zdb.c revision 275488
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) 2011, 2014 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 boolean_t zfs_recover; 79extern uint64_t zfs_arc_max, zfs_arc_meta_limit; 80extern int zfs_vdev_async_read_max_active; 81#else 82boolean_t zfs_recover; 83uint64_t zfs_arc_max, zfs_arc_meta_limit; 84int zfs_vdev_async_read_max_active; 85#endif 86 87const char cmdname[] = "zdb"; 88uint8_t dump_opt[256]; 89 90typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 91 92extern void dump_intent_log(zilog_t *); 93uint64_t *zopt_object = NULL; 94int zopt_objects = 0; 95libzfs_handle_t *g_zfs; 96uint64_t max_inflight = 1000; 97 98/* 99 * These libumem hooks provide a reasonable set of defaults for the allocator's 100 * debugging facilities. 101 */ 102const char * 103_umem_debug_init() 104{ 105 return ("default,verbose"); /* $UMEM_DEBUG setting */ 106} 107 108const char * 109_umem_logging_init(void) 110{ 111 return ("fail,contents"); /* $UMEM_LOGGING setting */ 112} 113 114static void 115usage(void) 116{ 117 (void) fprintf(stderr, 118 "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " 119 "[-U config] [-I inflight I/Os] [-x dumpdir] poolname [object...]\n" 120 " %s [-divPA] [-e -p path...] [-U config] dataset " 121 "[object...]\n" 122 " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] " 123 "poolname [vdev [metaslab...]]\n" 124 " %s -R [-A] [-e [-p path...]] poolname " 125 "vdev:offset:size[:flags]\n" 126 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n" 127 " %s -l [-uA] device\n" 128 " %s -C [-A] [-U config]\n\n", 129 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 130 131 (void) fprintf(stderr, " Dataset name must include at least one " 132 "separator character '/' or '@'\n"); 133 (void) fprintf(stderr, " If dataset name is specified, only that " 134 "dataset is dumped\n"); 135 (void) fprintf(stderr, " If object numbers are specified, only " 136 "those objects are dumped\n\n"); 137 (void) fprintf(stderr, " Options to control amount of output:\n"); 138 (void) fprintf(stderr, " -u uberblock\n"); 139 (void) fprintf(stderr, " -d dataset(s)\n"); 140 (void) fprintf(stderr, " -i intent logs\n"); 141 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 142 (void) fprintf(stderr, " -h pool history\n"); 143 (void) fprintf(stderr, " -b block statistics\n"); 144 (void) fprintf(stderr, " -m metaslabs\n"); 145 (void) fprintf(stderr, " -M metaslab groups\n"); 146 (void) fprintf(stderr, " -c checksum all metadata (twice for " 147 "all data) blocks\n"); 148 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 149 (void) fprintf(stderr, " -D dedup statistics\n"); 150 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 151 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 152 (void) fprintf(stderr, " -l dump label contents\n"); 153 (void) fprintf(stderr, " -L disable leak tracking (do not " 154 "load spacemaps)\n"); 155 (void) fprintf(stderr, " -R read and display block from a " 156 "device\n\n"); 157 (void) fprintf(stderr, " Below options are intended for use " 158 "with other options:\n"); 159 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 160 "panic recovery (-AA) or both (-AAA)\n"); 161 (void) fprintf(stderr, " -F attempt automatic rewind within " 162 "safe range of transaction groups\n"); 163 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 164 "cachefile\n"); 165 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 166 "work with dataset)\n"); 167 (void) fprintf(stderr, " -e pool is exported/destroyed/" 168 "has altroot/not in a cachefile\n"); 169 (void) fprintf(stderr, " -p <path> -- use one or more with " 170 "-e to specify path to vdev dir\n"); 171 (void) fprintf(stderr, " -x <dumpdir> -- " 172 "dump all read blocks into specified directory\n"); 173 (void) fprintf(stderr, " -P print numbers in parseable form\n"); 174 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 175 "searching for uberblocks\n"); 176 (void) fprintf(stderr, " -I <number of inflight I/Os> -- " 177 "specify the maximum number of " 178 "checksumming I/Os [default is 200]\n"); 179 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 180 "to make only that option verbose\n"); 181 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 182 exit(1); 183} 184 185/* 186 * Called for usage errors that are discovered after a call to spa_open(), 187 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 188 */ 189 190static void 191fatal(const char *fmt, ...) 192{ 193 va_list ap; 194 195 va_start(ap, fmt); 196 (void) fprintf(stderr, "%s: ", cmdname); 197 (void) vfprintf(stderr, fmt, ap); 198 va_end(ap); 199 (void) fprintf(stderr, "\n"); 200 201 exit(1); 202} 203 204/* ARGSUSED */ 205static void 206dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 207{ 208 nvlist_t *nv; 209 size_t nvsize = *(uint64_t *)data; 210 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 211 212 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 213 214 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 215 216 umem_free(packed, nvsize); 217 218 dump_nvlist(nv, 8); 219 220 nvlist_free(nv); 221} 222 223/* ARGSUSED */ 224static void 225dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 226{ 227 spa_history_phys_t *shp = data; 228 229 if (shp == NULL) 230 return; 231 232 (void) printf("\t\tpool_create_len = %llu\n", 233 (u_longlong_t)shp->sh_pool_create_len); 234 (void) printf("\t\tphys_max_off = %llu\n", 235 (u_longlong_t)shp->sh_phys_max_off); 236 (void) printf("\t\tbof = %llu\n", 237 (u_longlong_t)shp->sh_bof); 238 (void) printf("\t\teof = %llu\n", 239 (u_longlong_t)shp->sh_eof); 240 (void) printf("\t\trecords_lost = %llu\n", 241 (u_longlong_t)shp->sh_records_lost); 242} 243 244static void 245zdb_nicenum(uint64_t num, char *buf) 246{ 247 if (dump_opt['P']) 248 (void) sprintf(buf, "%llu", (longlong_t)num); 249 else 250 nicenum(num, buf); 251} 252 253const char histo_stars[] = "****************************************"; 254const int histo_width = sizeof (histo_stars) - 1; 255 256static void 257dump_histogram(const uint64_t *histo, int size, int offset) 258{ 259 int i; 260 int minidx = size - 1; 261 int maxidx = 0; 262 uint64_t max = 0; 263 264 for (i = 0; i < size; i++) { 265 if (histo[i] > max) 266 max = histo[i]; 267 if (histo[i] > 0 && i > maxidx) 268 maxidx = i; 269 if (histo[i] > 0 && i < minidx) 270 minidx = i; 271 } 272 273 if (max < histo_width) 274 max = histo_width; 275 276 for (i = minidx; i <= maxidx; i++) { 277 (void) printf("\t\t\t%3u: %6llu %s\n", 278 i + offset, (u_longlong_t)histo[i], 279 &histo_stars[(max - histo[i]) * histo_width / max]); 280 } 281} 282 283static void 284dump_zap_stats(objset_t *os, uint64_t object) 285{ 286 int error; 287 zap_stats_t zs; 288 289 error = zap_get_stats(os, object, &zs); 290 if (error) 291 return; 292 293 if (zs.zs_ptrtbl_len == 0) { 294 ASSERT(zs.zs_num_blocks == 1); 295 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 296 (u_longlong_t)zs.zs_blocksize, 297 (u_longlong_t)zs.zs_num_entries); 298 return; 299 } 300 301 (void) printf("\tFat ZAP stats:\n"); 302 303 (void) printf("\t\tPointer table:\n"); 304 (void) printf("\t\t\t%llu elements\n", 305 (u_longlong_t)zs.zs_ptrtbl_len); 306 (void) printf("\t\t\tzt_blk: %llu\n", 307 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 308 (void) printf("\t\t\tzt_numblks: %llu\n", 309 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 310 (void) printf("\t\t\tzt_shift: %llu\n", 311 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 312 (void) printf("\t\t\tzt_blks_copied: %llu\n", 313 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 314 (void) printf("\t\t\tzt_nextblk: %llu\n", 315 (u_longlong_t)zs.zs_ptrtbl_nextblk); 316 317 (void) printf("\t\tZAP entries: %llu\n", 318 (u_longlong_t)zs.zs_num_entries); 319 (void) printf("\t\tLeaf blocks: %llu\n", 320 (u_longlong_t)zs.zs_num_leafs); 321 (void) printf("\t\tTotal blocks: %llu\n", 322 (u_longlong_t)zs.zs_num_blocks); 323 (void) printf("\t\tzap_block_type: 0x%llx\n", 324 (u_longlong_t)zs.zs_block_type); 325 (void) printf("\t\tzap_magic: 0x%llx\n", 326 (u_longlong_t)zs.zs_magic); 327 (void) printf("\t\tzap_salt: 0x%llx\n", 328 (u_longlong_t)zs.zs_salt); 329 330 (void) printf("\t\tLeafs with 2^n pointers:\n"); 331 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0); 332 333 (void) printf("\t\tBlocks with n*5 entries:\n"); 334 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0); 335 336 (void) printf("\t\tBlocks n/10 full:\n"); 337 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0); 338 339 (void) printf("\t\tEntries with n chunks:\n"); 340 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0); 341 342 (void) printf("\t\tBuckets with n entries:\n"); 343 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0); 344} 345 346/*ARGSUSED*/ 347static void 348dump_none(objset_t *os, uint64_t object, void *data, size_t size) 349{ 350} 351 352/*ARGSUSED*/ 353static void 354dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 355{ 356 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 357} 358 359/*ARGSUSED*/ 360void 361dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 362{ 363} 364 365/*ARGSUSED*/ 366static void 367dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 368{ 369} 370 371/*ARGSUSED*/ 372static void 373dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 374{ 375 zap_cursor_t zc; 376 zap_attribute_t attr; 377 void *prop; 378 int i; 379 380 dump_zap_stats(os, object); 381 (void) printf("\n"); 382 383 for (zap_cursor_init(&zc, os, object); 384 zap_cursor_retrieve(&zc, &attr) == 0; 385 zap_cursor_advance(&zc)) { 386 (void) printf("\t\t%s = ", attr.za_name); 387 if (attr.za_num_integers == 0) { 388 (void) printf("\n"); 389 continue; 390 } 391 prop = umem_zalloc(attr.za_num_integers * 392 