0); 3554185029Spjd char *s; 3555185029Spjd 3556219089Spjd if (guid != 0) { 3557219089Spjd if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 3558219089Spjd return (v == guid); 3559219089Spjd } else { 3560219089Spjd if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 3561219089Spjd return (strcmp(s, tgt) == 0); 3562185029Spjd } 3563185029Spjd return (B_FALSE); 3564185029Spjd} 3565185029Spjd 3566219089Spjdstatic char * 3567219089Spjdfind_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 3568185029Spjd{ 3569219089Spjd nvlist_t *pools; 3570219089Spjd nvlist_t *match = NULL; 3571219089Spjd char *name = NULL; 3572219089Spjd char *sepp = NULL; 3573307122Smav char sep = '\0'; 3574219089Spjd int count = 0; 3575219089Spjd importargs_t args = { 0 }; 3576185029Spjd 3577219089Spjd args.paths = dirc; 3578219089Spjd args.path = dirv; 3579219089Spjd args.can_be_active = B_TRUE; 3580185029Spjd 3581219089Spjd if ((sepp = strpbrk(*target, "/@")) != NULL) { 3582219089Spjd sep = *sepp; 3583219089Spjd *sepp = '\0'; 3584185029Spjd } 3585185029Spjd 3586219089Spjd pools = zpool_search_import(g_zfs, &args); 3587185029Spjd 3588185029Spjd if (pools != NULL) { 3589185029Spjd nvpair_t *elem = NULL; 3590185029Spjd while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3591185029Spjd verify(nvpair_value_nvlist(elem, configp) == 0); 3592219089Spjd if (pool_match(*configp, *target)) { 3593219089Spjd count++; 3594185029Spjd if (match != NULL) { 3595219089Spjd /* print previously found config */ 3596219089Spjd if (name != NULL) { 3597219089Spjd (void) printf("%s\n", name); 3598219089Spjd dump_nvlist(match, 8); 3599219089Spjd name = NULL; 3600219089Spjd } 3601219089Spjd (void) printf("%s\n", 3602219089Spjd nvpair_name(elem)); 3603219089Spjd dump_nvlist(*configp, 8); 3604185029Spjd } else { 3605185029Spjd match = *configp; 3606219089Spjd name = nvpair_name(elem); 3607185029Spjd } 3608185029Spjd } 3609185029Spjd } 3610185029Spjd } 3611219089Spjd if (count > 1) 3612219089Spjd (void) fatal("\tMatched %d pools - use pool GUID " 3613219089Spjd "instead of pool name or \n" 3614219089Spjd "\tpool name part of a dataset name to select pool", count); 3615185029Spjd 3616219089Spjd if (sepp) 3617219089Spjd *sepp = sep; 3618219089Spjd /* 3619219089Spjd * If pool GUID was specified for pool id, replace it with pool name 3620219089Spjd */ 3621219089Spjd if (name && (strstr(*target, name) != *target)) { 3622219089Spjd int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3623185029Spjd 3624219089Spjd *target = umem_alloc(sz, UMEM_NOFAIL); 3625219089Spjd (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3626219089Spjd } 3627219089Spjd 3628219089Spjd *configp = name ? match : NULL; 3629219089Spjd 3630219089Spjd return (name); 3631185029Spjd} 3632185029Spjd 3633168404Spjdint 3634168404Spjdmain(int argc, char **argv) 3635168404Spjd{ 3636168404Spjd int i, c; 3637168404Spjd struct rlimit rl = { 1024, 1024 }; 3638219089Spjd spa_t *spa = NULL; 3639168404Spjd objset_t *os = NULL; 3640168404Spjd int dump_all = 1; 3641168404Spjd int verbose = 0; 3642219089Spjd int error = 0; 3643219089Spjd char **searchdirs = NULL; 3644219089Spjd int nsearch = 0; 3645219089Spjd char *target; 3646219089Spjd nvlist_t *policy = NULL; 3647219089Spjd uint64_t max_txg = UINT64_MAX; 3648219089Spjd int rewind = ZPOOL_NEVER_REWIND; 3649304115Savg char *spa_config_path_env; 