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. 24268657Sdelphij * Copyright (c) 2011, 2014 by Delphix. All rights reserved. 25168404Spjd */ 26168404Spjd 27168404Spjd#include <stdio.h> 28249207Smm#include <unistd.h> 29168404Spjd#include <stdio_ext.h> 30168404Spjd#include <stdlib.h> 31168404Spjd#include <ctype.h> 32168404Spjd#include <sys/zfs_context.h> 33168404Spjd#include <sys/spa.h> 34168404Spjd#include <sys/spa_impl.h> 35168404Spjd#include <sys/dmu.h> 36168404Spjd#include <sys/zap.h> 37168404Spjd#include <sys/fs/zfs.h> 38168404Spjd#include <sys/zfs_znode.h> 39219089Spjd#include <sys/zfs_sa.h> 40219089Spjd#include <sys/sa.h> 41219089Spjd#include <sys/sa_impl.h> 42168404Spjd#include <sys/vdev.h> 43168404Spjd#include <sys/vdev_impl.h> 44168404Spjd#include <sys/metaslab_impl.h> 45168404Spjd#include <sys/dmu_objset.h> 46168404Spjd#include <sys/dsl_dir.h> 47168404Spjd#include <sys/dsl_dataset.h> 48168404Spjd#include <sys/dsl_pool.h> 49168404Spjd#include <sys/dbuf.h> 50168404Spjd#include <sys/zil.h> 51168404Spjd#include <sys/zil_impl.h> 52168404Spjd#include <sys/stat.h> 53168404Spjd#include <sys/resource.h> 54168404Spjd#include <sys/dmu_traverse.h> 55168404Spjd#include <sys/zio_checksum.h> 56168404Spjd#include <sys/zio_compress.h> 57185029Spjd#include <sys/zfs_fuid.h> 58208047Smm#include <sys/arc.h> 59219089Spjd#include <sys/ddt.h> 60236884Smm#include <sys/zfeature.h> 61248571Smm#include <zfs_comutil.h> 62185029Spjd#undef ZFS_MAXNAMELEN 63185029Spjd#undef verify 64185029Spjd#include <libzfs.h> 65168404Spjd 66244246Smm#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 67244246Smm zio_compress_table[(idx)].ci_name : "UNKNOWN") 68244246Smm#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 69244246Smm zio_checksum_table[(idx)].ci_name : "UNKNOWN") 70244246Smm#define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 71244246Smm dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 72244246Smm dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 73244246Smm#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 74244246Smm (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \ 75244246Smm DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES)) 76219089Spjd 77219089Spjd#ifndef lint 78268650Sdelphijextern boolean_t zfs_recover; 79219089Spjd#else 80268650Sdelphijboolean_t zfs_recover; 81219089Spjd#endif 82219089Spjd 83168404Spjdconst char cmdname[] = "zdb"; 84168404Spjduint8_t dump_opt[256]; 85168404Spjd 86168404Spjdtypedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 87168404Spjd 88168404Spjdextern void dump_intent_log(zilog_t *); 89168404Spjduint64_t *zopt_object = NULL; 90168404Spjdint zopt_objects = 0; 91185029Spjdlibzfs_handle_t *g_zfs; 92263393Sdelphijuint64_t max_inflight = 200; 93168404Spjd 94168404Spjd/* 95168404Spjd * These libumem hooks provide a reasonable set of defaults for the allocator's 96168404Spjd * debugging facilities. 97168404Spjd */ 98168404Spjdconst char * 99168404Spjd_umem_debug_init() 100168404Spjd{ 101168404Spjd return ("default,verbose"); /* $UMEM_DEBUG setting */ 102168404Spjd} 103168404Spjd 104168404Spjdconst char * 105168404Spjd_umem_logging_init(void) 106168404Spjd{ 107168404Spjd return ("fail,contents"); /* $UMEM_LOGGING setting */ 108168404Spjd} 109168404Spjd 110168404Spjdstatic void 111168404Spjdusage(void) 112168404Spjd{ 113168404Spjd (void) fprintf(stderr, 114269773Sdelphij "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " 115269773Sdelphij "[-U config] [-I inflight I/Os] [-x dumpdir] poolname [object...]\n" 116263393Sdelphij " %s [-divPA] [-e -p path...] [-U config] dataset " 117263393Sdelphij "[object...]\n" 118269773Sdelphij " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] " 119263393Sdelphij "poolname [vdev [metaslab...]]\n" 120263393Sdelphij " %s -R [-A] [-e [-p path...]] poolname " 121263393Sdelphij "vdev:offset:size[:flags]\n" 122263393Sdelphij " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n" 123263393Sdelphij " %s -l [-uA] device\n" 124263393Sdelphij " %s -C [-A] [-U config]\n\n", 125219089Spjd cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 126168404Spjd 127219089Spjd (void) fprintf(stderr, " Dataset name must include at least one " 128219089Spjd "separator character '/' or '@'\n"); 129219089Spjd (void) fprintf(stderr, " If dataset name is specified, only that " 130219089Spjd "dataset is dumped\n"); 131219089Spjd (void) fprintf(stderr, " If object numbers are specified, only " 132219089Spjd "those objects are dumped\n\n"); 133219089Spjd (void) fprintf(stderr, " Options to control amount of output:\n"); 134219089Spjd (void) fprintf(stderr, " -u uberblock\n"); 135219089Spjd (void) fprintf(stderr, " -d dataset(s)\n"); 136219089Spjd (void) fprintf(stderr, " -i intent logs\n"); 137219089Spjd (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 138219089Spjd (void) fprintf(stderr, " -h pool history\n"); 139219089Spjd (void) fprintf(stderr, " -b block statistics\n"); 140219089Spjd (void) fprintf(stderr, " -m metaslabs\n"); 141269773Sdelphij (void) fprintf(stderr, " -M metaslab groups\n"); 142219089Spjd (void) fprintf(stderr, " -c checksum all metadata (twice for " 143209962Smm "all data) blocks\n"); 144219089Spjd (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 145219089Spjd (void) fprintf(stderr, " -D dedup statistics\n"); 146219089Spjd (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 147219089Spjd (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 148168404Spjd (void) fprintf(stderr, " -l dump label contents\n"); 149209962Smm (void) fprintf(stderr, " -L disable leak tracking (do not " 150209962Smm "load spacemaps)\n"); 151219089Spjd (void) fprintf(stderr, " -R read and display block from a " 152219089Spjd "device\n\n"); 153219089Spjd (void) fprintf(stderr, " Below options are intended for use " 154268653Sdelphij "with other options:\n"); 155219089Spjd (void) fprintf(stderr, " -A ignore assertions (-A), enable " 156219089Spjd "panic recovery (-AA) or both (-AAA)\n"); 157219089Spjd (void) fprintf(stderr, " -F attempt automatic rewind within " 158219089Spjd "safe range of transaction groups\n"); 159219089Spjd (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 160185029Spjd "cachefile\n"); 161219089Spjd (void) fprintf(stderr, " -X attempt extreme rewind (does not " 162219089Spjd "work with dataset)\n"); 163219089Spjd (void) fprintf(stderr, " -e pool is exported/destroyed/" 164219089Spjd "has altroot/not in a cachefile\n"); 165219089Spjd (void) fprintf(stderr, " -p <path> -- use one or more with " 166219089Spjd "-e to specify path to vdev dir\n"); 167268653Sdelphij (void) fprintf(stderr, " -x <dumpdir> -- " 168268653Sdelphij "dump all read blocks into specified directory\n"); 169268653Sdelphij (void) fprintf(stderr, " -P print numbers in parseable form\n"); 170219089Spjd (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 171209962Smm "searching for uberblocks\n"); 172269773Sdelphij (void) fprintf(stderr, " -I <number of inflight I/Os> -- " 173268653Sdelphij "specify the maximum number of " 174268653Sdelphij "checksumming I/Os [default is 200]\n"); 175168404Spjd (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 176168404Spjd "to make only that option verbose\n"); 177168404Spjd (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 178168404Spjd exit(1); 179168404Spjd} 180168404Spjd 181209962Smm/* 182209962Smm * Called for usage errors that are discovered after a call to spa_open(), 183209962Smm * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 184209962Smm */ 185209962Smm 186168404Spjdstatic void 187168404Spjdfatal(const char *fmt, ...) 188168404Spjd{ 189168404Spjd va_list ap; 190168404Spjd 191168404Spjd va_start(ap, fmt); 192168404Spjd (void) fprintf(stderr, "%s: ", cmdname); 193168404Spjd (void) vfprintf(stderr, fmt, ap); 194168404Spjd va_end(ap); 195168404Spjd (void) fprintf(stderr, "\n"); 196168404Spjd 197209962Smm exit(1); 198168404Spjd} 199168404Spjd 200168404Spjd/* ARGSUSED */ 201168404Spjdstatic void 202168404Spjddump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 203168404Spjd{ 204168404Spjd nvlist_t *nv; 205168404Spjd size_t nvsize = *(uint64_t *)data; 206168404Spjd char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 207168404Spjd 208209962Smm VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 209168404Spjd 210168404Spjd VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 211168404Spjd 212168404Spjd umem_free(packed, nvsize); 213168404Spjd 214168404Spjd dump_nvlist(nv, 8); 215168404Spjd 216168404Spjd nvlist_free(nv); 217168404Spjd} 218168404Spjd 219248571Smm/* ARGSUSED */ 220219089Spjdstatic void 221248571Smmdump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 222248571Smm{ 223248571Smm spa_history_phys_t *shp = data; 224248571Smm 225248571Smm if (shp == NULL) 226248571Smm return; 227248571Smm 228248571Smm (void) printf("\t\tpool_create_len = %llu\n", 229248571Smm (u_longlong_t)shp->sh_pool_create_len); 230248571Smm (void) printf("\t\tphys_max_off = %llu\n", 231248571Smm (u_longlong_t)shp->sh_phys_max_off); 232248571Smm (void) printf("\t\tbof = %llu\n", 233248571Smm (u_longlong_t)shp->sh_bof); 234248571Smm (void) printf("\t\teof = %llu\n", 235248571Smm (u_longlong_t)shp->sh_eof); 236248571Smm (void) printf("\t\trecords_lost = %llu\n", 237248571Smm (u_longlong_t)shp->sh_records_lost); 238248571Smm} 239248571Smm 240248571Smmstatic void 241219089Spjdzdb_nicenum(uint64_t num, char *buf) 242219089Spjd{ 243219089Spjd if (dump_opt['P']) 244219089Spjd (void) sprintf(buf, "%llu", (longlong_t)num); 245219089Spjd else 246219089Spjd nicenum(num, buf); 247219089Spjd} 248219089Spjd 249249207Smmconst char histo_stars[] = "****************************************"; 250249207Smmconst int histo_width = sizeof (histo_stars) - 1; 251168404Spjd 252168404Spjdstatic void 253262093Savgdump_histogram(const uint64_t *histo, int size, int offset) 254168404Spjd{ 255168404Spjd int i; 256249207Smm int minidx = size - 1; 257168404Spjd int maxidx = 0; 258168404Spjd uint64_t max = 0; 259168404Spjd 260249207Smm for (i = 0; i < size; i++) { 261168404Spjd if (histo[i] > max) 262168404Spjd max = histo[i]; 263168404Spjd if (histo[i] > 0 && i > maxidx) 264168404Spjd maxidx = i; 265168404Spjd if (histo[i] > 0 && i < minidx) 266168404Spjd minidx = i; 267168404Spjd } 268168404Spjd 269249207Smm if (max < histo_width) 270249207Smm max = histo_width; 271168404Spjd 272249207Smm for (i = minidx; i <= maxidx; i++) { 273249207Smm (void) printf("\t\t\t%3u: %6llu %s\n", 274262093Savg i + offset, (u_longlong_t)histo[i], 275249207Smm &histo_stars[(max - histo[i]) * histo_width / max]); 276249207Smm } 277168404Spjd} 278168404Spjd 279168404Spjdstatic void 280168404Spjddump_zap_stats(objset_t *os, uint64_t object) 281168404Spjd{ 282168404Spjd int error; 283168404Spjd zap_stats_t zs; 284168404Spjd 285168404Spjd error = zap_get_stats(os, object, &zs); 286168404Spjd if (error) 287168404Spjd return; 288168404Spjd 289168404Spjd if (zs.zs_ptrtbl_len == 0) { 290168404Spjd ASSERT(zs.zs_num_blocks == 1); 291168404Spjd (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 292168404Spjd (u_longlong_t)zs.zs_blocksize, 293168404Spjd (u_longlong_t)zs.zs_num_entries); 294168404Spjd return; 295168404Spjd } 296168404Spjd 297168404Spjd (void) printf("\tFat ZAP stats:\n"); 298168404Spjd 299168404Spjd (void) printf("\t\tPointer table:\n"); 300168404Spjd (void) printf("\t\t\t%llu elements\n", 301168404Spjd (u_longlong_t)zs.zs_ptrtbl_len); 302168404Spjd (void) printf("\t\t\tzt_blk: %llu\n", 303168404Spjd (u_longlong_t)zs.zs_ptrtbl_zt_blk); 304168404Spjd (void) printf("\t\t\tzt_numblks: %llu\n", 305168404Spjd (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 306168404Spjd (void) printf("\t\t\tzt_shift: %llu\n", 307168404Spjd (u_longlong_t)zs.zs_ptrtbl_zt_shift); 308168404Spjd (void) printf("\t\t\tzt_blks_copied: %llu\n", 309168404Spjd (u_longlong_t)zs.zs_ptrtbl_blks_copied); 310168404Spjd (void) printf("\t\t\tzt_nextblk: %llu\n", 311168404Spjd (u_longlong_t)zs.zs_ptrtbl_nextblk); 312168404Spjd 313168404Spjd (void) printf("\t\tZAP entries: %llu\n", 314168404Spjd (u_longlong_t)zs.zs_num_entries); 315168404Spjd (void) printf("\t\tLeaf blocks: %llu\n", 316168404Spjd (u_longlong_t)zs.zs_num_leafs); 317168404Spjd (void) printf("\t\tTotal blocks: %llu\n", 318168404Spjd (u_longlong_t)zs.zs_num_blocks); 319168404Spjd (void) printf("\t\tzap_block_type: 0x%llx\n", 320168404Spjd (u_longlong_t)zs.zs_block_type); 321168404Spjd (void) printf("\t\tzap_magic: 0x%llx\n", 322168404Spjd (u_longlong_t)zs.zs_magic); 323168404Spjd (void) printf("\t\tzap_salt: 0x%llx\n", 324168404Spjd (u_longlong_t)zs.zs_salt); 325168404Spjd 326168404Spjd (void) printf("\t\tLeafs with 2^n pointers:\n"); 327262093Savg dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0); 328168404Spjd 329168404Spjd (void) printf("\t\tBlocks with n*5 entries:\n"); 330262093Savg dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0); 331168404Spjd 332168404Spjd (void) printf("\t\tBlocks n/10 full:\n"); 333262093Savg dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0); 334168404Spjd 335168404Spjd (void) printf("\t\tEntries with n chunks:\n"); 336262093Savg dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0); 337168404Spjd 338168404Spjd (void) printf("\t\tBuckets with n entries:\n"); 339262093Savg dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0); 340168404Spjd} 341168404Spjd 342168404Spjd/*ARGSUSED*/ 343168404Spjdstatic void 344168404Spjddump_none(objset_t *os, uint64_t object, void *data, size_t size) 345168404Spjd{ 346168404Spjd} 347168404Spjd 348168404Spjd/*ARGSUSED*/ 349219089Spjdstatic void 350219089Spjddump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 351219089Spjd{ 352219089Spjd (void) printf("\tUNKNOWN OBJECT TYPE\n"); 353219089Spjd} 354219089Spjd 355219089Spjd/*ARGSUSED*/ 356168404Spjdvoid 357168404Spjddump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 358168404Spjd{ 359168404Spjd} 360168404Spjd 361168404Spjd/*ARGSUSED*/ 362168404Spjdstatic void 363168404Spjddump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 364168404Spjd{ 365168404Spjd} 366168404Spjd 367168404Spjd/*ARGSUSED*/ 368168404Spjdstatic void 369168404Spjddump_zap(objset_t *os, uint64_t object, void *data, size_t size) 370168404Spjd{ 371168404Spjd zap_cursor_t zc; 372168404Spjd zap_attribute_t attr; 373168404Spjd void *prop; 374168404Spjd int i; 375168404Spjd 376168404Spjd dump_zap_stats(os, object); 377168404Spjd (void) printf("\n"); 378168404Spjd 379168404Spjd for (zap_cursor_init(&zc, os, object); 380168404Spjd zap_cursor_retrieve(&zc, &attr) == 0; 381168404Spjd zap_cursor_advance(&zc)) { 382168404Spjd (void) printf("\t\t%s = ", attr.za_name); 383168404Spjd if (attr.za_num_integers == 0) { 384168404Spjd (void) printf("\n"); 385168404Spjd continue; 386168404Spjd } 387168404Spjd prop = umem_zalloc(attr.za_num_integers * 388168404Spjd attr.za_integer_length, UMEM_NOFAIL); 389168404Spjd (void) zap_lookup(os, object, attr.za_name, 390168404Spjd attr.za_integer_length, attr.za_num_integers, prop); 391168404Spjd if (attr.za_integer_length == 1) { 392168404Spjd (void) printf("%s", (char *)prop); 393168404Spjd } else { 394168404Spjd for (i = 0; i < attr.za_num_integers; i++) { 395168404Spjd switch (attr.za_integer_length) { 396168404Spjd case 2: 397168404Spjd (void) printf("%u ", 398168404Spjd ((uint16_t *)prop)[i]); 399168404Spjd break; 400168404Spjd case 4: 401168404Spjd (void) printf("%u ", 402168404Spjd ((uint32_t *)prop)[i]); 403168404Spjd break; 404168404Spjd case 8: 405168404Spjd (void) printf("%lld ", 406168404Spjd (u_longlong_t)((int64_t *)prop)[i]); 407168404Spjd break; 408168404Spjd } 409168404Spjd } 410168404Spjd } 411168404Spjd (void) printf("\n"); 412168404Spjd umem_free(prop, attr.za_num_integers * attr.za_integer_length); 413168404Spjd } 414168404Spjd zap_cursor_fini(&zc); 415168404Spjd} 416168404Spjd 417185029Spjd/*ARGSUSED*/ 418168404Spjdstatic void 419219089Spjddump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 420219089Spjd{ 421219089Spjd dump_zap_stats(os, object); 422219089Spjd /* contents are printed elsewhere, properly decoded */ 423219089Spjd} 424219089Spjd 425219089Spjd/*ARGSUSED*/ 426219089Spjdstatic void 427219089Spjddump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 428219089Spjd{ 429219089Spjd zap_cursor_t zc; 430219089Spjd zap_attribute_t attr; 431219089Spjd 432219089Spjd dump_zap_stats(os, object); 433219089Spjd (void) printf("\n"); 434219089Spjd 435219089Spjd for (zap_cursor_init(&zc, os, object); 436219089Spjd zap_cursor_retrieve(&zc, &attr) == 0; 437219089Spjd zap_cursor_advance(&zc)) { 438219089Spjd (void) printf("\t\t%s = ", attr.za_name); 439219089Spjd if (attr.za_num_integers == 0) { 440219089Spjd (void) printf("\n"); 441219089Spjd continue; 442219089Spjd } 443219089Spjd (void) printf(" %llx : [%d:%d:%d]\n", 444219089Spjd (u_longlong_t)attr.za_first_integer, 445219089Spjd (int)ATTR_LENGTH(attr.za_first_integer), 446219089Spjd (int)ATTR_BSWAP(attr.za_first_integer), 447219089Spjd (int)ATTR_NUM(attr.za_first_integer)); 448219089Spjd } 449219089Spjd zap_cursor_fini(&zc); 450219089Spjd} 451219089Spjd 452219089Spjd/*ARGSUSED*/ 453219089Spjdstatic void 454219089Spjddump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 455219089Spjd{ 456219089Spjd zap_cursor_t zc; 457219089Spjd zap_attribute_t attr; 458219089Spjd uint16_t *layout_attrs; 459219089Spjd int i; 460219089Spjd 461219089Spjd dump_zap_stats(os, object); 462219089Spjd (void) printf("\n"); 463219089Spjd 464219089Spjd for (zap_cursor_init(&zc, os, object); 465219089Spjd zap_cursor_retrieve(&zc, &attr) == 0; 466219089Spjd zap_cursor_advance(&zc)) { 467219089Spjd (void) printf("\t\t%s = [", attr.za_name); 468219089Spjd if (attr.za_num_integers == 0) { 469219089Spjd (void) printf("\n"); 470219089Spjd continue; 471219089Spjd } 472219089Spjd 473219089Spjd VERIFY(attr.za_integer_length == 2); 474219089Spjd layout_attrs = umem_zalloc(attr.za_num_integers * 475219089Spjd attr.za_integer_length, UMEM_NOFAIL); 476219089Spjd 477219089Spjd VERIFY(zap_lookup(os, object, attr.za_name, 478219089Spjd attr.za_integer_length, 479219089Spjd attr.za_num_integers, layout_attrs) == 0); 480219089Spjd 481219089Spjd for (i = 0; i != attr.za_num_integers; i++) 482219089Spjd (void) printf(" %d ", (int)layout_attrs[i]); 483219089Spjd (void) printf("]\n"); 484219089Spjd umem_free(layout_attrs, 485219089Spjd attr.za_num_integers * attr.za_integer_length); 486219089Spjd } 487219089Spjd zap_cursor_fini(&zc); 488219089Spjd} 489219089Spjd 490219089Spjd/*ARGSUSED*/ 491219089Spjdstatic void 492185029Spjddump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 493185029Spjd{ 494185029Spjd zap_cursor_t zc; 495185029Spjd zap_attribute_t attr; 496185029Spjd const char *typenames[] = { 497185029Spjd /* 0 */ "not specified", 498185029Spjd /* 1 */ "FIFO", 499185029Spjd /* 2 */ "Character Device", 500185029Spjd /* 3 */ "3 (invalid)", 501185029Spjd /* 4 */ "Directory", 502185029Spjd /* 5 */ "5 (invalid)", 503185029Spjd /* 6 */ "Block Device", 504185029Spjd /* 7 */ "7 (invalid)", 505185029Spjd /* 8 */ "Regular File", 506185029Spjd /* 9 */ "9 (invalid)", 507185029Spjd /* 10 */ "Symbolic Link", 508185029Spjd /* 11 */ "11 (invalid)", 509185029Spjd /* 12 */ "Socket", 510185029Spjd /* 13 */ "Door", 511185029Spjd /* 14 */ "Event Port", 512185029Spjd /* 15 */ "15 (invalid)", 513185029Spjd }; 514185029Spjd 515185029Spjd dump_zap_stats(os, object); 516185029Spjd (void) printf("\n"); 517185029Spjd 518185029Spjd for (zap_cursor_init(&zc, os, object); 519185029Spjd zap_cursor_retrieve(&zc, &attr) == 0; 520185029Spjd zap_cursor_advance(&zc)) { 521185029Spjd (void) printf("\t\t%s = %lld (type: %s)\n", 522185029Spjd attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 523185029Spjd typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 524185029Spjd } 525185029Spjd zap_cursor_fini(&zc); 526185029Spjd} 527185029Spjd 528262093Savgint 529262093Savgget_dtl_refcount(vdev_t *vd) 530262093Savg{ 531262093Savg int refcount = 0; 532262093Savg 533262093Savg if (vd->vdev_ops->vdev_op_leaf) { 534262093Savg space_map_t *sm = vd->vdev_dtl_sm; 535262093Savg 536262093Savg if (sm != NULL && 537262093Savg sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 538262093Savg return (1); 539262093Savg return (0); 540262093Savg } 541262093Savg 542262093Savg for (int c = 0; c < vd->vdev_children; c++) 543262093Savg refcount += get_dtl_refcount(vd->vdev_child[c]); 544262093Savg return (refcount); 545262093Savg} 546262093Savg 547262093Savgint 548262093Savgget_metaslab_refcount(vdev_t *vd) 549262093Savg{ 550262093Savg int refcount = 0; 551262093Savg 552269773Sdelphij if (vd->vdev_top == vd && !vd->vdev_removing) { 553262093Savg for (int m = 0; m < vd->vdev_ms_count; m++) { 554262093Savg space_map_t *sm = vd->vdev_ms[m]->ms_sm; 555262093Savg 556262093Savg if (sm != NULL && 557262093Savg sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 558262093Savg refcount++; 559262093Savg } 560262093Savg } 561262093Savg for (int c = 0; c < vd->vdev_children; c++) 562262093Savg refcount += get_metaslab_refcount(vd->vdev_child[c]); 563262093Savg 564262093Savg return (refcount); 565262093Savg} 566262093Savg 567262093Savgstatic int 568262093Savgverify_spacemap_refcounts(spa_t *spa) 569262093Savg{ 570263390Sdelphij uint64_t expected_refcount = 0; 571263390Sdelphij uint64_t actual_refcount; 572262093Savg 573263390Sdelphij (void) feature_get_refcount(spa, 574263390Sdelphij &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM], 575263390Sdelphij &expected_refcount); 576262093Savg actual_refcount = get_dtl_refcount(spa->spa_root_vdev); 577262093Savg actual_refcount += get_metaslab_refcount(spa->spa_root_vdev); 578262093Savg 579262093Savg if (expected_refcount != actual_refcount) { 580263390Sdelphij (void) printf("space map refcount mismatch: expected %lld != " 581263390Sdelphij "actual %lld\n", 582263390Sdelphij (longlong_t)expected_refcount, 583263390Sdelphij (longlong_t)actual_refcount); 584262093Savg return (2); 585262093Savg } 586262093Savg return (0); 587262093Savg} 588262093Savg 589185029Spjdstatic void 590262093Savgdump_spacemap(objset_t *os, space_map_t *sm) 591168404Spjd{ 592168404Spjd uint64_t alloc, offset, entry; 593168404Spjd char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 594168404Spjd "INVALID", "INVALID", "INVALID", "INVALID" }; 595168404Spjd 596262093Savg if (sm == NULL) 597168404Spjd return; 598168404Spjd 599168404Spjd /* 600168404Spjd * Print out the freelist entries in both encoded and decoded form. 601168404Spjd */ 602168404Spjd alloc = 0; 603262093Savg for (offset = 0; offset < space_map_length(sm); 604262093Savg offset += sizeof (entry)) { 605262093Savg uint8_t mapshift = sm->sm_shift; 606262093Savg 607262093Savg VERIFY0(dmu_read(os, space_map_object(sm), offset, 608209962Smm sizeof (entry), &entry, DMU_READ_PREFETCH)); 609168404Spjd if (SM_DEBUG_DECODE(entry)) { 610262093Savg 611219089Spjd (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 612168404Spjd (u_longlong_t)(offset / sizeof (entry)), 613168404Spjd ddata[SM_DEBUG_ACTION_DECODE(entry)], 614168404Spjd (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 615168404Spjd (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 616168404Spjd } else { 617219089Spjd (void) printf("\t [%6llu] %c range:" 618219089Spjd " %010llx-%010llx size: %06llx\n", 619168404Spjd (u_longlong_t)(offset / sizeof (entry)), 620168404Spjd SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 621168404Spjd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 622262093Savg mapshift) + sm->sm_start), 623168404Spjd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 624262093Savg mapshift) + sm->sm_start + 625262093Savg (SM_RUN_DECODE(entry) << mapshift)), 626168404Spjd (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 627168404Spjd if (SM_TYPE_DECODE(entry) == SM_ALLOC) 628168404Spjd alloc += SM_RUN_DECODE(entry) << mapshift; 629168404Spjd else 630168404Spjd alloc -= SM_RUN_DECODE(entry) << mapshift; 631168404Spjd } 632168404Spjd } 633262093Savg if (alloc != space_map_allocated(sm)) { 634168404Spjd (void) printf("space_map_object alloc (%llu) INCONSISTENT " 635168404Spjd "with space map summary (%llu)\n", 636262093Savg (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc); 637168404Spjd } 638168404Spjd} 639168404Spjd 640168404Spjdstatic void 641209962Smmdump_metaslab_stats(metaslab_t *msp) 642209962Smm{ 643219089Spjd char maxbuf[32]; 644262093Savg range_tree_t *rt = msp->ms_tree; 645262093Savg avl_tree_t *t = &msp->ms_size_tree; 646262093Savg int free_pct = range_tree_space(rt) * 100 / msp->ms_size; 647209962Smm 648262093Savg zdb_nicenum(metaslab_block_maxsize(msp), maxbuf); 649209962Smm 650219089Spjd (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 651209962Smm "segments", avl_numnodes(t), "maxsize", maxbuf, 652209962Smm "freepct", free_pct); 653262093Savg (void) printf("\tIn-memory histogram:\n"); 654262093Savg dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 655209962Smm} 656209962Smm 657209962Smmstatic void 658168404Spjddump_metaslab(metaslab_t *msp) 659168404Spjd{ 660168404Spjd vdev_t *vd = msp->ms_group->mg_vd; 661168404Spjd spa_t *spa = vd->vdev_spa; 662262093Savg space_map_t *sm = msp->ms_sm; 663219089Spjd char freebuf[32]; 664168404Spjd 665262093Savg zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf); 666168404Spjd 667168404Spjd (void) printf( 668219089Spjd "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 669262093Savg (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start, 670262093Savg (u_longlong_t)space_map_object(sm), freebuf); 671168404Spjd 672262093Savg if (dump_opt['m'] > 2 && !dump_opt['L']) { 673209962Smm mutex_enter(&msp->ms_lock); 674262093Savg metaslab_load_wait(msp); 675262093Savg if (!msp->ms_loaded) { 676262093Savg VERIFY0(metaslab_load(msp)); 677262093Savg range_tree_stat_verify(msp->ms_tree); 678262093Savg } 679209962Smm dump_metaslab_stats(msp); 680262093Savg metaslab_unload(msp); 681209962Smm mutex_exit(&msp->ms_lock); 682209962Smm } 683168404Spjd 684262093Savg if (dump_opt['m'] > 1 && sm != NULL && 685263390Sdelphij spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { 686262093Savg /* 687262093Savg * The space map histogram represents free space in chunks 688262093Savg * of sm_shift (i.e. bucket 0 refers to 2^sm_shift). 689262093Savg */ 690269773Sdelphij (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n", 691269773Sdelphij (u_longlong_t)msp->ms_fragmentation); 692262093Savg dump_histogram(sm->sm_phys->smp_histogram, 693269773Sdelphij SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift); 694262093Savg } 695209962Smm 696262093Savg if (dump_opt['d'] > 5 || dump_opt['m'] > 3) { 697262093Savg ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift)); 698262093Savg 699209962Smm mutex_enter(&msp->ms_lock); 700262093Savg dump_spacemap(spa->spa_meta_objset, msp->ms_sm); 701209962Smm mutex_exit(&msp->ms_lock); 702209962Smm } 703168404Spjd} 704168404Spjd 705168404Spjdstatic void 706219089Spjdprint_vdev_metaslab_header(vdev_t *vd) 707219089Spjd{ 708219089Spjd (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 709219089Spjd (u_longlong_t)vd->vdev_id, 710219089Spjd "metaslabs", (u_longlong_t)vd->vdev_ms_count, 711219089Spjd "offset", "spacemap", "free"); 712219089Spjd (void) printf("\t%15s %19s %15s %10s\n", 713219089Spjd "---------------", "-------------------", 714219089Spjd "---------------", "-------------"); 715219089Spjd} 716219089Spjd 717219089Spjdstatic void 718269773Sdelphijdump_metaslab_groups(spa_t *spa) 719269773Sdelphij{ 720269773Sdelphij vdev_t *rvd = spa->spa_root_vdev; 721269773Sdelphij metaslab_class_t *mc = spa_normal_class(spa); 722269773Sdelphij uint64_t fragmentation; 723269773Sdelphij 724269773Sdelphij metaslab_class_histogram_verify(mc); 725269773Sdelphij 726269773Sdelphij for (int c = 0; c < rvd->vdev_children; c++) { 727269773Sdelphij vdev_t *tvd = rvd->vdev_child[c]; 728269773Sdelphij metaslab_group_t *mg = tvd->vdev_mg; 729269773Sdelphij 730269773Sdelphij if (mg->mg_class != mc) 731269773Sdelphij continue; 732269773Sdelphij 733269773Sdelphij metaslab_group_histogram_verify(mg); 734269773Sdelphij mg->mg_fragmentation = metaslab_group_fragmentation(mg); 735269773Sdelphij 736269773Sdelphij (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t" 737269773Sdelphij "fragmentation", 738269773Sdelphij (u_longlong_t)tvd->vdev_id, 739269773Sdelphij (u_longlong_t)tvd->vdev_ms_count); 740269773Sdelphij if (mg->mg_fragmentation == ZFS_FRAG_INVALID) { 741269773Sdelphij (void) printf("%3s\n", "-"); 742269773Sdelphij } else { 743269773Sdelphij (void) printf("%3llu%%\n", 744269773Sdelphij (u_longlong_t)mg->mg_fragmentation); 745269773Sdelphij } 746269773Sdelphij dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 747269773Sdelphij } 748269773Sdelphij 749269773Sdelphij (void) printf("\tpool %s\tfragmentation", spa_name(spa)); 750269773Sdelphij fragmentation = metaslab_class_fragmentation(mc); 751269773Sdelphij if (fragmentation == ZFS_FRAG_INVALID) 752269773Sdelphij (void) printf("\t%3s\n", "-"); 753269773Sdelphij else 754269773Sdelphij (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation); 755269773Sdelphij dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 756269773Sdelphij} 757269773Sdelphij 758269773Sdelphijstatic void 759168404Spjddump_metaslabs(spa_t *spa) 760168404Spjd{ 761219089Spjd vdev_t *vd, *rvd = spa->spa_root_vdev; 762219089Spjd uint64_t m, c = 0, children = rvd->vdev_children; 763168404Spjd 764168404Spjd (void) printf("\nMetaslabs:\n"); 765168404Spjd 766219089Spjd if (!dump_opt['d'] && zopt_objects > 0) { 767219089Spjd c = zopt_object[0]; 768219089Spjd 769219089Spjd if (c >= children) 770219089Spjd (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 771219089Spjd 772219089Spjd if (zopt_objects > 1) { 773219089Spjd vd = rvd->vdev_child[c]; 774219089Spjd print_vdev_metaslab_header(vd); 775219089Spjd 776219089Spjd for (m = 1; m < zopt_objects; m++) { 777219089Spjd if (zopt_object[m] < vd->vdev_ms_count) 778219089Spjd dump_metaslab( 779219089Spjd vd->vdev_ms[zopt_object[m]]); 780219089Spjd else 781219089Spjd (void) fprintf(stderr, "bad metaslab " 782219089Spjd "number %llu\n", 783219089Spjd (u_longlong_t)zopt_object[m]); 784219089Spjd } 785219089Spjd (void) printf("\n"); 786219089Spjd return; 787219089Spjd } 788219089Spjd children = c + 1; 789219089Spjd } 790219089Spjd for (; c < children; c++) { 791168404Spjd vd = rvd->vdev_child[c]; 792219089Spjd print_vdev_metaslab_header(vd); 793168404Spjd 794168404Spjd for (m = 0; m < vd->vdev_ms_count; m++) 795168404Spjd dump_metaslab(vd->vdev_ms[m]); 796168404Spjd (void) printf("\n"); 797168404Spjd } 798168404Spjd} 799168404Spjd 800168404Spjdstatic void 801219089Spjddump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 802219089Spjd{ 803219089Spjd const ddt_phys_t *ddp = dde->dde_phys; 804219089Spjd const ddt_key_t *ddk = &dde->dde_key; 805219089Spjd char *types[4] = { "ditto", "single", "double", "triple" }; 806219089Spjd char blkbuf[BP_SPRINTF_LEN]; 807219089Spjd blkptr_t blk; 808219089Spjd 809219089Spjd for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 810219089Spjd if (ddp->ddp_phys_birth == 0) 811219089Spjd continue; 812219089Spjd ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 813263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk); 814219089Spjd (void) printf("index %llx refcnt %llu %s %s\n", 815219089Spjd (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 816219089Spjd types[p], blkbuf); 817219089Spjd } 818219089Spjd} 819219089Spjd 820219089Spjdstatic void 821219089Spjddump_dedup_ratio(const ddt_stat_t *dds) 822219089Spjd{ 823219089Spjd double rL, rP, rD, D, dedup, compress, copies; 824219089Spjd 825219089Spjd if (dds->dds_blocks == 0) 826219089Spjd return; 827219089Spjd 828219089Spjd rL = (double)dds->dds_ref_lsize; 829219089Spjd rP = (double)dds->dds_ref_psize; 830219089Spjd rD = (double)dds->dds_ref_dsize; 831219089Spjd D = (double)dds->dds_dsize; 832219089Spjd 833219089Spjd dedup = rD / D; 834219089Spjd compress = rL / rP; 835219089Spjd copies = rD / rP; 836219089Spjd 837219089Spjd (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 838219089Spjd "dedup * compress / copies = %.2f\n\n", 839219089Spjd dedup, compress, copies, dedup * compress / copies); 840219089Spjd} 841219089Spjd 842219089Spjdstatic void 843219089Spjddump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 844219089Spjd{ 845219089Spjd char name[DDT_NAMELEN]; 846219089Spjd ddt_entry_t dde; 847219089Spjd uint64_t walk = 0; 848219089Spjd dmu_object_info_t doi; 849219089Spjd uint64_t count, dspace, mspace; 850219089Spjd int error; 851219089Spjd 852219089Spjd error = ddt_object_info(ddt, type, class, &doi); 853219089Spjd 854219089Spjd if (error == ENOENT) 855219089Spjd return; 856219089Spjd ASSERT(error == 0); 857219089Spjd 858245264Sdelphij error = ddt_object_count(ddt, type, class, &count); 859245264Sdelphij ASSERT(error == 0); 860245264Sdelphij if (count == 0) 861219089Spjd return; 862219089Spjd 863219089Spjd dspace = doi.doi_physical_blocks_512 << 9; 864219089Spjd mspace = doi.doi_fill_count * doi.doi_data_block_size; 865219089Spjd 866219089Spjd ddt_object_name(ddt, type, class, name); 867219089Spjd 868219089Spjd (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 869219089Spjd name, 870219089Spjd (u_longlong_t)count, 871219089Spjd (u_longlong_t)(dspace / count), 872219089Spjd (u_longlong_t)(mspace / count)); 873219089Spjd 874219089Spjd if (dump_opt['D'] < 3) 875219089Spjd return; 876219089Spjd 877219089Spjd zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 878219089Spjd 879219089Spjd if (dump_opt['D'] < 4) 880219089Spjd return; 881219089Spjd 882219089Spjd if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 883219089Spjd return; 884219089Spjd 885219089Spjd (void) printf("%s contents:\n\n", name); 886219089Spjd 887219089Spjd while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 888219089Spjd dump_dde(ddt, &dde, walk); 889219089Spjd 890219089Spjd ASSERT(error == ENOENT); 891219089Spjd 892219089Spjd (void) printf("\n"); 893219089Spjd} 894219089Spjd 895219089Spjdstatic void 896219089Spjddump_all_ddts(spa_t *spa) 897219089Spjd{ 898219089Spjd ddt_histogram_t ddh_total = { 0 }; 899219089Spjd ddt_stat_t dds_total = { 0 }; 900219089Spjd 901219089Spjd for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 902219089Spjd ddt_t *ddt = spa->spa_ddt[c]; 903219089Spjd for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 904219089Spjd for (enum ddt_class class = 0; class < DDT_CLASSES; 905219089Spjd class++) { 906219089Spjd dump_ddt(ddt, type, class); 907219089Spjd } 908219089Spjd } 909219089Spjd } 910219089Spjd 911219089Spjd ddt_get_dedup_stats(spa, &dds_total); 912219089Spjd 913219089Spjd if (dds_total.dds_blocks == 0) { 914219089Spjd (void) printf("All DDTs are empty\n"); 915219089Spjd return; 916219089Spjd } 917219089Spjd 918219089Spjd (void) printf("\n"); 919219089Spjd 920219089Spjd if (dump_opt['D'] > 1) { 921219089Spjd (void) printf("DDT histogram (aggregated over all DDTs):\n"); 922219089Spjd ddt_get_dedup_histogram(spa, &ddh_total); 923219089Spjd zpool_dump_ddt(&dds_total, &ddh_total); 924219089Spjd } 925219089Spjd 926219089Spjd dump_dedup_ratio(&dds_total); 927219089Spjd} 928219089Spjd 929219089Spjdstatic void 930262093Savgdump_dtl_seg(void *arg, uint64_t start, uint64_t size) 931209962Smm{ 932262093Savg char *prefix = arg; 933209962Smm 934209962Smm (void) printf("%s [%llu,%llu) length %llu\n", 935209962Smm prefix, 936209962Smm (u_longlong_t)start, 937209962Smm (u_longlong_t)(start + size), 938209962Smm (u_longlong_t)(size)); 939209962Smm} 940209962Smm 941209962Smmstatic void 942168404Spjddump_dtl(vdev_t *vd, int indent) 943168404Spjd{ 944209962Smm spa_t *spa = vd->vdev_spa; 945209962Smm boolean_t required; 946209962Smm char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 947209962Smm char prefix[256]; 948168404Spjd 949219089Spjd spa_vdev_state_enter(spa, SCL_NONE); 950209962Smm required = vdev_dtl_required(vd); 951209962Smm (void) spa_vdev_state_exit(spa, NULL, 0); 952209962Smm 953168404Spjd if (indent == 0) 954168404Spjd (void) printf("\nDirty time logs:\n\n"); 955168404Spjd 956209962Smm (void) printf("\t%*s%s [%s]\n", indent, "", 957185029Spjd vd->vdev_path ? vd->vdev_path : 958209962Smm vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 959209962Smm required ? "DTL-required" : "DTL-expendable"); 960168404Spjd 961209962Smm for (int t = 0; t < DTL_TYPES; t++) { 962262093Savg range_tree_t *rt = vd->vdev_dtl[t]; 963262093Savg if (range_tree_space(rt) == 0) 964209962Smm continue; 965209962Smm (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 966209962Smm indent + 2, "", name[t]); 967262093Savg mutex_enter(rt->rt_lock); 968262093Savg range_tree_walk(rt, dump_dtl_seg, prefix); 969262093Savg mutex_exit(rt->rt_lock); 970209962Smm if (dump_opt['d'] > 5 && vd->vdev_children == 0) 971262093Savg dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm); 972168404Spjd } 973168404Spjd 974209962Smm for (int c = 0; c < vd->vdev_children; c++) 975168404Spjd dump_dtl(vd->vdev_child[c], indent + 4); 976168404Spjd} 977168404Spjd 978265039Sdelphij/* from spa_history.c: spa_history_create_obj() */ 979265039Sdelphij#define HIS_BUF_LEN_DEF (128 << 10) 980265039Sdelphij#define HIS_BUF_LEN_MAX (1 << 30) 981265039Sdelphij 982219089Spjdstatic void 983219089Spjddump_history(spa_t *spa) 984219089Spjd{ 985219089Spjd nvlist_t **events = NULL; 986265039Sdelphij char *buf = NULL; 987265039Sdelphij uint64_t bufsize = HIS_BUF_LEN_DEF; 988219089Spjd uint64_t resid, len, off = 0; 989219089Spjd uint_t num = 0; 990219089Spjd int error; 991219089Spjd time_t tsec; 992219089Spjd struct tm t; 993219089Spjd char tbuf[30]; 994219089Spjd char internalstr[MAXPATHLEN]; 995219089Spjd 996265039Sdelphij if ((buf = malloc(bufsize)) == NULL) 997265039Sdelphij (void) fprintf(stderr, "Unable to read history: " 998265039Sdelphij "out of memory\n"); 999219089Spjd do { 1000265039Sdelphij len = bufsize; 1001219089Spjd 1002219089Spjd if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 1003219089Spjd (void) fprintf(stderr, "Unable to read history: " 1004219089Spjd "error %d\n", error); 1005219089Spjd return; 1006219089Spjd } 1007219089Spjd 1008219089Spjd if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 1009219089Spjd break; 1010265039Sdelphij off -= resid; 1011219089Spjd 1012265039Sdelphij /* 1013265039Sdelphij * If the history block is too big, double the buffer 1014265039Sdelphij * size and try again. 1015265039Sdelphij */ 1016265039Sdelphij if (resid == len) { 1017265039Sdelphij free(buf); 1018265039Sdelphij buf = NULL; 1019265039Sdelphij 1020265039Sdelphij bufsize <<= 1; 1021265039Sdelphij if ((bufsize >= HIS_BUF_LEN_MAX) || 1022265039Sdelphij ((buf = malloc(bufsize)) == NULL)) { 1023265039Sdelphij (void) fprintf(stderr, "Unable to read history: " 1024265039Sdelphij "out of memory\n"); 1025265039Sdelphij return; 1026265039Sdelphij } 1027265039Sdelphij } 1028219089Spjd } while (len != 0); 1029265039Sdelphij free(buf); 1030219089Spjd 1031219089Spjd (void) printf("\nHistory:\n"); 1032219089Spjd for (int i = 0; i < num; i++) { 1033219089Spjd uint64_t time, txg, ievent; 1034219089Spjd char *cmd, *intstr; 1035248571Smm boolean_t printed = B_FALSE; 1036219089Spjd 1037219089Spjd if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 1038219089Spjd &time) != 0) 1039248571Smm goto next; 1040219089Spjd if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 1041219089Spjd &cmd) != 0) { 1042219089Spjd if (nvlist_lookup_uint64(events[i], 1043219089Spjd ZPOOL_HIST_INT_EVENT, &ievent) != 0) 1044248571Smm goto next; 1045219089Spjd verify(nvlist_lookup_uint64(events[i], 1046219089Spjd ZPOOL_HIST_TXG, &txg) == 0); 1047219089Spjd verify(nvlist_lookup_string(events[i], 1048219089Spjd ZPOOL_HIST_INT_STR, &intstr) == 0); 1049248571Smm if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 1050248571Smm goto next; 1051219089Spjd 1052219089Spjd (void) snprintf(internalstr, 1053219089Spjd sizeof (internalstr), 1054219089Spjd "[internal %s txg:%lld] %s", 1055219089Spjd zfs_history_event_names[ievent], txg, 1056219089Spjd intstr); 1057219089Spjd cmd = internalstr; 1058219089Spjd } 1059219089Spjd tsec = time; 1060219089Spjd (void) localtime_r(&tsec, &t); 1061219089Spjd (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 1062219089Spjd (void) printf("%s %s\n", tbuf, cmd); 1063248571Smm printed = B_TRUE; 1064248571Smm 1065248571Smmnext: 1066248571Smm if (dump_opt['h'] > 1) { 1067248571Smm if (!printed) 1068248571Smm (void) printf("unrecognized record:\n"); 1069248571Smm dump_nvlist(events[i], 2); 1070248571Smm } 1071219089Spjd } 1072219089Spjd} 1073219089Spjd 1074168404Spjd/*ARGSUSED*/ 1075168404Spjdstatic void 1076168404Spjddump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 1077168404Spjd{ 1078168404Spjd} 1079168404Spjd 1080168404Spjdstatic uint64_t 1081268657Sdelphijblkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, 1082268657Sdelphij const zbookmark_phys_t *zb) 1083168404Spjd{ 1084219089Spjd if (dnp == NULL) { 1085219089Spjd ASSERT(zb->zb_level < 0); 1086219089Spjd if (zb->zb_object == 0) 1087219089Spjd return (zb->zb_blkid); 1088219089Spjd return (zb->zb_blkid * BP_GET_LSIZE(bp)); 1089219089Spjd } 1090168404Spjd 1091219089Spjd ASSERT(zb->zb_level >= 0); 1092219089Spjd 1093219089Spjd return ((zb->zb_blkid << 1094219089Spjd (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 1095168404Spjd dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 1096168404Spjd} 1097168404Spjd 1098168404Spjdstatic void 1099263397Sdelphijsnprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp) 1100168404Spjd{ 1101219089Spjd const dva_t *dva = bp->blk_dva; 1102219089Spjd int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 1103168404Spjd 1104249207Smm if (dump_opt['b'] >= 6) { 1105263397Sdelphij snprintf_blkptr(blkbuf, buflen, bp); 1106219089Spjd return; 1107219089Spjd } 1108219089Spjd 1109268649Sdelphij if (BP_IS_EMBEDDED(bp)) { 1110268649Sdelphij (void) sprintf(blkbuf, 1111268649Sdelphij "EMBEDDED et=%u %llxL/%llxP B=%llu", 1112268649Sdelphij (int)BPE_GET_ETYPE(bp), 1113268649Sdelphij (u_longlong_t)BPE_GET_LSIZE(bp), 1114268649Sdelphij (u_longlong_t)BPE_GET_PSIZE(bp), 1115268649Sdelphij (u_longlong_t)bp->blk_birth); 1116268649Sdelphij return; 1117268649Sdelphij } 1118268649Sdelphij 1119168404Spjd blkbuf[0] = '\0'; 1120219089Spjd for (int i = 0; i < ndvas; i++) 1121263397Sdelphij (void) snprintf(blkbuf + strlen(blkbuf), 1122263397Sdelphij buflen - strlen(blkbuf), "%llu:%llx:%llx ", 1123168404Spjd (u_longlong_t)DVA_GET_VDEV(&dva[i]), 1124168404Spjd (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 1125168404Spjd (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 1126168404Spjd 1127263397Sdelphij if (BP_IS_HOLE(bp)) { 1128263397Sdelphij (void) snprintf(blkbuf + strlen(blkbuf), 1129263397Sdelphij buflen - strlen(blkbuf), "B=%llu", 1130263397Sdelphij (u_longlong_t)bp->blk_birth); 1131263397Sdelphij } else { 1132263397Sdelphij (void) snprintf(blkbuf + strlen(blkbuf), 1133263397Sdelphij buflen - strlen(blkbuf), 1134263397Sdelphij "%llxL/%llxP F=%llu B=%llu/%llu", 1135263397Sdelphij (u_longlong_t)BP_GET_LSIZE(bp), 1136263397Sdelphij (u_longlong_t)BP_GET_PSIZE(bp), 1137268649Sdelphij (u_longlong_t)BP_GET_FILL(bp), 1138263397Sdelphij (u_longlong_t)bp->blk_birth, 1139263397Sdelphij (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 1140263397Sdelphij } 1141168404Spjd} 1142168404Spjd 1143208047Smmstatic void 1144268657Sdelphijprint_indirect(blkptr_t *bp, const zbookmark_phys_t *zb, 1145208047Smm const dnode_phys_t *dnp) 1146168404Spjd{ 1147208047Smm char blkbuf[BP_SPRINTF_LEN]; 1148168404Spjd int l; 1149168404Spjd 1150268649Sdelphij if (!BP_IS_EMBEDDED(bp)) { 1151268649Sdelphij ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 1152268649Sdelphij ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 1153268649Sdelphij } 1154168404Spjd 1155219089Spjd (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 1156168404Spjd 1157208047Smm ASSERT(zb->zb_level >= 0); 1158168404Spjd 1159208047Smm for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 1160208047Smm if (l == zb->zb_level) { 1161208047Smm (void) printf("L%llx", (u_longlong_t)zb->zb_level); 1162208047Smm } else { 1163208047Smm (void) printf(" "); 1164168404Spjd } 1165168404Spjd } 1166168404Spjd 1167263397Sdelphij snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1168208047Smm (void) printf("%s\n", blkbuf); 1169208047Smm} 1170208047Smm 1171208047Smmstatic int 1172208047Smmvisit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1173268657Sdelphij blkptr_t *bp, const zbookmark_phys_t *zb) 1174208047Smm{ 1175219089Spjd int err = 0; 1176208047Smm 1177208047Smm if (bp->blk_birth == 0) 1178208047Smm return (0); 1179208047Smm 1180208047Smm print_indirect(bp, zb, dnp); 1181208047Smm 1182263397Sdelphij if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) { 1183208047Smm uint32_t flags = ARC_WAIT; 1184208047Smm int i; 1185208047Smm blkptr_t *cbp; 1186208047Smm int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1187208047Smm arc_buf_t *buf; 1188168404Spjd uint64_t fill = 0; 1189168404Spjd 1190246666Smm err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 1191208047Smm ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1192208047Smm if (err) 1193208047Smm return (err); 1194219089Spjd ASSERT(buf->b_data); 1195168404Spjd 1196208047Smm /* recursively visit blocks below this */ 1197208047Smm cbp = buf->b_data; 1198208047Smm for (i = 0; i < epb; i++, cbp++) { 1199268657Sdelphij zbookmark_phys_t czb; 1200168404Spjd 1201208047Smm SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1202208047Smm zb->zb_level - 1, 1203208047Smm zb->zb_blkid * epb + i); 1204208047Smm err = visit_indirect(spa, dnp, cbp, &czb); 1205208047Smm if (err) 1206208047Smm break; 1207268649Sdelphij fill += BP_GET_FILL(cbp); 1208168404Spjd } 1209209962Smm if (!err) 1210268649Sdelphij ASSERT3U(fill, ==, BP_GET_FILL(bp)); 1211208047Smm (void) arc_buf_remove_ref(buf, &buf); 1212168404Spjd } 1213168404Spjd 1214208047Smm return (err); 1215168404Spjd} 1216168404Spjd 1217168404Spjd/*ARGSUSED*/ 1218168404Spjdstatic void 1219208047Smmdump_indirect(dnode_t *dn) 1220168404Spjd{ 1221208047Smm dnode_phys_t *dnp = dn->dn_phys; 1222208047Smm int j; 1223268657Sdelphij zbookmark_phys_t czb; 1224168404Spjd 1225168404Spjd (void) printf("Indirect blocks:\n"); 1226168404Spjd 1227219089Spjd SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1228208047Smm dn->dn_object, dnp->dn_nlevels - 1, 0); 1229208047Smm for (j = 0; j < dnp->dn_nblkptr; j++) { 1230208047Smm czb.zb_blkid = j; 1231219089Spjd (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1232208047Smm &dnp->dn_blkptr[j], &czb); 1233208047Smm } 1234168404Spjd 1235168404Spjd (void) printf("\n"); 1236168404Spjd} 1237168404Spjd 1238168404Spjd/*ARGSUSED*/ 1239168404Spjdstatic void 1240168404Spjddump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1241168404Spjd{ 1242168404Spjd dsl_dir_phys_t *dd = data; 1243168404Spjd time_t crtime; 1244219089Spjd char nice[32]; 1245168404Spjd 1246168404Spjd if (dd == NULL) 1247168404Spjd return; 1248168404Spjd 1249185029Spjd ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1250168404Spjd 1251168404Spjd crtime = dd->dd_creation_time; 1252168404Spjd (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1253168404Spjd (void) printf("\t\thead_dataset_obj = %llu\n", 1254168404Spjd (u_longlong_t)dd->dd_head_dataset_obj); 1255168404Spjd (void) printf("\t\tparent_dir_obj = %llu\n", 1256168404Spjd (u_longlong_t)dd->dd_parent_obj); 1257185029Spjd (void) printf("\t\torigin_obj = %llu\n", 1258185029Spjd (u_longlong_t)dd->dd_origin_obj); 1259168404Spjd (void) printf("\t\tchild_dir_zapobj = %llu\n", 1260168404Spjd (u_longlong_t)dd->dd_child_dir_zapobj); 1261219089Spjd zdb_nicenum(dd->dd_used_bytes, nice); 1262185029Spjd (void) printf("\t\tused_bytes = %s\n", nice); 1263219089Spjd zdb_nicenum(dd->dd_compressed_bytes, nice); 1264185029Spjd (void) printf("\t\tcompressed_bytes = %s\n", nice); 1265219089Spjd zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1266185029Spjd (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1267219089Spjd zdb_nicenum(dd->dd_quota, nice); 1268185029Spjd (void) printf("\t\tquota = %s\n", nice); 1269219089Spjd zdb_nicenum(dd->dd_reserved, nice); 1270185029Spjd (void) printf("\t\treserved = %s\n", nice); 1271168404Spjd (void) printf("\t\tprops_zapobj = %llu\n", 1272168404Spjd (u_longlong_t)dd->dd_props_zapobj); 1273185029Spjd (void) printf("\t\tdeleg_zapobj = %llu\n", 1274185029Spjd (u_longlong_t)dd->dd_deleg_zapobj); 1275185029Spjd (void) printf("\t\tflags = %llx\n", 1276185029Spjd (u_longlong_t)dd->dd_flags); 1277185029Spjd 1278185029Spjd#define DO(which) \ 1279219089Spjd zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1280185029Spjd (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1281185029Spjd DO(HEAD); 1282185029Spjd DO(SNAP); 1283185029Spjd DO(CHILD); 1284185029Spjd DO(CHILD_RSRV); 1285185029Spjd DO(REFRSRV); 1286185029Spjd#undef DO 1287168404Spjd} 1288168404Spjd 1289168404Spjd/*ARGSUSED*/ 1290168404Spjdstatic void 1291168404Spjddump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1292168404Spjd{ 1293168404Spjd dsl_dataset_phys_t *ds = data; 1294168404Spjd time_t crtime; 1295219089Spjd char used[32], compressed[32], uncompressed[32], unique[32]; 1296168404Spjd char blkbuf[BP_SPRINTF_LEN]; 1297168404Spjd 1298168404Spjd if (ds == NULL) 1299168404Spjd return; 1300168404Spjd 1301168404Spjd ASSERT(size == sizeof (*ds)); 1302168404Spjd crtime = ds->ds_creation_time; 1303236884Smm zdb_nicenum(ds->ds_referenced_bytes, used); 1304219089Spjd zdb_nicenum(ds->ds_compressed_bytes, compressed); 1305219089Spjd zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1306219089Spjd zdb_nicenum(ds->ds_unique_bytes, unique); 1307263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp); 1308168404Spjd 1309185029Spjd (void) printf("\t\tdir_obj = %llu\n", 1310168404Spjd (u_longlong_t)ds->ds_dir_obj); 1311168404Spjd (void) printf("\t\tprev_snap_obj = %llu\n", 1312168404Spjd (u_longlong_t)ds->ds_prev_snap_obj); 1313168404Spjd (void) printf("\t\tprev_snap_txg = %llu\n", 1314168404Spjd (u_longlong_t)ds->ds_prev_snap_txg); 1315168404Spjd (void) printf("\t\tnext_snap_obj = %llu\n", 1316168404Spjd (u_longlong_t)ds->ds_next_snap_obj); 1317168404Spjd (void) printf("\t\tsnapnames_zapobj = %llu\n", 1318168404Spjd (u_longlong_t)ds->ds_snapnames_zapobj); 1319168404Spjd (void) printf("\t\tnum_children = %llu\n", 1320168404Spjd (u_longlong_t)ds->ds_num_children); 1321219089Spjd (void) printf("\t\tuserrefs_obj = %llu\n", 1322219089Spjd (u_longlong_t)ds->ds_userrefs_obj); 1323168404Spjd (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1324168404Spjd (void) printf("\t\tcreation_txg = %llu\n", 1325168404Spjd (u_longlong_t)ds->ds_creation_txg); 1326168404Spjd (void) printf("\t\tdeadlist_obj = %llu\n", 1327168404Spjd (u_longlong_t)ds->ds_deadlist_obj); 1328168404Spjd (void) printf("\t\tused_bytes = %s\n", used); 1329168404Spjd (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1330168404Spjd (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1331168404Spjd (void) printf("\t\tunique = %s\n", unique); 1332168404Spjd (void) printf("\t\tfsid_guid = %llu\n", 1333168404Spjd (u_longlong_t)ds->ds_fsid_guid); 1334168404Spjd (void) printf("\t\tguid = %llu\n", 1335168404Spjd (u_longlong_t)ds->ds_guid); 1336168404Spjd (void) printf("\t\tflags = %llx\n", 1337168404Spjd (u_longlong_t)ds->ds_flags); 1338185029Spjd (void) printf("\t\tnext_clones_obj = %llu\n", 1339185029Spjd (u_longlong_t)ds->ds_next_clones_obj); 1340185029Spjd (void) printf("\t\tprops_obj = %llu\n", 1341185029Spjd (u_longlong_t)ds->ds_props_obj); 1342168404Spjd (void) printf("\t\tbp = %s\n", blkbuf); 1343168404Spjd} 1344168404Spjd 1345219089Spjd/* ARGSUSED */ 1346219089Spjdstatic int 1347236884Smmdump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1348236884Smm{ 1349236884Smm char blkbuf[BP_SPRINTF_LEN]; 1350236884Smm 1351236884Smm if (bp->blk_birth != 0) { 1352263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 1353236884Smm (void) printf("\t%s\n", blkbuf); 1354236884Smm } 1355236884Smm return (0); 1356236884Smm} 1357236884Smm 1358236884Smmstatic void 1359236884Smmdump_bptree(objset_t *os, uint64_t obj, char *name) 1360236884Smm{ 1361236884Smm char bytes[32]; 1362236884Smm bptree_phys_t *bt; 1363236884Smm dmu_buf_t *db; 1364236884Smm 1365236884Smm if (dump_opt['d'] < 3) 1366236884Smm