attr.za_integer_length, UMEM_NOFAIL); 393 (void) zap_lookup(os, object, attr.za_name, 394 attr.za_integer_length, attr.za_num_integers, prop); 395 if (attr.za_integer_length == 1) { 396 (void) printf("%s", (char *)prop); 397 } else { 398 for (i = 0; i < attr.za_num_integers; i++) { 399 switch (attr.za_integer_length) { 400 case 2: 401 (void) printf("%u ", 402 ((uint16_t *)prop)[i]); 403 break; 404 case 4: 405 (void) printf("%u ", 406 ((uint32_t *)prop)[i]); 407 break; 408 case 8: 409 (void) printf("%lld ", 410 (u_longlong_t)((int64_t *)prop)[i]); 411 break; 412 } 413 } 414 } 415 (void) printf("\n"); 416 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 417 } 418 zap_cursor_fini(&zc); 419} 420 421/*ARGSUSED*/ 422static void 423dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 424{ 425 dump_zap_stats(os, object); 426 /* contents are printed elsewhere, properly decoded */ 427} 428 429/*ARGSUSED*/ 430static void 431dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 432{ 433 zap_cursor_t zc; 434 zap_attribute_t attr; 435 436 dump_zap_stats(os, object); 437 (void) printf("\n"); 438 439 for (zap_cursor_init(&zc, os, object); 440 zap_cursor_retrieve(&zc, &attr) == 0; 441 zap_cursor_advance(&zc)) { 442 (void) printf("\t\t%s = ", attr.za_name); 443 if (attr.za_num_integers == 0) { 444 (void) printf("\n"); 445 continue; 446 } 447 (void) printf(" %llx : [%d:%d:%d]\n", 448 (u_longlong_t)attr.za_first_integer, 449 (int)ATTR_LENGTH(attr.za_first_integer), 450 (int)ATTR_BSWAP(attr.za_first_integer), 451 (int)ATTR_NUM(attr.za_first_integer)); 452 } 453 zap_cursor_fini(&zc); 454} 455 456/*ARGSUSED*/ 457static void 458dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 459{ 460 zap_cursor_t zc; 461 zap_attribute_t attr; 462 uint16_t *layout_attrs; 463 int i; 464 465 dump_zap_stats(os, object); 466 (void) printf("\n"); 467 468 for (zap_cursor_init(&zc, os, object); 469 zap_cursor_retrieve(&zc, &attr) == 0; 470 zap_cursor_advance(&zc)) { 471 (void) printf("\t\t%s = [", attr.za_name); 472 if (attr.za_num_integers == 0) { 473 (void) printf("\n"); 474 continue; 475 } 476 477 VERIFY(attr.za_integer_length == 2); 478 layout_attrs = umem_zalloc(attr.za_num_integers * 479 attr.za_integer_length, UMEM_NOFAIL); 480 481 VERIFY(zap_lookup(os, object, attr.za_name, 482 attr.za_integer_length, 483 attr.za_num_integers, layout_attrs) == 0); 484 485 for (i = 0; i != attr.za_num_integers; i++) 486 (void) printf(" %d ", (int)layout_attrs[i]); 487 (void) printf("]\n"); 488 umem_free(layout_attrs, 489 attr.za_num_integers * attr.za_integer_length); 490 } 491 zap_cursor_fini(&zc); 492} 493 494/*ARGSUSED*/ 495static void 496dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 497{ 498 zap_cursor_t zc; 499 zap_attribute_t attr; 500 const char *typenames[] = { 501 /* 0 */ "not specified", 502 /* 1 */ "FIFO", 503 /* 2 */ "Character Device", 504 /* 3 */ "3 (invalid)", 505 /* 4 */ "Directory", 506 /* 5 */ "5 (invalid)", 507 /* 6 */ "Block Device", 508 /* 7 */ "7 (invalid)", 509 /* 8 */ "Regular File", 510 /* 9 */ "9 (invalid)", 511 /* 10 */ "Symbolic Link", 512 /* 11 */ "11 (invalid)", 513 /* 12 */ "Socket", 514 /* 13 */ "Door", 515 /* 14 */ "Event Port", 516 /* 15 */ "15 (invalid)", 517 }; 518 519 dump_zap_stats(os, object); 520 (void) printf("\n"); 521 522 for (zap_cursor_init(&zc, os, object); 523 zap_cursor_retrieve(&zc, &attr) == 0; 524 zap_cursor_advance(&zc)) { 525 (void) printf("\t\t%s = %lld (type: %s)\n", 526 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 527 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 528 } 529 zap_cursor_fini(&zc); 530} 531 532int 533get_dtl_refcount(vdev_t *vd) 534{ 535 int refcount = 0; 536 537 if (vd->vdev_ops->vdev_op_leaf) { 538 space_map_t *sm = vd->vdev_dtl_sm; 539 540 if (sm != NULL && 541 sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 542 return (1); 543 return (0); 544 } 545 546 for (int c = 0; c < vd->vdev_children; c++) 547 refcount += get_dtl_refcount(vd->vdev_child[c]); 548 return (refcount); 549} 550 551int 552get_metaslab_refcount(vdev_t *vd) 553{ 554 int refcount = 0; 555 556 if (vd->vdev_top == vd && !vd->vdev_removing) { 557 for (int m = 0; m < vd->vdev_ms_count; m++) { 558 space_map_t *sm = vd->vdev_ms[m]->ms_sm; 559 560 if (sm != NULL && 561 sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 562 refcount++; 563 } 564 } 565 for (int c = 0; c < vd->vdev_children; c++) 566 refcount += get_metaslab_refcount(vd->vdev_child[c]); 567 568 return (refcount); 569} 570 571static int 572verify_spacemap_refcounts(spa_t *spa) 573{ 574 uint64_t expected_refcount = 0; 575 uint64_t actual_refcount; 576 577 (void) feature_get_refcount(spa, 578 &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM], 579 &expected_refcount); 580 actual_refcount = get_dtl_refcount(spa->spa_root_vdev); 581 actual_refcount += get_metaslab_refcount(spa->spa_root_vdev); 582 583 if (expected_refcount != actual_refcount) { 584 (void) printf("space map refcount mismatch: expected %lld != " 585 "actual %lld\n", 586 (longlong_t)expected_refcount, 587 (longlong_t)actual_refcount); 588 return (2); 589 } 590 return (0); 591} 592 593static void 594dump_spacemap(objset_t *os, space_map_t *sm) 595{ 596 uint64_t alloc, offset, entry; 597 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 598 "INVALID", "INVALID", "INVALID", "INVALID" }; 599 600 if (sm == NULL) 601 return; 602 603 /* 604 * Print out the freelist entries in both encoded and decoded form. 605 */ 606 alloc = 0; 607 for (offset = 0; offset < space_map_length(sm); 608 offset += sizeof (entry)) { 609 uint8_t mapshift = sm->sm_shift; 610 611 VERIFY0(dmu_read(os, space_map_object(sm), offset, 612 sizeof (entry), &entry, DMU_READ_PREFETCH)); 613 if (SM_DEBUG_DECODE(entry)) { 614 615 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 616 (u_longlong_t)(offset / sizeof (entry)), 617 ddata[SM_DEBUG_ACTION_DECODE(entry)], 618 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 619 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 620 } else { 621 (void) printf("\t [%6llu] %c range:" 622 " %010llx-%010llx size: %06llx\n", 623 (u_longlong_t)(offset / sizeof (entry)), 624 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 625 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 626 mapshift) + sm->sm_start), 627 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 628 mapshift) + sm->sm_start + 629 (SM_RUN_DECODE(entry) << mapshift)), 630 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 631 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 632 alloc += SM_RUN_DECODE(entry) << mapshift; 633 else 634 alloc -= SM_RUN_DECODE(entry) << mapshift; 635 } 636 } 637 if (alloc != space_map_allocated(sm)) { 638 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 639 "with space map summary (%llu)\n", 640 (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc); 641 } 642} 643 644static void 645dump_metaslab_stats(metaslab_t *msp) 646{ 647 char maxbuf[32]; 648 range_tree_t *rt = msp->ms_tree; 649 avl_tree_t *t = &msp->ms_size_tree; 650 int free_pct = range_tree_space(rt) * 100 / msp->ms_size; 651 652 zdb_nicenum(metaslab_block_maxsize(msp), maxbuf); 653 654 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 655 "segments", avl_numnodes(t), "maxsize", maxbuf, 656 "freepct", free_pct); 657 (void) printf("\tIn-memory histogram:\n"); 658 dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 659} 660 661static void 662dump_metaslab(metaslab_t *msp) 663{ 664 vdev_t *vd = msp->ms_group->mg_vd; 665 spa_t *spa = vd->vdev_spa; 666 space_map_t *sm = msp->ms_sm; 667 char freebuf[32]; 668 669 zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf); 670 671 (void) printf( 672 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 673 (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start, 674 (u_longlong_t)space_map_object(sm), freebuf); 675 676 if (dump_opt['m'] > 2 && !dump_opt['L']) { 677 mutex_enter(&msp->ms_lock); 678 metaslab_load_wait(msp); 679 if (!msp->ms_loaded) { 680 VERIFY0(metaslab_load(msp)); 681 range_tree_stat_verify(msp->ms_tree); 682 } 683 dump_metaslab_stats(msp); 684 metaslab_unload(msp); 685 mutex_exit(&msp->ms_lock); 686 } 687 688 if (dump_opt['m'] > 1 && sm != NULL && 689 spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { 690 /* 691 * The space map histogram represents free space in chunks 692 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift). 