3650304118Savg boolean_t target_is_spa = B_TRUE; 3651168404Spjd 3652168404Spjd (void) setrlimit(RLIMIT_NOFILE, &rl); 3653168404Spjd (void) enable_extended_FILE_stdio(-1, -1); 3654168404Spjd 3655168404Spjd dprintf_setup(&argc, argv); 3656168404Spjd 3657304115Savg /* 3658304115Savg * If there is an environment variable SPA_CONFIG_PATH it overrides 3659304115Savg * default spa_config_path setting. If -U flag is specified it will 3660304115Savg * override this environment variable settings once again. 3661304115Savg */ 3662304115Savg spa_config_path_env = getenv("SPA_CONFIG_PATH"); 3663304115Savg if (spa_config_path_env != NULL) 3664304115Savg spa_config_path = spa_config_path_env; 3665304115Savg 3666268653Sdelphij while ((c = getopt(argc, argv, 3667326336Sasomers "bcdhilmMI:suCDRSAFLXx:evp:t:U:PGo:q")) != -1) { 3668168404Spjd switch (c) { 3669219089Spjd case 'b': 3670219089Spjd case 'c': 3671168404Spjd case 'd': 3672219089Spjd case 'h': 3673168404Spjd case 'i': 3674219089Spjd case 'l': 3675209962Smm case 'm': 3676168404Spjd case 's': 3677219089Spjd case 'u': 3678168404Spjd case 'C': 3679219089Spjd case 'D': 3680269773Sdelphij case 'M': 3681168404Spjd case 'R': 3682219089Spjd case 'S': 3683307281Smav case 'G': 3684168404Spjd dump_opt[c]++; 3685168404Spjd dump_all = 0; 3686168404Spjd break; 3687219089Spjd case 'A': 3688219089Spjd case 'F': 3689209962Smm case 'L': 3690219089Spjd case 'X': 3691219089Spjd case 'e': 3692219089Spjd case 'P': 3693326336Sasomers case 'q': 3694209962Smm dump_opt[c]++; 3695209962Smm break; 3696269773Sdelphij case 'I': 3697263393Sdelphij max_inflight = strtoull(optarg, NULL, 0); 3698263393Sdelphij if (max_inflight == 0) { 3699263393Sdelphij (void) fprintf(stderr, "maximum number " 3700263393Sdelphij "of inflight I/Os must be greater " 3701263393Sdelphij "than 0\n"); 3702263393Sdelphij usage(); 3703263393Sdelphij } 3704263393Sdelphij break; 3705185029Spjd case 'p': 3706219089Spjd if (searchdirs == NULL) { 3707219089Spjd searchdirs = umem_alloc(sizeof (char *), 3708219089Spjd UMEM_NOFAIL); 3709219089Spjd } else { 3710219089Spjd char **tmp = umem_alloc((nsearch + 1) * 3711219089Spjd sizeof (char *), UMEM_NOFAIL); 3712219089Spjd bcopy(searchdirs, tmp, nsearch * 3713219089Spjd sizeof (char *)); 3714219089Spjd umem_free(searchdirs, 3715219089Spjd nsearch * sizeof (char *)); 3716219089Spjd searchdirs = tmp; 3717219089Spjd } 3718219089Spjd searchdirs[nsearch++] = optarg; 3719185029Spjd break; 3720209962Smm case 't': 3721219089Spjd max_txg = strtoull(optarg, NULL, 0); 3722219089Spjd if (max_txg < TXG_INITIAL) { 3723209962Smm (void) fprintf(stderr, "incorrect txg " 3724209962Smm "specified: %s\n", optarg); 3725209962Smm usage(); 3726209962Smm } 3727209962Smm break; 3728219089Spjd case 'U': 3729219089Spjd spa_config_path = optarg; 3730219089Spjd break; 3731269773Sdelphij case 'v': 3732269773Sdelphij verbose++; 3733269773Sdelphij break; 3734269773Sdelphij case 'x': 3735269773Sdelphij vn_dumpdir = optarg; 3736269773Sdelphij break; 3737326335Sasomers case 'o': 3738326335Sasomers error = set_global_var(optarg); 3739326335Sasomers if (error != 0) 3740326335Sasomers usage(); 3741326335Sasomers break; 3742168404Spjd default: 3743168404Spjd usage(); 3744168404Spjd break; 3745168404Spjd } 3746168404Spjd } 3747168404Spjd 3748219089Spjd if (!dump_opt['e'] && searchdirs != NULL) { 3749208047Smm (void) fprintf(stderr, "-p option requires use of -e\n"); 3750208047Smm usage(); 3751208047Smm } 3752185029Spjd 3753273508Sdelphij /* 3754273508Sdelphij * ZDB does not typically re-read blocks; therefore limit the ARC 3755273508Sdelphij * to 256 MB, which can be used entirely for metadata. 