return; 1367236884Smm 1368236884Smm VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1369236884Smm bt = db->db_data; 1370236884Smm zdb_nicenum(bt->bt_bytes, bytes); 1371236884Smm (void) printf("\n %s: %llu datasets, %s\n", 1372236884Smm name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1373236884Smm dmu_buf_rele(db, FTAG); 1374236884Smm 1375236884Smm if (dump_opt['d'] < 5) 1376236884Smm return; 1377236884Smm 1378236884Smm (void) printf("\n"); 1379236884Smm 1380236884Smm (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1381236884Smm} 1382236884Smm 1383236884Smm/* ARGSUSED */ 1384236884Smmstatic int 1385219089Spjddump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1386219089Spjd{ 1387219089Spjd char blkbuf[BP_SPRINTF_LEN]; 1388219089Spjd 1389219089Spjd ASSERT(bp->blk_birth != 0); 1390263397Sdelphij snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1391219089Spjd (void) printf("\t%s\n", blkbuf); 1392219089Spjd return (0); 1393219089Spjd} 1394219089Spjd 1395168404Spjdstatic void 1396247852Smmdump_bpobj(bpobj_t *bpo, char *name, int indent) 1397168404Spjd{ 1398219089Spjd char bytes[32]; 1399219089Spjd char comp[32]; 1400219089Spjd char uncomp[32]; 1401168404Spjd 1402168404Spjd if (dump_opt['d'] < 3) 1403168404Spjd return; 1404168404Spjd 1405219089Spjd zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1406247852Smm if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 1407219089Spjd zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1408219089Spjd zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1409247852Smm (void) printf(" %*s: object %llu, %llu local blkptrs, " 1410247852Smm "%llu subobjs, %s (%s/%s comp)\n", 1411247852Smm indent * 8, name, 1412247852Smm (u_longlong_t)bpo->bpo_object, 1413247852Smm (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1414219089Spjd (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1415168404Spjd bytes, comp, uncomp); 1416247852Smm 1417247852Smm for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1418247852Smm uint64_t subobj; 1419247852Smm bpobj_t subbpo; 1420247852Smm int error; 1421247852Smm VERIFY0(dmu_read(bpo->bpo_os, 1422247852Smm bpo->bpo_phys->bpo_subobjs, 1423247852Smm i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1424247852Smm error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1425247852Smm if (error != 0) { 1426247852Smm (void) printf("ERROR %u while trying to open " 1427247852Smm "subobj id %llu\n", 1428247852Smm error, (u_longlong_t)subobj); 1429247852Smm continue; 1430247852Smm } 1431247852Smm dump_bpobj(&subbpo, "subobj", indent + 1); 1432248267Smm bpobj_close(&subbpo); 1433247852Smm } 1434168404Spjd } else { 1435247852Smm (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1436247852Smm indent * 8, name, 1437247852Smm (u_longlong_t)bpo->bpo_object, 1438247852Smm (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1439247852Smm bytes); 1440168404Spjd } 1441168404Spjd 1442219089Spjd if (dump_opt['d'] < 5) 1443168404Spjd return; 1444168404Spjd 1445168404Spjd 1446247852Smm if (indent == 0) { 1447247852Smm (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1448247852Smm (void) printf("\n"); 1449247852Smm } 1450219089Spjd} 1451168404Spjd 1452219089Spjdstatic void 1453219089Spjddump_deadlist(dsl_deadlist_t *dl) 1454219089Spjd{ 1455219089Spjd dsl_deadlist_entry_t *dle; 1456247852Smm uint64_t unused; 1457219089Spjd char bytes[32]; 1458219089Spjd char comp[32]; 1459219089Spjd char uncomp[32]; 1460219089Spjd 1461219089Spjd if (dump_opt['d'] < 3) 1462219089Spjd return; 1463219089Spjd 1464219089Spjd zdb_nicenum(dl->dl_phys->dl_used, bytes); 1465219089Spjd zdb_nicenum(dl->dl_phys->dl_comp, comp); 1466219089Spjd zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1467219089Spjd (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1468219089Spjd bytes, comp, uncomp); 1469219089Spjd 1470219089Spjd if (dump_opt['d'] < 4) 1471219089Spjd return; 1472219089Spjd 1473219089Spjd (void) printf("\n"); 1474219089Spjd 1475247852Smm /* force the tree to be loaded */ 1476247852Smm dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1477247852Smm 1478219089Spjd for (dle = avl_first(&dl->dl_tree); dle; 1479219089Spjd dle = AVL_NEXT(&dl->dl_tree, dle)) { 1480247852Smm if (dump_opt['d'] >= 5) { 1481247852Smm char buf[128]; 1482247852Smm (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ", 1483247852Smm (longlong_t)dle->dle_mintxg, 1484247852Smm (longlong_t)dle->dle_bpobj.bpo_object); 1485219089Spjd 1486247852Smm dump_bpobj(&dle->dle_bpobj, buf, 0); 1487247852Smm } else { 1488247852Smm (void) printf("mintxg %llu -> obj %llu\n", 1489247852Smm (longlong_t)dle->dle_mintxg, 1490247852Smm (longlong_t)dle->dle_bpobj.bpo_object); 1491247852Smm 1492247852Smm } 1493168404Spjd } 1494168404Spjd} 1495168404Spjd 1496185029Spjdstatic avl_tree_t idx_tree; 1497185029Spjdstatic avl_tree_t domain_tree; 1498185029Spjdstatic boolean_t fuid_table_loaded; 1499219089Spjdstatic boolean_t sa_loaded; 1500219089Spjdsa_attr_type_t *sa_attr_table; 1501185029Spjd 1502185029Spjdstatic void 1503185029Spjdfuid_table_destroy() 1504185029Spjd{ 1505185029Spjd if (fuid_table_loaded) { 1506185029Spjd zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1507185029Spjd fuid_table_loaded = B_FALSE; 1508185029Spjd } 1509185029Spjd} 1510185029Spjd 1511185029Spjd/* 1512185029Spjd * print uid or gid information. 1513185029Spjd * For normal POSIX id just the id is printed in decimal format. 1514185029Spjd * For CIFS files with FUID the fuid is printed in hex followed by 1515247852Smm * the domain-rid string. 1516185029Spjd */ 1517185029Spjdstatic void 1518185029Spjdprint_idstr(uint64_t id, const char *id_type) 1519185029Spjd{ 1520185029Spjd if (FUID_INDEX(id)) { 1521185029Spjd char *domain; 1522185029Spjd 1523185029Spjd domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1524185029Spjd (void) printf("\t%s %llx [%s-%d]\n", id_type, 1525185029Spjd (u_longlong_t)id, domain, (int)FUID_RID(id)); 1526185029Spjd } else { 1527185029Spjd (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1528185029Spjd } 1529185029Spjd 1530185029Spjd} 1531185029Spjd 1532185029Spjdstatic void 1533219089Spjddump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1534185029Spjd{ 1535185029Spjd uint32_t uid_idx, gid_idx; 1536185029Spjd 1537219089Spjd uid_idx = FUID_INDEX(uid); 1538219089Spjd gid_idx = FUID_INDEX(gid); 1539185029Spjd 1540185029Spjd /* Load domain table, if not already loaded */ 1541185029Spjd if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1542185029Spjd uint64_t fuid_obj; 1543185029Spjd 1544185029Spjd /* first find the fuid object. It lives in the master node */ 1545185029Spjd VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1546185029Spjd 8, 1, &fuid_obj) == 0); 1547209962Smm zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1548185029Spjd (void) zfs_fuid_table_load(os, fuid_obj, 1549185029Spjd &idx_tree, &domain_tree); 1550185029Spjd fuid_table_loaded = B_TRUE; 1551185029Spjd } 1552185029Spjd 1553219089Spjd print_idstr(uid, "uid"); 1554219089Spjd print_idstr(gid, "gid"); 1555185029Spjd} 1556185029Spjd 1557168404Spjd/*ARGSUSED*/ 1558168404Spjdstatic void 1559168404Spjddump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1560168404Spjd{ 1561219089Spjd char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1562219089Spjd sa_handle_t *hdl; 1563219089Spjd uint64_t xattr, rdev, gen; 1564219089Spjd uint64_t uid, gid, mode, fsize, parent, links; 1565219089Spjd uint64_t pflags; 1566219089Spjd uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1567168404Spjd time_t z_crtime, z_atime, z_mtime, z_ctime; 1568219089Spjd sa_bulk_attr_t bulk[12]; 1569219089Spjd int idx = 0; 1570168404Spjd int error; 1571168404Spjd 1572219089Spjd if (!sa_loaded) { 1573219089Spjd uint64_t sa_attrs = 0; 1574219089Spjd uint64_t version; 1575168404Spjd 1576219089Spjd VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1577219089Spjd 8, 1, &version) == 0); 1578219089Spjd if (version >= ZPL_VERSION_SA) { 1579219089Spjd VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1580219089Spjd 8, 1, &sa_attrs) == 0); 1581219089Spjd } 1582219089Spjd if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1583219089Spjd ZPL_END, &sa_attr_table)) != 0) { 1584219089Spjd (void) printf("sa_setup failed errno %d, can't " 1585219089Spjd "display znode contents\n", error); 1586219089Spjd return; 1587219089Spjd } 1588219089Spjd sa_loaded = B_TRUE; 1589219089Spjd } 1590219089Spjd 1591219089Spjd if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1592219089Spjd (void) printf("Failed to get handle for SA znode\n"); 1593219089Spjd return; 1594219089Spjd } 1595219089Spjd 1596219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1597219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1598219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1599219089Spjd &links, 8); 1600219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1601219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1602219089Spjd &mode, 8); 1603219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1604219089Spjd NULL, &parent, 8); 1605219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1606219089Spjd &fsize, 8); 1607219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1608219089Spjd acctm, 16); 1609219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1610219089Spjd modtm, 16); 1611219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1612219089Spjd crtm, 16); 1613219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1614219089Spjd chgtm, 16); 1615219089Spjd SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1616219089Spjd &pflags, 8); 1617219089Spjd 1618219089Spjd if (sa_bulk_lookup(hdl, bulk, idx)) { 1619219089Spjd (void) sa_handle_destroy(hdl); 1620219089Spjd return; 1621219089Spjd } 1622219089Spjd 1623168404Spjd error = zfs_obj_to_path(os, object, path, sizeof (path)); 1624168404Spjd if (error != 0) { 1625168404Spjd (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1626168404Spjd (u_longlong_t)object); 1627168404Spjd } 1628168404Spjd if (dump_opt['d'] < 3) { 1629168404Spjd (void) printf("\t%s\n", path); 1630219089Spjd (void) sa_handle_destroy(hdl); 1631168404Spjd return; 1632168404Spjd } 1633168404Spjd 1634219089Spjd z_crtime = (time_t)crtm[0]; 1635219089Spjd z_atime = (time_t)acctm[0]; 1636219089Spjd z_mtime = (time_t)modtm[0]; 1637219089Spjd z_ctime = (time_t)chgtm[0]; 1638168404Spjd 1639168404Spjd (void) printf("\tpath %s\n", path); 1640219089Spjd dump_uidgid(os, uid, gid); 1641168404Spjd (void) printf("\tatime %s", ctime(&z_atime)); 1642168404Spjd (void) printf("\tmtime %s", ctime(&z_mtime)); 1643168404Spjd (void) printf("\tctime %s", ctime(&z_ctime)); 1644168404Spjd (void) printf("\tcrtime %s", ctime(&z_crtime)); 1645219089Spjd (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1646219089Spjd (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1647219089Spjd (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1648219089Spjd (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1649219089Spjd (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1650219089Spjd (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1651219089Spjd if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1652219089Spjd sizeof (uint64_t)) == 0) 1653219089Spjd (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1654219089Spjd if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1655219089Spjd sizeof (uint64_t)) == 0) 1656219089Spjd (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1657219089Spjd sa_handle_destroy(hdl); 1658168404Spjd} 1659168404Spjd 1660168404Spjd/*ARGSUSED*/ 1661168404Spjdstatic void 1662168404Spjddump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1663168404Spjd{ 1664168404Spjd} 1665168404Spjd 1666168404Spjd/*ARGSUSED*/ 1667168404Spjdstatic void 1668168404Spjddump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1669168404Spjd{ 1670168404Spjd} 1671168404Spjd 1672219089Spjdstatic object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1673168404Spjd dump_none, /* unallocated */ 1674168404Spjd dump_zap, /* object directory */ 1675168404Spjd dump_uint64, /* object array */ 1676168404Spjd dump_none, /* packed nvlist */ 1677168404Spjd dump_packed_nvlist, /* packed nvlist size */ 1678168404Spjd dump_none, /* bplist */ 1679168404Spjd dump_none, /* bplist header */ 1680168404Spjd dump_none, /* SPA space map header */ 1681168404Spjd dump_none, /* SPA space map */ 1682168404Spjd dump_none, /* ZIL intent log */ 1683168404Spjd dump_dnode, /* DMU dnode */ 1684168404Spjd dump_dmu_objset, /* DMU objset */ 1685168404Spjd dump_dsl_dir, /* DSL directory */ 1686168404Spjd dump_zap, /* DSL directory child map */ 1687168404Spjd dump_zap, /* DSL dataset snap map */ 1688168404Spjd dump_zap, /* DSL props */ 1689168404Spjd dump_dsl_dataset, /* DSL dataset */ 1690168404Spjd dump_znode, /* ZFS znode */ 1691185029Spjd dump_acl, /* ZFS V0 ACL */ 1692168404Spjd dump_uint8, /* ZFS plain file */ 1693185029Spjd dump_zpldir, /* ZFS directory */ 1694168404Spjd dump_zap, /* ZFS master node */ 1695168404Spjd dump_zap, /* ZFS delete queue */ 1696168404Spjd dump_uint8, /* zvol object */ 1697168404Spjd dump_zap, /* zvol prop */ 1698168404Spjd dump_uint8, /* other uint8[] */ 1699168404Spjd dump_uint64, /* other uint64[] */ 1700168404Spjd dump_zap, /* other ZAP */ 1701168404Spjd dump_zap, /* persistent error log */ 1702168404Spjd dump_uint8, /* SPA history */ 1703248571Smm dump_history_offsets, /* SPA history offsets */ 1704168404Spjd dump_zap, /* Pool properties */ 1705185029Spjd dump_zap, /* DSL permissions */ 1706185029Spjd dump_acl, /* ZFS ACL */ 1707185029Spjd dump_uint8, /* ZFS SYSACL */ 1708185029Spjd dump_none, /* FUID nvlist */ 1709185029Spjd dump_packed_nvlist, /* FUID nvlist size */ 1710185029Spjd dump_zap, /* DSL dataset next clones */ 1711185029Spjd dump_zap, /* DSL scrub queue */ 1712209962Smm dump_zap, /* ZFS user/group used */ 1713209962Smm dump_zap, /* ZFS user/group quota */ 1714219089Spjd dump_zap, /* snapshot refcount tags */ 1715219089Spjd dump_ddt_zap, /* DDT ZAP object */ 1716219089Spjd dump_zap, /* DDT statistics */ 1717219089Spjd dump_znode, /* SA object */ 1718219089Spjd dump_zap, /* SA Master Node */ 1719219089Spjd dump_sa_attrs, /* SA attribute registration */ 1720219089Spjd dump_sa_layouts, /* SA attribute layouts */ 1721219089Spjd dump_zap, /* DSL scrub translations */ 1722219089Spjd dump_none, /* fake dedup BP */ 1723219089Spjd dump_zap, /* deadlist */ 1724219089Spjd dump_none, /* deadlist hdr */ 1725219089Spjd dump_zap, /* dsl clones */ 1726219089Spjd dump_none, /* bpobj subobjs */ 1727219089Spjd dump_unknown, /* Unknown type, must be last */ 1728168404Spjd}; 1729168404Spjd 1730168404Spjdstatic void 1731168404Spjddump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1732168404Spjd{ 1733168404Spjd dmu_buf_t *db = NULL; 1734168404Spjd dmu_object_info_t doi; 1735168404Spjd dnode_t *dn; 1736168404Spjd void *bonus = NULL; 1737168404Spjd size_t bsize = 0; 1738219089Spjd char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1739219089Spjd char bonus_size[32]; 1740168404Spjd char aux[50]; 1741168404Spjd int error; 1742168404Spjd 1743168404Spjd if (*print_header) { 1744219089Spjd (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1745219089Spjd "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1746219089Spjd "%full", "type"); 1747168404Spjd *print_header = 0; 1748168404Spjd } 1749168404Spjd 1750168404Spjd if (object == 0) { 1751219089Spjd dn = DMU_META_DNODE(os); 1752168404Spjd } else { 1753168404Spjd error = dmu_bonus_hold(os, object, FTAG, &db); 1754168404Spjd if (error) 1755168404Spjd fatal("dmu_bonus_hold(%llu) failed, errno %u", 1756168404Spjd object, error); 1757168404Spjd bonus = db->db_data; 1758168404Spjd bsize = db->db_size; 1759219089Spjd dn = DB_DNODE((dmu_buf_impl_t *)db); 1760168404Spjd } 1761168404Spjd dmu_object_info_from_dnode(dn, &doi); 1762168404Spjd 1763219089Spjd zdb_nicenum(doi.doi_metadata_block_size, iblk); 1764219089Spjd zdb_nicenum(doi.doi_data_block_size, dblk); 1765219089Spjd zdb_nicenum(doi.doi_max_offset, lsize); 1766219089Spjd zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1767219089Spjd zdb_nicenum(doi.doi_bonus_size, bonus_size); 1768219089Spjd (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1769219089Spjd doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1770219089Spjd doi.doi_max_offset); 1771168404Spjd 1772168404Spjd aux[0] = '\0'; 1773168404Spjd 1774185029Spjd if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1775168404Spjd (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1776219089Spjd ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1777185029Spjd } 1778168404Spjd 1779185029Spjd if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1780168404Spjd (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1781219089Spjd ZDB_COMPRESS_NAME(doi.doi_compress)); 1782185029Spjd } 1783168404Spjd 1784219089Spjd (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1785219089Spjd (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1786219089Spjd asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1787168404Spjd 1788168404Spjd if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1789219089Spjd (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1790219089Spjd "", "", "", "", "", bonus_size, "bonus", 1791219089Spjd ZDB_OT_NAME(doi.doi_bonus_type)); 1792168404Spjd } 1793168404Spjd 1794168404Spjd if (verbosity >= 4) { 1795219089Spjd (void) printf("\tdnode flags: %s%s%s\n", 1796209962Smm (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1797209962Smm "USED_BYTES " : "", 1798209962Smm (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1799219089Spjd "USERUSED_ACCOUNTED " : "", 1800219089Spjd (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1801219089Spjd "SPILL_BLKPTR" : ""); 1802209962Smm (void) printf("\tdnode maxblkid: %llu\n", 1803209962Smm (longlong_t)dn->dn_phys->dn_maxblkid); 1804209962Smm 1805219089Spjd object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1806219089Spjd bonus, bsize); 1807219089Spjd object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1808168404Spjd *print_header = 1; 1809168404Spjd } 1810168404Spjd 1811168404Spjd if (verbosity >= 5) 1812208047Smm dump_indirect(dn); 1813168404Spjd 1814168404Spjd if (verbosity >= 5) { 1815168404Spjd /* 1816168404Spjd * Report the list of segments that comprise the object. 