693 */ 694 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n", 695 (u_longlong_t)msp->ms_fragmentation); 696 dump_histogram(sm->sm_phys->smp_histogram, 697 SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift); 698 } 699 700 if (dump_opt['d'] > 5 || dump_opt['m'] > 3) { 701 ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift)); 702 703 mutex_enter(&msp->ms_lock); 704 dump_spacemap(spa->spa_meta_objset, msp->ms_sm); 705 mutex_exit(&msp->ms_lock); 706 } 707} 708 709static void 710print_vdev_metaslab_header(vdev_t *vd) 711{ 712 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 713 (u_longlong_t)vd->vdev_id, 714 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 715 "offset", "spacemap", "free"); 716 (void) printf("\t%15s %19s %15s %10s\n", 717 "---------------", "-------------------", 718 "---------------", "-------------"); 719} 720 721static void 722dump_metaslab_groups(spa_t *spa) 723{ 724 vdev_t *rvd = spa->spa_root_vdev; 725 metaslab_class_t *mc = spa_normal_class(spa); 726 uint64_t fragmentation; 727 728 metaslab_class_histogram_verify(mc); 729 730 for (int c = 0; c < rvd->vdev_children; c++) { 731 vdev_t *tvd = rvd->vdev_child[c]; 732 metaslab_group_t *mg = tvd->vdev_mg; 733 734 if (mg->mg_class != mc) 735 continue; 736 737 metaslab_group_histogram_verify(mg); 738 mg->mg_fragmentation = metaslab_group_fragmentation(mg); 739 740 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t" 741 "fragmentation", 742 (u_longlong_t)tvd->vdev_id, 743 (u_longlong_t)tvd->vdev_ms_count); 744 if (mg->mg_fragmentation == ZFS_FRAG_INVALID) { 745 (void) printf("%3s\n", "-"); 746 } else { 747 (void) printf("%3llu%%\n", 748 (u_longlong_t)mg->mg_fragmentation); 749 } 750 dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 751 } 752 753 (void) printf("\tpool %s\tfragmentation", spa_name(spa)); 754 fragmentation = metaslab_class_fragmentation(mc); 755 if (fragmentation == ZFS_FRAG_INVALID) 756 (void) printf("\t%3s\n", "-"); 757 else 758 (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation); 759 dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 760} 761 762static void 763dump_metaslabs(spa_t *spa) 764{ 765 vdev_t *vd, *rvd = spa->spa_root_vdev; 766 uint64_t m, c = 0, children = rvd->vdev_children; 767 768 (void) printf("\nMetaslabs:\n"); 769 770 if (!dump_opt['d'] && zopt_objects > 0) { 771 c = zopt_object[0]; 772 773 if (c >= children) 774 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 775 776 if (zopt_objects > 1) { 777 vd = rvd->vdev_child[c]; 778 print_vdev_metaslab_header(vd); 779 780 for (m = 1; m < zopt_objects; m++) { 781 if (zopt_object[m] < vd->vdev_ms_count) 782 dump_metaslab( 783 vd->vdev_ms[zopt_object[m]]); 784 else 785 (void) fprintf(stderr, "bad metaslab " 786 "number %llu\n", 787 (u_longlong_t)zopt_object[m]); 788 } 789 (void) printf("\n"); 790 return; 791 } 792 children = c + 1; 793 } 794 for (; c < children; c++) { 795 vd = rvd->vdev_child[c]; 796 print_vdev_metaslab_header(vd); 797 798 for (m = 0; m < vd->vdev_ms_count; m++) 799 dump_metaslab(vd->vdev_ms[m]); 800 (void) printf("\n"); 801 } 802} 803 804static void 805dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 806{ 807 const ddt_phys_t *ddp = dde->dde_phys; 808 const ddt_key_t *ddk = &dde->dde_key; 809 char *types[4] = { "ditto", "single", "double", "triple" }; 810 char blkbuf[BP_SPRINTF_LEN]; 811 blkptr_t blk; 812 813 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 814 if (ddp->ddp_phys_birth == 0) 815 continue; 816 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 817 snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk); 818 (void) printf("index %llx refcnt %llu %s %s\n", 819 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 820 types[p], blkbuf); 821 } 822} 823 824static void 825dump_dedup_ratio(const ddt_stat_t *dds) 826{ 827 double rL, rP, rD, D, dedup, compress, copies; 828 829 if (dds->dds_blocks == 0) 830 return; 831 832 rL = (double)dds->dds_ref_lsize; 833 rP = (double)dds->dds_ref_psize; 834 rD = (double)dds->dds_ref_dsize; 835 D = (double)dds->dds_dsize; 836 837 dedup = rD / D; 838 compress = rL / rP; 839 copies = rD / rP; 840 841 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 842 "dedup * compress / copies = %.2f\n\n", 843 dedup, compress, copies, dedup * compress / copies); 844} 845 846static void 847dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 848{ 849 char name[DDT_NAMELEN]; 850 ddt_entry_t dde; 851 uint64_t walk = 0; 852 dmu_object_info_t doi; 853 uint64_t count, dspace, mspace; 854 int error; 855 856 error = ddt_object_info(ddt, type, class, &doi); 857 858 if (error == ENOENT) 859 return; 860 ASSERT(error == 0); 861 862 error = ddt_object_count(ddt, type, class, &count); 863 ASSERT(error == 0); 864 if (count == 0) 865 return; 866 867 dspace = doi.doi_physical_blocks_512 << 9; 868 mspace = doi.doi_fill_count * doi.doi_data_block_size; 869 870 ddt_object_name(ddt, type, class, name); 871 872 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 873 name, 874 (u_longlong_t)count, 875 (u_longlong_t)(dspace / count), 876 (u_longlong_t)(mspace / count)); 877 878 if (dump_opt['D'] < 3) 879 return; 880 881 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 882 883 if (dump_opt['D'] < 4) 884 return; 885 886 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 887 return; 888 889 (void) printf("%s contents:\n\n", name); 890 891 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 892 dump_dde(ddt, &dde, walk); 893 894 ASSERT(error == ENOENT); 895 896 (void) printf("\n"); 897} 898 899static void 900dump_all_ddts(spa_t *spa) 901{ 902 ddt_histogram_t ddh_total = { 0 }; 903 ddt_stat_t dds_total = { 0 }; 904 905 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 906 ddt_t *ddt = spa->spa_ddt[c]; 907 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 908 for (enum ddt_class class = 0; class < DDT_CLASSES; 909 class++) { 910 dump_ddt(ddt, type, class); 911 } 912 } 913 } 914 915 ddt_get_dedup_stats(spa, &dds_total); 916 917 if (dds_total.dds_blocks == 0) { 918 (void) printf("All DDTs are empty\n"); 919 return; 920 } 921 922 (void) printf("\n"); 923 924 if (dump_opt['D'] > 1) { 925 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 926 ddt_get_dedup_histogram(spa, &ddh_total); 927 zpool_dump_ddt(&dds_total, &ddh_total); 928 } 929 930 dump_dedup_ratio(&dds_total); 931} 932 933static void 934dump_dtl_seg(void *arg, uint64_t start, uint64_t size) 935{ 936 char *prefix = arg; 937 938 (void) printf("%s [%llu,%llu) length %llu\n", 939 prefix, 940 (u_longlong_t)start, 941 (u_longlong_t)(start + size), 942 (u_longlong_t)(size)); 943} 944 945static void 946dump_dtl(vdev_t *vd, int indent) 947{ 948 spa_t *spa = vd->vdev_spa; 949 boolean_t required; 950 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 951 char prefix[256]; 952 953 spa_vdev_state_enter(spa, SCL_NONE); 954 required = vdev_dtl_required(vd); 955 (void) spa_vdev_state_exit(spa, NULL, 0); 956 957 if (indent == 0) 958 (void) printf("\nDirty time logs:\n\n"); 959 960 (void) printf("\t%*s%s [%s]\n", indent, "", 961 vd->vdev_path ? vd->vdev_path : 962 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 963 required ? "DTL-required" : "DTL-expendable"); 964 965 for (int t = 0; t < DTL_TYPES; t++) { 966 range_tree_t *rt = vd->vdev_dtl[t]; 967 if (range_tree_space(rt) == 0) 968 continue; 969 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 970 indent + 2, "", name[t]); 971 mutex_enter(rt->rt_lock); 972 range_tree_walk(rt, dump_dtl_seg, prefix); 973 mutex_exit(rt->rt_lock); 974 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 975 dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm); 976 } 977 978 for (int c = 0; c < vd->vdev_children; c++) 979 dump_dtl(vd->vdev_child[c], indent + 4); 980} 981 982/* from spa_history.c: spa_history_create_obj() */ 983#define HIS_BUF_LEN_DEF (128 << 10) 984#define HIS_BUF_LEN_MAX (1 << 30) 985 986static void 987dump_history(spa_t *spa) 988{ 989 nvlist_t **events = NULL; 990 char *buf = NULL; 991 uint64_t bufsize = HIS_BUF_LEN_DEF; 992 uint64_t resid, len, off = 0; 993 uint_t num = 0; 994 int error; 995 time_t tsec; 996 struct tm t; 997 char tbuf[30]; 998 char internalstr[MAXPATHLEN]; 999 1000 if ((buf = malloc(bufsize)) == NULL) 1001 (void) fprintf(stderr, "Unable to read history: " 1002 "out of memory\n"); 1003 do { 1004 len = bufsize; 1005 1006 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 1007 (void) fprintf(stderr, "Unable to read history: " 1008 "error %d\n", error); 1009 return; 1010 } 1011 1012 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 1013 break; 1014 off -= resid; 1015 1016 /* 1017 * If the history block is too big, double the buffer 1018 * size and try again. 1019 */ 1020 if (resid == len) { 1021 free(buf); 1022 buf = NULL; 1023 1024 bufsize <<= 1; 1025 if ((bufsize >= HIS_BUF_LEN_MAX) || 1026 ((buf = malloc(bufsize)) == NULL)) { 1027 (void) fprintf(stderr, "Unable to read history: " 1028 "out of memory\n"); 1029 return; 1030 } 1031 } 1032 } while (len != 0); 1033 free(buf); 1034 1035 (void) printf("\nHistory:\n"); 1036 for (int i = 0; i < num; i++) { 1037 uint64_t time, txg, ievent; 1038 char *cmd, *intstr; 1039 boolean_t printed = B_FALSE; 1040 1041 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 1042 &time) != 0) 1043 goto next; 1044 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 1045 &cmd) != 0) { 1046 if (nvlist_lookup_uint64(events[i], 1047 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 1048 goto next; 1049 verify(nvlist_lookup_uint64(events[i], 1050 ZPOOL_HIST_TXG, &txg) == 0); 1051 verify(nvlist_lookup_string(events[i], 1052 ZPOOL_HIST_INT_STR, &intstr) == 0); 1053 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 1054 goto next; 1055 1056 (void) snprintf(internalstr, 1057 sizeof (internalstr), 1058 "[internal %s txg:%lld] %s", 1059 zfs_history_event_names[ievent], txg, 1060 intstr); 1061 cmd = internalstr; 1062 } 1063 tsec = time; 1064 (void) localtime_r(&tsec, &t); 1065 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 1066 (void) printf("%s %s\n", tbuf, cmd); 1067 printed = B_TRUE; 1068 1069next: 1070 if (dump_opt['h'] > 1) { 1071 if (!printed) 1072 (void) printf("unrecognized record:\n"); 1073 dump_nvlist(events[i], 2); 1074 } 1075 } 1076} 1077 1078/*ARGSUSED*/ 1079static void 1080dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 1081{ 1082} 1083 1084static uint64_t 1085blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, 1086 const zbookmark_phys_t *zb) 1087{ 1088 if (dnp == NULL) { 1089 ASSERT(zb->zb_level < 0); 1090 if (zb->zb_object == 0) 1091 return (zb->zb_blkid); 1092 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 1093 } 1094 1095 ASSERT(zb->zb_level >= 0); 1096 1097 return ((zb->zb_blkid << 1098 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 1099 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 1100} 1101 1102static void 1103snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp) 1104{ 1105 const dva_t *dva = bp->blk_dva; 1106 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 1107 1108 if (dump_opt['b'] >= 6) { 1109 snprintf_blkptr(blkbuf, buflen, bp); 1110 return; 1111 } 1112 1113 if (BP_IS_EMBEDDED(bp)) { 