3756273508Sdelphij */ 3757273508Sdelphij zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024; 3758273508Sdelphij 3759275488Sdelphij /* 3760275488Sdelphij * "zdb -c" uses checksum-verifying scrub i/os which are async reads. 3761275488Sdelphij * "zdb -b" uses traversal prefetch which uses async reads. 3762275488Sdelphij * For good performance, let several of them be active at once. 3763275488Sdelphij */ 3764275488Sdelphij zfs_vdev_async_read_max_active = 10; 3765275488Sdelphij 3766168404Spjd kernel_init(FREAD); 3767185029Spjd g_zfs = libzfs_init(); 3768297089Smav if (g_zfs == NULL) 3769297089Smav fatal("Fail to initialize zfs"); 3770168404Spjd 3771219089Spjd if (dump_all) 3772219089Spjd verbose = MAX(verbose, 1); 3773219089Spjd 3774168404Spjd for (c = 0; c < 256; c++) { 3775219089Spjd if (dump_all && !strchr("elAFLRSXP", c)) 3776168404Spjd dump_opt[c] = 1; 3777168404Spjd if (dump_opt[c]) 3778168404Spjd dump_opt[c] += verbose; 3779168404Spjd } 3780168404Spjd 3781219089Spjd aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3782219089Spjd zfs_recover = (dump_opt['A'] > 1); 3783219089Spjd 3784168404Spjd argc -= optind; 3785168404Spjd argv += optind; 3786168404Spjd 3787219089Spjd if (argc < 2 && dump_opt['R']) 3788219089Spjd usage(); 3789168404Spjd if (argc < 1) { 3790219089Spjd if (!dump_opt['e'] && dump_opt['C']) { 3791185029Spjd dump_cachefile(spa_config_path); 3792168404Spjd return (0); 3793168404Spjd } 3794168404Spjd usage(); 3795168404Spjd } 3796168404Spjd 3797326336Sasomers if (dump_opt['l']) 3798326336Sasomers return (dump_label(argv[0])); 3799168404Spjd 3800219089Spjd if (dump_opt['X'] || dump_opt['F']) 3801219089Spjd rewind = ZPOOL_DO_REWIND | 3802219089Spjd (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3803168404Spjd 3804219089Spjd if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3805219089Spjd nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3806219089Spjd nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3807219089Spjd fatal("internal error: %s", strerror(ENOMEM)); 3808168404Spjd 3809185029Spjd error = 0; 3810219089Spjd target = argv[0]; 3811185029Spjd 3812219089Spjd if (dump_opt['e']) { 3813219089Spjd nvlist_t *cfg = NULL; 3814219089Spjd char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3815185029Spjd 3816219089Spjd error = ENOENT; 3817219089Spjd if (name) { 3818219089Spjd if (dump_opt['C'] > 1) { 3819219089Spjd (void) printf("\nConfiguration for import:\n"); 3820219089Spjd dump_nvlist(cfg, 8); 3821185029Spjd } 3822219089Spjd if (nvlist_add_nvlist(cfg, 3823219089Spjd ZPOOL_REWIND_POLICY, policy) != 0) { 3824219089Spjd fatal("can't open '%s': %s", 3825219089Spjd target, strerror(ENOMEM)); 3826219089Spjd } 3827219089Spjd if ((error = spa_import(name, cfg, NULL, 3828219089Spjd ZFS_IMPORT_MISSING_LOG)) != 0) { 3829219089Spjd error = spa_import(name, cfg, NULL, 3830219089Spjd ZFS_IMPORT_VERBATIM); 3831219089Spjd } 3832185029Spjd } 3833168404Spjd } 3834168404Spjd 3835304118Savg if (strpbrk(target, "/@") != NULL) { 3836304118Savg size_t targetlen; 3837304118Savg 3838304118Savg