1817168404Spjd */ 1818168404Spjd uint64_t start = 0; 1819168404Spjd uint64_t end; 1820168404Spjd uint64_t blkfill = 1; 1821168404Spjd int minlvl = 1; 1822168404Spjd 1823168404Spjd if (dn->dn_type == DMU_OT_DNODE) { 1824168404Spjd minlvl = 0; 1825168404Spjd blkfill = DNODES_PER_BLOCK; 1826168404Spjd } 1827168404Spjd 1828168404Spjd for (;;) { 1829219089Spjd char segsize[32]; 1830185029Spjd error = dnode_next_offset(dn, 1831185029Spjd 0, &start, minlvl, blkfill, 0); 1832168404Spjd if (error) 1833168404Spjd break; 1834168404Spjd end = start; 1835185029Spjd error = dnode_next_offset(dn, 1836185029Spjd DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1837219089Spjd zdb_nicenum(end - start, segsize); 1838168404Spjd (void) printf("\t\tsegment [%016llx, %016llx)" 1839168404Spjd " size %5s\n", (u_longlong_t)start, 1840168404Spjd (u_longlong_t)end, segsize); 1841168404Spjd if (error) 1842168404Spjd break; 1843168404Spjd start = end; 1844168404Spjd } 1845168404Spjd } 1846168404Spjd 1847168404Spjd if (db != NULL) 1848168404Spjd dmu_buf_rele(db, FTAG); 1849168404Spjd} 1850168404Spjd 1851168404Spjdstatic char *objset_types[DMU_OST_NUMTYPES] = { 1852168404Spjd "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1853168404Spjd 1854168404Spjdstatic void 1855168404Spjddump_dir(objset_t *os) 1856168404Spjd{ 1857168404Spjd dmu_objset_stats_t dds; 1858168404Spjd uint64_t object, object_count; 1859168404Spjd uint64_t refdbytes, usedobjs, scratch; 1860219089Spjd char numbuf[32]; 1861209962Smm char blkbuf[BP_SPRINTF_LEN + 20]; 1862168404Spjd char osname[MAXNAMELEN]; 1863168404Spjd char *type = "UNKNOWN"; 1864168404Spjd int verbosity = dump_opt['d']; 1865168404Spjd int print_header = 1; 1866168404Spjd int i, error; 1867168404Spjd 1868248571Smm dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 1869168404Spjd dmu_objset_fast_stat(os, &dds); 1870248571Smm dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 1871168404Spjd 1872168404Spjd if (dds.dds_type < DMU_OST_NUMTYPES) 1873168404Spjd type = objset_types[dds.dds_type]; 1874168404Spjd 1875168404Spjd if (dds.dds_type == DMU_OST_META) { 1876168404Spjd dds.dds_creation_txg = TXG_INITIAL; 1877268649Sdelphij usedobjs = BP_GET_FILL(os->os_rootbp); 1878219089Spjd refdbytes = os->os_spa->spa_dsl_pool-> 1879185029Spjd dp_mos_dir->dd_phys->dd_used_bytes; 1880168404Spjd } else { 1881168404Spjd dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1882168404Spjd } 1883168404Spjd 1884268649Sdelphij ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp)); 1885168404Spjd 1886219089Spjd zdb_nicenum(refdbytes, numbuf); 1887168404Spjd 1888168404Spjd if (verbosity >= 4) { 1889263397Sdelphij (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp "); 1890263397Sdelphij (void) snprintf_blkptr(blkbuf + strlen(blkbuf), 1891263397Sdelphij sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp); 1892168404Spjd } else { 1893168404Spjd blkbuf[0] = '\0'; 1894168404Spjd } 1895168404Spjd 1896168404Spjd dmu_objset_name(os, osname); 1897168404Spjd 1898168404Spjd (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1899168404Spjd "%s, %llu objects%s\n", 1900168404Spjd osname, type, (u_longlong_t)dmu_objset_id(os), 1901168404Spjd (u_longlong_t)dds.dds_creation_txg, 1902168404Spjd numbuf, (u_longlong_t)usedobjs, blkbuf); 1903168404Spjd 1904219089Spjd if (zopt_objects != 0) { 1905219089Spjd for (i = 0; i < zopt_objects; i++) 1906219089Spjd dump_object(os, zopt_object[i], verbosity, 1907219089Spjd &print_header); 1908219089Spjd (void) printf("\n"); 1909219089Spjd return; 1910219089Spjd } 1911168404Spjd 1912219089Spjd if (dump_opt['i'] != 0 || verbosity >= 2) 1913219089Spjd dump_intent_log(dmu_objset_zil(os)); 1914219089Spjd 1915168404Spjd if (dmu_objset_ds(os) != NULL) 1916219089Spjd dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1917168404Spjd 1918168404Spjd if (verbosity < 2) 1919168404Spjd return; 1920168404Spjd 1921263397Sdelphij if (BP_IS_HOLE(os->os_rootbp)) 1922185029Spjd return; 1923185029Spjd 1924168404Spjd dump_object(os, 0, verbosity, &print_header); 1925209962Smm object_count = 0; 1926219089Spjd if (DMU_USERUSED_DNODE(os) != NULL && 1927219089Spjd DMU_USERUSED_DNODE(os)->dn_type != 0) { 1928209962Smm dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1929209962Smm dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1930209962Smm } 1931168404Spjd 1932168404Spjd object = 0; 1933168404Spjd while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1934168404Spjd dump_object(os, object, verbosity, &print_header); 1935168404Spjd object_count++; 1936168404Spjd } 1937168404Spjd 1938168404Spjd ASSERT3U(object_count, ==, usedobjs); 1939168404Spjd 1940168404Spjd (void) printf("\n"); 1941168404Spjd 1942209962Smm if (error != ESRCH) { 1943209962Smm (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1944209962Smm abort(); 1945209962Smm } 1946168404Spjd} 1947168404Spjd 1948168404Spjdstatic void 1949219089Spjddump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1950168404Spjd{ 1951168404Spjd time_t timestamp = ub->ub_timestamp; 1952168404Spjd 1953219089Spjd (void) printf(header ? header : ""); 1954168404Spjd (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1955168404Spjd (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1956168404Spjd (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1957168404Spjd (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1958168404Spjd (void) printf("\ttimestamp = %llu UTC = %s", 1959168404Spjd (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1960168404Spjd if (dump_opt['u'] >= 3) { 1961168404Spjd char blkbuf[BP_SPRINTF_LEN]; 1962263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp); 1963168404Spjd (void) printf("\trootbp = %s\n", blkbuf); 1964168404Spjd } 1965219089Spjd (void) printf(footer ? footer : ""); 1966168404Spjd} 1967168404Spjd 1968168404Spjdstatic void 1969219089Spjddump_config(spa_t *spa) 1970168404Spjd{ 1971219089Spjd dmu_buf_t *db; 1972219089Spjd size_t nvsize = 0; 1973219089Spjd int error = 0; 1974168404Spjd 1975219089Spjd 1976219089Spjd error = dmu_bonus_hold(spa->spa_meta_objset, 1977219089Spjd spa->spa_config_object, FTAG, &db); 1978219089Spjd 1979219089Spjd if (error == 0) { 1980219089Spjd nvsize = *(uint64_t *)db->db_data; 1981219089Spjd dmu_buf_rele(db, FTAG); 1982219089Spjd 1983219089Spjd (void) printf("\nMOS Configuration:\n"); 1984219089Spjd dump_packed_nvlist(spa->spa_meta_objset, 1985219089Spjd spa->spa_config_object, (void *)&nvsize, 1); 1986219089Spjd } else { 1987219089Spjd (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1988219089Spjd (u_longlong_t)spa->spa_config_object, error); 1989168404Spjd } 1990168404Spjd} 1991168404Spjd 1992168404Spjdstatic void 1993185029Spjddump_cachefile(const char *cachefile) 1994185029Spjd{ 1995185029Spjd int fd; 1996185029Spjd struct stat64 statbuf; 1997185029Spjd char *buf; 1998185029Spjd nvlist_t *config; 1999185029Spjd 2000185029Spjd if ((fd = open64(cachefile, O_RDONLY)) < 0) { 2001185029Spjd (void) printf("cannot open '%s': %s\n", cachefile, 2002185029Spjd strerror(errno)); 2003185029Spjd exit(1); 2004185029Spjd } 2005185029Spjd 2006185029Spjd if (fstat64(fd, &statbuf) != 0) { 2007185029Spjd (void) printf("failed to stat '%s': %s\n", cachefile, 2008185029Spjd strerror(errno)); 2009185029Spjd exit(1); 2010185029Spjd } 2011185029Spjd 2012185029Spjd if ((buf = malloc(statbuf.st_size)) == NULL) { 2013185029Spjd (void) fprintf(stderr, "failed to allocate %llu bytes\n", 2014185029Spjd (u_longlong_t)statbuf.st_size); 2015185029Spjd exit(1); 2016185029Spjd } 2017185029Spjd 2018185029Spjd if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 2019185029Spjd (void) fprintf(stderr, "failed to read %llu bytes\n", 2020185029Spjd (u_longlong_t)statbuf.st_size); 2021185029Spjd exit(1); 2022185029Spjd } 2023185029Spjd 2024185029Spjd (void) close(fd); 2025185029Spjd 2026185029Spjd if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 2027185029Spjd (void) fprintf(stderr, "failed to unpack nvlist\n"); 2028185029Spjd exit(1); 2029185029Spjd } 2030185029Spjd 2031185029Spjd free(buf); 2032185029Spjd 2033185029Spjd dump_nvlist(config, 0); 2034185029Spjd 2035185029Spjd nvlist_free(config); 2036185029Spjd} 2037185029Spjd 2038219089Spjd#define ZDB_MAX_UB_HEADER_SIZE 32 2039219089Spjd 2040185029Spjdstatic void 2041219089Spjddump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 2042219089Spjd{ 2043219089Spjd vdev_t vd; 2044219089Spjd vdev_t *vdp = &vd; 2045219089Spjd char header[ZDB_MAX_UB_HEADER_SIZE]; 2046219089Spjd 2047219089Spjd vd.vdev_ashift = ashift; 2048219089Spjd vdp->vdev_top = vdp; 2049219089Spjd 2050219089Spjd for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 2051219089Spjd uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 2052219089Spjd uberblock_t *ub = (void *)((char *)lbl + uoff); 2053219089Spjd 2054219089Spjd if (uberblock_verify(ub)) 2055219089Spjd continue; 2056219089Spjd (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 2057219089Spjd "Uberblock[%d]\n", i); 2058219089Spjd dump_uberblock(ub, header, ""); 2059219089Spjd } 2060219089Spjd} 2061219089Spjd 2062219089Spjdstatic void 2063168404Spjddump_label(const char *dev) 2064168404Spjd{ 2065168404Spjd int fd; 2066168404Spjd vdev_label_t label; 2067219089Spjd char *path, *buf = label.vl_vdev_phys.vp_nvlist; 2068168404Spjd size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 2069168404Spjd struct stat64 statbuf; 2070219089Spjd uint64_t psize, ashift; 2071219089Spjd int len = strlen(dev) + 1; 2072168404Spjd 2073219089Spjd if (strncmp(dev, "/dev/dsk/", 9) == 0) { 2074219089Spjd len++; 2075219089Spjd path = malloc(len); 2076219089Spjd (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 2077219089Spjd } else { 2078219089Spjd path = strdup(dev); 2079219089Spjd } 2080219089Spjd 2081219089Spjd if ((fd = open64(path, O_RDONLY)) < 0) { 2082219089Spjd (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 2083219089Spjd free(path); 2084168404Spjd exit(1); 2085168404Spjd } 2086168404Spjd 2087168404Spjd if (fstat64(fd, &statbuf) != 0) { 2088219089Spjd (void) printf("failed to stat '%s': %s\n", path, 2089168404Spjd strerror(errno)); 2090219089Spjd free(path); 2091219089Spjd (void) close(fd); 2092168404Spjd exit(1); 2093168404Spjd } 2094168404Spjd 2095219089Spjd if (S_ISBLK(statbuf.st_mode)) { 2096219089Spjd (void) printf("cannot use '%s': character device required\n", 2097219089Spjd path); 2098219089Spjd free(path); 2099219089Spjd (void) close(fd); 2100219089Spjd exit(1); 2101196928Spjd } 2102196928Spjd 2103185029Spjd psize = statbuf.st_size; 2104168404Spjd psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 2105168404Spjd 2106219089Spjd for (int l = 0; l < VDEV_LABELS; l++) { 2107168404Spjd nvlist_t *config = NULL; 2108168404Spjd 2109168404Spjd (void) printf("--------------------------------------------\n"); 2110168404Spjd (void) printf("LABEL %d\n", l); 2111168404Spjd (void) printf("--------------------------------------------\n"); 2112168404Spjd 2113168404Spjd if (pread64(fd, &label, sizeof (label), 2114168404Spjd vdev_label_offset(psize, l, 0)) != sizeof (label)) { 2115168404Spjd (void) printf("failed to read label %d\n", l); 2116168404Spjd continue; 2117168404Spjd } 2118168404Spjd 2119168404Spjd if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 2120168404Spjd (void) printf("failed to unpack label %d\n", l); 2121219089Spjd ashift = SPA_MINBLOCKSHIFT; 2122219089Spjd } else { 2123219089Spjd nvlist_t *vdev_tree = NULL; 2124219089Spjd 2125219089Spjd dump_nvlist(config, 4); 2126219089Spjd if ((nvlist_lookup_nvlist(config, 2127219089Spjd ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 2128219089Spjd (nvlist_lookup_uint64(vdev_tree, 2129219089Spjd ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 2130219089Spjd ashift = SPA_MINBLOCKSHIFT; 2131219089Spjd nvlist_free(config); 2132168404Spjd } 2133219089Spjd if (dump_opt['u']) 2134219089Spjd dump_label_uberblocks(&label, ashift); 2135168404Spjd } 2136219089Spjd 2137219089Spjd free(path); 2138219089Spjd (void) close(fd); 2139168404Spjd} 2140168404Spjd 2141168404Spjd/*ARGSUSED*/ 2142168404Spjdstatic int 2143219089Spjddump_one_dir(const char *dsname, void *arg) 2144168404Spjd{ 2145168404Spjd int error; 2146168404Spjd objset_t *os; 2147168404Spjd 2148219089Spjd error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 2149168404Spjd if (error) { 2150219089Spjd (void) printf("Could not open %s, error %d\n", dsname, error); 2151168404Spjd return (0); 2152168404Spjd } 2153168404Spjd dump_dir(os); 2154219089Spjd dmu_objset_disown(os, FTAG); 2155185029Spjd fuid_table_destroy(); 2156219089Spjd sa_loaded = B_FALSE; 2157168404Spjd return (0); 2158168404Spjd} 2159168404Spjd 2160168404Spjd/* 2161219089Spjd * Block statistics. 2162168404Spjd */ 2163249207Smm#define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1) 2164168404Spjdtypedef struct zdb_blkstats { 2165249207Smm uint64_t zb_asize; 2166249207Smm uint64_t zb_lsize; 2167249207Smm uint64_t zb_psize; 2168249207Smm uint64_t zb_count; 2169268645Sdelphij uint64_t zb_gangs; 2170268645Sdelphij uint64_t zb_ditto_samevdev; 2171249207Smm uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE]; 2172168404Spjd} zdb_blkstats_t; 2173168404Spjd 2174219089Spjd/* 2175219089Spjd * Extended object types to report deferred frees and dedup auto-ditto blocks. 2176219089Spjd */ 2177219089Spjd#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2178219089Spjd#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2179236884Smm#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2180236884Smm#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2181168404Spjd 2182219089Spjdstatic char *zdb_ot_extname[] = { 2183219089Spjd "deferred free", 2184219089Spjd "dedup ditto", 2185236884Smm "other", 2186219089Spjd "Total", 2187219089Spjd}; 2188219089Spjd 2189208047Smm#define ZB_TOTAL DN_MAX_LEVELS 2190168404Spjd 2191168404Spjdtypedef struct zdb_cb { 2192219089Spjd zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 2193219089Spjd uint64_t zcb_dedup_asize; 2194219089Spjd uint64_t zcb_dedup_blocks; 2195268649Sdelphij uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES]; 2196268649Sdelphij uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES] 2197268649Sdelphij [BPE_PAYLOAD_SIZE]; 2198249207Smm uint64_t zcb_start; 2199249207Smm uint64_t zcb_lastprint; 2200249207Smm uint64_t zcb_totalasize; 2201168404Spjd uint64_t zcb_errors[256]; 2202168404Spjd int zcb_readfails; 2203168404Spjd int zcb_haderrors; 2204219089Spjd spa_t *zcb_spa; 2205168404Spjd} zdb_cb_t; 2206168404Spjd 2207168404Spjdstatic void 2208219089Spjdzdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2209219089Spjd dmu_object_type_t type) 2210168404Spjd{ 2211219089Spjd uint64_t refcnt = 0; 2212219089Spjd 2213219089Spjd ASSERT(type < ZDB_OT_TOTAL); 2214219089Spjd 2215219089Spjd if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2216219089Spjd return; 2217219089Spjd 2218185029Spjd for (int i = 0; i < 4; i++) { 2219168404Spjd int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2220219089Spjd int t = (i & 1) ? type : ZDB_OT_TOTAL; 2221268645Sdelphij int equal; 2222168404Spjd zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2223168404Spjd 2224168404Spjd zb->zb_asize += BP_GET_ASIZE(bp); 2225168404Spjd zb->zb_lsize += BP_GET_LSIZE(bp); 2226168404Spjd zb->zb_psize += BP_GET_PSIZE(bp); 2227168404Spjd zb->zb_count++; 2228249207Smm zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++; 2229268645Sdelphij 2230268645Sdelphij zb->zb_gangs += BP_COUNT_GANG(bp); 2231268645Sdelphij 2232268645Sdelphij switch (BP_GET_NDVAS(bp)) { 2233268645Sdelphij case 2: 2234268645Sdelphij if (DVA_GET_VDEV(&bp->blk_dva[0]) == 2235268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[1])) 2236268645Sdelphij zb->zb_ditto_samevdev++; 2237268645Sdelphij break; 2238268645Sdelphij case 3: 2239268645Sdelphij equal = (DVA_GET_VDEV(&bp->blk_dva[0]) == 2240268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[1])) + 2241268645Sdelphij (DVA_GET_VDEV(&bp->blk_dva[0]) == 2242268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[2])) + 2243268645Sdelphij (DVA_GET_VDEV(&bp->blk_dva[1]) == 2244268645Sdelphij DVA_GET_VDEV(&bp->blk_dva[2])); 2245268645Sdelphij if (equal != 0) 2246268645Sdelphij zb->zb_ditto_samevdev++; 2247268645Sdelphij break; 2248268645Sdelphij } 2249268645Sdelphij 2250168404Spjd } 2251168404Spjd 2252268649Sdelphij if (BP_IS_EMBEDDED(bp)) { 2253268649Sdelphij zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++; 2254268649Sdelphij zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)] 2255268649Sdelphij [BPE_GET_PSIZE(bp)]++; 