1114 (void) sprintf(blkbuf, 1115 "EMBEDDED et=%u %llxL/%llxP B=%llu", 1116 (int)BPE_GET_ETYPE(bp), 1117 (u_longlong_t)BPE_GET_LSIZE(bp), 1118 (u_longlong_t)BPE_GET_PSIZE(bp), 1119 (u_longlong_t)bp->blk_birth); 1120 return; 1121 } 1122 1123 blkbuf[0] = '\0'; 1124 for (int i = 0; i < ndvas; i++) 1125 (void) snprintf(blkbuf + strlen(blkbuf), 1126 buflen - strlen(blkbuf), "%llu:%llx:%llx ", 1127 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 1128 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 1129 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 1130 1131 if (BP_IS_HOLE(bp)) { 1132 (void) snprintf(blkbuf + strlen(blkbuf), 1133 buflen - strlen(blkbuf), "B=%llu", 1134 (u_longlong_t)bp->blk_birth); 1135 } else { 1136 (void) snprintf(blkbuf + strlen(blkbuf), 1137 buflen - strlen(blkbuf), 1138 "%llxL/%llxP F=%llu B=%llu/%llu", 1139 (u_longlong_t)BP_GET_LSIZE(bp), 1140 (u_longlong_t)BP_GET_PSIZE(bp), 1141 (u_longlong_t)BP_GET_FILL(bp), 1142 (u_longlong_t)bp->blk_birth, 1143 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 1144 } 1145} 1146 1147static void 1148print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb, 1149 const dnode_phys_t *dnp) 1150{ 1151 char blkbuf[BP_SPRINTF_LEN]; 1152 int l; 1153 1154 if (!BP_IS_EMBEDDED(bp)) { 1155 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 1156 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 1157 } 1158 1159 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 1160 1161 ASSERT(zb->zb_level >= 0); 1162 1163 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 1164 if (l == zb->zb_level) { 1165 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 1166 } else { 1167 (void) printf(" "); 1168 } 1169 } 1170 1171 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1172 (void) printf("%s\n", blkbuf); 1173} 1174 1175static int 1176visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1177 blkptr_t *bp, const zbookmark_phys_t *zb) 1178{ 1179 int err = 0; 1180 1181 if (bp->blk_birth == 0) 1182 return (0); 1183 1184 print_indirect(bp, zb, dnp); 1185 1186 if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) { 1187 uint32_t flags = ARC_WAIT; 1188 int i; 1189 blkptr_t *cbp; 1190 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1191 arc_buf_t *buf; 1192 uint64_t fill = 0; 1193 1194 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 1195 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1196 if (err) 1197 return (err); 1198 ASSERT(buf->b_data); 1199 1200 /* recursively visit blocks below this */ 1201 cbp = buf->b_data; 1202 for (i = 0; i < epb; i++, cbp++) { 1203 zbookmark_phys_t czb; 1204 1205 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1206 zb->zb_level - 1, 1207 zb->zb_blkid * epb + i); 1208 err = visit_indirect(spa, dnp, cbp, &czb); 1209 if (err) 1210 break; 1211 fill += BP_GET_FILL(cbp); 1212 } 1213 if (!err) 1214 ASSERT3U(fill, ==, BP_GET_FILL(bp)); 1215 (void) arc_buf_remove_ref(buf, &buf); 1216 } 1217 1218 return (err); 1219} 1220 1221/*ARGSUSED*/ 1222static void 1223dump_indirect(dnode_t *dn) 1224{ 1225 dnode_phys_t *dnp = dn->dn_phys; 1226 int j; 1227 zbookmark_phys_t czb; 1228 1229 (void) printf("Indirect blocks:\n"); 1230 1231 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1232 dn->dn_object, dnp->dn_nlevels - 1, 0); 1233 for (j = 0; j < dnp->dn_nblkptr; j++) { 1234 czb.zb_blkid = j; 1235 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1236 &dnp->dn_blkptr[j], &czb); 1237 } 1238 1239 (void) printf("\n"); 1240} 1241 1242/*ARGSUSED*/ 1243static void 1244dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1245{ 1246 dsl_dir_phys_t *dd = data; 1247 time_t crtime; 1248 char nice[32]; 1249 1250 if (dd == NULL) 1251 return; 1252 1253 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1254 1255 crtime = dd->dd_creation_time; 1256 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1257 (void) printf("\t\thead_dataset_obj = %llu\n", 1258 (u_longlong_t)dd->dd_head_dataset_obj); 1259 (void) printf("\t\tparent_dir_obj = %llu\n", 1260 (u_longlong_t)dd->dd_parent_obj); 1261 (void) printf("\t\torigin_obj = %llu\n", 1262 (u_longlong_t)dd->dd_origin_obj); 1263 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1264 (u_longlong_t)dd->dd_child_dir_zapobj); 1265 zdb_nicenum(dd->dd_used_bytes, nice); 1266 (void) printf("\t\tused_bytes = %s\n", nice); 1267 zdb_nicenum(dd->dd_compressed_bytes, nice); 1268 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1269 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1270 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1271 zdb_nicenum(dd->dd_quota, nice); 1272 (void) printf("\t\tquota = %s\n", nice); 1273 zdb_nicenum(dd->dd_reserved, nice); 1274 (void) printf("\t\treserved = %s\n", nice); 1275 (void) printf("\t\tprops_zapobj = %llu\n", 1276 (u_longlong_t)dd->dd_props_zapobj); 1277 (void) printf("\t\tdeleg_zapobj = %llu\n", 1278 (u_longlong_t)dd->dd_deleg_zapobj); 1279 (void) printf("\t\tflags = %llx\n", 1280 (u_longlong_t)dd->dd_flags); 1281 1282#define DO(which) \ 1283 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1284 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1285 DO(HEAD); 1286 DO(SNAP); 1287 DO(CHILD); 1288 DO(CHILD_RSRV); 1289 DO(REFRSRV); 1290#undef DO 1291} 1292 1293/*ARGSUSED*/ 1294static void 1295dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1296{ 1297 dsl_dataset_phys_t *ds = data; 1298 time_t crtime; 1299 char used[32], compressed[32], uncompressed[32], unique[32]; 1300 char blkbuf[BP_SPRINTF_LEN]; 1301 1302 if (ds == NULL) 1303 return; 1304 1305 ASSERT(size == sizeof (*ds)); 1306 crtime = ds->ds_creation_time; 1307 zdb_nicenum(ds->ds_referenced_bytes, used); 1308 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1309 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1310 zdb_nicenum(ds->ds_unique_bytes, unique); 1311 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp); 1312 1313 (void) printf("\t\tdir_obj = %llu\n", 1314 (u_longlong_t)ds->ds_dir_obj); 1315 (void) printf("\t\tprev_snap_obj = %llu\n", 1316 (u_longlong_t)ds->ds_prev_snap_obj); 1317 (void) printf("\t\tprev_snap_txg = %llu\n", 1318 (u_longlong_t)ds->ds_prev_snap_txg); 1319 (void) printf("\t\tnext_snap_obj = %llu\n", 1320 (u_longlong_t)ds->ds_next_snap_obj); 1321 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1322 (u_longlong_t)ds->ds_snapnames_zapobj); 1323 (void) printf("\t\tnum_children = %llu\n", 1324 (u_longlong_t)ds->ds_num_children); 1325 (void) printf("\t\tuserrefs_obj = %llu\n", 1326 (u_longlong_t)ds->ds_userrefs_obj); 1327 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1328 (void) printf("\t\tcreation_txg = %llu\n", 1329 (u_longlong_t)ds->ds_creation_txg); 1330 (void) printf("\t\tdeadlist_obj = %llu\n", 1331 (u_longlong_t)ds->ds_deadlist_obj); 1332 (void) printf("\t\tused_bytes = %s\n", used); 1333 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1334 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1335 (void) printf("\t\tunique = %s\n", unique); 1336 (void) printf("\t\tfsid_guid = %llu\n", 1337 (u_longlong_t)ds->ds_fsid_guid); 1338 (void) printf("\t\tguid = %llu\n", 1339 (u_longlong_t)ds->ds_guid); 1340 (void) printf("\t\tflags = %llx\n", 1341 (u_longlong_t)ds->ds_flags); 1342 (void) printf("\t\tnext_clones_obj = %llu\n", 1343 (u_longlong_t)ds->ds_next_clones_obj); 1344 (void) printf("\t\tprops_obj = %llu\n", 1345 (u_longlong_t)ds->ds_props_obj); 1346 (void) printf("\t\tbp = %s\n", blkbuf); 1347} 1348 1349/* ARGSUSED */ 1350static int 1351dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1352{ 1353 char blkbuf[BP_SPRINTF_LEN]; 1354 1355 if (bp->blk_birth != 0) { 1356 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 1357 (void) printf("\t%s\n", blkbuf); 1358 } 1359 return (0); 1360} 1361 1362static void 1363dump_bptree(objset_t *os, uint64_t obj, char *name) 1364{ 1365 char bytes[32]; 1366 bptree_phys_t *bt; 1367 dmu_buf_t *db; 1368 1369 if (dump_opt['d'] < 3) 1370 return; 1371 1372 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1373 bt = db->db_data; 1374 zdb_nicenum(bt->bt_bytes, bytes); 1375 (void) printf("\n %s: %llu datasets, %s\n", 1376 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1377 dmu_buf_rele(db, FTAG); 1378 1379 if (dump_opt['d'] < 5) 1380 return; 1381 1382 (void) printf("\n"); 1383 1384 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1385} 1386 1387/* ARGSUSED */ 1388static int 1389dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1390{ 1391 char blkbuf[BP_SPRINTF_LEN]; 1392 1393 ASSERT(bp->blk_birth != 0); 1394 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1395 (void) printf("\t%s\n", blkbuf); 1396 return (0); 1397} 1398 1399static void 1400dump_bpobj(bpobj_t *bpo, char *name, int indent) 1401{ 1402 char bytes[32]; 1403 char comp[32]; 1404 char uncomp[32]; 1405 1406 if (dump_opt['d'] < 3) 1407 return; 1408 1409 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1410 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 1411 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1412 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1413 (void) printf(" %*s: object %llu, %llu local blkptrs, " 1414 "%llu subobjs, %s (%s/%s comp)\n", 1415 indent * 8, name, 1416 (u_longlong_t)bpo->bpo_object, 1417 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1418 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1419 bytes, comp, uncomp); 1420 1421 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1422 uint64_t subobj; 1423 bpobj_t subbpo; 1424 int error; 1425 VERIFY0(dmu_read(bpo->bpo_os, 1426 bpo->bpo_phys->bpo_subobjs, 1427 i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1428 error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1429 if (error != 0) { 1430 (void) printf("ERROR %u while trying to open " 1431 "subobj id %llu\n", 1432 