1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013 by Delphix. All rights reserved. 25 */ 26 27#include <stdio.h> 28#include <unistd.h> 29#include <stdio_ext.h> 30#include <stdlib.h> 31#include <ctype.h> 32#include <sys/zfs_context.h> 33#include <sys/spa.h> 34#include <sys/spa_impl.h> 35#include <sys/dmu.h> 36#include <sys/zap.h> 37#include <sys/fs/zfs.h> 38#include <sys/zfs_znode.h> 39#include <sys/zfs_sa.h> 40#include <sys/sa.h> 41#include <sys/sa_impl.h> 42#include <sys/vdev.h> 43#include <sys/vdev_impl.h> 44#include <sys/metaslab_impl.h> 45#include <sys/dmu_objset.h> 46#include <sys/dsl_dir.h> 47#include <sys/dsl_dataset.h> 48#include <sys/dsl_pool.h> 49#include <sys/dbuf.h> 50#include <sys/zil.h> 51#include <sys/zil_impl.h> 52#include <sys/stat.h> 53#include <sys/resource.h> 54#include <sys/dmu_traverse.h> 55#include <sys/zio_checksum.h> 56#include <sys/zio_compress.h> 57#include <sys/zfs_fuid.h> 58#include <sys/arc.h> 59#include <sys/ddt.h> 60#include <sys/zfeature.h> 61#include <zfs_comutil.h> 62#undef ZFS_MAXNAMELEN 63#undef verify 64#include <libzfs.h> 65 66#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 67 zio_compress_table[(idx)].ci_name : "UNKNOWN") 68#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 69 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 70#define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 71 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 72 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 73#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 74 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \ 75 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES)) 76 77#ifndef lint 78extern int zfs_recover; 79#else 80int zfs_recover; 81#endif 82 83const char cmdname[] = "zdb"; 84uint8_t dump_opt[256]; 85 86typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 87 88extern void dump_intent_log(zilog_t *); 89uint64_t *zopt_object = NULL; 90int zopt_objects = 0; 91libzfs_handle_t *g_zfs; 92 93/* 94 * These libumem hooks provide a reasonable set of defaults for the allocator's 95 * debugging facilities. 96 */ 97const char * 98_umem_debug_init() 99{ 100 return ("default,verbose"); /* $UMEM_DEBUG setting */ 101} 102 103const char * 104_umem_logging_init(void) 105{ 106 return ("fail,contents"); /* $UMEM_LOGGING setting */ 107} 108 109static void 110usage(void) 111{ 112 (void) fprintf(stderr, 113 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]]" 114 "poolname [object...]\n" 115 " %s [-divPA] [-e -p path...] dataset [object...]\n" 116 " %s -m [-LXFPA] [-t txg] [-e [-p path...]]" 117 "poolname [vdev [metaslab...]]\n" 118 " %s -R [-A] [-e [-p path...]] poolname " 119 "vdev:offset:size[:flags]\n" 120 " %s -S [-PA] [-e [-p path...]] poolname\n" 121 " %s -l [-uA] device\n" 122 " %s -C [-A] [-U config]\n\n", 123 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 124 125 (void) fprintf(stderr, " Dataset name must include at least one " 126 "separator character '/' or '@'\n"); 127 (void) fprintf(stderr, " If dataset name is specified, only that " 128 "dataset is dumped\n"); 129 (void) fprintf(stderr, " If object numbers are specified, only " 130 "those objects are dumped\n\n"); 131 (void) fprintf(stderr, " Options to control amount of output:\n"); 132 (void) fprintf(stderr, " -u uberblock\n"); 133 (void) fprintf(stderr, " -d dataset(s)\n"); 134 (void) fprintf(stderr, " -i intent logs\n"); 135 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 136 (void) fprintf(stderr, " -h pool history\n"); 137 (void) fprintf(stderr, " -b block statistics\n"); 138 (void) fprintf(stderr, " -m metaslabs\n"); 139 (void) fprintf(stderr, " -c checksum all metadata (twice for " 140 "all data) blocks\n"); 141 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 142 (void) fprintf(stderr, " -D dedup statistics\n"); 143 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 144 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 145 (void) fprintf(stderr, " -l dump label contents\n"); 146 (void) fprintf(stderr, " -L disable leak tracking (do not " 147 "load spacemaps)\n"); 148 (void) fprintf(stderr, " -R read and display block from a " 149 "device\n\n"); 150 (void) fprintf(stderr, " Below options are intended for use " 151 "with other options (except -l):\n"); 152 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 153 "panic recovery (-AA) or both (-AAA)\n"); 154 (void) fprintf(stderr, " -F attempt automatic rewind within " 155 "safe range of transaction groups\n"); 156 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 157 "cachefile\n"); 158 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 159 "work with dataset)\n"); 160 (void) fprintf(stderr, " -e pool is exported/destroyed/" 161 "has altroot/not in a cachefile\n"); 162 (void) fprintf(stderr, " -p <path> -- use one or more with " 163 "-e to specify path to vdev dir\n"); 164 (void) fprintf(stderr, " -P print numbers in parseable form\n"); 165 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 166 "searching for uberblocks\n"); 167 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 168 "to make only that option verbose\n"); 169 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 170 exit(1); 171} 172 173/* 174 * Called for usage errors that are discovered after a call to spa_open(), 175 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 176 */ 177 178static void 179fatal(const char *fmt, ...) 180{ 181 va_list ap; 182 183 va_start(ap, fmt); 184 (void) fprintf(stderr, "%s: ", cmdname); 185 (void) vfprintf(stderr, fmt, ap); 186 va_end(ap); 187 (void) fprintf(stderr, "\n"); 188 189 exit(1); 190} 191 192/* ARGSUSED */ 193static void 194dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 195{ 196 nvlist_t *nv; 197 size_t nvsize = *(uint64_t *)data; 198 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 199 200 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 201 202 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 203 204 umem_free(packed, nvsize); 205 206 dump_nvlist(nv, 8); 207 208 nvlist_free(nv); 209} 210 211/* ARGSUSED */ 212static void 213dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 214{ 215 spa_history_phys_t *shp = data; 216 217 if (shp == NULL) 218 return; 219 220 (void) printf("\t\tpool_create_len = %llu\n", 221 (u_longlong_t)shp->sh_pool_create_len); 222 (void) printf("\t\tphys_max_off = %llu\n", 223 (u_longlong_t)shp->sh_phys_max_off); 224 (void) printf("\t\tbof = %llu\n", 225 (u_longlong_t)shp->sh_bof); 226 (void) printf("\t\teof = %llu\n", 227 (u_longlong_t)shp->sh_eof); 228 (void) printf("\t\trecords_lost = %llu\n", 229 (u_longlong_t)shp->sh_records_lost); 230} 231 232static void 233zdb_nicenum(uint64_t num, char *buf) 234{ 235 if (dump_opt['P']) 236 (void) sprintf(buf, "%llu", (longlong_t)num); 237 else 238 nicenum(num, buf); 239} 240 241const char histo_stars[] = "****************************************"; 242const int histo_width = sizeof (histo_stars) - 1; 243 244static void 245dump_histogram(const uint64_t *histo, int size) 246{ 247 int i; 248 int minidx = size - 1; 249 int maxidx = 0; 250 uint64_t max = 0; 251 252 for (i = 0; i < size; i++) { 253 if (histo[i] > max) 254 max = histo[i]; 255 if (histo[i] > 0 && i > maxidx) 256 maxidx = i; 257 if (histo[i] > 0 && i < minidx) 258 minidx = i; 259 } 260 261 if (max < histo_width) 262 max = histo_width; 263 264 for (i = minidx; i <= maxidx; i++) { 265 (void) printf("\t\t\t%3u: %6llu %s\n", 266 i, (u_longlong_t)histo[i], 267 &histo_stars[(max - histo[i]) * histo_width / max]); 268 } 269} 270 271static void 272dump_zap_stats(objset_t *os, uint64_t object) 273{ 274 int error; 275 zap_stats_t zs; 276 277 error = zap_get_stats(os, object, &zs); 278 if (error) 279 return; 280 281 if (zs.zs_ptrtbl_len == 0) { 282 ASSERT(zs.zs_num_blocks == 1); 283 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 284 (u_longlong_t)zs.zs_blocksize, 285 (u_longlong_t)zs.zs_num_entries); 286 return; 287 } 288 289 (void) printf("\tFat ZAP stats:\n"); 290 291 (void) printf("\t\tPointer table:\n"); 292 (void) printf("\t\t\t%llu elements\n", 293 (u_longlong_t)zs.zs_ptrtbl_len); 294 (void) printf("\t\t\tzt_blk: %llu\n", 295 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 296 (void) printf("\t\t\tzt_numblks: %llu\n", 297 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 298 (void) printf("\t\t\tzt_shift: %llu\n", 299 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 300 (void) printf("\t\t\tzt_blks_copied: %llu\n", 301 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 302 (void) printf("\t\t\tzt_nextblk: %llu\n", 303 (u_longlong_t)zs.zs_ptrtbl_nextblk); 304 305 (void) printf("\t\tZAP entries: %llu\n", 306 (u_longlong_t)zs.zs_num_entries); 307 (void) printf("\t\tLeaf blocks: %llu\n", 308 (u_longlong_t)zs.zs_num_leafs); 309 (void) printf("\t\tTotal blocks: %llu\n", 310 (u_longlong_t)zs.zs_num_blocks); 311 (void) printf("\t\tzap_block_type: 0x%llx\n", 312 (u_longlong_t)zs.zs_block_type); 313 (void) printf("\t\tzap_magic: 0x%llx\n", 314 (u_longlong_t)zs.zs_magic); 315 (void) printf("\t\tzap_salt: 0x%llx\n", 316 (u_longlong_t)zs.zs_salt); 317 318 (void) printf("\t\tLeafs with 2^n pointers:\n"); 319 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE); 320 321 (void) printf("\t\tBlocks with n*5 entries:\n"); 322 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE); 323 324 (void) printf("\t\tBlocks n/10 full:\n"); 325 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE); 326 327 (void) printf("\t\tEntries with n chunks:\n"); 328 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE); 329 330 (void) printf("\t\tBuckets with n entries:\n"); 331 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE); 332} 333 334/*ARGSUSED*/ 335static void 336dump_none(objset_t *os, uint64_t object, void *data, size_t size) 337{ 338} 339 340/*ARGSUSED*/ 341static void 342dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 343{ 344 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 345} 346 347/*ARGSUSED*/ 348void 349dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 350{ 351} 352 353/*ARGSUSED*/ 354static void 355dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 356{ 357} 358 359/*ARGSUSED*/ 360static void 361dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 362{ 363 zap_cursor_t zc; 364 zap_attribute_t attr; 365 void *prop; 366 int i; 367 368 dump_zap_stats(os, object); 369 (void) printf("\n"); 370 371 for (zap_cursor_init(&zc, os, object); 372 zap_cursor_retrieve(&zc, &attr) == 0; 373 zap_cursor_advance(&zc)) { 374 (void) printf("\t\t%s = ", attr.za_name); 375 if (attr.za_num_integers == 0) { 376 (void) printf("\n"); 377 continue; 378 } 379 prop = umem_zalloc(attr.za_num_integers * 380 attr.za_integer_length, UMEM_NOFAIL); 381 (void) zap_lookup(os, object, attr.za_name, 382 attr.za_integer_length, attr.za_num_integers, prop); 383 if (attr.za_integer_length == 1) { 384 (void) printf("%s", (char *)prop); 385 } else { 386 for (i = 0; i < attr.za_num_integers; i++) { 387 switch (attr.za_integer_length) { 388 case 2: 389 (void) printf("%u ", 390 ((uint16_t *)prop)[i]); 391 break; 392 case 4: 393 (void) printf("%u ", 394 ((uint32_t *)prop)[i]); 395 break; 396 case 8: 397 (void) printf("%lld ", 398 (u_longlong_t)((int64_t *)prop)[i]); 399 break; 400 } 401 } 402 } 403 (void) printf("\n"); 404 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 405 } 406 zap_cursor_fini(&zc); 407} 408 409/*ARGSUSED*/ 410static void 411dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 412{ 413 dump_zap_stats(os, object); 414 /* contents are printed elsewhere, properly decoded */ 415} 416 417/*ARGSUSED*/ 418static void 419dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 