target_is_spa = B_FALSE; 3839304118Savg /* 3840304118Savg * Remove any trailing slash. Later code would get confused 3841304118Savg * by it, but we want to allow it so that "pool/" can 3842304118Savg * indicate that we want to dump the topmost filesystem, 3843304118Savg * rather than the whole pool. 3844304118Savg */ 3845304118Savg targetlen = strlen(target); 3846304118Savg if (targetlen != 0 && target[targetlen - 1] == '/') 3847304118Savg target[targetlen - 1] = '\0'; 3848304118Savg } 3849304118Savg 3850185029Spjd if (error == 0) { 3851304118Savg if (target_is_spa || dump_opt['R']) { 3852219089Spjd error = spa_open_rewind(target, &spa, FTAG, policy, 3853219089Spjd NULL); 3854219089Spjd if (error) { 3855219089Spjd /* 3856219089Spjd * If we're missing the log device then 3857219089Spjd * try opening the pool after clearing the 3858219089Spjd * log state. 3859219089Spjd */ 3860219089Spjd mutex_enter(&spa_namespace_lock); 3861219089Spjd if ((spa = spa_lookup(target)) != NULL && 3862219089Spjd spa->spa_log_state == SPA_LOG_MISSING) { 3863219089Spjd spa->spa_log_state = SPA_LOG_CLEAR; 3864219089Spjd error = 0; 3865219089Spjd } 3866219089Spjd mutex_exit(&spa_namespace_lock); 3867219089Spjd 3868219089Spjd if (!error) { 3869219089Spjd error = spa_open_rewind(target, &spa, 3870219089Spjd FTAG, policy, NULL); 3871219089Spjd } 3872219089Spjd } 3873185029Spjd } else { 3874219089Spjd error = dmu_objset_own(target, DMU_OST_ANY, 3875219089Spjd B_TRUE, FTAG, &os); 3876185029Spjd } 3877185029Spjd } 3878219089Spjd nvlist_free(policy); 3879185029Spjd 3880168404Spjd if (error) 3881219089Spjd fatal("can't open '%s': %s", target, strerror(error)); 3882168404Spjd 3883168404Spjd argv++; 3884219089Spjd argc--; 3885219089Spjd if (!dump_opt['R']) { 3886219089Spjd if (argc > 0) { 3887219089Spjd zopt_objects = argc; 3888219089Spjd zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3889219089Spjd for (i = 0; i < zopt_objects; i++) { 3890219089Spjd errno = 0; 3891219089Spjd zopt_object[i] = strtoull(argv[i], NULL, 0); 3892219089Spjd if (zopt_object[i] == 0 && errno != 0) 3893219089Spjd fatal("bad number %s: %s", 3894219089Spjd argv[i], strerror(errno)); 3895219089Spjd } 3896168404Spjd } 3897244246Smm if (os != NULL) { 3898244246Smm dump_dir(os); 3899244246Smm } else if (zopt_objects > 0 && !dump_opt['m']) { 3900244246Smm dump_dir(spa->spa_meta_objset); 3901244246Smm } else { 3902244246Smm dump_zpool(spa); 3903244246Smm } 3904219089Spjd } else { 3905219089Spjd flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3906219089Spjd flagbits['c'] = ZDB_FLAG_CHECKSUM; 3907219089Spjd flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3908219089Spjd flagbits['e'] = ZDB_FLAG_BSWAP; 3909219089Spjd flagbits['g'] = ZDB_FLAG_GBH; 3910219089Spjd flagbits['i'] = ZDB_FLAG_INDIRECT; 3911219089Spjd flagbits['p'] = ZDB_FLAG_PHYS; 3912219089Spjd flagbits['r'] = ZDB_FLAG_RAW; 3913168404Spjd 3914219089Spjd for (i = 0; i < argc; i++) 3915219089Spjd zdb_read_block(argv[i], spa); 3916168404Spjd } 3917168404Spjd 3918219089Spjd (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3919219089Spjd 3920185029Spjd fuid_table_destroy(); 3921219089Spjd sa_loaded = B_FALSE; 3922185029Spjd 3923307281Smav dump_debug_buffer(); 3924307281Smav 3925185029Spjd libzfs_fini(g_zfs); 3926168404Spjd kernel_fini(); 3927168404Spjd 3928168404Spjd return (0); 3929168404Spjd} 3930