error, (u_longlong_t)subobj); 1433 continue; 1434 } 1435 dump_bpobj(&subbpo, "subobj", indent + 1); 1436 bpobj_close(&subbpo); 1437 } 1438 } else { 1439 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1440 indent * 8, name, 1441 (u_longlong_t)bpo->bpo_object, 1442 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1443 bytes); 1444 } 1445 1446 if (dump_opt['d'] < 5) 1447 return; 1448 1449 1450 if (indent == 0) { 1451 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1452 (void) printf("\n"); 1453 } 1454} 1455 1456static void 1457dump_deadlist(dsl_deadlist_t *dl) 1458{ 1459 dsl_deadlist_entry_t *dle; 1460 uint64_t unused; 1461 char bytes[32]; 1462 char comp[32]; 1463 char uncomp[32]; 1464 1465 if (dump_opt['d'] < 3) 1466 return; 1467 1468 if (dl->dl_oldfmt) { 1469 dump_bpobj(&dl->dl_bpobj, "old-format deadlist", 0); 1470 return; 1471 } 1472 1473 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1474 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1475 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1476 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1477 bytes, comp, uncomp); 1478 1479 if (dump_opt['d'] < 4) 1480 return; 1481 1482 (void) printf("\n"); 1483 1484 /* force the tree to be loaded */ 1485 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1486 1487 for (dle = avl_first(&dl->dl_tree); dle; 1488 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1489 if (dump_opt['d'] >= 5) { 1490 char buf[128]; 1491 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ", 1492 (longlong_t)dle->dle_mintxg, 1493 (longlong_t)dle->dle_bpobj.bpo_object); 1494 1495 dump_bpobj(&dle->dle_bpobj, buf, 0); 1496 } else { 1497 (void) printf("mintxg %llu -> obj %llu\n", 1498 (longlong_t)dle->dle_mintxg, 1499 (longlong_t)dle->dle_bpobj.bpo_object); 1500 1501 } 1502 } 1503} 1504 1505static avl_tree_t idx_tree; 1506static avl_tree_t domain_tree; 1507static boolean_t fuid_table_loaded; 1508static boolean_t sa_loaded; 1509sa_attr_type_t *sa_attr_table; 1510 1511static void 1512fuid_table_destroy() 1513{ 1514 if (fuid_table_loaded) { 1515 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1516 fuid_table_loaded = B_FALSE; 1517 } 1518} 1519 1520/* 1521 * print uid or gid information. 1522 * For normal POSIX id just the id is printed in decimal format. 1523 * For CIFS files with FUID the fuid is printed in hex followed by 1524 * the domain-rid string. 1525 */ 1526static void 1527print_idstr(uint64_t id, const char *id_type) 1528{ 1529 if (FUID_INDEX(id)) { 1530 char *domain; 1531 1532 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1533 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1534 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1535 } else { 1536 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1537 } 1538 1539} 1540 1541static void 1542dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1543{ 1544 uint32_t uid_idx, gid_idx; 1545 1546 uid_idx = FUID_INDEX(uid); 1547 gid_idx = FUID_INDEX(gid); 1548 1549 /* Load domain table, if not already loaded */ 1550 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1551 uint64_t fuid_obj; 1552 1553 /* first find the fuid object. It lives in the master node */ 1554 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1555 8, 1, &fuid_obj) == 0); 1556 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1557 (void) zfs_fuid_table_load(os, fuid_obj, 1558 &idx_tree, &domain_tree); 1559 fuid_table_loaded = B_TRUE; 1560 } 1561 1562 print_idstr(uid, "uid"); 1563 print_idstr(gid, "gid"); 1564} 1565 1566/*ARGSUSED*/ 1567static void 1568dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1569{ 1570 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1571 sa_handle_t *hdl; 1572 uint64_t xattr, rdev, gen; 1573 uint64_t uid, gid, mode, fsize, parent, links; 1574 uint64_t pflags; 1575 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1576 time_t z_crtime, z_atime, z_mtime, z_ctime; 1577 sa_bulk_attr_t bulk[12]; 1578 int idx = 0; 1579 int error; 1580 1581 if (!sa_loaded) { 1582 uint64_t sa_attrs = 0; 1583 uint64_t version; 1584 1585 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1586 8, 1, &version) == 0); 1587 if (version >= ZPL_VERSION_SA) { 1588 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1589 8, 1, &sa_attrs) == 0); 1590 } 1591 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1592 ZPL_END, &sa_attr_table)) != 0) { 1593 (void) printf("sa_setup failed errno %d, can't " 1594 "display znode contents\n", error); 1595 return; 1596 } 1597 sa_loaded = B_TRUE; 1598 } 1599 1600 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1601 (void) printf("Failed to get handle for SA znode\n"); 1602 return; 1603 } 1604 1605 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1606 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1607 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1608 &links, 8); 1609 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1610 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1611 &mode, 8); 1612 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1613 NULL, &parent, 8); 1614 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1615 &fsize, 8); 1616 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1617 acctm, 16); 1618 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1619 modtm, 16); 1620 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1621 crtm, 16); 1622 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1623 chgtm, 16); 1624 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1625 &pflags, 8); 1626 1627 if (sa_bulk_lookup(hdl, bulk, idx)) { 1628 (void) sa_handle_destroy(hdl); 1629 return; 1630 } 1631 1632 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1633 if (error != 0) { 1634 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1635 (u_longlong_t)object); 1636 } 1637 if (dump_opt['d'] < 3) { 1638 (void) printf("\t%s\n", path); 1639 (void) sa_handle_destroy(hdl); 1640 return; 1641 } 1642 1643 z_crtime = (time_t)crtm[0]; 1644 z_atime = (time_t)acctm[0]; 1645 z_mtime = (time_t)modtm[0]; 1646 z_ctime = (time_t)chgtm[0]; 1647 1648 (void) printf("\tpath %s\n", path); 1649 dump_uidgid(os, uid, gid); 1650 (void) printf("\tatime %s", ctime(&z_atime)); 1651 (void) printf("\tmtime %s", ctime(&z_mtime)); 1652 (void) printf("\tctime %s", ctime(&z_ctime)); 1653 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1654 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1655 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1656 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1657 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1658 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1659 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1660 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1661 sizeof (uint64_t)) == 0) 1662 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1663 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1664 sizeof (uint64_t)) == 0) 1665 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1666 sa_handle_destroy(hdl); 1667} 1668 1669/*ARGSUSED*/ 1670static void 1671dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1672{ 1673} 1674 1675/*ARGSUSED*/ 1676static void 1677dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1678{ 1679} 1680 1681static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1682 dump_none, /* unallocated */ 1683 dump_zap, /* object directory */ 1684 dump_uint64, /* object array */ 1685 dump_none, /* packed nvlist */ 1686 dump_packed_nvlist, /* packed nvlist size */ 1687 dump_none, /* bplist */ 1688 dump_none, /* bplist header */ 1689 dump_none, /* SPA space map header */ 1690 dump_none, /* SPA space map */ 1691 dump_none, /* ZIL intent log */ 1692 dump_dnode, /* DMU dnode */ 1693 dump_dmu_objset, /* DMU objset */ 1694 dump_dsl_dir, /* DSL directory */ 1695 dump_zap, /* DSL directory child map */ 1696 dump_zap, /* DSL dataset snap map */ 1697 dump_zap, /* DSL props */ 1698 dump_dsl_dataset, /* DSL dataset */ 1699 dump_znode, /* ZFS znode */ 1700 dump_acl, /* ZFS V0 ACL */ 1701 dump_uint8, /* ZFS plain file */ 1702 dump_zpldir, /* ZFS directory */ 1703 dump_zap, /* ZFS master node */ 1704 dump_zap, /* ZFS delete queue */ 1705 dump_uint8, /* zvol object */ 1706 dump_zap, /* zvol prop */ 1707 dump_uint8, /* other uint8[] */ 1708 dump_uint64, /* other uint64[] */ 1709 dump_zap, /* other ZAP */ 1710 dump_zap, /* persistent error log */ 1711 dump_uint8, /* SPA history */ 1712 dump_history_offsets, /* SPA history offsets */ 1713 dump_zap, /* Pool properties */ 1714 dump_zap, /* DSL permissions */ 1715 dump_acl, /* ZFS ACL */ 1716 dump_uint8, /* ZFS SYSACL */ 1717 dump_none, /* FUID nvlist */ 1718 dump_packed_nvlist, /* FUID nvlist size */ 1719 dump_zap, /* DSL dataset next clones */ 1720 dump_zap, /* DSL scrub queue */ 1721 dump_zap, /* ZFS user/group used */ 1722 dump_zap, /* ZFS user/group quota */ 1723 dump_zap, /* snapshot refcount tags */ 1724 dump_ddt_zap, /* DDT ZAP object */ 1725 dump_zap, /* DDT statistics */ 1726 dump_znode, /* SA object */ 1727 dump_zap, /* SA Master Node */ 1728 dump_sa_attrs, /* SA attribute registration */ 1729 dump_sa_layouts, /* SA attribute layouts */ 1730 dump_zap, /* DSL scrub translations */ 1731 dump_none, /* fake dedup BP */ 1732 dump_zap, /* deadlist */ 1733 dump_none, /* deadlist hdr */ 1734 dump_zap, /* dsl clones */ 1735 dump_none, /* bpobj subobjs */ 1736 dump_unknown, /* Unknown type, must be last */ 1737}; 1738 1739static void 1740dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1741{ 1742 dmu_buf_t *db = NULL; 1743 dmu_object_info_t doi; 1744 dnode_t *dn; 1745 void *bonus = NULL; 1746 size_t bsize = 0; 1747 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1748 char bonus_size[32]; 1749 char aux[50]; 1750 int error; 1751 1752 if (*print_header) { 