420{ 421 zap_cursor_t zc; 422 zap_attribute_t attr; 423 424 dump_zap_stats(os, object); 425 (void) printf("\n"); 426 427 for (zap_cursor_init(&zc, os, object); 428 zap_cursor_retrieve(&zc, &attr) == 0; 429 zap_cursor_advance(&zc)) { 430 (void) printf("\t\t%s = ", attr.za_name); 431 if (attr.za_num_integers == 0) { 432 (void) printf("\n"); 433 continue; 434 } 435 (void) printf(" %llx : [%d:%d:%d]\n", 436 (u_longlong_t)attr.za_first_integer, 437 (int)ATTR_LENGTH(attr.za_first_integer), 438 (int)ATTR_BSWAP(attr.za_first_integer), 439 (int)ATTR_NUM(attr.za_first_integer)); 440 } 441 zap_cursor_fini(&zc); 442} 443 444/*ARGSUSED*/ 445static void 446dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 447{ 448 zap_cursor_t zc; 449 zap_attribute_t attr; 450 uint16_t *layout_attrs; 451 int i; 452 453 dump_zap_stats(os, object); 454 (void) printf("\n"); 455 456 for (zap_cursor_init(&zc, os, object); 457 zap_cursor_retrieve(&zc, &attr) == 0; 458 zap_cursor_advance(&zc)) { 459 (void) printf("\t\t%s = [", attr.za_name); 460 if (attr.za_num_integers == 0) { 461 (void) printf("\n"); 462 continue; 463 } 464 465 VERIFY(attr.za_integer_length == 2); 466 layout_attrs = umem_zalloc(attr.za_num_integers * 467 attr.za_integer_length, UMEM_NOFAIL); 468 469 VERIFY(zap_lookup(os, object, attr.za_name, 470 attr.za_integer_length, 471 attr.za_num_integers, layout_attrs) == 0); 472 473 for (i = 0; i != attr.za_num_integers; i++) 474 (void) printf(" %d ", (int)layout_attrs[i]); 475 (void) printf("]\n"); 476 umem_free(layout_attrs, 477 attr.za_num_integers * attr.za_integer_length); 478 } 479 zap_cursor_fini(&zc); 480} 481 482/*ARGSUSED*/ 483static void 484dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 485{ 486 zap_cursor_t zc; 487 zap_attribute_t attr; 488 const char *typenames[] = { 489 /* 0 */ "not specified", 490 /* 1 */ "FIFO", 491 /* 2 */ "Character Device", 492 /* 3 */ "3 (invalid)", 493 /* 4 */ "Directory", 494 /* 5 */ "5 (invalid)", 495 /* 6 */ "Block Device", 496 /* 7 */ "7 (invalid)", 497 /* 8 */ "Regular File", 498 /* 9 */ "9 (invalid)", 499 /* 10 */ "Symbolic Link", 500 /* 11 */ "11 (invalid)", 501 /* 12 */ "Socket", 502 /* 13 */ "Door", 503 /* 14 */ "Event Port", 504 /* 15 */ "15 (invalid)", 505 }; 506 507 dump_zap_stats(os, object); 508 (void) printf("\n"); 509 510 for (zap_cursor_init(&zc, os, object); 511 zap_cursor_retrieve(&zc, &attr) == 0; 512 zap_cursor_advance(&zc)) { 513 (void) printf("\t\t%s = %lld (type: %s)\n", 514 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 515 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 516 } 517 zap_cursor_fini(&zc); 518} 519 520static void 521dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 522{ 523 uint64_t alloc, offset, entry; 524 uint8_t mapshift = sm->sm_shift; 525 uint64_t mapstart = sm->sm_start; 526 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 527 "INVALID", "INVALID", "INVALID", "INVALID" }; 528 529 if (smo->smo_object == 0) 530 return; 531 532 /* 533 * Print out the freelist entries in both encoded and decoded form. 534 */ 535 alloc = 0; 536 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 537 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 538 sizeof (entry), &entry, DMU_READ_PREFETCH)); 539 if (SM_DEBUG_DECODE(entry)) { 540 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 541 (u_longlong_t)(offset / sizeof (entry)), 542 ddata[SM_DEBUG_ACTION_DECODE(entry)], 543 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 544 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 545 } else { 546 (void) printf("\t [%6llu] %c range:" 547 " %010llx-%010llx size: %06llx\n", 548 (u_longlong_t)(offset / sizeof (entry)), 549 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 550 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 551 mapshift) + mapstart), 552 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 553 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 554 mapshift)), 555 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 556 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 557 alloc += SM_RUN_DECODE(entry) << mapshift; 558 else 559 alloc -= SM_RUN_DECODE(entry) << mapshift; 560 } 561 } 562 if (alloc != smo->smo_alloc) { 563 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 564 "with space map summary (%llu)\n", 565 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 566 } 567} 568 569static void 570dump_metaslab_stats(metaslab_t *msp) 571{ 572 char maxbuf[32]; 573 space_map_t *sm = msp->ms_map; 574 avl_tree_t *t = sm->sm_pp_root; 575 int free_pct = sm->sm_space * 100 / sm->sm_size; 576 577 zdb_nicenum(space_map_maxsize(sm), maxbuf); 578 579 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 580 "segments", avl_numnodes(t), "maxsize", maxbuf, 581 "freepct", free_pct); 582} 583 584static void 585dump_metaslab(metaslab_t *msp) 586{ 587 vdev_t *vd = msp->ms_group->mg_vd; 588 spa_t *spa = vd->vdev_spa; 589 space_map_t *sm = msp->ms_map; 590 space_map_obj_t *smo = &msp->ms_smo; 591 char freebuf[32]; 592 593 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 594 595 (void) printf( 596 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 597 (u_longlong_t)(sm->sm_start / sm->sm_size), 598 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 599 600 if (dump_opt['m'] > 1 && !dump_opt['L']) { 601 mutex_enter(&msp->ms_lock); 602 space_map_load_wait(sm); 603 if (!sm->sm_loaded) 604 VERIFY(space_map_load(sm, zfs_metaslab_ops, 605 SM_FREE, smo, spa->spa_meta_objset) == 0); 606 dump_metaslab_stats(msp); 607 space_map_unload(sm); 608 mutex_exit(&msp->ms_lock); 609 } 610 611 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 612 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 613 614 mutex_enter(&msp->ms_lock); 615 dump_spacemap(spa->spa_meta_objset, smo, sm); 616 mutex_exit(&msp->ms_lock); 617 } 618} 619 620static void 621print_vdev_metaslab_header(vdev_t *vd) 622{ 623 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 624 (u_longlong_t)vd->vdev_id, 625 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 626 "offset", "spacemap", "free"); 627 (void) printf("\t%15s %19s %15s %10s\n", 628 "---------------", "-------------------", 629 "---------------", "-------------"); 630} 631 632static void 633dump_metaslabs(spa_t *spa) 634{ 635 vdev_t *vd, *rvd = spa->spa_root_vdev; 636 uint64_t m, c = 0, children = rvd->vdev_children; 637 638 (void) printf("\nMetaslabs:\n"); 639 640 if (!dump_opt['d'] && zopt_objects > 0) { 641 c = zopt_object[0]; 642 643 if (c >= children) 644 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 645 646 if (zopt_objects > 1) { 647 vd = rvd->vdev_child[c]; 648 print_vdev_metaslab_header(vd); 649 650 for (m = 1; m < zopt_objects; m++) { 651 if (zopt_object[m] < vd->vdev_ms_count) 652 dump_metaslab( 653 vd->vdev_ms[zopt_object[m]]); 654 else 655 (void) fprintf(stderr, "bad metaslab " 656 "number %llu\n", 657 (u_longlong_t)zopt_object[m]); 658 } 659 (void) printf("\n"); 660 return; 661 } 662 children = c + 1; 663 } 664 for (; c < children; c++) { 665 vd = rvd->vdev_child[c]; 666 print_vdev_metaslab_header(vd); 667 668 for (m = 0; m < vd->vdev_ms_count; m++) 669 dump_metaslab(vd->vdev_ms[m]); 670 (void) printf("\n"); 671 } 672} 673 674static void 675dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 676{ 677 const ddt_phys_t *ddp = dde->dde_phys; 678 const ddt_key_t *ddk = &dde->dde_key; 679 char *types[4] = { "ditto", "single", "double", "triple" }; 680 char blkbuf[BP_SPRINTF_LEN]; 681 blkptr_t blk; 682 683 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 684 if (ddp->ddp_phys_birth == 0) 685 continue; 686 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 687 sprintf_blkptr(blkbuf, &blk); 688 (void) printf("index %llx refcnt %llu %s %s\n", 689 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 690 types[p], blkbuf); 691 } 692} 693 694static void 695dump_dedup_ratio(const ddt_stat_t *dds) 696{ 697 double rL, rP, rD, D, dedup, compress, copies; 698 699 if (dds->dds_blocks == 0) 700 return; 701 702 rL = (double)dds->dds_ref_lsize; 703 rP = (double)dds->dds_ref_psize; 704 rD = (double)dds->dds_ref_dsize; 705 D = (double)dds->dds_dsize; 706 707 dedup = rD / D; 708 compress = rL / rP; 709 copies = rD / rP; 710 711 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 712 "dedup * compress / copies = %.2f\n\n", 713 dedup, compress, copies, dedup * compress / copies); 714} 715 716static void 717dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 718{ 719 char name[DDT_NAMELEN]; 720 ddt_entry_t dde; 721 uint64_t walk = 0; 722 dmu_object_info_t doi; 723 uint64_t count, dspace, mspace; 724 int error; 725 726 error = ddt_object_info(ddt, type, class, &doi); 727 728 if (error == ENOENT) 729 return; 730 ASSERT(error == 0); 731 732 error = ddt_object_count(ddt, type, class, &count); 733 ASSERT(error == 0); 734 if (count == 0) 735 return; 736 737 dspace = doi.doi_physical_blocks_512 << 9; 738 mspace = doi.doi_fill_count * doi.doi_data_block_size; 739 740 ddt_object_name(ddt, type, class, name); 741 742 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 743 name, 744 (u_longlong_t)count, 745 (u_longlong_t)(dspace / count), 746 (u_longlong_t)(mspace / count)); 747 748 if (dump_opt['D'] < 3) 749 return; 750 751 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 752 753 if (dump_opt['D'] < 4) 754 return; 755 756 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 757 return; 758 759 (void) printf("%s contents:\n\n", name); 760 761 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 762 dump_dde(ddt, &dde, walk); 763 764 ASSERT(error == ENOENT); 765 766 (void) printf("\n"); 767} 768 769static void 770dump_all_ddts(spa_t *spa) 771{ 772 ddt_histogram_t ddh_total = { 0 }; 773 ddt_stat_t dds_total = { 0 }; 774 775 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 776 ddt_t *ddt = spa->spa_ddt[c]; 777 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 778 for (enum ddt_class class = 0; class < DDT_CLASSES; 779 class++) { 780 dump_ddt(ddt, type, class); 781 } 782 } 783 } 784 785 ddt_get_dedup_stats(spa, &dds_total); 786 787 if (dds_total.dds_blocks == 0) { 788 (void) printf("All DDTs are empty\n"); 789 return; 790 } 791 792 (void) printf("\n"); 793 794 if (dump_opt['D'] > 1) { 795 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 796 ddt_get_dedup_histogram(spa, &ddh_total); 797 zpool_dump_ddt(&dds_total, &ddh_total); 798 } 799 800 dump_dedup_ratio(&dds_total); 801} 802 803static void 804dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 805{ 806 char *prefix = (void *)sm; 807 808 (void) printf("%s [%llu,%llu) length %llu\n", 809 prefix, 810 (u_longlong_t)start, 811 (u_longlong_t)(start + size), 812 (u_longlong_t)(size)); 813} 814 815static void 816dump_dtl(vdev_t *vd, int indent) 817{ 818 spa_t *spa = vd->vdev_spa; 819 boolean_t required; 820 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 821 char prefix[256]; 822 823 spa_vdev_state_enter(spa, SCL_NONE); 824 required = vdev_dtl_required(vd); 825 (void) spa_vdev_state_exit(spa, NULL, 0); 826 827 if (indent == 0) 828 (void) printf("\nDirty time logs:\n\n"); 829 830 (void) printf("\t%*s%s [%s]\n", indent, "", 831 vd->vdev_path ? vd->vdev_path : 832 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 833 required ? "DTL-required" : "DTL-expendable"); 834 835 for (int t = 0; t < DTL_TYPES; t++) { 836 space_map_t *sm = &vd->vdev_dtl[t]; 837 if (sm->sm_space == 0) 838 continue; 839 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 840 indent + 2, "", name[t]); 841 mutex_enter(sm->sm_lock); 842 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 843 mutex_exit(sm->sm_lock); 844 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 