2256268649Sdelphij return; 2257268649Sdelphij } 2258268649Sdelphij 2259219089Spjd if (dump_opt['L']) 2260219089Spjd return; 2261168404Spjd 2262219089Spjd if (BP_GET_DEDUP(bp)) { 2263219089Spjd ddt_t *ddt; 2264219089Spjd ddt_entry_t *dde; 2265168404Spjd 2266219089Spjd ddt = ddt_select(zcb->zcb_spa, bp); 2267219089Spjd ddt_enter(ddt); 2268219089Spjd dde = ddt_lookup(ddt, bp, B_FALSE); 2269168404Spjd 2270219089Spjd if (dde == NULL) { 2271219089Spjd refcnt = 0; 2272219089Spjd } else { 2273219089Spjd ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2274219089Spjd ddt_phys_decref(ddp); 2275219089Spjd refcnt = ddp->ddp_refcnt; 2276219089Spjd if (ddt_phys_total_refcnt(dde) == 0) 2277219089Spjd ddt_remove(ddt, dde); 2278185029Spjd } 2279219089Spjd ddt_exit(ddt); 2280185029Spjd } 2281168404Spjd 2282219089Spjd VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2283219089Spjd refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2284219089Spjd bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2285168404Spjd} 2286168404Spjd 2287263393Sdelphij/* ARGSUSED */ 2288263393Sdelphijstatic void 2289263393Sdelphijzdb_blkptr_done(zio_t *zio) 2290263393Sdelphij{ 2291263393Sdelphij spa_t *spa = zio->io_spa; 2292263393Sdelphij blkptr_t *bp = zio->io_bp; 2293263393Sdelphij int ioerr = zio->io_error; 2294263393Sdelphij zdb_cb_t *zcb = zio->io_private; 2295268657Sdelphij zbookmark_phys_t *zb = &zio->io_bookmark; 2296263393Sdelphij 2297263393Sdelphij zio_data_buf_free(zio->io_data, zio->io_size); 2298263393Sdelphij 2299263393Sdelphij mutex_enter(&spa->spa_scrub_lock); 2300263393Sdelphij spa->spa_scrub_inflight--; 2301263393Sdelphij cv_broadcast(&spa->spa_scrub_io_cv); 2302263393Sdelphij 2303263393Sdelphij if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 2304263393Sdelphij char blkbuf[BP_SPRINTF_LEN]; 2305263393Sdelphij 2306263393Sdelphij zcb->zcb_haderrors = 1; 2307263393Sdelphij zcb->zcb_errors[ioerr]++; 2308263393Sdelphij 2309263393Sdelphij if (dump_opt['b'] >= 2) 2310263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2311263393Sdelphij else 2312263393Sdelphij blkbuf[0] = '\0'; 2313263393Sdelphij 2314263393Sdelphij (void) printf("zdb_blkptr_cb: " 2315263393Sdelphij "Got error %d reading " 2316263393Sdelphij "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2317263393Sdelphij ioerr, 2318263393Sdelphij (u_longlong_t)zb->zb_objset, 2319263393Sdelphij (u_longlong_t)zb->zb_object, 2320263393Sdelphij (u_longlong_t)zb->zb_level, 2321263393Sdelphij (u_longlong_t)zb->zb_blkid, 2322263393Sdelphij blkbuf); 2323263393Sdelphij } 2324263393Sdelphij mutex_exit(&spa->spa_scrub_lock); 2325263393Sdelphij} 2326263393Sdelphij 2327263393Sdelphij/* ARGSUSED */ 2328168404Spjdstatic int 2329246666Smmzdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2330268657Sdelphij const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2331168404Spjd{ 2332168404Spjd zdb_cb_t *zcb = arg; 2333209962Smm dmu_object_type_t type; 2334219089Spjd boolean_t is_metadata; 2335168404Spjd 2336263397Sdelphij if (dump_opt['b'] >= 5 && bp->blk_birth > 0) { 2337263397Sdelphij char blkbuf[BP_SPRINTF_LEN]; 2338263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2339263397Sdelphij (void) printf("objset %llu object %llu " 2340263397Sdelphij "level %lld offset 0x%llx %s\n", 2341263397Sdelphij (u_longlong_t)zb->zb_objset, 2342263397Sdelphij (u_longlong_t)zb->zb_object, 2343263397Sdelphij (longlong_t)zb->zb_level, 2344263397Sdelphij (u_longlong_t)blkid2offset(dnp, bp, zb), 2345263397Sdelphij blkbuf); 2346263397Sdelphij } 2347263397Sdelphij 2348263397Sdelphij if (BP_IS_HOLE(bp)) 2349208047Smm return (0); 2350185029Spjd 2351209962Smm type = BP_GET_TYPE(bp); 2352185029Spjd 2353236884Smm zdb_count_block(zcb, zilog, bp, 2354236884Smm (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2355209962Smm 2356236884Smm is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2357209962Smm 2358268649Sdelphij if (!BP_IS_EMBEDDED(bp) && 2359268649Sdelphij (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) { 2360219089Spjd size_t size = BP_GET_PSIZE(bp); 2361263393Sdelphij void *data = zio_data_buf_alloc(size); 2362219089Spjd int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2363208047Smm 2364219089Spjd /* If it's an intent log block, failure is expected. */ 2365219089Spjd if (zb->zb_level == ZB_ZIL_LEVEL) 2366219089Spjd flags |= ZIO_FLAG_SPECULATIVE; 2367219089Spjd 2368263393Sdelphij mutex_enter(&spa->spa_scrub_lock); 2369263393Sdelphij while (spa->spa_scrub_inflight > max_inflight) 2370263393Sdelphij cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 2371263393Sdelphij spa->spa_scrub_inflight++; 2372263393Sdelphij mutex_exit(&spa->spa_scrub_lock); 2373219089Spjd 2374263393Sdelphij zio_nowait(zio_read(NULL, spa, bp, data, size, 2375263393Sdelphij zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2376168404Spjd } 2377168404Spjd 2378168404Spjd zcb->zcb_readfails = 0; 2379168404Spjd 2380249207Smm if (dump_opt['b'] < 5 && isatty(STDERR_FILENO) && 2381249207Smm gethrtime() > zcb->zcb_lastprint + NANOSEC) { 2382249207Smm uint64_t now = gethrtime(); 2383249207Smm char buf[10]; 2384249207Smm uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize; 2385249207Smm int kb_per_sec = 2386249207Smm 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000)); 2387249207Smm int sec_remaining = 2388249207Smm (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec; 2389249207Smm 2390249207Smm zfs_nicenum(bytes, buf, sizeof (buf)); 2391249207Smm (void) fprintf(stderr, 2392249207Smm "\r%5s completed (%4dMB/s) " 2393249207Smm "estimated time remaining: %uhr %02umin %02usec ", 2394249207Smm buf, kb_per_sec / 1024, 2395249207Smm sec_remaining / 60 / 60, 2396249207Smm sec_remaining / 60 % 60, 2397249207Smm sec_remaining % 60); 2398249207Smm 2399249207Smm zcb->zcb_lastprint = now; 2400249207Smm } 2401249207Smm 2402168404Spjd return (0); 2403168404Spjd} 2404168404Spjd 2405219089Spjdstatic void 2406262093Savgzdb_leak(void *arg, uint64_t start, uint64_t size) 2407219089Spjd{ 2408262093Savg vdev_t *vd = arg; 2409219089Spjd 2410219089Spjd (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2411219089Spjd (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2412219089Spjd} 2413219089Spjd 2414262093Savgstatic metaslab_ops_t zdb_metaslab_ops = { 2415269773Sdelphij NULL /* alloc */ 2416219089Spjd}; 2417219089Spjd 2418219089Spjdstatic void 2419219089Spjdzdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2420219089Spjd{ 2421219089Spjd ddt_bookmark_t ddb = { 0 }; 2422219089Spjd ddt_entry_t dde; 2423219089Spjd int error; 2424219089Spjd 2425219089Spjd while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2426219089Spjd blkptr_t blk; 2427219089Spjd ddt_phys_t *ddp = dde.dde_phys; 2428219089Spjd 2429219089Spjd if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2430219089Spjd return; 2431219089Spjd 2432219089Spjd ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2433219089Spjd 2434219089Spjd for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2435219089Spjd if (ddp->ddp_phys_birth == 0) 2436219089Spjd continue; 2437219089Spjd ddt_bp_create(ddb.ddb_checksum, 2438219089Spjd &dde.dde_key, ddp, &blk); 2439219089Spjd if (p == DDT_PHYS_DITTO) { 2440219089Spjd zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2441219089Spjd } else { 2442219089Spjd zcb->zcb_dedup_asize += 2443219089Spjd BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2444219089Spjd zcb->zcb_dedup_blocks++; 2445219089Spjd } 2446219089Spjd } 2447219089Spjd if (!dump_opt['L']) { 2448219089Spjd ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2449219089Spjd ddt_enter(ddt); 2450219089Spjd VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2451219089Spjd ddt_exit(ddt); 2452219089Spjd } 2453219089Spjd } 2454219089Spjd 2455219089Spjd ASSERT(error == ENOENT); 2456219089Spjd} 2457219089Spjd 2458219089Spjdstatic void 2459219089Spjdzdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2460219089Spjd{ 2461219089Spjd zcb->zcb_spa = spa; 2462219089Spjd 2463219089Spjd if (!dump_opt['L']) { 2464219089Spjd vdev_t *rvd = spa->spa_root_vdev; 2465219089Spjd for (int c = 0; c < rvd->vdev_children; c++) { 2466219089Spjd vdev_t *vd = rvd->vdev_child[c]; 2467219089Spjd for (int m = 0; m < vd->vdev_ms_count; m++) { 2468219089Spjd metaslab_t *msp = vd->vdev_ms[m]; 2469219089Spjd mutex_enter(&msp->ms_lock); 2470262093Savg metaslab_unload(msp); 2471262093Savg 2472262093Savg /* 2473262093Savg * For leak detection, we overload the metaslab 2474262093Savg * ms_tree to contain allocated segments 2475262093Savg * instead of free segments. As a result, 2476262093Savg * we can't use the normal metaslab_load/unload 2477262093Savg * interfaces. 2478262093Savg */ 2479262093Savg if (msp->ms_sm != NULL) { 2480262093Savg msp->ms_ops = &zdb_metaslab_ops; 2481262093Savg VERIFY0(space_map_load(msp->ms_sm, 2482262093Savg msp->ms_tree, SM_ALLOC)); 2483262093Savg msp->ms_loaded = B_TRUE; 2484262093Savg } 2485219089Spjd mutex_exit(&msp->ms_lock); 2486219089Spjd } 2487219089Spjd } 2488219089Spjd } 2489219089Spjd 2490219089Spjd spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2491219089Spjd 2492219089Spjd zdb_ddt_leak_init(spa, zcb); 2493219089Spjd 2494219089Spjd spa_config_exit(spa, SCL_CONFIG, FTAG); 2495219089Spjd} 2496219089Spjd 2497219089Spjdstatic void 2498219089Spjdzdb_leak_fini(spa_t *spa) 2499219089Spjd{ 2500219089Spjd if (!dump_opt['L']) { 2501219089Spjd vdev_t *rvd = spa->spa_root_vdev; 2502219089Spjd for (int c = 0; c < rvd->vdev_children; c++) { 2503219089Spjd vdev_t *vd = rvd->vdev_child[c]; 2504219089Spjd for (int m = 0; m < vd->vdev_ms_count; m++) { 2505219089Spjd metaslab_t *msp = vd->vdev_ms[m]; 2506219089Spjd mutex_enter(&msp->ms_lock); 2507262093Savg 2508262093Savg /* 2509262093Savg * The ms_tree has been overloaded to 2510262093Savg * contain allocated segments. Now that we 2511262093Savg * finished traversing all blocks, any 2512262093Savg * block that remains in the ms_tree 2513262093Savg * represents an allocated block that we 2514262093Savg * did not claim during the traversal. 2515262093Savg * Claimed blocks would have been removed 2516262093Savg * from the ms_tree. 2517262093Savg */ 2518262093Savg range_tree_vacate(msp->ms_tree, zdb_leak, vd); 2519262093Savg msp->ms_loaded = B_FALSE; 2520262093Savg 2521219089Spjd mutex_exit(&msp->ms_lock); 2522219089Spjd } 2523219089Spjd } 2524219089Spjd } 2525219089Spjd} 2526219089Spjd 2527219089Spjd/* ARGSUSED */ 2528168404Spjdstatic int 2529219089Spjdcount_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2530219089Spjd{ 2531219089Spjd zdb_cb_t *zcb = arg; 2532219089Spjd 2533249207Smm if (dump_opt['b'] >= 5) { 2534219089Spjd char blkbuf[BP_SPRINTF_LEN]; 2535263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2536219089Spjd (void) printf("[%s] %s\n", 2537219089Spjd "deferred free", blkbuf); 2538219089Spjd } 2539219089Spjd zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2540219089Spjd return (0); 2541219089Spjd} 2542219089Spjd 2543219089Spjdstatic int 2544168404Spjddump_block_stats(spa_t *spa) 2545168404Spjd{ 2546168404Spjd zdb_cb_t zcb = { 0 }; 2547168404Spjd zdb_blkstats_t *zb, *tzb; 2548219089Spjd uint64_t norm_alloc, norm_space, total_alloc, total_found; 2549219089Spjd int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2550268649Sdelphij boolean_t leaks = B_FALSE; 2551168404Spjd 2552249207Smm (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n", 2553219089Spjd (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2554219089Spjd (dump_opt['c'] == 1) ? "metadata " : "", 2555219089Spjd dump_opt['c'] ? "checksums " : "", 2556219089Spjd (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2557219089Spjd !dump_opt['L'] ? "nothing leaked " : ""); 2558168404Spjd 2559168404Spjd /* 2560185029Spjd * Load all space maps as SM_ALLOC maps, then traverse the pool 2561185029Spjd * claiming each block we discover. If the pool is perfectly 2562185029Spjd * consistent, the space maps will be empty when we're done. 2563185029Spjd * Anything left over is a leak; any block we can't claim (because 2564185029Spjd * it's not part of any space map) is a double allocation, 2565185029Spjd * reference to a freed block, or an unclaimed log block. 2566168404Spjd */ 2567219089Spjd zdb_leak_init(spa, &zcb); 2568168404Spjd 2569168404Spjd /* 2570168404Spjd * If there's a deferred-free bplist, process that first. 2571168404Spjd */ 2572219089Spjd (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2573219089Spjd count_block_cb, &zcb, NULL); 2574226616Spjd if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2575226616Spjd (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2576226616Spjd count_block_cb, &zcb, NULL); 2577226616Spjd } 2578263390Sdelphij if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) { 2579236884Smm VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2580236884Smm spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2581236884Smm &zcb, NULL)); 2582236884Smm } 2583168404Spjd 2584219089Spjd if (dump_opt['c'] > 1) 2585219089Spjd flags |= TRAVERSE_PREFETCH_DATA; 2586168404Spjd 2587249207Smm zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa)); 2588249207Smm zcb.zcb_start = zcb.zcb_lastprint = gethrtime(); 2589219089Spjd zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2590168404Spjd 2591263393Sdelphij /* 2592263393Sdelphij * If we've traversed the data blocks then we need to wait for those 2593263393Sdelphij * I/Os to complete. We leverage "The Godfather" zio to wait on 2594263393Sdelphij * all async I/Os to complete. 2595263393Sdelphij */ 2596263393Sdelphij if (dump_opt['c']) { 2597263393Sdelphij (void) zio_wait(spa->spa_async_zio_root); 2598263393Sdelphij spa->spa_async_zio_root = zio_root(spa, NULL, NULL, 2599263393Sdelphij ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 2600263393Sdelphij ZIO_FLAG_GODFATHER); 2601263393Sdelphij } 2602263393Sdelphij 2603219089Spjd if (zcb.zcb_haderrors) { 2604168404Spjd (void) printf("\nError counts:\n\n"); 2605168404Spjd (void) printf("\t%5s %s\n", "errno", "count"); 2606219089Spjd for (int e = 0; e < 256; e++) { 2607168404Spjd if (zcb.zcb_errors[e] != 0) { 2608168404Spjd (void) printf("\t%5d %llu\n", 2609168404Spjd e, (u_longlong_t)zcb.zcb_errors[e]); 2610168404Spjd } 2611168404Spjd } 2612168404Spjd } 2613168404Spjd 2614168404Spjd /* 2615168404Spjd * Report any leaked segments. 2616168404Spjd */ 2617219089Spjd zdb_leak_fini(spa); 2618168404Spjd 2619219089Spjd tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2620185029Spjd 2621219089Spjd norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2622219089Spjd norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2623168404Spjd 2624219089Spjd total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2625219089Spjd total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2626185029Spjd 2627219089Spjd if (total_found == total_alloc) { 2628209962Smm if (!dump_opt['L']) 2629209962Smm (void) printf("\n\tNo leaks (block sum matches space" 2630209962Smm " maps exactly)\n"); 2631168404Spjd } else { 2632168404Spjd (void) printf("block traversal size %llu != alloc %llu " 2633209962Smm "(%s %lld)\n", 2634219089Spjd (u_longlong_t)total_found, 2635219089Spjd (u_longlong_t)total_alloc, 2636209962Smm (dump_opt['L']) ? "unreachable" : "leaked", 2637219089Spjd (longlong_t)(total_alloc - total_found)); 2638268649Sdelphij leaks = B_TRUE; 2639168404Spjd } 2640168404Spjd 2641168404Spjd if (tzb->zb_count == 0) 2642168404Spjd return (2); 2643168404Spjd 2644168404Spjd (void) printf("\n"); 2645168404Spjd (void) printf("\tbp count: %10llu\n", 2646168404Spjd (u_longlong_t)tzb->zb_count); 2647268645Sdelphij (void) printf("\tganged count: %10llu\n", 2648268645Sdelphij (longlong_t)tzb->zb_gangs); 2649219089Spjd (void) printf("\tbp logical: %10llu avg: %6llu\n", 2650168404Spjd (u_longlong_t)tzb->zb_lsize, 2651168404Spjd (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2652219089Spjd (void) printf("\tbp physical: %10llu avg:" 2653219089Spjd " %6llu compression: %6.2f\n", 2654168404Spjd (u_longlong_t)tzb->zb_psize, 2655168404Spjd (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2656168404Spjd (double)tzb->zb_lsize / tzb->zb_psize); 2657219089Spjd (void) printf("\tbp allocated: %10llu avg:" 2658219089Spjd " %6llu compression: %6.2f\n", 2659168404Spjd (u_longlong_t)tzb->zb_asize, 2660168404Spjd (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2661168404Spjd (double)tzb->zb_lsize / tzb->zb_asize); 2662219089Spjd (void) printf("\tbp deduped: %10llu ref>1:" 2663219089Spjd " %6llu deduplication: %6.2f\n", 2664219089Spjd (u_longlong_t)zcb.zcb_dedup_asize, 2665219089Spjd (u_longlong_t)zcb.zcb_dedup_blocks, 2666219089Spjd (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2667219089Spjd (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2668219089Spjd (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2669168404Spjd 2670268649Sdelphij for (bp_embedded_type_t i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) { 2671268649Sdelphij if (zcb.zcb_embedded_blocks[i] == 0) 2672268649Sdelphij continue; 2673268649Sdelphij (void) printf("\n"); 2674268649Sdelphij (void) printf("\tadditional, non-pointer bps of type %u: " 2675268649Sdelphij "%10llu\n", 2676268649Sdelphij i, (u_longlong_t)zcb.zcb_embedded_blocks[i]); 2677268649Sdelphij 2678268649Sdelphij if (dump_opt['b'] >= 3) { 2679268649Sdelphij (void) printf("\t number of (compressed) bytes: " 2680268649Sdelphij "number of bps\n"); 2681268649Sdelphij dump_histogram(zcb.zcb_embedded_histogram[i], 