1753 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1754 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1755 "%full", "type"); 1756 *print_header = 0; 1757 } 1758 1759 if (object == 0) { 1760 dn = DMU_META_DNODE(os); 1761 } else { 1762 error = dmu_bonus_hold(os, object, FTAG, &db); 1763 if (error) 1764 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1765 object, error); 1766 bonus = db->db_data; 1767 bsize = db->db_size; 1768 dn = DB_DNODE((dmu_buf_impl_t *)db); 1769 } 1770 dmu_object_info_from_dnode(dn, &doi); 1771 1772 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1773 zdb_nicenum(doi.doi_data_block_size, dblk); 1774 zdb_nicenum(doi.doi_max_offset, lsize); 1775 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1776 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1777 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1778 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1779 doi.doi_max_offset); 1780 1781 aux[0] = '\0'; 1782 1783 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1784 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1785 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1786 } 1787 1788 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1789 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1790 ZDB_COMPRESS_NAME(doi.doi_compress)); 1791 } 1792 1793 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1794 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1795 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1796 1797 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1798 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1799 "", "", "", "", "", bonus_size, "bonus", 1800 ZDB_OT_NAME(doi.doi_bonus_type)); 1801 } 1802 1803 if (verbosity >= 4) { 1804 (void) printf("\tdnode flags: %s%s%s\n", 1805 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1806 "USED_BYTES " : "", 1807 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1808 "USERUSED_ACCOUNTED " : "", 1809 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1810 "SPILL_BLKPTR" : ""); 1811 (void) printf("\tdnode maxblkid: %llu\n", 1812 (longlong_t)dn->dn_phys->dn_maxblkid); 1813 1814 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1815 bonus, bsize); 1816 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1817 *print_header = 1; 1818 } 1819 1820 if (verbosity >= 5) 1821 dump_indirect(dn); 1822 1823 if (verbosity >= 5) { 1824 /* 1825 * Report the list of segments that comprise the object. 1826 */ 1827 uint64_t start = 0; 1828 uint64_t end; 1829 uint64_t blkfill = 1; 1830 int minlvl = 1; 1831 1832 if (dn->dn_type == DMU_OT_DNODE) { 1833 minlvl = 0; 1834 blkfill = DNODES_PER_BLOCK; 1835 } 1836 1837 for (;;) { 1838 char segsize[32]; 1839 error = dnode_next_offset(dn, 1840 0, &start, minlvl, blkfill, 0); 1841 if (error) 1842 break; 1843 end = start; 1844 error = dnode_next_offset(dn, 1845 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1846 zdb_nicenum(end - start, segsize); 1847 (void) printf("\t\tsegment [%016llx, %016llx)" 1848 " size %5s\n", (u_longlong_t)start, 1849 (u_longlong_t)end, segsize); 1850 if (error) 1851 break; 1852 start = end; 1853 } 1854 } 1855 1856 if (db != NULL) 1857 dmu_buf_rele(db, FTAG); 1858} 1859 1860static char *objset_types[DMU_OST_NUMTYPES] = { 1861 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1862 1863static void 1864dump_dir(objset_t *os) 1865{ 1866 dmu_objset_stats_t dds; 1867 uint64_t object, object_count; 1868 uint64_t refdbytes, usedobjs, scratch; 1869 char numbuf[32]; 1870 char blkbuf[BP_SPRINTF_LEN + 20]; 1871 char osname[MAXNAMELEN]; 1872 char *type = "UNKNOWN"; 1873 int verbosity = dump_opt['d']; 1874 int print_header = 1; 1875 int i, error; 1876 1877 dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 1878 dmu_objset_fast_stat(os, &dds); 1879 dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 1880 1881 if (dds.dds_type < DMU_OST_NUMTYPES) 1882 type = objset_types[dds.dds_type]; 1883 1884 if (dds.dds_type == DMU_OST_META) { 1885 dds.dds_creation_txg = TXG_INITIAL; 1886 usedobjs = BP_GET_FILL(os->os_rootbp); 1887 refdbytes = os->os_spa->spa_dsl_pool-> 1888 dp_mos_dir->dd_phys->dd_used_bytes; 1889 } else { 1890 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1891 } 1892 1893 ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp)); 1894 1895 zdb_nicenum(refdbytes, numbuf); 1896 1897 if (verbosity >= 4) { 1898 (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp "); 1899 (void) snprintf_blkptr(blkbuf + strlen(blkbuf), 1900 sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp); 1901 } else { 1902 blkbuf[0] = '\0'; 1903 } 1904 1905 dmu_objset_name(os, osname); 1906 1907 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1908 "%s, %llu objects%s\n", 1909 osname, type, (u_longlong_t)dmu_objset_id(os), 1910 (u_longlong_t)dds.dds_creation_txg, 1911 numbuf, (u_longlong_t)usedobjs, blkbuf); 1912 1913 if (zopt_objects != 0) { 1914 for (i = 0; i < zopt_objects; i++) 1915 dump_object(os, zopt_object[i], verbosity, 1916 &print_header); 1917 (void) printf("\n"); 1918 return; 1919 } 1920 1921 if (dump_opt['i'] != 0 || verbosity >= 2) 1922 dump_intent_log(dmu_objset_zil(os)); 1923 1924 if (dmu_objset_ds(os) != NULL) 1925 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1926 1927 if (verbosity < 2) 1928 return; 1929 1930 if (BP_IS_HOLE(os->os_rootbp)) 1931 return; 1932 1933 dump_object(os, 0, verbosity, &print_header); 1934 object_count = 0; 1935 if (DMU_USERUSED_DNODE(os) != NULL && 1936 DMU_USERUSED_DNODE(os)->dn_type != 0) { 1937 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1938 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1939 } 1940 1941 object = 0; 1942 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1943 dump_object(os, object, verbosity, &print_header); 1944 object_count++; 1945 } 1946 1947 ASSERT3U(object_count, ==, usedobjs); 1948 1949 (void) printf("\n"); 1950 1951 if (error != ESRCH) { 1952 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1953 abort(); 1954 } 1955} 1956 1957static void 1958dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1959{ 1960 time_t timestamp = ub->ub_timestamp; 1961 1962 (void) printf(header ? header : ""); 1963 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1964 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1965 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1966 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1967 (void) printf("\ttimestamp = %llu UTC = %s", 1968 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1969 if (dump_opt['u'] >= 3) { 1970 char blkbuf[BP_SPRINTF_LEN]; 1971 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp); 1972 (void) printf("\trootbp = %s\n", blkbuf); 1973 } 1974 (void) printf(footer ? footer : ""); 1975} 1976 1977static void 1978dump_config(spa_t *spa) 1979{ 1980 dmu_buf_t *db; 1981 size_t nvsize = 0; 1982 int error = 0; 1983 1984 1985 error = dmu_bonus_hold(spa->spa_meta_objset, 1986 spa->spa_config_object, FTAG, &db); 1987 1988 if (error == 0) { 1989 nvsize = *(uint64_t *)db->db_data; 1990 dmu_buf_rele(db, FTAG); 1991 1992 (void) printf("\nMOS Configuration:\n"); 1993 dump_packed_nvlist(spa->spa_meta_objset, 1994 spa->spa_config_object, (void *)&nvsize, 1); 1995 } else { 1996 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1997 (u_longlong_t)spa->spa_config_object, error); 1998 } 1999} 2000 2001static void 2002dump_cachefile(const char *cachefile) 2003{ 2004 int fd; 2005 struct stat64 statbuf; 2006 char *buf; 2007 nvlist_t *config; 2008 2009 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 2010 (void) printf("cannot open '%s': %s\n", cachefile, 2011 strerror(errno)); 2012 exit(1); 2013 } 2014 2015 if (fstat64(fd, &statbuf) != 0) { 2016 (void) printf("failed to stat '%s': %s\n", cachefile, 2017 strerror(errno)); 2018 exit(1); 2019 } 2020 2021 if ((buf = malloc(statbuf.st_size)) == NULL) { 2022 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 2023 (u_longlong_t)statbuf.st_size); 2024 exit(1); 2025 } 2026 2027 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 2028 (void) fprintf(stderr, "failed to read %llu bytes\n", 2029 (u_longlong_t)statbuf.st_size); 2030 exit(1); 2031 } 2032 2033 (void) close(fd); 2034 2035 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 2036 (void) fprintf(stderr, "failed to unpack nvlist\n"); 2037 exit(1); 2038 } 2039 2040 free(buf); 2041 2042 dump_nvlist(config, 0); 2043 2044 nvlist_free(config); 2045} 2046 2047#define ZDB_MAX_UB_HEADER_SIZE 32 2048 2049static void 2050dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 2051{ 2052 vdev_t vd; 2053 vdev_t *vdp = &vd; 2054 char header[ZDB_MAX_UB_HEADER_SIZE]; 2055 2056 vd.vdev_ashift = ashift; 2057 vdp->vdev_top = vdp; 2058 2059 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 2060 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 2061 uberblock_t *ub = (void *)((char *)lbl + uoff); 2062 2063 if (uberblock_verify(ub)) 2064 continue; 2065 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 2066 "Uberblock[%d]\n", i); 2067 dump_uberblock(ub, header, ""); 2068 } 2069} 2070 2071static void 2072dump_label(const char *dev) 2073{ 2074 int fd; 2075 vdev_label_t label; 2076 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 2077 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 2078 struct stat64 statbuf; 2079 uint64_t psize, ashift; 2080 int len = strlen(dev) + 1; 2081 2082 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 2083 len++; 2084 path = malloc(len); 2085 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 2086 } else { 2087 path = strdup(dev); 2088 } 2089 2090 if ((fd = open64(path, O_RDONLY)) < 0) { 2091 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 2092 free(path); 2093 exit(1); 2094 } 2095 2096 if (fstat64(fd, &statbuf) != 0) { 2097 (void) printf("failed to stat '%s': %s\n", path, 2098 strerror(errno)); 2099 free(path); 2100 (void) close(fd); 2101 exit(1); 2102 } 2103 2104 if (S_ISBLK(statbuf.st_mode)) { 2105 (void) printf("cannot use '%s': character device required\n", 2106 path); 2107 free(path); 2108 (void) close(fd); 2109 exit(1); 2110 } 2111 2112 psize = statbuf.st_size; 2113 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 2114 2115 for (int l = 0; l < VDEV_LABELS; l++) { 2116 nvlist_t *config = NULL; 2117 2118 (void) printf("--------------------------------------------\n"); 2119 (void) printf("LABEL %d\n", l); 2120 (void) printf("--------------------------------------------\n"); 2121 2122 if (pread64(fd, &label, sizeof (label), 2123 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 2124 (void) printf("failed to read label %d\n", l); 2125 continue; 2126 } 2127 2128 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 2129 (void) printf("failed to unpack label %d\n", l); 2130 ashift = SPA_MINBLOCKSHIFT; 2131 } else { 2132 nvlist_t *vdev_tree = NULL; 2133 2134 dump_nvlist(config, 4); 2135 if ((nvlist_lookup_nvlist(config, 2136 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 2137 (nvlist_lookup_uint64(vdev_tree, 2138 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 2139 ashift = SPA_MINBLOCKSHIFT; 2140 nvlist_free(config); 2141 } 2142 if (dump_opt['u']) 2143 dump_label_uberblocks(&label, ashift); 2144 } 2145 2146 free(path); 2147 (void) close(fd); 2148} 2149 2150/*ARGSUSED*/ 2151static int 2152dump_one_dir(const char *dsname, void *arg) 2153{ 2154 int error; 2155 objset_t *os; 2156 2157 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 2158 if (error) { 2159 (void) printf("Could not open %s, error %d\n", dsname, error); 2160 return (0); 2161 } 2162 dump_dir(os); 2163 dmu_objset_disown(os, FTAG); 2164 fuid_table_destroy(); 2165 sa_loaded = B_FALSE; 2166 return (0); 2167} 2168 2169/* 2170 * Block statistics. 2171 */ 2172#define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1) 2173typedef struct zdb_blkstats { 2174 uint64_t zb_asize; 2175 uint64_t zb_lsize; 2176 uint64_t zb_psize; 2177 uint64_t zb_count; 2178 uint64_t zb_gangs; 2179 uint64_t zb_ditto_samevdev; 2180 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE]; 2181} zdb_blkstats_t; 2182 2183/* 2184 * Extended object types to report deferred frees and dedup auto-ditto blocks. 2185 */ 2186#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2187#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2188#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2189#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2190 2191static char *zdb_ot_extname[] = { 2192 "deferred free", 2193 "dedup ditto", 2194 "other", 2195 "Total", 2196}; 2197 2198#define ZB_TOTAL DN_MAX_LEVELS 2199 2200typedef struct zdb_cb { 2201 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 2202 uint64_t zcb_dedup_asize; 2203 uint64_t zcb_dedup_blocks; 2204 uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES]; 2205 uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES] 2206 [BPE_PAYLOAD_SIZE]; 2207 uint64_t zcb_start; 2208 uint64_t zcb_lastprint; 2209 uint64_t zcb_totalasize; 2210 uint64_t zcb_errors[256]; 2211 int zcb_readfails; 2212 int zcb_haderrors; 2213 spa_t *zcb_spa; 2214} zdb_cb_t; 2215 2216static void 2217zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2218 dmu_object_type_t type) 2219{ 2220 uint64_t refcnt = 0; 2221 2222 ASSERT(type < ZDB_OT_TOTAL); 2223 2224 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2225 return; 2226 2227 for (int i = 0; i < 4; i++) { 2228 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2229 int t = (i & 1) ? type : ZDB_OT_TOTAL; 2230 int equal; 2231 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2232 2233 zb->zb_asize += BP_GET_ASIZE(bp); 2234 zb->zb_lsize += BP_GET_LSIZE(bp); 2235 zb->zb_psize += BP_GET_PSIZE(bp); 2236 zb->zb_count++; 2237 zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++; 2238 2239 zb->zb_gangs += BP_COUNT_GANG(bp); 2240 2241 switch (BP_GET_NDVAS(bp)) { 2242 case 2: 2243 if (DVA_GET_VDEV(&bp->blk_dva[0]) == 2244 DVA_GET_VDEV(&bp->blk_dva[1])) 2245 zb->zb_ditto_samevdev++; 2246 break; 2247 case 3: 2248 equal = (DVA_GET_VDEV(&bp->blk_dva[0]) == 2249 DVA_GET_VDEV(&bp->blk_dva[1])) + 2250 (DVA_GET_VDEV(&bp->blk_dva[0]) == 2251 DVA_GET_VDEV(&bp->blk_dva[2])) + 2252 (DVA_GET_VDEV(&bp->blk_dva[1]) == 2253 DVA_GET_VDEV(&bp->blk_dva[2])); 2254 if (equal != 0) 2255 zb->zb_ditto_samevdev++; 2256 break; 2257 } 2258 2259 } 2260 2261 if (BP_IS_EMBEDDED(bp)) { 2262 zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++; 2263 zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)] 2264 [BPE_GET_PSIZE(bp)]++; 2265 return; 2266 } 2267 2268 if (dump_opt['L']) 2269 return; 2270 2271 if (BP_GET_DEDUP(bp)) { 2272 ddt_t *ddt; 2273 ddt_entry_t *dde; 2274 2275 ddt = ddt_select(zcb->zcb_spa, bp); 2276 ddt_enter(ddt); 2277 dde = ddt_lookup(ddt, bp, B_FALSE); 2278 2279 if (dde == NULL) { 2280 refcnt = 0; 2281 } else { 2282 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2283 ddt_phys_decref(ddp); 2284 refcnt = ddp->ddp_refcnt; 2285 if (ddt_phys_total_refcnt(dde) == 0) 2286 ddt_remove(ddt, dde); 2287 } 2288 ddt_exit(ddt); 2289 } 2290 2291 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2292 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2293 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2294} 2295 2296/* ARGSUSED */ 2297static void 2298zdb_blkptr_done(zio_t *zio) 2299{ 2300 spa_t *spa = zio->io_spa; 2301 blkptr_t *bp = zio->io_bp; 2302 int ioerr = zio->io_error; 2303 zdb_cb_t *zcb = zio->io_private; 2304 zbookmark_phys_t *zb = &zio->io_bookmark; 2305 2306 zio_data_buf_free(zio->io_data, zio->io_size); 2307 2308 mutex_enter(&spa->spa_scrub_lock); 2309 spa->spa_scrub_inflight--; 2310 cv_broadcast(&spa->spa_scrub_io_cv); 2311 2312 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 2313 char blkbuf[BP_SPRINTF_LEN]; 2314 2315 zcb->zcb_haderrors = 1; 2316 zcb->zcb_errors[ioerr]++; 2317 2318 if (dump_opt['b'] >= 2) 2319 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2320 else 2321 blkbuf[0] = '\0'; 2322 2323 (void) printf("zdb_blkptr_cb: " 2324 "Got error %d reading " 2325 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2326 ioerr, 2327 (u_longlong_t)zb->zb_objset, 2328 (u_longlong_t)zb->zb_object, 2329 (u_longlong_t)zb->zb_level, 2330 (u_longlong_t)zb->zb_blkid, 2331 blkbuf); 2332 } 2333 mutex_exit(&spa->spa_scrub_lock); 2334} 2335 2336/* ARGSUSED */ 2337static int 2338zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2339 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2340{ 2341 zdb_cb_t *zcb = arg; 2342 dmu_object_type_t type; 2343 boolean_t is_metadata; 2344 2345 if (dump_opt['b'] >= 5 && bp->blk_birth > 0) { 2346 char blkbuf[BP_SPRINTF_LEN]; 2347 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2348 (void) printf("objset %llu object %llu " 2349 "level %lld offset 0x%llx %s\n", 2350 (u_longlong_t)zb->zb_objset, 2351 (u_longlong_t)zb->zb_object, 2352 (longlong_t)zb->zb_level, 2353 (u_longlong_t)blkid2offset(dnp, bp, zb), 2354 blkbuf); 2355 } 2356 2357 if (BP_IS_HOLE(bp)) 2358 return (0); 2359 2360 type = BP_GET_TYPE(bp); 2361 2362 zdb_count_block(zcb, zilog, bp, 2363 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2364 2365 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2366 2367 if (!BP_IS_EMBEDDED(bp) && 2368 (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) { 2369 size_t size = BP_GET_PSIZE(bp); 2370 void *data = zio_data_buf_alloc(size); 2371 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2372 2373 /* If it's an intent log block, failure is expected. */ 2374 if (zb->zb_level == ZB_ZIL_LEVEL) 2375 flags |= ZIO_FLAG_SPECULATIVE; 2376 2377 mutex_enter(&spa->spa_scrub_lock); 2378 while (spa->spa_scrub_inflight > max_inflight) 2379 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 2380 spa->spa_scrub_inflight++; 2381 mutex_exit(&spa->spa_scrub_lock); 2382 2383 zio_nowait(zio_read(NULL, spa, bp, data, size, 2384 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2385 } 2386 2387 zcb->zcb_readfails = 0; 2388 2389 /* only call gethrtime() every 100 blocks */ 2390 static int iters; 2391 if (++iters > 100) 2392 iters = 0; 2393 else 2394 return (0); 2395 2396 if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) { 2397 uint64_t now = gethrtime(); 2398 char buf[10]; 2399 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize; 2400 int kb_per_sec = 2401 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000)); 2402 int sec_remaining = 2403 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec; 2404 2405 zfs_nicenum(bytes, buf, sizeof (buf)); 2406 (void) fprintf(stderr, 2407 "\r%5s completed (%4dMB/s) " 2408 "estimated time remaining: %uhr %02umin %02usec ", 2409 buf, kb_per_sec / 1024, 2410 sec_remaining / 60 / 60, 2411 sec_remaining / 60 % 60, 2412 sec_remaining % 60); 2413 2414 zcb->zcb_lastprint = now; 2415 } 2416 2417 return (0); 2418} 2419 2420static void 2421zdb_leak(void *arg, uint64_t start, uint64_t size) 2422{ 2423 vdev_t *vd = arg; 2424 2425 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2426 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2427} 2428 2429static metaslab_ops_t zdb_metaslab_ops = { 2430 NULL /* alloc */ 2431}; 2432 2433static void 2434zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2435{ 2436 ddt_bookmark_t ddb = { 0 }; 2437 ddt_entry_t dde; 2438 int error; 2439 2440 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2441 blkptr_t blk; 2442 ddt_phys_t *ddp = dde.dde_phys; 2443 2444 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2445 return; 2446 2447 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2448 2449 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2450 if (ddp->ddp_phys_birth == 0) 2451 continue; 2452 ddt_bp_create(ddb.ddb_checksum, 2453 &dde.dde_key, ddp, &blk); 2454 if (p == DDT_PHYS_DITTO) { 2455 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2456 } else { 2457 zcb->zcb_dedup_asize += 2458 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2459 zcb->zcb_dedup_blocks++; 2460 } 2461 } 2462 if (!dump_opt['L']) { 2463 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2464 ddt_enter(ddt); 2465 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2466 ddt_exit(ddt); 2467 } 2468 } 2469 2470 ASSERT(error == ENOENT); 2471} 2472 2473static void 2474zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2475{ 2476 zcb->zcb_spa = spa; 2477 2478 if (!dump_opt['L']) { 2479 vdev_t *rvd = spa->spa_root_vdev; 2480 for (uint64_t c = 0; c < rvd->vdev_children; c++) { 2481 vdev_t *vd = rvd->vdev_child[c]; 2482 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 2483 metaslab_t *msp = vd->vdev_ms[m]; 2484 mutex_enter(&msp->ms_lock); 2485 metaslab_unload(msp); 2486 2487 /* 2488 * For leak detection, we overload the metaslab 2489 * ms_tree to contain allocated segments 2490 * instead of free segments. As a result, 2491 * we can't use the normal metaslab_load/unload 2492 * interfaces. 