845 dump_spacemap(spa->spa_meta_objset, 846 &vd->vdev_dtl_smo, sm); 847 } 848 849 for (int c = 0; c < vd->vdev_children; c++) 850 dump_dtl(vd->vdev_child[c], indent + 4); 851} 852 853static void 854dump_history(spa_t *spa) 855{ 856 nvlist_t **events = NULL; 857 char buf[SPA_MAXBLOCKSIZE]; 858 uint64_t resid, len, off = 0; 859 uint_t num = 0; 860 int error; 861 time_t tsec; 862 struct tm t; 863 char tbuf[30]; 864 char internalstr[MAXPATHLEN]; 865 866 do { 867 len = sizeof (buf); 868 869 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 870 (void) fprintf(stderr, "Unable to read history: " 871 "error %d\n", error); 872 return; 873 } 874 875 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 876 break; 877 878 off -= resid; 879 } while (len != 0); 880 881 (void) printf("\nHistory:\n"); 882 for (int i = 0; i < num; i++) { 883 uint64_t time, txg, ievent; 884 char *cmd, *intstr; 885 boolean_t printed = B_FALSE; 886 887 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 888 &time) != 0) 889 goto next; 890 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 891 &cmd) != 0) { 892 if (nvlist_lookup_uint64(events[i], 893 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 894 goto next; 895 verify(nvlist_lookup_uint64(events[i], 896 ZPOOL_HIST_TXG, &txg) == 0); 897 verify(nvlist_lookup_string(events[i], 898 ZPOOL_HIST_INT_STR, &intstr) == 0); 899 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 900 goto next; 901 902 (void) snprintf(internalstr, 903 sizeof (internalstr), 904 "[internal %s txg:%lld] %s", 905 zfs_history_event_names[ievent], txg, 906 intstr); 907 cmd = internalstr; 908 } 909 tsec = time; 910 (void) localtime_r(&tsec, &t); 911 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 912 (void) printf("%s %s\n", tbuf, cmd); 913 printed = B_TRUE; 914 915next: 916 if (dump_opt['h'] > 1) { 917 if (!printed) 918 (void) printf("unrecognized record:\n"); 919 dump_nvlist(events[i], 2); 920 } 921 } 922} 923 924/*ARGSUSED*/ 925static void 926dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 927{ 928} 929 930static uint64_t 931blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 932{ 933 if (dnp == NULL) { 934 ASSERT(zb->zb_level < 0); 935 if (zb->zb_object == 0) 936 return (zb->zb_blkid); 937 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 938 } 939 940 ASSERT(zb->zb_level >= 0); 941 942 return ((zb->zb_blkid << 943 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 944 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 945} 946 947static void 948sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp) 949{ 950 const dva_t *dva = bp->blk_dva; 951 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 952 953 if (dump_opt['b'] >= 6) { 954 sprintf_blkptr(blkbuf, bp); 955 return; 956 } 957 958 blkbuf[0] = '\0'; 959 960 for (int i = 0; i < ndvas; i++) 961 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 962 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 963 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 964 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 965 966 (void) sprintf(blkbuf + strlen(blkbuf), 967 "%llxL/%llxP F=%llu B=%llu/%llu", 968 (u_longlong_t)BP_GET_LSIZE(bp), 969 (u_longlong_t)BP_GET_PSIZE(bp), 970 (u_longlong_t)bp->blk_fill, 971 (u_longlong_t)bp->blk_birth, 972 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 973} 974 975static void 976print_indirect(blkptr_t *bp, const zbookmark_t *zb, 977 const dnode_phys_t *dnp) 978{ 979 char blkbuf[BP_SPRINTF_LEN]; 980 int l; 981 982 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 983 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 984 985 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 986 987 ASSERT(zb->zb_level >= 0); 988 989 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 990 if (l == zb->zb_level) { 991 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 992 } else { 993 (void) printf(" "); 994 } 995 } 996 997 sprintf_blkptr_compact(blkbuf, bp); 998 (void) printf("%s\n", blkbuf); 999} 1000 1001static int 1002visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1003 blkptr_t *bp, const zbookmark_t *zb) 1004{ 1005 int err = 0; 1006 1007 if (bp->blk_birth == 0) 1008 return (0); 1009 1010 print_indirect(bp, zb, dnp); 1011 1012 if (BP_GET_LEVEL(bp) > 0) { 1013 uint32_t flags = ARC_WAIT; 1014 int i; 1015 blkptr_t *cbp; 1016 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1017 arc_buf_t *buf; 1018 uint64_t fill = 0; 1019 1020 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 1021 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1022 if (err) 1023 return (err); 1024 ASSERT(buf->b_data); 1025 1026 /* recursively visit blocks below this */ 1027 cbp = buf->b_data; 1028 for (i = 0; i < epb; i++, cbp++) { 1029 zbookmark_t czb; 1030 1031 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1032 zb->zb_level - 1, 1033 zb->zb_blkid * epb + i); 1034 err = visit_indirect(spa, dnp, cbp, &czb); 1035 if (err) 1036 break; 1037 fill += cbp->blk_fill; 1038 } 1039 if (!err) 1040 ASSERT3U(fill, ==, bp->blk_fill); 1041 (void) arc_buf_remove_ref(buf, &buf); 1042 } 1043 1044 return (err); 1045} 1046 1047/*ARGSUSED*/ 1048static void 1049dump_indirect(dnode_t *dn) 1050{ 1051 dnode_phys_t *dnp = dn->dn_phys; 1052 int j; 1053 zbookmark_t czb; 1054 1055 (void) printf("Indirect blocks:\n"); 1056 1057 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1058 dn->dn_object, dnp->dn_nlevels - 1, 0); 1059 for (j = 0; j < dnp->dn_nblkptr; j++) { 1060 czb.zb_blkid = j; 1061 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1062 &dnp->dn_blkptr[j], &czb); 1063 } 1064 1065 (void) printf("\n"); 1066} 1067 1068/*ARGSUSED*/ 1069static void 1070dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1071{ 1072 dsl_dir_phys_t *dd = data; 1073 time_t crtime; 1074 char nice[32]; 1075 1076 if (dd == NULL) 1077 return; 1078 1079 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1080 1081 crtime = dd->dd_creation_time; 1082 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1083 (void) printf("\t\thead_dataset_obj = %llu\n", 1084 (u_longlong_t)dd->dd_head_dataset_obj); 1085 (void) printf("\t\tparent_dir_obj = %llu\n", 1086 (u_longlong_t)dd->dd_parent_obj); 1087 (void) printf("\t\torigin_obj = %llu\n", 1088 (u_longlong_t)dd->dd_origin_obj); 1089 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1090 (u_longlong_t)dd->dd_child_dir_zapobj); 1091 zdb_nicenum(dd->dd_used_bytes, nice); 1092 (void) printf("\t\tused_bytes = %s\n", nice); 1093 zdb_nicenum(dd->dd_compressed_bytes, nice); 1094 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1095 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1096 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1097 zdb_nicenum(dd->dd_quota, nice); 1098 (void) printf("\t\tquota = %s\n", nice); 1099 zdb_nicenum(dd->dd_reserved, nice); 1100 (void) printf("\t\treserved = %s\n", nice); 1101 (void) printf("\t\tprops_zapobj = %llu\n", 1102 (u_longlong_t)dd->dd_props_zapobj); 1103 (void) printf("\t\tdeleg_zapobj = %llu\n", 1104 (u_longlong_t)dd->dd_deleg_zapobj); 1105 (void) printf("\t\tflags = %llx\n", 1106 (u_longlong_t)dd->dd_flags); 1107 1108#define DO(which) \ 1109 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1110 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1111 DO(HEAD); 1112 DO(SNAP); 1113 DO(CHILD); 1114 DO(CHILD_RSRV); 1115 DO(REFRSRV); 1116#undef DO 1117} 1118 1119/*ARGSUSED*/ 1120static void 1121dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1122{ 1123 dsl_dataset_phys_t *ds = data; 1124 time_t crtime; 1125 char used[32], compressed[32], uncompressed[32], unique[32]; 1126 char blkbuf[BP_SPRINTF_LEN]; 1127 1128 if (ds == NULL) 1129 return; 1130 1131 ASSERT(size == sizeof (*ds)); 1132 crtime = ds->ds_creation_time; 1133 zdb_nicenum(ds->ds_referenced_bytes, used); 1134 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1135 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1136 zdb_nicenum(ds->ds_unique_bytes, unique); 1137 sprintf_blkptr(blkbuf, &ds->ds_bp); 1138 1139 (void) printf("\t\tdir_obj = %llu\n", 1140 (u_longlong_t)ds->ds_dir_obj); 1141 (void) printf("\t\tprev_snap_obj = %llu\n", 1142 (u_longlong_t)ds->ds_prev_snap_obj); 1143 (void) printf("\t\tprev_snap_txg = %llu\n", 1144 (u_longlong_t)ds->ds_prev_snap_txg); 1145 (void) printf("\t\tnext_snap_obj = %llu\n", 1146 (u_longlong_t)ds->ds_next_snap_obj); 1147 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1148 (u_longlong_t)ds->ds_snapnames_zapobj); 1149 (void) printf("\t\tnum_children = %llu\n", 1150 (u_longlong_t)ds->ds_num_children); 1151 (void) printf("\t\tuserrefs_obj = %llu\n", 1152 (u_longlong_t)ds->ds_userrefs_obj); 1153 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1154 (void) printf("\t\tcreation_txg = %llu\n", 1155 (u_longlong_t)ds->ds_creation_txg); 1156 (void) printf("\t\tdeadlist_obj = %llu\n", 1157 (u_longlong_t)ds->ds_deadlist_obj); 1158 (void) printf("\t\tused_bytes = %s\n", used); 1159 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1160 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1161 (void) printf("\t\tunique = %s\n", unique); 1162 (void) printf("\t\tfsid_guid = %llu\n", 1163 (u_longlong_t)ds->ds_fsid_guid); 1164 (void) printf("\t\tguid = %llu\n", 1165 (u_longlong_t)ds->ds_guid); 1166 (void) printf("\t\tflags = %llx\n", 1167 (u_longlong_t)ds->ds_flags); 1168 (void) printf("\t\tnext_clones_obj = %llu\n", 1169 (u_longlong_t)ds->ds_next_clones_obj); 1170 (void) printf("\t\tprops_obj = %llu\n", 1171 (u_longlong_t)ds->ds_props_obj); 1172 (void) printf("\t\tbp = %s\n", blkbuf); 1173} 1174 1175/* ARGSUSED */ 1176static int 1177dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1178{ 1179 char blkbuf[BP_SPRINTF_LEN]; 1180 1181 if (bp->blk_birth != 0) { 1182 sprintf_blkptr(blkbuf, bp); 1183 (void) printf("\t%s\n", blkbuf); 1184 } 1185 return (0); 1186} 1187 1188static void 1189dump_bptree(objset_t *os, uint64_t obj, char *name) 1190{ 1191 char bytes[32]; 1192 bptree_phys_t *bt; 1193 dmu_buf_t *db; 1194 1195 if (dump_opt['d'] < 3) 1196 return; 1197 1198 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1199 bt = db->db_data; 1200 zdb_nicenum(bt->bt_bytes, bytes); 1201 (void) printf("\n %s: %llu datasets, %s\n", 1202 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1203 dmu_buf_rele(db, FTAG); 1204 1205 if (dump_opt['d'] < 5) 1206 return; 1207 1208 (void) printf("\n"); 1209 1210 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1211} 1212 1213/* ARGSUSED */ 1214static int 1215dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1216{ 1217 char blkbuf[BP_SPRINTF_LEN]; 1218 1219 ASSERT(bp->blk_birth != 0); 1220 sprintf_blkptr_compact(blkbuf, bp); 1221 (void) printf("\t%s\n", blkbuf); 1222 return (0); 1223} 1224 1225static void 1226dump_bpobj(bpobj_t *bpo, char *name, int indent) 1227{ 1228 char bytes[32]; 1229 char comp[32]; 1230 char uncomp[32]; 1231 1232 if (dump_opt['d'] < 3) 1233 return; 1234 1235 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1236 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 1237 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1238 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1239 (void) printf(" %*s: object %llu, %llu local blkptrs, " 1240 "%llu subobjs, %s (%s/%s comp)\n", 1241 indent * 8, name, 1242 (u_longlong_t)bpo->bpo_object, 1243 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1244 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1245 bytes, comp, uncomp); 1246 1247 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1248 uint64_t subobj; 1249 bpobj_t subbpo; 1250 int error; 1251 VERIFY0(dmu_read(bpo->bpo_os, 1252 bpo->bpo_phys->bpo_subobjs, 1253 i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1254 