2682268649Sdelphij sizeof (zcb.zcb_embedded_histogram[i]) / 2683268649Sdelphij sizeof (zcb.zcb_embedded_histogram[i][0]), 0); 2684268649Sdelphij } 2685268649Sdelphij } 2686268649Sdelphij 2687268645Sdelphij if (tzb->zb_ditto_samevdev != 0) { 2688268645Sdelphij (void) printf("\tDittoed blocks on same vdev: %llu\n", 2689268645Sdelphij (longlong_t)tzb->zb_ditto_samevdev); 2690268645Sdelphij } 2691268645Sdelphij 2692168404Spjd if (dump_opt['b'] >= 2) { 2693168404Spjd int l, t, level; 2694168404Spjd (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2695168404Spjd "\t avg\t comp\t%%Total\tType\n"); 2696168404Spjd 2697219089Spjd for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2698219089Spjd char csize[32], lsize[32], psize[32], asize[32]; 2699268645Sdelphij char avg[32], gang[32]; 2700168404Spjd char *typename; 2701168404Spjd 2702219089Spjd if (t < DMU_OT_NUMTYPES) 2703219089Spjd typename = dmu_ot[t].ot_name; 2704219089Spjd else 2705219089Spjd typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2706168404Spjd 2707168404Spjd if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2708168404Spjd (void) printf("%6s\t%5s\t%5s\t%5s" 2709168404Spjd "\t%5s\t%5s\t%6s\t%s\n", 2710168404Spjd "-", 2711168404Spjd "-", 2712168404Spjd "-", 2713168404Spjd "-", 2714168404Spjd "-", 2715168404Spjd "-", 2716168404Spjd "-", 2717168404Spjd typename); 2718168404Spjd continue; 2719168404Spjd } 2720168404Spjd 2721168404Spjd for (l = ZB_TOTAL - 1; l >= -1; l--) { 2722168404Spjd level = (l == -1 ? ZB_TOTAL : l); 2723168404Spjd zb = &zcb.zcb_type[level][t]; 2724168404Spjd 2725168404Spjd if (zb->zb_asize == 0) 2726168404Spjd continue; 2727168404Spjd 2728168404Spjd if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2729168404Spjd continue; 2730168404Spjd 2731168404Spjd if (level == 0 && zb->zb_asize == 2732168404Spjd zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2733168404Spjd continue; 2734168404Spjd 2735219089Spjd zdb_nicenum(zb->zb_count, csize); 2736219089Spjd zdb_nicenum(zb->zb_lsize, lsize); 2737219089Spjd zdb_nicenum(zb->zb_psize, psize); 2738219089Spjd zdb_nicenum(zb->zb_asize, asize); 2739219089Spjd zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2740268645Sdelphij zdb_nicenum(zb->zb_gangs, gang); 2741168404Spjd 2742168404Spjd (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2743168404Spjd "\t%5.2f\t%6.2f\t", 2744168404Spjd csize, lsize, psize, asize, avg, 2745168404Spjd (double)zb->zb_lsize / zb->zb_psize, 2746168404Spjd 100.0 * zb->zb_asize / tzb->zb_asize); 2747168404Spjd 2748168404Spjd if (level == ZB_TOTAL) 2749168404Spjd (void) printf("%s\n", typename); 2750168404Spjd else 2751168404Spjd (void) printf(" L%d %s\n", 2752168404Spjd level, typename); 2753249207Smm 2754268645Sdelphij if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) { 2755268645Sdelphij (void) printf("\t number of ganged " 2756268645Sdelphij "blocks: %s\n", gang); 2757268645Sdelphij } 2758268645Sdelphij 2759249207Smm if (dump_opt['b'] >= 4) { 2760249207Smm (void) printf("psize " 2761249207Smm "(in 512-byte sectors): " 2762249207Smm "number of blocks\n"); 2763249207Smm dump_histogram(zb->zb_psize_histogram, 2764262093Savg PSIZE_HISTO_SIZE, 0); 2765249207Smm } 2766168404Spjd } 2767168404Spjd } 2768168404Spjd } 2769168404Spjd 2770168404Spjd (void) printf("\n"); 2771168404Spjd 2772168404Spjd if (leaks) 2773168404Spjd return (2); 2774168404Spjd 2775168404Spjd if (zcb.zcb_haderrors) 2776168404Spjd return (3); 2777168404Spjd 2778168404Spjd return (0); 2779168404Spjd} 2780168404Spjd 2781219089Spjdtypedef struct zdb_ddt_entry { 2782219089Spjd ddt_key_t zdde_key; 2783219089Spjd uint64_t zdde_ref_blocks; 2784219089Spjd uint64_t zdde_ref_lsize; 2785219089Spjd uint64_t zdde_ref_psize; 2786219089Spjd uint64_t zdde_ref_dsize; 2787219089Spjd avl_node_t zdde_node; 2788219089Spjd} zdb_ddt_entry_t; 2789219089Spjd 2790219089Spjd/* ARGSUSED */ 2791219089Spjdstatic int 2792219089Spjdzdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2793268657Sdelphij const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2794219089Spjd{ 2795219089Spjd avl_tree_t *t = arg; 2796219089Spjd avl_index_t where; 2797219089Spjd zdb_ddt_entry_t *zdde, zdde_search; 2798219089Spjd 2799268649Sdelphij if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) 2800219089Spjd return (0); 2801219089Spjd 2802219089Spjd if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2803219089Spjd (void) printf("traversing objset %llu, %llu objects, " 2804219089Spjd "%lu blocks so far\n", 2805219089Spjd (u_longlong_t)zb->zb_objset, 2806268649Sdelphij (u_longlong_t)BP_GET_FILL(bp), 2807219089Spjd avl_numnodes(t)); 2808219089Spjd } 2809219089Spjd 2810219089Spjd if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2811236884Smm BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 2812219089Spjd return (0); 2813219089Spjd 2814219089Spjd ddt_key_fill(&zdde_search.zdde_key, bp); 2815219089Spjd 2816219089Spjd zdde = avl_find(t, &zdde_search, &where); 2817219089Spjd 2818219089Spjd if (zdde == NULL) { 2819219089Spjd zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2820219089Spjd zdde->zdde_key = zdde_search.zdde_key; 2821219089Spjd avl_insert(t, zdde, where); 2822219089Spjd } 2823219089Spjd 2824219089Spjd zdde->zdde_ref_blocks += 1; 2825219089Spjd zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2826219089Spjd zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2827219089Spjd zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2828219089Spjd 2829219089Spjd return (0); 2830219089Spjd} 2831219089Spjd 2832168404Spjdstatic void 2833219089Spjddump_simulated_ddt(spa_t *spa) 2834219089Spjd{ 2835219089Spjd avl_tree_t t; 2836219089Spjd void *cookie = NULL; 2837219089Spjd zdb_ddt_entry_t *zdde; 2838219089Spjd ddt_histogram_t ddh_total = { 0 }; 2839219089Spjd ddt_stat_t dds_total = { 0 }; 2840219089Spjd 2841219089Spjd avl_create(&t, ddt_entry_compare, 2842219089Spjd sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2843219089Spjd 2844219089Spjd spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2845219089Spjd 2846219089Spjd (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2847219089Spjd zdb_ddt_add_cb, &t); 2848219089Spjd 2849219089Spjd spa_config_exit(spa, SCL_CONFIG, FTAG); 2850219089Spjd 2851219089Spjd while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2852219089Spjd ddt_stat_t dds; 2853219089Spjd uint64_t refcnt = zdde->zdde_ref_blocks; 2854219089Spjd ASSERT(refcnt != 0); 2855219089Spjd 2856219089Spjd dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2857219089Spjd dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2858219089Spjd dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2859219089Spjd dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2860219089Spjd 2861219089Spjd dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2862219089Spjd dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2863219089Spjd dds.dds_ref_psize = zdde->zdde_ref_psize; 2864219089Spjd dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2865219089Spjd 2866265740Sdelphij ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1], 2867265740Sdelphij &dds, 0); 2868219089Spjd 2869219089Spjd umem_free(zdde, sizeof (*zdde)); 2870219089Spjd } 2871219089Spjd 2872219089Spjd avl_destroy(&t); 2873219089Spjd 2874219089Spjd ddt_histogram_stat(&dds_total, &ddh_total); 2875219089Spjd 2876219089Spjd (void) printf("Simulated DDT histogram:\n"); 2877219089Spjd 2878219089Spjd zpool_dump_ddt(&dds_total, &ddh_total); 2879219089Spjd 2880219089Spjd dump_dedup_ratio(&dds_total); 2881219089Spjd} 2882219089Spjd 2883219089Spjdstatic void 2884168404Spjddump_zpool(spa_t *spa) 2885168404Spjd{ 2886168404Spjd dsl_pool_t *dp = spa_get_dsl(spa); 2887168404Spjd int rc = 0; 2888168404Spjd 2889219089Spjd if (dump_opt['S']) { 2890219089Spjd dump_simulated_ddt(spa); 2891219089Spjd return; 2892219089Spjd } 2893219089Spjd 2894219089Spjd if (!dump_opt['e'] && dump_opt['C'] > 1) { 2895219089Spjd (void) printf("\nCached configuration:\n"); 2896219089Spjd dump_nvlist(spa->spa_config, 8); 2897219089Spjd } 2898219089Spjd 2899219089Spjd if (dump_opt['C']) 2900219089Spjd dump_config(spa); 2901219089Spjd 2902168404Spjd if (dump_opt['u']) 2903219089Spjd dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2904168404Spjd 2905219089Spjd if (dump_opt['D']) 2906219089Spjd dump_all_ddts(spa); 2907219089Spjd 2908219089Spjd if (dump_opt['d'] > 2 || dump_opt['m']) 2909219089Spjd dump_metaslabs(spa); 2910269773Sdelphij if (dump_opt['M']) 2911269773Sdelphij dump_metaslab_groups(spa); 2912219089Spjd 2913219089Spjd if (dump_opt['d'] || dump_opt['i']) { 2914168404Spjd dump_dir(dp->dp_meta_objset); 2915168404Spjd if (dump_opt['d'] >= 3) { 2916247852Smm dump_bpobj(&spa->spa_deferred_bpobj, 2917247852Smm "Deferred frees", 0); 2918219089Spjd if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2919219089Spjd dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2920247852Smm "Pool snapshot frees", 0); 2921219089Spjd } 2922236884Smm 2923236884Smm if (spa_feature_is_active(spa, 2924263390Sdelphij SPA_FEATURE_ASYNC_DESTROY)) { 2925236884Smm dump_bptree(spa->spa_meta_objset, 2926236884Smm spa->spa_dsl_pool->dp_bptree_obj, 2927236884Smm "Pool dataset frees"); 2928236884Smm } 2929168404Spjd dump_dtl(spa->spa_root_vdev, 0); 2930209962Smm } 2931219089Spjd (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2932219089Spjd NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2933168404Spjd } 2934219089Spjd if (dump_opt['b'] || dump_opt['c']) 2935168404Spjd rc = dump_block_stats(spa); 2936168404Spjd 2937262093Savg if (rc == 0) 2938262093Savg rc = verify_spacemap_refcounts(spa); 2939262093Savg 2940168404Spjd if (dump_opt['s']) 2941168404Spjd show_pool_stats(spa); 2942168404Spjd 2943219089Spjd if (dump_opt['h']) 2944219089Spjd dump_history(spa); 2945219089Spjd 2946168404Spjd if (rc != 0) 2947168404Spjd exit(rc); 2948168404Spjd} 2949168404Spjd 2950168404Spjd#define ZDB_FLAG_CHECKSUM 0x0001 2951168404Spjd#define ZDB_FLAG_DECOMPRESS 0x0002 2952168404Spjd#define ZDB_FLAG_BSWAP 0x0004 2953168404Spjd#define ZDB_FLAG_GBH 0x0008 2954168404Spjd#define ZDB_FLAG_INDIRECT 0x0010 2955168404Spjd#define ZDB_FLAG_PHYS 0x0020 2956168404Spjd#define ZDB_FLAG_RAW 0x0040 2957168404Spjd#define ZDB_FLAG_PRINT_BLKPTR 0x0080 2958168404Spjd 2959168404Spjdint flagbits[256]; 2960168404Spjd 2961168404Spjdstatic void 2962168404Spjdzdb_print_blkptr(blkptr_t *bp, int flags) 2963168404Spjd{ 2964219089Spjd char blkbuf[BP_SPRINTF_LEN]; 2965168404Spjd 2966168404Spjd if (flags & ZDB_FLAG_BSWAP) 2967168404Spjd byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2968219089Spjd 2969263397Sdelphij snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2970219089Spjd (void) printf("%s\n", blkbuf); 2971168404Spjd} 2972168404Spjd 2973168404Spjdstatic void 2974168404Spjdzdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2975168404Spjd{ 2976168404Spjd int i; 2977168404Spjd 2978168404Spjd for (i = 0; i < nbps; i++) 2979168404Spjd zdb_print_blkptr(&bp[i], flags); 2980168404Spjd} 2981168404Spjd 2982168404Spjdstatic void 2983168404Spjdzdb_dump_gbh(void *buf, int flags) 2984168404Spjd{ 2985168404Spjd zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2986168404Spjd} 2987168404Spjd 2988168404Spjdstatic void 2989168404Spjdzdb_dump_block_raw(void *buf, uint64_t size, int flags) 2990168404Spjd{ 2991168404Spjd if (flags & ZDB_FLAG_BSWAP) 2992168404Spjd byteswap_uint64_array(buf, size); 2993219089Spjd (void) write(1, buf, size); 2994168404Spjd} 2995168404Spjd 2996168404Spjdstatic void 2997168404Spjdzdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2998168404Spjd{ 2999168404Spjd uint64_t *d = (uint64_t *)buf; 3000168404Spjd int nwords = size / sizeof (uint64_t); 3001168404Spjd int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 3002168404Spjd int i, j; 3003168404Spjd char *hdr, *c; 3004168404Spjd 3005168404Spjd 3006168404Spjd if (do_bswap) 3007168404Spjd hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 3008168404Spjd else 3009168404Spjd hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 3010168404Spjd 3011168404Spjd (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 3012168404Spjd 3013168404Spjd for (i = 0; i < nwords; i += 2) { 3014168404Spjd (void) printf("%06llx: %016llx %016llx ", 3015168404Spjd (u_longlong_t)(i * sizeof (uint64_t)), 3016168404Spjd (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 3017168404Spjd (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 3018168404Spjd 3019168404Spjd c = (char *)&d[i]; 3020168404Spjd for (j = 0; j < 2 * sizeof (uint64_t); j++) 3021168404Spjd (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 3022168404Spjd (void) printf("\n"); 3023168404Spjd } 3024168404Spjd} 3025168404Spjd 3026168404Spjd/* 3027168404Spjd * There are two acceptable formats: 3028168404Spjd * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 3029168404Spjd * child[.child]* - For example: 0.1.1 3030168404Spjd * 3031168404Spjd * The second form can be used to specify arbitrary vdevs anywhere 3032168404Spjd * in the heirarchy. For example, in a pool with a mirror of 3033168404Spjd * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 3034168404Spjd */ 3035168404Spjdstatic vdev_t * 3036168404Spjdzdb_vdev_lookup(vdev_t *vdev, char *path) 3037168404Spjd{ 3038168404Spjd char *s, *p, *q; 3039168404Spjd int i; 3040168404Spjd 3041168404Spjd if (vdev == NULL) 3042168404Spjd return (NULL); 3043168404Spjd 3044168404Spjd /* First, assume the x.x.x.x format */ 3045168404Spjd i = (int)strtoul(path, &s, 10); 3046168404Spjd if (s == path || (s && *s != '.' && *s != '\0')) 3047168404Spjd goto name; 3048168404Spjd if (i < 0 || i >= vdev->vdev_children) 3049168404Spjd return (NULL); 3050168404Spjd 3051168404Spjd vdev = vdev->vdev_child[i]; 3052168404Spjd if (*s == '\0') 3053168404Spjd return (vdev); 3054168404Spjd return (zdb_vdev_lookup(vdev, s+1)); 3055168404Spjd 3056168404Spjdname: 3057168404Spjd for (i = 0; i < vdev->vdev_children; i++) { 3058168404Spjd vdev_t *vc = vdev->vdev_child[i]; 3059168404Spjd 3060168404Spjd if (vc->vdev_path == NULL) { 3061168404Spjd vc = zdb_vdev_lookup(vc, path); 3062168404Spjd if (vc == NULL) 3063168404Spjd continue; 3064168404Spjd else 3065168404Spjd return (vc); 3066168404Spjd } 3067168404Spjd 3068168404Spjd p = strrchr(vc->vdev_path, '/'); 3069168404Spjd p = p ? p + 1 : vc->vdev_path; 3070168404Spjd q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 3071168404Spjd 3072168404Spjd if (strcmp(vc->vdev_path, path) == 0) 3073168404Spjd return (vc); 3074168404Spjd if (strcmp(p, path) == 0) 3075168404Spjd return (vc); 3076168404Spjd if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 3077168404Spjd return (vc); 3078168404Spjd } 3079168404Spjd 3080168404Spjd return (NULL); 3081168404Spjd} 3082168404Spjd 3083168404Spjd/* 3084168404Spjd * Read a block from a pool and print it out. The syntax of the 3085168404Spjd * block descriptor is: 3086168404Spjd * 3087168404Spjd * pool:vdev_specifier:offset:size[:flags] 3088168404Spjd * 3089168404Spjd * pool - The name of the pool you wish to read from 3090168404Spjd * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 3091168404Spjd * offset - offset, in hex, in bytes 3092168404Spjd * size - Amount of data to read, in hex, in bytes 3093168404Spjd * flags - A string of characters specifying options 3094168404Spjd * b: Decode a blkptr at given offset within block 3095168404Spjd * *c: Calculate and display checksums 3096219089Spjd * d: Decompress data before dumping 3097168404Spjd * e: Byteswap data before dumping 3098219089Spjd * g: Display data as a gang block header 3099219089Spjd * i: Display as an indirect block 3100168404Spjd * p: Do I/O to physical offset 3101168404Spjd * r: Dump raw data to stdout 3102168404Spjd * 3103168404Spjd * * = not yet implemented 3104168404Spjd */ 3105168404Spjdstatic void 3106219089Spjdzdb_read_block(char *thing, spa_t *spa) 3107168404Spjd{ 3108219089Spjd blkptr_t blk, *bp = &blk; 3109219089Spjd dva_t *dva = bp->blk_dva; 3110168404Spjd int flags = 0; 3111219089Spjd uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 3112168404Spjd zio_t *zio; 3113168404Spjd vdev_t *vd; 3114219089Spjd void *pbuf, *lbuf, *buf; 3115219089Spjd char *s, *p, *dup, *vdev, *flagstr; 3116219089Spjd int i, error; 3117168404Spjd 3118168404Spjd dup = strdup(thing); 3119168404Spjd s = strtok(dup, ":"); 3120168404Spjd vdev = s ? s : ""; 3121168404Spjd s = strtok(NULL, ":"); 3122168404Spjd offset = strtoull(s ? s : "", NULL, 16); 3123168404Spjd s = strtok(NULL, ":"); 3124168404Spjd size = strtoull(s ? s : "", NULL, 16); 3125168404Spjd s = strtok(NULL, ":"); 3126168404Spjd flagstr = s ? s : ""; 3127168404Spjd 3128168404Spjd s = NULL; 3129168404Spjd if (size == 0) 3130168404Spjd s = "size must not be zero"; 3131168404Spjd if (!IS_P2ALIGNED(size, DEV_BSIZE)) 3132168404Spjd s = "size must be a multiple of sector size"; 3133168404Spjd if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 3134168404Spjd s = "offset must be a multiple of sector size"; 3135168404Spjd if (s) { 3136168404Spjd (void) printf("Invalid block specifier: %s - %s\n", thing, s); 3137168404Spjd free(dup); 3138168404Spjd return; 3139168404Spjd } 3140168404Spjd 3141168404Spjd for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 3142168404Spjd for (i = 0; flagstr[i]; i++) { 3143168404Spjd int bit = flagbits[(uchar_t)flagstr[i]]; 3144168404Spjd 3145168404Spjd if (bit == 0) { 3146168404Spjd (void) printf("***Invalid flag: %c\n", 3147168404Spjd flagstr[i]); 