error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1255 if (error != 0) { 1256 (void) printf("ERROR %u while trying to open " 1257 "subobj id %llu\n", 1258 error, (u_longlong_t)subobj); 1259 continue; 1260 } 1261 dump_bpobj(&subbpo, "subobj", indent + 1); 1262 bpobj_close(&subbpo); 1263 } 1264 } else { 1265 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1266 indent * 8, name, 1267 (u_longlong_t)bpo->bpo_object, 1268 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1269 bytes); 1270 } 1271 1272 if (dump_opt['d'] < 5) 1273 return; 1274 1275 1276 if (indent == 0) { 1277 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1278 (void) printf("\n"); 1279 } 1280} 1281 1282static void 1283dump_deadlist(dsl_deadlist_t *dl) 1284{ 1285 dsl_deadlist_entry_t *dle; 1286 uint64_t unused; 1287 char bytes[32]; 1288 char comp[32]; 1289 char uncomp[32]; 1290 1291 if (dump_opt['d'] < 3) 1292 return; 1293 1294 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1295 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1296 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1297 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1298 bytes, comp, uncomp); 1299 1300 if (dump_opt['d'] < 4) 1301 return; 1302 1303 (void) printf("\n"); 1304 1305 /* force the tree to be loaded */ 1306 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1307 1308 for (dle = avl_first(&dl->dl_tree); dle; 1309 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1310 if (dump_opt['d'] >= 5) { 1311 char buf[128]; 1312 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ", 1313 (longlong_t)dle->dle_mintxg, 1314 (longlong_t)dle->dle_bpobj.bpo_object); 1315 1316 dump_bpobj(&dle->dle_bpobj, buf, 0); 1317 } else { 1318 (void) printf("mintxg %llu -> obj %llu\n", 1319 (longlong_t)dle->dle_mintxg, 1320 (longlong_t)dle->dle_bpobj.bpo_object); 1321 1322 } 1323 } 1324} 1325 1326static avl_tree_t idx_tree; 1327static avl_tree_t domain_tree; 1328static boolean_t fuid_table_loaded; 1329static boolean_t sa_loaded; 1330sa_attr_type_t *sa_attr_table; 1331 1332static void 1333fuid_table_destroy() 1334{ 1335 if (fuid_table_loaded) { 1336 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1337 fuid_table_loaded = B_FALSE; 1338 } 1339} 1340 1341/* 1342 * print uid or gid information. 1343 * For normal POSIX id just the id is printed in decimal format. 1344 * For CIFS files with FUID the fuid is printed in hex followed by 1345 * the domain-rid string. 1346 */ 1347static void 1348print_idstr(uint64_t id, const char *id_type) 1349{ 1350 if (FUID_INDEX(id)) { 1351 char *domain; 1352 1353 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1354 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1355 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1356 } else { 1357 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1358 } 1359 1360} 1361 1362static void 1363dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1364{ 1365 uint32_t uid_idx, gid_idx; 1366 1367 uid_idx = FUID_INDEX(uid); 1368 gid_idx = FUID_INDEX(gid); 1369 1370 /* Load domain table, if not already loaded */ 1371 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1372 uint64_t fuid_obj; 1373 1374 /* first find the fuid object. It lives in the master node */ 1375 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1376 8, 1, &fuid_obj) == 0); 1377 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1378 (void) zfs_fuid_table_load(os, fuid_obj, 1379 &idx_tree, &domain_tree); 1380 fuid_table_loaded = B_TRUE; 1381 } 1382 1383 print_idstr(uid, "uid"); 1384 print_idstr(gid, "gid"); 1385} 1386 1387/*ARGSUSED*/ 1388static void 1389dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1390{ 1391 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1392 sa_handle_t *hdl; 1393 uint64_t xattr, rdev, gen; 1394 uint64_t uid, gid, mode, fsize, parent, links; 1395 uint64_t pflags; 1396 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1397 time_t z_crtime, z_atime, z_mtime, z_ctime; 1398 sa_bulk_attr_t bulk[12]; 1399 int idx = 0; 1400 int error; 1401 1402 if (!sa_loaded) { 1403 uint64_t sa_attrs = 0; 1404 uint64_t version; 1405 1406 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1407 8, 1, &version) == 0); 1408 if (version >= ZPL_VERSION_SA) { 1409 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1410 8, 1, &sa_attrs) == 0); 1411 } 1412 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1413 ZPL_END, &sa_attr_table)) != 0) { 1414 (void) printf("sa_setup failed errno %d, can't " 1415 "display znode contents\n", error); 1416 return; 1417 } 1418 sa_loaded = B_TRUE; 1419 } 1420 1421 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1422 (void) printf("Failed to get handle for SA znode\n"); 1423 return; 1424 } 1425 1426 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1427 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1428 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1429 &links, 8); 1430 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1431 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1432 &mode, 8); 1433 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1434 NULL, &parent, 8); 1435 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1436 &fsize, 8); 1437 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1438 acctm, 16); 1439 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1440 modtm, 16); 1441 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1442 crtm, 16); 1443 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1444 chgtm, 16); 1445 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1446 &pflags, 8); 1447 1448 if (sa_bulk_lookup(hdl, bulk, idx)) { 1449 (void) sa_handle_destroy(hdl); 1450 return; 1451 } 1452 1453 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1454 if (error != 0) { 1455 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1456 (u_longlong_t)object); 1457 } 1458 if (dump_opt['d'] < 3) { 1459 (void) printf("\t%s\n", path); 1460 (void) sa_handle_destroy(hdl); 1461 return; 1462 } 1463 1464 z_crtime = (time_t)crtm[0]; 1465 z_atime = (time_t)acctm[0]; 1466 z_mtime = (time_t)modtm[0]; 1467 z_ctime = (time_t)chgtm[0]; 1468 1469 (void) printf("\tpath %s\n", path); 1470 dump_uidgid(os, uid, gid); 1471 (void) printf("\tatime %s", ctime(&z_atime)); 1472 (void) printf("\tmtime %s", ctime(&z_mtime)); 1473 (void) printf("\tctime %s", ctime(&z_ctime)); 1474 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1475 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1476 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1477 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1478 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1479 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1480 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1481 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1482 sizeof (uint64_t)) == 0) 1483 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1484 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1485 sizeof (uint64_t)) == 0) 1486 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1487 sa_handle_destroy(hdl); 1488} 1489 1490/*ARGSUSED*/ 1491static void 1492dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1493{ 1494} 1495 1496/*ARGSUSED*/ 1497static void 1498dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1499{ 1500} 1501 1502static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1503 dump_none, /* unallocated */ 1504 dump_zap, /* object directory */ 1505 dump_uint64, /* object array */ 1506 dump_none, /* packed nvlist */ 1507 dump_packed_nvlist, /* packed nvlist size */ 1508 dump_none, /* bplist */ 1509 dump_none, /* bplist header */ 1510 dump_none, /* SPA space map header */ 1511 dump_none, /* SPA space map */ 1512 dump_none, /* ZIL intent log */ 1513 dump_dnode, /* DMU dnode */ 1514 dump_dmu_objset, /* DMU objset */ 1515 dump_dsl_dir, /* DSL directory */ 1516 dump_zap, /* DSL directory child map */ 1517 dump_zap, /* DSL dataset snap map */ 1518 dump_zap, /* DSL props */ 1519 dump_dsl_dataset, /* DSL dataset */ 1520 dump_znode, /* ZFS znode */ 1521 dump_acl, /* ZFS V0 ACL */ 1522 dump_uint8, /* ZFS plain file */ 1523 dump_zpldir, /* ZFS directory */ 1524 dump_zap, /* ZFS master node */ 1525 dump_zap, /* ZFS delete queue */ 1526 dump_uint8, /* zvol object */ 1527 dump_zap, /* zvol prop */ 1528 dump_uint8, /* other uint8[] */ 1529 dump_uint64, /* other uint64[] */ 1530 dump_zap, /* other ZAP */ 1531 dump_zap, /* persistent error log */ 1532 dump_uint8, /* SPA history */ 1533 dump_history_offsets, /* SPA history offsets */ 1534 dump_zap, /* Pool properties */ 1535 dump_zap, /* DSL permissions */ 1536 dump_acl, /* ZFS ACL */ 1537 dump_uint8, /* ZFS SYSACL */ 1538 dump_none, /* FUID nvlist */ 1539 dump_packed_nvlist, /* FUID nvlist size */ 1540 dump_zap, /* DSL dataset next clones */ 1541 dump_zap, /* DSL scrub queue */ 1542 dump_zap, /* ZFS user/group used */ 1543 dump_zap, /* ZFS user/group quota */ 1544 dump_zap, /* snapshot refcount tags */ 1545 dump_ddt_zap, /* DDT ZAP object */ 1546 dump_zap, /* DDT statistics */ 1547 dump_znode, /* SA object */ 1548 dump_zap, /* SA Master Node */ 1549 dump_sa_attrs, /* SA attribute registration */ 1550 dump_sa_layouts, /* SA attribute layouts */ 1551 dump_zap, /* DSL scrub translations */ 1552 dump_none, /* fake dedup BP */ 1553 dump_zap, /* deadlist */ 1554 dump_none, /* deadlist hdr */ 1555 dump_zap, /* dsl clones */ 1556 dump_none, /* bpobj subobjs */ 1557 dump_unknown, /* Unknown type, must be last */ 1558}; 1559 1560static void 1561dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1562{ 1563 dmu_buf_t *db = NULL; 1564 dmu_object_info_t doi; 1565 dnode_t *dn; 1566 void *bonus = NULL; 1567 size_t bsize = 0; 1568 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1569 char bonus_size[32]; 1570 char aux[50]; 1571 int error; 1572 1573 if (*print_header) { 1574 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1575 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1576 "%full", "type"); 1577 *print_header = 0; 1578 } 1579 1580 if (object == 0) { 1581 dn = DMU_META_DNODE(os); 1582 } else { 1583 error = dmu_bonus_hold(os, object, FTAG, &db); 1584 if (error) 1585 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1586 object, error); 1587 bonus = db->db_data; 1588 bsize = db->db_size; 1589 dn = DB_DNODE((dmu_buf_impl_t *)db); 1590 } 1591 dmu_object_info_from_dnode(dn, &doi); 1592 1593 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1594 zdb_nicenum(doi.doi_data_block_size, dblk); 1595 zdb_nicenum(doi.doi_max_offset, lsize); 1596 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1597 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1598 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1599 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1600 doi.doi_max_offset); 1601 1602 aux[0] = '\0'; 1603 1604 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1605 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1606 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1607 } 1608 1609 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1610 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1611 ZDB_COMPRESS_NAME(doi.doi_compress)); 1612 } 1613 1614 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1615 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1616 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1617 1618 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1619 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1620 "", "", "", "", "", bonus_size, "bonus", 1621 ZDB_OT_NAME(doi.doi_bonus_type)); 1622 } 1623 1624 if (verbosity >= 4) { 1625 (void) printf("\tdnode flags: %s%s%s\n", 1626 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1627 "USED_BYTES " : "", 1628 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1629 "USERUSED_ACCOUNTED " : "", 1630 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1631 "SPILL_BLKPTR" : ""); 1632 (void) printf("\tdnode maxblkid: %llu\n", 1633 (longlong_t)dn->dn_phys->dn_maxblkid); 1634 1635 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1636 bonus, bsize); 1637 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1638 *print_header = 1; 1639 } 1640 1641 if (verbosity >= 5) 1642 dump_indirect(dn); 1643 1644 if (verbosity >= 5) { 1645 /* 1646 * Report the list of segments that comprise the object. 1647 */ 1648 uint64_t start = 0; 1649 uint64_t end; 1650 uint64_t blkfill = 1; 1651 int minlvl = 1; 1652 1653 if (dn->dn_type == DMU_OT_DNODE) { 1654 minlvl = 0; 1655 blkfill = DNODES_PER_BLOCK; 1656 } 1657 1658 for (;;) { 1659 char segsize[32]; 1660 error = dnode_next_offset(dn, 1661 0, &start, minlvl, blkfill, 0); 1662 if (error) 1663 break; 1664 end = start; 1665 error = dnode_next_offset(dn, 1666 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1667 zdb_nicenum(end - start, segsize); 1668 (void) printf("\t\tsegment [%016llx, %016llx)" 1669 " size %5s\n", (u_longlong_t)start, 1670 (u_longlong_t)end, segsize); 1671 if (error) 1672 break; 1673 start = end; 1674 } 1675 } 1676 1677 if (db != NULL) 1678 dmu_buf_rele(db, FTAG); 1679} 1680 1681static char *objset_types[DMU_OST_NUMTYPES] = { 1682 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1683 1684static void 1685dump_dir(objset_t *os) 1686{ 1687 dmu_objset_stats_t dds; 1688 uint64_t object, object_count; 1689 uint64_t refdbytes, usedobjs, scratch; 1690 char numbuf[32]; 1691 char blkbuf[BP_SPRINTF_LEN + 20]; 1692 char osname[MAXNAMELEN]; 1693 char *type = "UNKNOWN"; 1694 int verbosity = dump_opt['d']; 1695 int print_header = 1; 1696 int i, error; 1697 1698 dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 1699 dmu_objset_fast_stat(os, &dds); 1700 dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 1701 1702 if (dds.dds_type < DMU_OST_NUMTYPES) 1703 type = objset_types[dds.dds_type]; 1704 1705 if (dds.dds_type == DMU_OST_META) { 1706 dds.dds_creation_txg = TXG_INITIAL; 1707 usedobjs = os->os_rootbp->blk_fill; 1708 refdbytes = os->os_spa->spa_dsl_pool-> 1709 dp_mos_dir->dd_phys->dd_used_bytes; 1710 } else { 1711 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1712 } 1713 1714 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1715 1716 zdb_nicenum(refdbytes, numbuf); 1717 1718 if (verbosity >= 4) { 1719 (void) sprintf(blkbuf, ", rootbp "); 1720 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1721 } else { 1722 blkbuf[0] = '\0'; 1723 } 1724 1725 dmu_objset_name(os, osname); 1726 1727 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1728 "%s, %llu objects%s\n", 1729 osname, type, (u_longlong_t)dmu_objset_id(os), 1730 (u_longlong_t)dds.dds_creation_txg, 1731 numbuf, (u_longlong_t)usedobjs, blkbuf); 1732 1733 if (zopt_objects != 0) { 1734 for (i = 0; i < zopt_objects; i++) 1735 dump_object(os, zopt_object[i], verbosity, 1736 &print_header); 1737 (void) printf("\n"); 1738 return; 1739 } 1740 1741 if (dump_opt['i'] != 0 || verbosity >= 2) 1742 dump_intent_log(dmu_objset_zil(os)); 1743 1744 if (dmu_objset_ds(os) != NULL) 1745 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1746 1747 if (verbosity < 2) 1748 return; 1749 1750 if (os->os_rootbp->blk_birth == 0) 1751 return; 1752 1753 dump_object(os, 0, verbosity, &print_header); 1754 object_count = 0; 1755 if (DMU_USERUSED_DNODE(os) != NULL && 1756 DMU_USERUSED_DNODE(os)->dn_type != 0) { 1757 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1758 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1759 } 1760 1761 object = 0; 1762 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1763 dump_object(os, object, verbosity, &print_header); 1764 object_count++; 1765 } 1766 1767 ASSERT3U(object_count, ==, usedobjs); 1768 1769 (void) printf("\n"); 1770 1771 if (error != ESRCH) { 1772 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1773 abort(); 1774 } 1775} 1776 1777static void 1778dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1779{ 1780 time_t timestamp = ub->ub_timestamp; 1781 1782 (void) printf(header ? header : ""); 1783 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1784 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1785 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1786 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1787 (void) printf("\ttimestamp = %llu UTC = %s", 1788 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1789 if (dump_opt['u'] >= 3) { 1790 char blkbuf[BP_SPRINTF_LEN]; 1791 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1792 (void) printf("\trootbp = %s\n", blkbuf); 1793 } 1794 (void) printf(footer ? footer : ""); 1795} 1796 1797static void 1798dump_config(spa_t *spa) 1799{ 1800 dmu_buf_t *db; 1801 size_t nvsize = 0; 1802 int error = 0; 1803 1804 1805 error = dmu_bonus_hold(spa->spa_meta_objset, 1806 spa->spa_config_object, FTAG, &db); 1807 1808 if (error == 0) { 1809 nvsize = *(uint64_t *)db->db_data; 1810 dmu_buf_rele(db, FTAG); 1811 1812 (void) printf("\nMOS Configuration:\n"); 1813 dump_packed_nvlist(spa->spa_meta_objset, 1814 spa->spa_config_object, (void *)&nvsize, 1); 1815 } else { 1816 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1817 (u_longlong_t)spa->spa_config_object, error); 1818 } 1819} 1820 1821static void 1822dump_cachefile(const char *cachefile) 1823{ 1824 int fd; 1825 struct stat64 statbuf; 1826 char *buf; 1827 nvlist_t *config; 1828 1829 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1830 (void) printf("cannot open '%s': %s\n", cachefile, 1831 strerror(errno)); 1832 exit(1); 1833 } 1834 1835 if (fstat64(fd, &statbuf) != 0) { 1836 (void) printf("failed to stat '%s': %s\n", cachefile, 1837 strerror(errno)); 1838 exit(1); 1839 } 1840 1841 if ((buf = malloc(statbuf.st_size)) == NULL) { 1842 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1843 (u_longlong_t)statbuf.st_size); 1844 exit(1); 1845 } 1846 1847 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1848 (void) fprintf(stderr, "failed to read %llu bytes\n", 1849 (u_longlong_t)statbuf.st_size); 1850 exit(1); 1851 } 1852 1853 (void) close(fd); 1854 1855 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1856 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1857 exit(1); 1858 } 1859 1860 free(buf); 1861 1862 dump_nvlist(config, 0); 1863 1864 nvlist_free(config); 1865} 1866 1867#define ZDB_MAX_UB_HEADER_SIZE 32 1868 1869static void 1870dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1871{ 1872 vdev_t vd; 1873 vdev_t *vdp = &vd; 1874 char header[ZDB_MAX_UB_HEADER_SIZE]; 1875 1876 vd.vdev_ashift = ashift; 1877 vdp->vdev_top = vdp; 1878 1879 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1880 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1881 uberblock_t *ub = (void *)((char *)lbl + uoff); 1882 1883 if (uberblock_verify(ub)) 1884 continue; 1885 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1886 "Uberblock[%d]\n", i); 1887 dump_uberblock(ub, header, ""); 1888 } 1889} 1890 1891static void 1892dump_label(const char *dev) 1893{ 1894 int fd; 1895 vdev_label_t label; 1896 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1897 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1898 struct stat64 statbuf; 1899 uint64_t psize, ashift; 1900 int len = strlen(dev) + 1; 1901 1902 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1903 len++; 1904 path = malloc(len); 1905 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1906 } else { 1907 path = strdup(dev); 1908 } 1909 1910 if ((fd = open64(path, O_RDONLY)) < 0) { 1911 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1912 free(path); 1913 exit(1); 1914 } 1915 1916 if (fstat64(fd, &statbuf) != 0) { 1917 (void) printf("failed to stat '%s': %s\n", path, 1918 strerror(errno)); 1919 free(path); 1920 (void) close(fd); 1921 exit(1); 1922 } 1923 1924 if (S_ISBLK(statbuf.st_mode)) { 1925 (void) printf("cannot use '%s': character device required\n", 1926 path); 1927 free(path); 1928 (void) close(fd); 1929 exit(1); 1930 } 1931 1932 psize = statbuf.st_size; 1933 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1934 1935 for (int l = 0; l < VDEV_LABELS; l++) { 1936 nvlist_t *config = NULL; 1937 1938 (void) printf("--------------------------------------------\n"); 1939 (void) printf("LABEL %d\n", l); 1940 (void) printf("--------------------------------------------\n"); 1941 1942 if (pread64(fd, &label, sizeof (label), 1943 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1944 (void) printf("failed to read label %d\n", l); 1945 continue; 1946 } 1947 1948 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1949 (void) printf("failed to unpack label %d\n", l); 1950 ashift = SPA_MINBLOCKSHIFT; 1951 } else { 1952 nvlist_t *vdev_tree = NULL; 1953 1954 dump_nvlist(config, 4); 1955 if ((nvlist_lookup_nvlist(config, 1956 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1957 (nvlist_lookup_uint64(vdev_tree, 1958 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1959 ashift = SPA_MINBLOCKSHIFT; 1960 nvlist_free(config); 1961 } 1962 if (dump_opt['u']) 1963 dump_label_uberblocks(&label, ashift); 1964 } 1965 1966 free(path); 1967 (void) close(fd); 1968} 1969 1970/*ARGSUSED*/ 1971static int 1972dump_one_dir(const char *dsname, void *arg) 1973{ 1974 int error; 1975 objset_t *os; 1976 1977 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1978 if (error) { 1979 (void) printf("Could not open %s, error %d\n", dsname, error); 1980 return (0); 1981 } 1982 dump_dir(os); 1983 dmu_objset_disown(os, FTAG); 1984 fuid_table_destroy(); 1985 sa_loaded = B_FALSE; 1986 return (0); 1987} 1988 1989/* 1990 * Block statistics. 1991 */ 1992#define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1) 1993typedef struct zdb_blkstats { 1994 uint64_t zb_asize; 1995 uint64_t zb_lsize; 1996 uint64_t zb_psize; 1997 uint64_t zb_count; 1998 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE]; 1999} zdb_blkstats_t; 2000 2001/* 2002 * Extended object types to report deferred frees and dedup auto-ditto blocks. 