3148168404Spjd continue; 3149168404Spjd } 3150168404Spjd flags |= bit; 3151168404Spjd 3152168404Spjd /* If it's not something with an argument, keep going */ 3153219089Spjd if ((bit & (ZDB_FLAG_CHECKSUM | 3154168404Spjd ZDB_FLAG_PRINT_BLKPTR)) == 0) 3155168404Spjd continue; 3156168404Spjd 3157168404Spjd p = &flagstr[i + 1]; 3158168404Spjd if (bit == ZDB_FLAG_PRINT_BLKPTR) 3159168404Spjd blkptr_offset = strtoull(p, &p, 16); 3160168404Spjd if (*p != ':' && *p != '\0') { 3161168404Spjd (void) printf("***Invalid flag arg: '%s'\n", s); 3162168404Spjd free(dup); 3163168404Spjd return; 3164168404Spjd } 3165262104Savg i += p - &flagstr[i + 1]; /* skip over the number */ 3166168404Spjd } 3167168404Spjd } 3168168404Spjd 3169168404Spjd vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 3170168404Spjd if (vd == NULL) { 3171168404Spjd (void) printf("***Invalid vdev: %s\n", vdev); 3172168404Spjd free(dup); 3173168404Spjd return; 3174168404Spjd } else { 3175168404Spjd if (vd->vdev_path) 3176219089Spjd (void) fprintf(stderr, "Found vdev: %s\n", 3177219089Spjd vd->vdev_path); 3178168404Spjd else 3179219089Spjd (void) fprintf(stderr, "Found vdev type: %s\n", 3180168404Spjd vd->vdev_ops->vdev_op_type); 3181168404Spjd } 3182168404Spjd 3183219089Spjd psize = size; 3184219089Spjd lsize = size; 3185168404Spjd 3186219089Spjd pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3187219089Spjd lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3188168404Spjd 3189219089Spjd BP_ZERO(bp); 3190219089Spjd 3191219089Spjd DVA_SET_VDEV(&dva[0], vd->vdev_id); 3192219089Spjd DVA_SET_OFFSET(&dva[0], offset); 3193219089Spjd DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 3194219089Spjd DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 3195219089Spjd 3196219089Spjd BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 3197219089Spjd 3198219089Spjd BP_SET_LSIZE(bp, lsize); 3199219089Spjd BP_SET_PSIZE(bp, psize); 3200219089Spjd BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 3201219089Spjd BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 3202219089Spjd BP_SET_TYPE(bp, DMU_OT_NONE); 3203219089Spjd BP_SET_LEVEL(bp, 0); 3204219089Spjd BP_SET_DEDUP(bp, 0); 3205219089Spjd BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 3206219089Spjd 3207185029Spjd spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 3208168404Spjd zio = zio_root(spa, NULL, NULL, 0); 3209219089Spjd 3210219089Spjd if (vd == vd->vdev_top) { 3211219089Spjd /* 3212219089Spjd * Treat this as a normal block read. 3213219089Spjd */ 3214219089Spjd zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 3215219089Spjd ZIO_PRIORITY_SYNC_READ, 3216219089Spjd ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 3217219089Spjd } else { 3218219089Spjd /* 3219219089Spjd * Treat this as a vdev child I/O. 3220219089Spjd */ 3221219089Spjd zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 3222219089Spjd ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 3223219089Spjd ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 3224219089Spjd ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 3225219089Spjd ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 3226219089Spjd } 3227219089Spjd 3228168404Spjd error = zio_wait(zio); 3229185029Spjd spa_config_exit(spa, SCL_STATE, FTAG); 3230168404Spjd 3231168404Spjd if (error) { 3232168404Spjd (void) printf("Read of %s failed, error: %d\n", thing, error); 3233168404Spjd goto out; 3234168404Spjd } 3235168404Spjd 3236219089Spjd if (flags & ZDB_FLAG_DECOMPRESS) { 3237219089Spjd /* 3238219089Spjd * We don't know how the data was compressed, so just try 3239219089Spjd * every decompress function at every inflated blocksize. 3240219089Spjd */ 3241219089Spjd enum zio_compress c; 3242219089Spjd void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3243219089Spjd void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3244219089Spjd 3245219089Spjd bcopy(pbuf, pbuf2, psize); 3246219089Spjd 3247219089Spjd VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 3248219089Spjd SPA_MAXBLOCKSIZE - psize) == 0); 3249219089Spjd 3250219089Spjd VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 3251219089Spjd SPA_MAXBLOCKSIZE - psize) == 0); 3252219089Spjd 3253219089Spjd for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 3254219089Spjd lsize -= SPA_MINBLOCKSIZE) { 3255219089Spjd for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 3256219089Spjd if (zio_decompress_data(c, pbuf, lbuf, 3257219089Spjd psize, lsize) == 0 && 3258219089Spjd zio_decompress_data(c, pbuf2, lbuf2, 3259219089Spjd psize, lsize) == 0 && 3260219089Spjd bcmp(lbuf, lbuf2, lsize) == 0) 3261219089Spjd break; 3262219089Spjd } 3263219089Spjd if (c != ZIO_COMPRESS_FUNCTIONS) 3264219089Spjd break; 3265219089Spjd lsize -= SPA_MINBLOCKSIZE; 3266219089Spjd } 3267219089Spjd 3268219089Spjd umem_free(pbuf2, SPA_MAXBLOCKSIZE); 3269219089Spjd umem_free(lbuf2, SPA_MAXBLOCKSIZE); 3270219089Spjd 3271219089Spjd if (lsize <= psize) { 3272219089Spjd (void) printf("Decompress of %s failed\n", thing); 3273219089Spjd goto out; 3274219089Spjd } 3275219089Spjd buf = lbuf; 3276219089Spjd size = lsize; 3277219089Spjd } else { 3278219089Spjd buf = pbuf; 3279219089Spjd size = psize; 3280219089Spjd } 3281219089Spjd 3282168404Spjd if (flags & ZDB_FLAG_PRINT_BLKPTR) 3283168404Spjd zdb_print_blkptr((blkptr_t *)(void *) 3284168404Spjd ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 3285168404Spjd else if (flags & ZDB_FLAG_RAW) 3286168404Spjd zdb_dump_block_raw(buf, size, flags); 3287168404Spjd else if (flags & ZDB_FLAG_INDIRECT) 3288168404Spjd zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 3289168404Spjd flags); 3290168404Spjd else if (flags & ZDB_FLAG_GBH) 3291168404Spjd zdb_dump_gbh(buf, flags); 3292168404Spjd else 3293168404Spjd zdb_dump_block(thing, buf, size, flags); 3294168404Spjd 3295168404Spjdout: 3296219089Spjd umem_free(pbuf, SPA_MAXBLOCKSIZE); 3297219089Spjd umem_free(lbuf, SPA_MAXBLOCKSIZE); 3298168404Spjd free(dup); 3299168404Spjd} 3300168404Spjd 3301185029Spjdstatic boolean_t 3302219089Spjdpool_match(nvlist_t *cfg, char *tgt) 3303185029Spjd{ 3304219089Spjd uint64_t v, guid = strtoull(tgt, NULL, 0); 3305185029Spjd char *s; 3306185029Spjd 3307219089Spjd if (guid != 0) { 3308219089Spjd if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 3309219089Spjd return (v == guid); 3310219089Spjd } else { 3311219089Spjd if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 3312219089Spjd return (strcmp(s, tgt) == 0); 3313185029Spjd } 3314185029Spjd return (B_FALSE); 3315185029Spjd} 3316185029Spjd 3317219089Spjdstatic char * 3318219089Spjdfind_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 3319185029Spjd{ 3320219089Spjd nvlist_t *pools; 3321219089Spjd nvlist_t *match = NULL; 3322219089Spjd char *name = NULL; 3323219089Spjd char *sepp = NULL; 3324219089Spjd char sep; 3325219089Spjd int count = 0; 3326219089Spjd importargs_t args = { 0 }; 3327185029Spjd 3328219089Spjd args.paths = dirc; 3329219089Spjd args.path = dirv; 3330219089Spjd args.can_be_active = B_TRUE; 3331185029Spjd 3332219089Spjd if ((sepp = strpbrk(*target, "/@")) != NULL) { 3333219089Spjd sep = *sepp; 3334219089Spjd *sepp = '\0'; 3335185029Spjd } 3336185029Spjd 3337219089Spjd pools = zpool_search_import(g_zfs, &args); 3338185029Spjd 3339185029Spjd if (pools != NULL) { 3340185029Spjd nvpair_t *elem = NULL; 3341185029Spjd while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3342185029Spjd verify(nvpair_value_nvlist(elem, configp) == 0); 3343219089Spjd if (pool_match(*configp, *target)) { 3344219089Spjd count++; 3345185029Spjd if (match != NULL) { 3346219089Spjd /* print previously found config */ 3347219089Spjd if (name != NULL) { 3348219089Spjd (void) printf("%s\n", name); 3349219089Spjd dump_nvlist(match, 8); 3350219089Spjd name = NULL; 3351219089Spjd } 3352219089Spjd (void) printf("%s\n", 3353219089Spjd nvpair_name(elem)); 3354219089Spjd dump_nvlist(*configp, 8); 3355185029Spjd } else { 3356185029Spjd match = *configp; 3357219089Spjd name = nvpair_name(elem); 3358185029Spjd } 3359185029Spjd } 3360185029Spjd } 3361185029Spjd } 3362219089Spjd if (count > 1) 3363219089Spjd (void) fatal("\tMatched %d pools - use pool GUID " 3364219089Spjd "instead of pool name or \n" 3365219089Spjd "\tpool name part of a dataset name to select pool", count); 3366185029Spjd 3367219089Spjd if (sepp) 3368219089Spjd *sepp = sep; 3369219089Spjd /* 3370219089Spjd * If pool GUID was specified for pool id, replace it with pool name 3371219089Spjd */ 3372219089Spjd if (name && (strstr(*target, name) != *target)) { 3373219089Spjd int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3374185029Spjd 3375219089Spjd *target = umem_alloc(sz, UMEM_NOFAIL); 3376219089Spjd (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3377219089Spjd } 3378219089Spjd 3379219089Spjd *configp = name ? match : NULL; 3380219089Spjd 3381219089Spjd return (name); 3382185029Spjd} 3383185029Spjd 3384168404Spjdint 3385168404Spjdmain(int argc, char **argv) 3386168404Spjd{ 3387168404Spjd int i, c; 3388168404Spjd struct rlimit rl = { 1024, 1024 }; 3389219089Spjd spa_t *spa = NULL; 3390168404Spjd objset_t *os = NULL; 3391168404Spjd int dump_all = 1; 3392168404Spjd int verbose = 0; 3393219089Spjd int error = 0; 3394219089Spjd char **searchdirs = NULL; 3395219089Spjd int nsearch = 0; 3396219089Spjd char *target; 3397219089Spjd nvlist_t *policy = NULL; 3398219089Spjd uint64_t max_txg = UINT64_MAX; 3399219089Spjd int rewind = ZPOOL_NEVER_REWIND; 3400168404Spjd 3401168404Spjd (void) setrlimit(RLIMIT_NOFILE, &rl); 3402168404Spjd (void) enable_extended_FILE_stdio(-1, -1); 3403168404Spjd 3404168404Spjd dprintf_setup(&argc, argv); 3405168404Spjd 3406268653Sdelphij while ((c = getopt(argc, argv, 3407269773Sdelphij "bcdhilmMI:suCDRSAFLXx:evp:t:U:P")) != -1) { 3408168404Spjd switch (c) { 3409219089Spjd case 'b': 3410219089Spjd case 'c': 3411168404Spjd case 'd': 3412219089Spjd case 'h': 3413168404Spjd case 'i': 3414219089Spjd case 'l': 3415209962Smm case 'm': 3416168404Spjd case 's': 3417219089Spjd case 'u': 3418168404Spjd case 'C': 3419219089Spjd case 'D': 3420269773Sdelphij case 'M': 3421168404Spjd case 'R': 3422219089Spjd case 'S': 3423168404Spjd dump_opt[c]++; 3424168404Spjd dump_all = 0; 3425168404Spjd break; 3426219089Spjd case 'A': 3427219089Spjd case 'F': 3428209962Smm case 'L': 3429219089Spjd case 'X': 3430219089Spjd case 'e': 3431219089Spjd case 'P': 3432209962Smm dump_opt[c]++; 3433209962Smm break; 3434269773Sdelphij case 'I': 3435263393Sdelphij max_inflight = strtoull(optarg, NULL, 0); 3436263393Sdelphij if (max_inflight == 0) { 3437263393Sdelphij (void) fprintf(stderr, "maximum number " 3438263393Sdelphij "of inflight I/Os must be greater " 3439263393Sdelphij "than 0\n"); 3440263393Sdelphij usage(); 3441263393Sdelphij } 3442263393Sdelphij break; 3443185029Spjd case 'p': 3444219089Spjd if (searchdirs == NULL) { 3445219089Spjd searchdirs = umem_alloc(sizeof (char *), 3446219089Spjd UMEM_NOFAIL); 3447219089Spjd } else { 3448219089Spjd char **tmp = umem_alloc((nsearch + 1) * 3449219089Spjd sizeof (char *), UMEM_NOFAIL); 3450219089Spjd bcopy(searchdirs, tmp, nsearch * 3451219089Spjd sizeof (char *)); 3452219089Spjd umem_free(searchdirs, 3453219089Spjd nsearch * sizeof (char *)); 3454219089Spjd searchdirs = tmp; 3455219089Spjd } 3456219089Spjd searchdirs[nsearch++] = optarg; 3457185029Spjd break; 3458209962Smm case 't': 3459219089Spjd max_txg = strtoull(optarg, NULL, 0); 3460219089Spjd if (max_txg < TXG_INITIAL) { 3461209962Smm (void) fprintf(stderr, "incorrect txg " 3462209962Smm "specified: %s\n", optarg); 3463209962Smm usage(); 3464209962Smm } 3465209962Smm break; 3466219089Spjd case 'U': 3467219089Spjd spa_config_path = optarg; 3468219089Spjd break; 3469269773Sdelphij case 'v': 3470269773Sdelphij verbose++; 3471269773Sdelphij break; 3472269773Sdelphij case 'x': 3473269773Sdelphij vn_dumpdir = optarg; 3474269773Sdelphij break; 3475168404Spjd default: 3476168404Spjd usage(); 3477168404Spjd break; 3478168404Spjd } 3479168404Spjd } 3480168404Spjd 3481219089Spjd if (!dump_opt['e'] && searchdirs != NULL) { 3482208047Smm (void) fprintf(stderr, "-p option requires use of -e\n"); 3483208047Smm usage(); 3484208047Smm } 3485185029Spjd 3486168404Spjd kernel_init(FREAD); 3487185029Spjd g_zfs = libzfs_init(); 3488185029Spjd ASSERT(g_zfs != NULL); 3489168404Spjd 3490219089Spjd if (dump_all) 3491219089Spjd verbose = MAX(verbose, 1); 3492219089Spjd 3493168404Spjd for (c = 0; c < 256; c++) { 3494219089Spjd if (dump_all && !strchr("elAFLRSXP", c)) 3495168404Spjd dump_opt[c] = 1; 3496168404Spjd if (dump_opt[c]) 3497168404Spjd dump_opt[c] += verbose; 3498168404Spjd } 3499168404Spjd 3500219089Spjd aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3501219089Spjd zfs_recover = (dump_opt['A'] > 1); 3502219089Spjd 3503168404Spjd argc -= optind; 3504168404Spjd argv += optind; 3505168404Spjd 3506219089Spjd if (argc < 2 && dump_opt['R']) 3507219089Spjd usage(); 3508168404Spjd if (argc < 1) { 3509219089Spjd if (!dump_opt['e'] && dump_opt['C']) { 3510185029Spjd dump_cachefile(spa_config_path); 3511168404Spjd return (0); 3512168404Spjd } 3513168404Spjd usage(); 3514168404Spjd } 3515168404Spjd 3516168404Spjd if (dump_opt['l']) { 3517168404Spjd dump_label(argv[0]); 3518168404Spjd return (0); 3519168404Spjd } 3520168404Spjd 3521219089Spjd if (dump_opt['X'] || dump_opt['F']) 3522219089Spjd rewind = ZPOOL_DO_REWIND | 3523219089Spjd (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3524168404Spjd 3525219089Spjd if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3526219089Spjd nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3527219089Spjd nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3528219089Spjd fatal("internal error: %s", strerror(ENOMEM)); 3529168404Spjd 3530185029Spjd error = 0; 3531219089Spjd target = argv[0]; 3532185029Spjd 3533219089Spjd if (dump_opt['e']) { 3534219089Spjd nvlist_t *cfg = NULL; 3535219089Spjd char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3536185029Spjd 3537219089Spjd error = ENOENT; 3538219089Spjd if (name) { 3539219089Spjd if (dump_opt['C'] > 1) { 3540219089Spjd (void) printf("\nConfiguration for import:\n"); 3541219089Spjd dump_nvlist(cfg, 8); 3542185029Spjd } 3543219089Spjd if (nvlist_add_nvlist(cfg, 3544219089Spjd ZPOOL_REWIND_POLICY, policy) != 0) { 3545219089Spjd fatal("can't open '%s': %s", 3546219089Spjd target, strerror(ENOMEM)); 3547219089Spjd } 3548219089Spjd if ((error = spa_import(name, cfg, NULL, 3549219089Spjd ZFS_IMPORT_MISSING_LOG)) != 0) { 3550219089Spjd error = spa_import(name, cfg, NULL, 3551219089Spjd ZFS_IMPORT_VERBATIM); 3552219089Spjd } 3553185029Spjd } 3554168404Spjd } 3555168404Spjd 3556185029Spjd if (error == 0) { 3557219089Spjd if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3558219089Spjd error = spa_open_rewind(target, &spa, FTAG, policy, 3559219089Spjd NULL); 3560219089Spjd if (error) { 3561219089Spjd /* 3562219089Spjd * If we're missing the log device then 3563219089Spjd * try opening the pool after clearing the 3564219089Spjd * log state. 3565219089Spjd */ 3566219089Spjd mutex_enter(&spa_namespace_lock); 3567219089Spjd if ((spa = spa_lookup(target)) != NULL && 3568219089Spjd spa->spa_log_state == SPA_LOG_MISSING) { 3569219089Spjd spa->spa_log_state = SPA_LOG_CLEAR; 3570219089Spjd error = 0; 3571219089Spjd } 3572219089Spjd mutex_exit(&spa_namespace_lock); 3573219089Spjd 3574219089Spjd if (!error) { 3575219089Spjd error = spa_open_rewind(target, &spa, 3576219089Spjd FTAG, policy, NULL); 3577219089Spjd } 3578219089Spjd } 3579185029Spjd } else { 3580219089Spjd error = dmu_objset_own(target, DMU_OST_ANY, 3581219089Spjd B_TRUE, FTAG, &os); 3582185029Spjd } 3583185029Spjd } 3584219089Spjd nvlist_free(policy); 3585185029Spjd 3586168404Spjd if (error) 3587219089Spjd fatal("can't open '%s': %s", target, strerror(error)); 3588168404Spjd 3589168404Spjd argv++; 3590219089Spjd argc--; 3591219089Spjd if (!dump_opt['R']) { 3592219089Spjd if (argc > 0) { 3593219089Spjd zopt_objects = argc; 3594219089Spjd zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3595219089Spjd for (i = 0; i < zopt_objects; i++) { 3596219089Spjd errno = 0; 3597219089Spjd zopt_object[i] = strtoull(argv[i], NULL, 0); 3598219089Spjd if (zopt_object[i] == 0 && errno != 0) 3599219089Spjd fatal("bad number %s: %s", 3600219089Spjd argv[i], strerror(errno)); 3601219089Spjd } 3602168404Spjd } 3603244246Smm if (os != NULL) { 3604244246Smm dump_dir(os); 3605244246Smm } else if (zopt_objects > 0 && !dump_opt['m']) { 3606244246Smm dump_dir(spa->spa_meta_objset); 3607244246Smm } else { 3608244246Smm dump_zpool(spa); 3609244246Smm } 3610219089Spjd } else { 3611219089Spjd flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3612219089Spjd flagbits['c'] = ZDB_FLAG_CHECKSUM; 3613219089Spjd flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3614219089Spjd flagbits['e'] = ZDB_FLAG_BSWAP; 3615219089Spjd flagbits['g'] = ZDB_FLAG_GBH; 3616219089Spjd flagbits['i'] = ZDB_FLAG_INDIRECT; 3617219089Spjd flagbits['p'] = ZDB_FLAG_PHYS; 3618219089Spjd flagbits['r'] = ZDB_FLAG_RAW; 3619168404Spjd 3620219089Spjd for (i = 0; i < argc; i++) 3621219089Spjd zdb_read_block(argv[i], spa); 3622168404Spjd } 3623168404Spjd 3624219089Spjd (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3625219089Spjd 3626185029Spjd fuid_table_destroy(); 3627219089Spjd sa_loaded = B_FALSE; 3628185029Spjd 3629185029Spjd libzfs_fini(g_zfs); 3630168404Spjd kernel_fini(); 3631168404Spjd 3632168404Spjd return (0); 3633168404Spjd} 3634