2003 */ 2004#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2005#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2006#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2007#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2008 2009static char *zdb_ot_extname[] = { 2010 "deferred free", 2011 "dedup ditto", 2012 "other", 2013 "Total", 2014}; 2015 2016#define ZB_TOTAL DN_MAX_LEVELS 2017 2018typedef struct zdb_cb { 2019 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 2020 uint64_t zcb_dedup_asize; 2021 uint64_t zcb_dedup_blocks; 2022 uint64_t zcb_start; 2023 uint64_t zcb_lastprint; 2024 uint64_t zcb_totalasize; 2025 uint64_t zcb_errors[256]; 2026 int zcb_readfails; 2027 int zcb_haderrors; 2028 spa_t *zcb_spa; 2029} zdb_cb_t; 2030 2031static void 2032zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2033 dmu_object_type_t type) 2034{ 2035 uint64_t refcnt = 0; 2036 2037 ASSERT(type < ZDB_OT_TOTAL); 2038 2039 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2040 return; 2041 2042 for (int i = 0; i < 4; i++) { 2043 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2044 int t = (i & 1) ? type : ZDB_OT_TOTAL; 2045 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2046 2047 zb->zb_asize += BP_GET_ASIZE(bp); 2048 zb->zb_lsize += BP_GET_LSIZE(bp); 2049 zb->zb_psize += BP_GET_PSIZE(bp); 2050 zb->zb_count++; 2051 zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++; 2052 } 2053 2054 if (dump_opt['L']) 2055 return; 2056 2057 if (BP_GET_DEDUP(bp)) { 2058 ddt_t *ddt; 2059 ddt_entry_t *dde; 2060 2061 ddt = ddt_select(zcb->zcb_spa, bp); 2062 ddt_enter(ddt); 2063 dde = ddt_lookup(ddt, bp, B_FALSE); 2064 2065 if (dde == NULL) { 2066 refcnt = 0; 2067 } else { 2068 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2069 ddt_phys_decref(ddp); 2070 refcnt = ddp->ddp_refcnt; 2071 if (ddt_phys_total_refcnt(dde) == 0) 2072 ddt_remove(ddt, dde); 2073 } 2074 ddt_exit(ddt); 2075 } 2076 2077 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2078 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2079 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2080} 2081 2082static int 2083zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2084 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2085{ 2086 zdb_cb_t *zcb = arg; 2087 char blkbuf[BP_SPRINTF_LEN]; 2088 dmu_object_type_t type; 2089 boolean_t is_metadata; 2090 2091 if (bp == NULL) 2092 return (0); 2093 2094 type = BP_GET_TYPE(bp); 2095 2096 zdb_count_block(zcb, zilog, bp, 2097 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2098 2099 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2100 2101 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 2102 int ioerr; 2103 size_t size = BP_GET_PSIZE(bp); 2104 void *data = malloc(size); 2105 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2106 2107 /* If it's an intent log block, failure is expected. */ 2108 if (zb->zb_level == ZB_ZIL_LEVEL) 2109 flags |= ZIO_FLAG_SPECULATIVE; 2110 2111 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 2112 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2113 2114 free(data); 2115 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) { 2116 zcb->zcb_haderrors = 1; 2117 zcb->zcb_errors[ioerr]++; 2118 2119 if (dump_opt['b'] >= 2) 2120 sprintf_blkptr(blkbuf, bp); 2121 else 2122 blkbuf[0] = '\0'; 2123 2124 (void) printf("zdb_blkptr_cb: " 2125 "Got error %d reading " 2126 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2127 ioerr, 2128 (u_longlong_t)zb->zb_objset, 2129 (u_longlong_t)zb->zb_object, 2130 (u_longlong_t)zb->zb_level, 2131 (u_longlong_t)zb->zb_blkid, 2132 blkbuf); 2133 } 2134 } 2135 2136 zcb->zcb_readfails = 0; 2137 2138 if (dump_opt['b'] >= 5) { 2139 sprintf_blkptr(blkbuf, bp); 2140 (void) printf("objset %llu object %llu " 2141 "level %lld offset 0x%llx %s\n", 2142 (u_longlong_t)zb->zb_objset, 2143 (u_longlong_t)zb->zb_object, 2144 (longlong_t)zb->zb_level, 2145 (u_longlong_t)blkid2offset(dnp, bp, zb), 2146 blkbuf); 2147 } 2148 2149 if (dump_opt['b'] < 5 && isatty(STDERR_FILENO) && 2150 gethrtime() > zcb->zcb_lastprint + NANOSEC) { 2151 uint64_t now = gethrtime(); 2152 char buf[10]; 2153 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize; 2154 int kb_per_sec = 2155 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000)); 2156 int sec_remaining = 2157 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec; 2158 2159 zfs_nicenum(bytes, buf, sizeof (buf)); 2160 (void) fprintf(stderr, 2161 "\r%5s completed (%4dMB/s) " 2162 "estimated time remaining: %uhr %02umin %02usec ", 2163 buf, kb_per_sec / 1024, 2164 sec_remaining / 60 / 60, 2165 sec_remaining / 60 % 60, 2166 sec_remaining % 60); 2167 2168 zcb->zcb_lastprint = now; 2169 } 2170 2171 return (0); 2172} 2173 2174static void 2175zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 2176{ 2177 vdev_t *vd = sm->sm_ppd; 2178 2179 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2180 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2181} 2182 2183/* ARGSUSED */ 2184static void 2185zdb_space_map_load(space_map_t *sm) 2186{ 2187} 2188 2189static void 2190zdb_space_map_unload(space_map_t *sm) 2191{ 2192 space_map_vacate(sm, zdb_leak, sm); 2193} 2194 2195/* ARGSUSED */ 2196static void 2197zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2198{ 2199} 2200 2201static space_map_ops_t zdb_space_map_ops = { 2202 zdb_space_map_load, 2203 zdb_space_map_unload, 2204 NULL, /* alloc */ 2205 zdb_space_map_claim, 2206 NULL, /* free */ 2207 NULL /* maxsize */ 2208}; 2209 2210static void 2211zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2212{ 2213 ddt_bookmark_t ddb = { 0 }; 2214 ddt_entry_t dde; 2215 int error; 2216 2217 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2218 blkptr_t blk; 2219 ddt_phys_t *ddp = dde.dde_phys; 2220 2221 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2222 return; 2223 2224 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2225 2226 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2227 if (ddp->ddp_phys_birth == 0) 2228 continue; 2229 ddt_bp_create(ddb.ddb_checksum, 2230 &dde.dde_key, ddp, &blk); 2231 if (p == DDT_PHYS_DITTO) { 2232 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2233 } else { 2234 zcb->zcb_dedup_asize += 2235 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2236 zcb->zcb_dedup_blocks++; 2237 } 2238 } 2239 if (!dump_opt['L']) { 2240 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2241 ddt_enter(ddt); 2242 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2243 ddt_exit(ddt); 2244 } 2245 } 2246 2247 ASSERT(error == ENOENT); 2248} 2249 2250static void 2251zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2252{ 2253 zcb->zcb_spa = spa; 2254 2255 if (!dump_opt['L']) { 2256 vdev_t *rvd = spa->spa_root_vdev; 2257 for (int c = 0; c < rvd->vdev_children; c++) { 2258 vdev_t *vd = rvd->vdev_child[c]; 2259 for (int m = 0; m < vd->vdev_ms_count; m++) { 2260 metaslab_t *msp = vd->vdev_ms[m]; 2261 mutex_enter(&msp->ms_lock); 2262 space_map_unload(msp->ms_map); 2263 VERIFY(space_map_load(msp->ms_map, 2264 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2265 spa->spa_meta_objset) == 0); 2266 msp->ms_map->sm_ppd = vd; 2267 mutex_exit(&msp->ms_lock); 2268 } 2269 } 2270 } 2271 2272 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2273 2274 zdb_ddt_leak_init(spa, zcb); 2275 2276 spa_config_exit(spa, SCL_CONFIG, FTAG); 2277} 2278 2279static void 2280zdb_leak_fini(spa_t *spa) 2281{ 2282 if (!dump_opt['L']) { 2283 vdev_t *rvd = spa->spa_root_vdev; 2284 for (int c = 0; c < rvd->vdev_children; c++) { 2285 vdev_t *vd = rvd->vdev_child[c]; 2286 for (int m = 0; m < vd->vdev_ms_count; m++) { 2287 metaslab_t *msp = vd->vdev_ms[m]; 2288 mutex_enter(&msp->ms_lock); 2289 space_map_unload(msp->ms_map); 2290 mutex_exit(&msp->ms_lock); 2291 } 2292 } 2293 } 2294} 2295 2296/* ARGSUSED */ 2297static int 2298count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2299{ 2300 zdb_cb_t *zcb = arg; 2301 2302 if (dump_opt['b'] >= 5) { 2303 char blkbuf[BP_SPRINTF_LEN]; 2304 sprintf_blkptr(blkbuf, bp); 2305 (void) printf("[%s] %s\n", 2306 "deferred free", blkbuf); 2307 } 2308 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2309 return (0); 2310} 2311 2312static int 2313dump_block_stats(spa_t *spa) 2314{ 2315 zdb_cb_t zcb = { 0 }; 2316 zdb_blkstats_t *zb, *tzb; 2317 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2318 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2319 int leaks = 0; 2320 2321 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n", 2322 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2323 (dump_opt['c'] == 1) ? "metadata " : "", 2324 dump_opt['c'] ? "checksums " : "", 2325 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2326 !dump_opt['L'] ? "nothing leaked " : ""); 2327 2328 /* 2329 * Load all space maps as SM_ALLOC maps, then traverse the pool 2330 * claiming each block we discover. If the pool is perfectly 2331 * consistent, the space maps will be empty when we're done. 2332 * Anything left over is a leak; any block we can't claim (because 2333 * it's not part of any space map) is a double allocation, 2334 * reference to a freed block, or an unclaimed log block. 2335 */ 2336 zdb_leak_init(spa, &zcb); 2337 2338 /* 2339 * If there's a deferred-free bplist, process that first. 2340 */ 2341 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2342 count_block_cb, &zcb, NULL); 2343 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2344 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2345 count_block_cb, &zcb, NULL); 2346 } 2347 if (spa_feature_is_active(spa, 2348 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) { 2349 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2350 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2351 &zcb, NULL)); 2352 } 2353 2354 if (dump_opt['c'] > 1) 2355 flags |= TRAVERSE_PREFETCH_DATA; 2356 2357 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa)); 2358 zcb.zcb_start = zcb.zcb_lastprint = gethrtime(); 2359 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2360 2361 if (zcb.zcb_haderrors) { 2362 (void) printf("\nError counts:\n\n"); 2363 (void) printf("\t%5s %s\n", "errno", "count"); 2364 for (int e = 0; e < 256; e++) { 2365 if (zcb.zcb_errors[e] != 0) { 2366 (void) printf("\t%5d %llu\n", 2367 e, (u_longlong_t)zcb.zcb_errors[e]); 2368 } 2369 } 2370 } 2371 2372 /* 2373 * Report any leaked segments. 2374 */ 2375 zdb_leak_fini(spa); 2376 2377 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2378 2379 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2380 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2381 2382 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2383 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2384 2385 if (total_found == total_alloc) { 2386 if (!dump_opt['L']) 2387 (void) printf("\n\tNo leaks (block sum matches space" 2388 " maps exactly)\n"); 2389 } else { 2390 (void) printf("block traversal size %llu != alloc %llu " 2391 "(%s %lld)\n", 2392 (u_longlong_t)total_found, 2393 (u_longlong_t)total_alloc, 2394 (dump_opt['L']) ? "unreachable" : "leaked", 2395 (longlong_t)(total_alloc - total_found)); 2396 leaks = 1; 2397 } 2398 2399 if (tzb->zb_count == 0) 2400 return (2); 2401 2402 (void) printf("\n"); 2403 (void) printf("\tbp count: %10llu\n", 2404 (u_longlong_t)tzb->zb_count); 2405 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2406 (u_longlong_t)tzb->zb_lsize, 2407 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2408 (void) printf("\tbp physical: %10llu avg:" 2409 " %6llu compression: %6.2f\n", 2410 (u_longlong_t)tzb->zb_psize, 2411 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2412 (double)tzb->zb_lsize / tzb->zb_psize); 2413 (void) printf("\tbp allocated: %10llu avg:" 2414 " %6llu compression: %6.2f\n", 2415 (u_longlong_t)tzb->zb_asize, 2416 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2417 (double)tzb->zb_lsize / tzb->zb_asize); 2418 (void) printf("\tbp deduped: %10llu ref>1:" 2419 " %6llu deduplication: %6.2f\n", 2420 (u_longlong_t)zcb.zcb_dedup_asize, 2421 (u_longlong_t)zcb.zcb_dedup_blocks, 2422 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2423 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2424 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2425 2426 if (dump_opt['b'] >= 2) { 2427 int l, t, level; 2428 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2429 "\t avg\t comp\t%%Total\tType\n"); 2430 2431 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2432 char csize[32], lsize[32], psize[32], asize[32]; 2433 char avg[32]; 2434 char *typename; 2435 2436 if (t < DMU_OT_NUMTYPES) 2437 typename = dmu_ot[t].ot_name; 2438 else 2439 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2440 2441 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2442 (void) printf("%6s\t%5s\t%5s\t%5s" 2443 "\t%5s\t%5s\t%6s\t%s\n", 2444 "-", 2445 "-", 2446 "-", 2447 "-", 2448 "-", 2449 "-", 2450 "-", 2451 typename); 2452 continue; 2453 } 2454 2455 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2456 level = (l == -1 ? ZB_TOTAL : l); 2457 zb = &zcb.zcb_type[level][t]; 2458 2459 if (zb->zb_asize == 0) 2460 continue; 2461 2462 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2463 continue; 2464 2465 if (level == 0 && zb->zb_asize == 2466 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2467 continue; 2468 2469 zdb_nicenum(zb->zb_count, csize); 2470 zdb_nicenum(zb->zb_lsize, lsize); 2471 zdb_nicenum(zb->zb_psize, psize); 2472 zdb_nicenum(zb->zb_asize, asize); 2473 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2474 2475 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2476 "\t%5.2f\t%6.2f\t", 2477 csize, lsize, psize, asize, avg, 2478 (double)zb->zb_lsize / zb->zb_psize, 2479 100.0 * zb->zb_asize / tzb->zb_asize); 2480 2481 if (level == ZB_TOTAL) 2482 (void) printf("%s\n", typename); 2483 else 2484 (void) printf(" L%d %s\n", 2485 level, typename); 2486 2487 if (dump_opt['b'] >= 4) { 2488 (void) printf("psize " 2489 "(in 512-byte sectors): " 2490 "number of blocks\n"); 2491 dump_histogram(zb->zb_psize_histogram, 2492 PSIZE_HISTO_SIZE); 2493 } 2494 } 2495 } 2496 } 2497 2498 (void) printf("\n"); 2499 2500 if (leaks) 2501 return (2); 2502 2503 if (zcb.zcb_haderrors) 2504 return (3); 2505 2506 return (0); 2507} 2508 2509typedef struct zdb_ddt_entry { 2510 ddt_key_t zdde_key; 2511 uint64_t zdde_ref_blocks; 2512 uint64_t zdde_ref_lsize; 2513 uint64_t zdde_ref_psize; 2514 uint64_t zdde_ref_dsize; 2515 avl_node_t zdde_node; 2516} zdb_ddt_entry_t; 2517 2518/* ARGSUSED */ 2519static int 2520zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2521 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2522{ 2523 avl_tree_t *t = arg; 2524 avl_index_t where; 2525 zdb_ddt_entry_t *zdde, zdde_search; 2526 2527 if (bp == NULL) 2528 return (0); 2529 2530 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2531 (void) printf("traversing objset %llu, %llu objects, " 2532 "%lu blocks so far\n", 2533 (u_longlong_t)zb->zb_objset, 2534 (u_longlong_t)bp->blk_fill, 2535 avl_numnodes(t)); 2536 } 2537 2538 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2539 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 2540 return (0); 2541 2542 ddt_key_fill(&zdde_search.zdde_key, bp); 2543 2544 zdde = avl_find(t, &zdde_search, &where); 2545 2546 if (zdde == NULL) { 2547 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2548 zdde->zdde_key = zdde_search.zdde_key; 2549 avl_insert(t, zdde, where); 2550 } 2551 2552 zdde->zdde_ref_blocks += 1; 2553 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2554 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2555 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2556 2557 return (0); 2558} 2559 2560static void 2561dump_simulated_ddt(spa_t *spa) 2562{ 2563 avl_tree_t t; 2564 void *cookie = NULL; 2565 zdb_ddt_entry_t *zdde; 2566 ddt_histogram_t ddh_total = { 0 }; 2567 ddt_stat_t dds_total = { 0 }; 2568 2569 avl_create(&t, ddt_entry_compare, 2570 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2571 2572 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2573 2574 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2575 zdb_ddt_add_cb, &t); 2576 2577 spa_config_exit(spa, SCL_CONFIG, FTAG); 2578 2579 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2580 ddt_stat_t dds; 2581 uint64_t refcnt = zdde->zdde_ref_blocks; 2582 ASSERT(refcnt != 0); 2583 2584 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2585 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2586 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2587 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2588 2589 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2590 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2591 dds.dds_ref_psize = zdde->zdde_ref_psize; 2592 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2593 2594 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2595 2596 umem_free(zdde, sizeof (*zdde)); 2597 } 2598 2599 avl_destroy(&t); 2600 2601 ddt_histogram_stat(&dds_total, &ddh_total); 2602 2603 (void) printf("Simulated DDT histogram:\n"); 2604 2605 zpool_dump_ddt(&dds_total, &ddh_total); 2606 2607 dump_dedup_ratio(&dds_total); 2608} 2609 2610static void 2611dump_zpool(spa_t *spa) 2612{ 2613 dsl_pool_t *dp = spa_get_dsl(spa); 2614 int rc = 0; 2615 2616 if (dump_opt['S']) { 2617 dump_simulated_ddt(spa); 2618 return; 2619 } 2620 2621 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2622 (void) printf("\nCached configuration:\n"); 2623 dump_nvlist(spa->spa_config, 8); 2624 } 2625 2626 if (dump_opt['C']) 2627 dump_config(spa); 2628 2629 if (dump_opt['u']) 2630 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2631 2632 if (dump_opt['D']) 2633 dump_all_ddts(spa); 2634 2635 if (dump_opt['d'] > 2 || dump_opt['m']) 2636 dump_metaslabs(spa); 2637 2638 if (dump_opt['d'] || dump_opt['i']) { 2639 dump_dir(dp->dp_meta_objset); 2640 if (dump_opt['d'] >= 3) { 2641 dump_bpobj(&spa->spa_deferred_bpobj, 2642 "Deferred frees", 0); 2643 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2644 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2645 "Pool snapshot frees", 0); 2646 } 2647 2648 if (spa_feature_is_active(spa, 2649 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) { 2650 dump_bptree(spa->spa_meta_objset, 2651 spa->spa_dsl_pool->dp_bptree_obj, 2652 "Pool dataset frees"); 2653 } 2654 dump_dtl(spa->spa_root_vdev, 0); 2655 } 2656 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2657 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2658 } 2659 if (dump_opt['b'] || dump_opt['c']) 2660 rc = dump_block_stats(spa); 2661 2662 if (dump_opt['s']) 2663 show_pool_stats(spa); 2664 2665 if (dump_opt['h']) 2666 dump_history(spa); 2667 2668 if (rc != 0) 2669 exit(rc); 2670} 2671 2672#define ZDB_FLAG_CHECKSUM 0x0001 2673#define ZDB_FLAG_DECOMPRESS 0x0002 2674#define ZDB_FLAG_BSWAP 0x0004 2675#define ZDB_FLAG_GBH 0x0008 2676#define ZDB_FLAG_INDIRECT 0x0010 2677#define ZDB_FLAG_PHYS 0x0020 2678#define ZDB_FLAG_RAW 0x0040 2679#define ZDB_FLAG_PRINT_BLKPTR 0x0080 2680 2681int flagbits[256]; 2682 2683static void 2684zdb_print_blkptr(blkptr_t *bp, int flags) 2685{ 2686 char blkbuf[BP_SPRINTF_LEN]; 2687 2688 if (flags & ZDB_FLAG_BSWAP) 2689 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2690 2691 sprintf_blkptr(blkbuf, bp); 2692 (void) printf("%s\n", blkbuf); 2693} 2694 2695static void 2696zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2697{ 2698 int i; 2699 2700 for (i = 0; i < nbps; i++) 2701 zdb_print_blkptr(&bp[i], flags); 2702} 2703 2704static void 2705zdb_dump_gbh(void *buf, int flags) 2706{ 2707 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2708} 2709 2710static void 2711zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2712{ 2713 if (flags & ZDB_FLAG_BSWAP) 2714 byteswap_uint64_array(buf, size); 2715 (void) write(1, buf, size); 2716} 2717 2718static void 2719zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2720{ 2721 uint64_t *d = (uint64_t *)buf; 2722 int nwords = size / sizeof (uint64_t); 2723 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2724 int i, j; 2725 char *hdr, *c; 2726 2727 2728 if (do_bswap) 2729 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2730 else 2731 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2732 2733 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2734 2735 for (i = 0; i < nwords; i += 2) { 2736 (void) printf("%06llx: %016llx %016llx ", 2737 (u_longlong_t)(i * sizeof (uint64_t)), 2738 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2739 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2740 2741 c = (char *)&d[i]; 2742 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2743 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2744 (void) printf("\n"); 2745 } 2746} 2747 2748/* 2749 * There are two acceptable formats: 2750 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2751 * child[.child]* - For example: 0.1.1 2752 * 2753 * The second form can be used to specify arbitrary vdevs anywhere 2754 * in the heirarchy. For example, in a pool with a mirror of 2755 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2756 */ 2757static vdev_t * 2758zdb_vdev_lookup(vdev_t *vdev, char *path) 2759{ 2760 char *s, *p, *q; 2761 int i; 2762 2763 if (vdev == NULL) 2764 return (NULL); 2765 2766 /* First, assume the x.x.x.x format */ 2767 i = (int)strtoul(path, &s, 10); 2768 if (s == path || (s && *s != '.' && *s != '\0')) 2769 goto name; 2770 if (i < 0 || i >= vdev->vdev_children) 2771 return (NULL); 2772 2773 vdev = vdev->vdev_child[i]; 2774 if (*s == '\0') 2775 return (vdev); 2776 return (zdb_vdev_lookup(vdev, s+1)); 2777 2778name: 2779 for (i = 0; i < vdev->vdev_children; i++) { 2780 vdev_t *vc = vdev->vdev_child[i]; 2781 2782 if (vc->vdev_path == NULL) { 2783 vc = zdb_vdev_lookup(vc, path); 2784 if (vc == NULL) 2785 continue; 2786 else 2787 return (vc); 2788 } 2789 2790 p = strrchr(vc->vdev_path, '/'); 2791 p = p ? p + 1 : vc->vdev_path; 2792 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2793 2794 if (strcmp(vc->vdev_path, path) == 0) 2795 return (vc); 2796 if (strcmp(p, path) == 0) 2797 return (vc); 2798 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2799 return (vc); 2800 } 2801 2802 return (NULL); 2803} 2804 2805/* 2806 * Read a block from a pool and print it out. The syntax of the 2807 * block descriptor is: 2808 * 2809 * pool:vdev_specifier:offset:size[:flags] 2810 * 2811 * pool - The name of the pool you wish to read from 2812 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2813 * offset - offset, in hex, in bytes 2814 * size - Amount of data to read, in hex, in bytes 2815 * flags - A string of characters specifying options 2816 * b: Decode a blkptr at given offset within block 2817 * *c: Calculate and display checksums 2818 * d: Decompress data before dumping 2819 * e: Byteswap data before dumping 2820 * g: Display data as a gang block header 2821 * i: Display as an indirect block 2822 * p: Do I/O to physical offset 2823 * r: Dump raw data to stdout 2824 * 2825 * * = not yet implemented 2826 */ 2827static void 2828zdb_read_block(char *thing, spa_t *spa) 2829{ 2830 blkptr_t blk, *bp = &blk; 2831 dva_t *dva = bp->blk_dva; 2832 int flags = 0; 2833 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2834 zio_t *zio; 2835 vdev_t *vd; 2836 void *pbuf, *lbuf, *buf; 2837 char *s, *p, *dup, *vdev, *flagstr; 2838 int i, error; 2839 2840 dup = strdup(thing); 2841 s = strtok(dup, ":"); 2842 vdev = s ? s : ""; 2843 s = strtok(NULL, ":"); 2844 offset = strtoull(s ? s : "", NULL, 16); 2845 s = strtok(NULL, ":"); 2846 size = strtoull(s ? s : "", NULL, 16); 2847 s = strtok(NULL, ":"); 2848 flagstr = s ? s : ""; 2849 2850 s = NULL; 2851 if (size == 0) 2852 s = "size must not be zero"; 2853 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2854 s = "size must be a multiple of sector size"; 2855 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2856 s = "offset must be a multiple of sector size"; 2857 if (s) { 2858 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2859 free(dup); 2860 return; 2861 } 2862 2863 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2864 for (i = 0; flagstr[i]; i++) { 2865 int bit = flagbits[(uchar_t)flagstr[i]]; 2866 2867 if (bit == 0) { 2868 (void) printf("***Invalid flag: %c\n", 2869 flagstr[i]); 2870 continue; 2871 } 2872 flags |= bit; 2873 2874 /* If it's not something with an argument, keep going */ 2875 if ((bit & (ZDB_FLAG_CHECKSUM | 2876 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2877 continue; 2878 2879 p = &flagstr[i + 1]; 2880 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2881 blkptr_offset = strtoull(p, &p, 16); 2882 if (*p != ':' && *p != '\0') { 2883 (void) printf("***Invalid flag arg: '%s'\n", s); 2884 free(dup); 2885 return; 2886 } 2887 } 2888 } 2889 2890 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2891 if (vd == NULL) { 2892 (void) printf("***Invalid vdev: %s\n", vdev); 2893 free(dup); 2894 return; 2895 } else { 2896 if (vd->vdev_path) 2897 (void) fprintf(stderr, "Found vdev: %s\n", 2898 vd->vdev_path); 2899 else 2900 (void) fprintf(stderr, "Found vdev type: %s\n", 2901 vd->vdev_ops->vdev_op_type); 2902 } 2903 2904 psize = size; 2905 lsize = size; 2906 2907 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2908 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2909 2910 BP_ZERO(bp); 2911 2912 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2913 DVA_SET_OFFSET(&dva[0], offset); 2914 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2915 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2916 2917 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2918 2919 BP_SET_LSIZE(bp, lsize); 2920 BP_SET_PSIZE(bp, psize); 2921 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2922 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2923 BP_SET_TYPE(bp, DMU_OT_NONE); 2924 BP_SET_LEVEL(bp, 0); 2925 BP_SET_DEDUP(bp, 0); 2926 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2927 2928 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2929 zio = zio_root(spa, NULL, NULL, 0); 2930 2931 if (vd == vd->vdev_top) { 2932 /* 2933 * Treat this as a normal block read. 2934 */ 2935 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2936 ZIO_PRIORITY_SYNC_READ, 2937 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2938 } else { 2939 /* 2940 * Treat this as a vdev child I/O. 2941 */ 2942 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2943 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2944 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2945 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2946 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2947 } 2948 2949 error = zio_wait(zio); 2950 spa_config_exit(spa, SCL_STATE, FTAG); 2951 2952 if (error) { 2953 (void) printf("Read of %s failed, error: %d\n", thing, error); 2954 goto out; 2955 } 2956 2957 if (flags & ZDB_FLAG_DECOMPRESS) { 2958 /* 2959 * We don't know how the data was compressed, so just try 2960 * every decompress function at every inflated blocksize. 2961 */ 2962 enum zio_compress c; 2963 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2964 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2965 2966 bcopy(pbuf, pbuf2, psize); 2967 2968 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2969 SPA_MAXBLOCKSIZE - psize) == 0); 2970 2971 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2972 SPA_MAXBLOCKSIZE - psize) == 0); 2973 2974 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2975 lsize -= SPA_MINBLOCKSIZE) { 2976 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2977 if (zio_decompress_data(c, pbuf, lbuf, 2978 psize, lsize) == 0 && 2979 zio_decompress_data(c, pbuf2, lbuf2, 2980 psize, lsize) == 0 && 2981 bcmp(lbuf, lbuf2, lsize) == 0) 2982 break; 2983 } 2984 if (c != ZIO_COMPRESS_FUNCTIONS) 2985 break; 2986 lsize -= SPA_MINBLOCKSIZE; 2987 } 2988 2989 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2990 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2991 2992 if (lsize <= psize) { 2993 (void) printf("Decompress of %s failed\n", thing); 2994 goto out; 2995 } 2996 buf = lbuf; 2997 size = lsize; 2998 } else { 2999 buf = pbuf; 3000 size = psize; 3001 } 3002 3003 if (flags & ZDB_FLAG_PRINT_BLKPTR) 3004 zdb_print_blkptr((blkptr_t *)(void *) 3005 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 3006 else if (flags & ZDB_FLAG_RAW) 3007 zdb_dump_block_raw(buf, size, flags); 3008 else if (flags & ZDB_FLAG_INDIRECT) 3009 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 3010 flags); 3011 else if (flags & ZDB_FLAG_GBH) 3012 zdb_dump_gbh(buf, flags); 3013 else 3014 zdb_dump_block(thing, buf, size, flags); 3015 3016out: 3017 umem_free(pbuf, SPA_MAXBLOCKSIZE); 3018 umem_free(lbuf, SPA_MAXBLOCKSIZE); 3019 free(dup); 3020} 3021 3022static boolean_t 3023pool_match(nvlist_t *cfg, char *tgt) 3024{ 3025 uint64_t v, guid = strtoull(tgt, NULL, 0); 3026 char *s; 3027 3028 if (guid != 0) { 3029 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 3030 return (v == guid); 3031 } else { 3032 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 3033 return (strcmp(s, tgt) == 0); 3034 } 3035 return (B_FALSE); 3036} 3037 3038static char * 3039find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 3040{ 3041 nvlist_t *pools; 3042 nvlist_t *match = NULL; 3043 char *name = NULL; 3044 char *sepp = NULL; 3045 char sep; 3046 int count = 0; 3047 importargs_t args = { 0 }; 3048 3049 args.paths = dirc; 3050 args.path = dirv; 3051 args.can_be_active = B_TRUE; 3052 3053 if ((sepp = strpbrk(*target, "/@")) != NULL) { 3054 sep = *sepp; 3055 *sepp = '\0'; 3056 } 3057 3058 pools = zpool_search_import(g_zfs, &args); 3059 3060 if (pools != NULL) { 3061 nvpair_t *elem = NULL; 3062 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3063 verify(nvpair_value_nvlist(elem, configp) == 0); 3064 if (pool_match(*configp, *target)) { 3065 count++; 3066 if (match != NULL) { 3067 /* print previously found config */ 3068 if (name != NULL) { 3069 (void) printf("%s\n", name); 3070 dump_nvlist(match, 8); 3071 name = NULL; 3072 } 3073 (void) printf("%s\n", 3074 nvpair_name(elem)); 3075 dump_nvlist(*configp, 8); 3076 } else { 3077 match = *configp; 3078 name = nvpair_name(elem); 3079 } 3080 } 3081 } 3082 } 3083 if (count > 1) 3084 (void) fatal("\tMatched %d pools - use pool GUID " 3085 "instead of pool name or \n" 3086 "\tpool name part of a dataset name to select pool", count); 3087 3088 if (sepp) 3089 *sepp = sep; 3090 /* 3091 * If pool GUID was specified for pool id, replace it with pool name 3092 */ 3093 if (name && (strstr(*target, name) != *target)) { 3094 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3095 3096 *target = umem_alloc(sz, UMEM_NOFAIL); 3097 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3098 } 3099 3100 *configp = name ? match : NULL; 3101 3102 return (name); 3103} 3104 3105int 3106main(int argc, char **argv) 3107{ 3108 int i, c; 3109 struct rlimit rl = { 1024, 1024 }; 3110 spa_t *spa = NULL; 3111 objset_t *os = NULL; 3112 int dump_all = 1; 3113 int verbose = 0; 3114 int error = 0; 3115 char **searchdirs = NULL; 3116 int nsearch = 0; 3117 char *target; 3118 nvlist_t *policy = NULL; 3119 uint64_t max_txg = UINT64_MAX; 3120 int rewind = ZPOOL_NEVER_REWIND; 3121 3122 (void) setrlimit(RLIMIT_NOFILE, &rl); 3123 (void) enable_extended_FILE_stdio(-1, -1); 3124 3125 dprintf_setup(&argc, argv); 3126 3127 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) { 3128 switch (c) { 3129 case 'b': 3130 case 'c': 3131 case 'd': 3132 case 'h': 3133 case 'i': 3134 case 'l': 3135 case 'm': 3136 case 's': 3137 case 'u': 3138 case 'C': 3139 case 'D': 3140 case 'R': 3141 case 'S': 3142 dump_opt[c]++; 3143 dump_all = 0; 3144 break; 3145 case 'A': 3146 case 'F': 3147 case 'L': 3148 case 'X': 3149 case 'e': 3150 case 'P': 3151 dump_opt[c]++; 3152 break; 3153 case 'v': 3154 verbose++; 3155 break; 3156 case 'p': 3157 if (searchdirs == NULL) { 3158 searchdirs = umem_alloc(sizeof (char *), 3159 UMEM_NOFAIL); 3160 } else { 3161 char **tmp = umem_alloc((nsearch + 1) * 3162 sizeof (char *), UMEM_NOFAIL); 3163 bcopy(searchdirs, tmp, nsearch * 3164 sizeof (char *)); 3165 umem_free(searchdirs, 3166 nsearch * sizeof (char *)); 3167 searchdirs = tmp; 3168 } 3169 searchdirs[nsearch++] = optarg; 3170 break; 3171 case 't': 3172 max_txg = strtoull(optarg, NULL, 0); 3173 if (max_txg < TXG_INITIAL) { 3174 (void) fprintf(stderr, "incorrect txg " 3175 "specified: %s\n", optarg); 3176 usage(); 3177 } 3178 break; 3179 case 'U': 3180 spa_config_path = optarg; 3181 break; 3182 default: 3183 usage(); 3184 break; 3185 } 3186 } 3187 3188 if (!dump_opt['e'] && searchdirs != NULL) { 3189 (void) fprintf(stderr, "-p option requires use of -e\n"); 3190 usage(); 3191 } 3192 3193 kernel_init(FREAD); 3194 g_zfs = libzfs_init(); 3195 ASSERT(g_zfs != NULL); 3196 3197 if (dump_all) 3198 verbose = MAX(verbose, 1); 3199 3200 for (c = 0; c < 256; c++) { 3201 if (dump_all && !strchr("elAFLRSXP", c)) 3202 dump_opt[c] = 1; 3203 if (dump_opt[c]) 3204 dump_opt[c] += verbose; 3205 } 3206 3207 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3208 zfs_recover = (dump_opt['A'] > 1); 3209 3210 argc -= optind; 3211 argv += optind; 3212 3213 if (argc < 2 && dump_opt['R']) 3214 usage(); 3215 if (argc < 1) { 3216 if (!dump_opt['e'] && dump_opt['C']) { 3217 dump_cachefile(spa_config_path); 3218 return (0); 3219 } 3220 usage(); 3221 } 3222 3223 if (dump_opt['l']) { 3224 dump_label(argv[0]); 3225 return (0); 3226 } 3227 3228 if (dump_opt['X'] || dump_opt['F']) 3229 rewind = ZPOOL_DO_REWIND | 3230 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3231 3232 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3233 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3234 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3235 fatal("internal error: %s", strerror(ENOMEM)); 3236 3237 error = 0; 3238 target = argv[0]; 3239 3240 if (dump_opt['e']) { 3241 nvlist_t *cfg = NULL; 3242 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3243 3244 error = ENOENT; 3245 if (name) { 3246 if (dump_opt['C'] > 1) { 3247 (void) printf("\nConfiguration for import:\n"); 3248 dump_nvlist(cfg, 8); 3249 } 3250 if (nvlist_add_nvlist(cfg, 3251 ZPOOL_REWIND_POLICY, policy) != 0) { 3252 fatal("can't open '%s': %s", 3253 target, strerror(ENOMEM)); 3254 } 3255 if ((error = spa_import(name, cfg, NULL, 3256 ZFS_IMPORT_MISSING_LOG)) != 0) { 3257 error = spa_import(name, cfg, NULL, 3258 ZFS_IMPORT_VERBATIM); 3259 } 3260 } 3261 } 3262 3263 if (error == 0) { 3264 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3265 error = spa_open_rewind(target, &spa, FTAG, policy, 3266 NULL); 3267 if (error) { 3268 /* 3269 * If we're missing the log device then 3270 * try opening the pool after clearing the 3271 * log state. 3272 */ 3273 mutex_enter(&spa_namespace_lock); 3274 if ((spa = spa_lookup(target)) != NULL && 3275 spa->spa_log_state == SPA_LOG_MISSING) { 3276 spa->spa_log_state = SPA_LOG_CLEAR; 3277 error = 0; 3278 } 3279 mutex_exit(&spa_namespace_lock); 3280 3281 if (!error) { 3282 error = spa_open_rewind(target, &spa, 3283 FTAG, policy, NULL); 3284 } 3285 } 3286 } else { 3287 error = dmu_objset_own(target, DMU_OST_ANY, 3288 B_TRUE, FTAG, &os); 3289 } 3290 } 3291 nvlist_free(policy); 3292 3293 if (error) 3294 fatal("can't open '%s': %s", target, strerror(error)); 3295 3296 argv++; 3297 argc--; 3298 if (!dump_opt['R']) { 3299 if (argc > 0) { 3300 zopt_objects = argc; 3301 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3302 for (i = 0; i < zopt_objects; i++) { 3303 errno = 0; 3304 zopt_object[i] = strtoull(argv[i], NULL, 0); 3305 if (zopt_object[i] == 0 && errno != 0) 3306 fatal("bad number %s: %s", 3307 argv[i], strerror(errno)); 3308 } 3309 } 3310 if (os != NULL) { 3311 dump_dir(os); 3312 } else if (zopt_objects > 0 && !dump_opt['m']) { 3313 dump_dir(spa->spa_meta_objset); 3314 } else { 3315 dump_zpool(spa); 3316 } 3317 } else { 3318 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3319 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3320 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3321 flagbits['e'] = ZDB_FLAG_BSWAP; 3322 flagbits['g'] = ZDB_FLAG_GBH; 3323 flagbits['i'] = ZDB_FLAG_INDIRECT; 3324 flagbits['p'] = ZDB_FLAG_PHYS; 3325 flagbits['r'] = ZDB_FLAG_RAW; 3326 3327 for (i = 0; i < argc; i++) 3328 zdb_read_block(argv[i], spa); 3329 } 3330 3331 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3332 3333 fuid_table_destroy(); 3334 sa_loaded = B_FALSE; 3335 3336 libzfs_fini(g_zfs); 3337 kernel_fini(); 3338 3339 return (0); 3340} 3341