2493 */ 2494 if (msp->ms_sm != NULL) { 2495 (void) fprintf(stderr, 2496 "\rloading space map for " 2497 "vdev %llu of %llu, " 2498 "metaslab %llu of %llu ...", 2499 (longlong_t)c, 2500 (longlong_t)rvd->vdev_children, 2501 (longlong_t)m, 2502 (longlong_t)vd->vdev_ms_count); 2503 2504 msp->ms_ops = &zdb_metaslab_ops; 2505 2506 /* 2507 * We don't want to spend the CPU 2508 * manipulating the size-ordered 2509 * tree, so clear the range_tree 2510 * ops. 2511 */ 2512 msp->ms_tree->rt_ops = NULL; 2513 VERIFY0(space_map_load(msp->ms_sm, 2514 msp->ms_tree, SM_ALLOC)); 2515 msp->ms_loaded = B_TRUE; 2516 } 2517 mutex_exit(&msp->ms_lock); 2518 } 2519 } 2520 (void) fprintf(stderr, "\n"); 2521 } 2522 2523 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2524 2525 zdb_ddt_leak_init(spa, zcb); 2526 2527 spa_config_exit(spa, SCL_CONFIG, FTAG); 2528} 2529 2530static void 2531zdb_leak_fini(spa_t *spa) 2532{ 2533 if (!dump_opt['L']) { 2534 vdev_t *rvd = spa->spa_root_vdev; 2535 for (int c = 0; c < rvd->vdev_children; c++) { 2536 vdev_t *vd = rvd->vdev_child[c]; 2537 for (int m = 0; m < vd->vdev_ms_count; m++) { 2538 metaslab_t *msp = vd->vdev_ms[m]; 2539 mutex_enter(&msp->ms_lock); 2540 2541 /* 2542 * The ms_tree has been overloaded to 2543 * contain allocated segments. Now that we 2544 * finished traversing all blocks, any 2545 * block that remains in the ms_tree 2546 * represents an allocated block that we 2547 * did not claim during the traversal. 2548 * Claimed blocks would have been removed 2549 * from the ms_tree. 2550 */ 2551 range_tree_vacate(msp->ms_tree, zdb_leak, vd); 2552 msp->ms_loaded = B_FALSE; 2553 2554 mutex_exit(&msp->ms_lock); 2555 } 2556 } 2557 } 2558} 2559 2560/* ARGSUSED */ 2561static int 2562count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2563{ 2564 zdb_cb_t *zcb = arg; 2565 2566 if (dump_opt['b'] >= 5) { 2567 char blkbuf[BP_SPRINTF_LEN]; 2568 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2569 (void) printf("[%s] %s\n", 2570 "deferred free", blkbuf); 2571 } 2572 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2573 return (0); 2574} 2575 2576static int 2577dump_block_stats(spa_t *spa) 2578{ 2579 zdb_cb_t zcb = { 0 }; 2580 zdb_blkstats_t *zb, *tzb; 2581 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2582 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2583 boolean_t leaks = B_FALSE; 2584 2585 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n", 2586 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2587 (dump_opt['c'] == 1) ? "metadata " : "", 2588 dump_opt['c'] ? "checksums " : "", 2589 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2590 !dump_opt['L'] ? "nothing leaked " : ""); 2591 2592 /* 2593 * Load all space maps as SM_ALLOC maps, then traverse the pool 2594 * claiming each block we discover. If the pool is perfectly 2595 * consistent, the space maps will be empty when we're done. 2596 * Anything left over is a leak; any block we can't claim (because 2597 * it's not part of any space map) is a double allocation, 2598 * reference to a freed block, or an unclaimed log block. 2599 */ 2600 zdb_leak_init(spa, &zcb); 2601 2602 /* 2603 * If there's a deferred-free bplist, process that first. 2604 */ 2605 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2606 count_block_cb, &zcb, NULL); 2607 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2608 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2609 count_block_cb, &zcb, NULL); 2610 } 2611 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) { 2612 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2613 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2614 &zcb, NULL)); 2615 } 2616 2617 if (dump_opt['c'] > 1) 2618 flags |= TRAVERSE_PREFETCH_DATA; 2619 2620 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa)); 2621 zcb.zcb_start = zcb.zcb_lastprint = gethrtime(); 2622 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2623 2624 /* 2625 * If we've traversed the data blocks then we need to wait for those 2626 * I/Os to complete. We leverage "The Godfather" zio to wait on 2627 * all async I/Os to complete. 2628 */ 2629 if (dump_opt['c']) { 2630 for (int i = 0; i < max_ncpus; i++) { 2631 (void) zio_wait(spa->spa_async_zio_root[i]); 2632 spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL, 2633 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 2634 ZIO_FLAG_GODFATHER); 2635 } 2636 } 2637 2638 if (zcb.zcb_haderrors) { 2639 (void) printf("\nError counts:\n\n"); 2640 (void) printf("\t%5s %s\n", "errno", "count"); 2641 for (int e = 0; e < 256; e++) { 2642 if (zcb.zcb_errors[e] != 0) { 2643 (void) printf("\t%5d %llu\n", 2644 e, (u_longlong_t)zcb.zcb_errors[e]); 2645 } 2646 } 2647 } 2648 2649 /* 2650 * Report any leaked segments. 2651 */ 2652 zdb_leak_fini(spa); 2653 2654 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2655 2656 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2657 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2658 2659 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2660 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2661 2662 if (total_found == total_alloc) { 2663 if (!dump_opt['L']) 2664 (void) printf("\n\tNo leaks (block sum matches space" 2665 " maps exactly)\n"); 2666 } else { 2667 (void) printf("block traversal size %llu != alloc %llu " 2668 "(%s %lld)\n", 2669 (u_longlong_t)total_found, 2670 (u_longlong_t)total_alloc, 2671 (dump_opt['L']) ? "unreachable" : "leaked", 2672 (longlong_t)(total_alloc - total_found)); 2673 leaks = B_TRUE; 2674 } 2675 2676 if (tzb->zb_count == 0) 2677 return (2); 2678 2679 (void) printf("\n"); 2680 (void) printf("\tbp count: %10llu\n", 2681 (u_longlong_t)tzb->zb_count); 2682 (void) printf("\tganged count: %10llu\n", 2683 (longlong_t)tzb->zb_gangs); 2684 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2685 (u_longlong_t)tzb->zb_lsize, 2686 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2687 (void) printf("\tbp physical: %10llu avg:" 2688 " %6llu compression: %6.2f\n", 2689 (u_longlong_t)tzb->zb_psize, 2690 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2691 (double)tzb->zb_lsize / tzb->zb_psize); 2692 (void) printf("\tbp allocated: %10llu avg:" 2693 " %6llu compression: %6.2f\n", 2694 (u_longlong_t)tzb->zb_asize, 2695 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2696 (double)tzb->zb_lsize / tzb->zb_asize); 2697 (void) printf("\tbp deduped: %10llu ref>1:" 2698 " %6llu deduplication: %6.2f\n", 2699 (u_longlong_t)zcb.zcb_dedup_asize, 2700 (u_longlong_t)zcb.zcb_dedup_blocks, 2701 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2702 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2703 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2704 2705 for (bp_embedded_type_t i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) { 2706 if (zcb.zcb_embedded_blocks[i] == 0) 2707 continue; 2708 (void) printf("\n"); 2709 (void) printf("\tadditional, non-pointer bps of type %u: " 2710 "%10llu\n", 2711 i, (u_longlong_t)zcb.zcb_embedded_blocks[i]); 2712 2713 if (dump_opt['b'] >= 3) { 2714 (void) printf("\t number of (compressed) bytes: " 2715 "number of bps\n"); 2716 dump_histogram(zcb.zcb_embedded_histogram[i], 2717 sizeof (zcb.zcb_embedded_histogram[i]) / 2718 sizeof (zcb.zcb_embedded_histogram[i][0]), 0); 2719 } 2720 } 2721 2722 if (tzb->zb_ditto_samevdev != 0) { 2723 (void) printf("\tDittoed blocks on same vdev: %llu\n", 2724 (longlong_t)tzb->zb_ditto_samevdev); 2725 } 2726 2727 if (dump_opt['b'] >= 2) { 2728 int l, t, level; 2729 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2730 "\t avg\t comp\t%%Total\tType\n"); 2731 2732 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2733 char csize[32], lsize[32], psize[32], asize[32]; 2734 char avg[32], gang[32]; 2735 char *typename; 2736 2737 if (t < DMU_OT_NUMTYPES) 2738 typename = dmu_ot[t].ot_name; 2739 else 2740 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2741 2742 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2743 (void) printf("%6s\t%5s\t%5s\t%5s" 2744 "\t%5s\t%5s\t%6s\t%s\n", 2745 "-", 2746 "-", 2747 "-", 2748 "-", 2749 "-", 2750 "-", 2751 "-", 2752 typename); 2753 continue; 2754 } 2755 2756 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2757 level = (l == -1 ? ZB_TOTAL : l); 2758 zb = &zcb.zcb_type[level][t]; 2759 2760 if (zb->zb_asize == 0) 2761 continue; 2762 2763 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2764 continue; 2765 2766 if (level == 0 && zb->zb_asize == 2767 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2768 continue; 2769 2770 zdb_nicenum(zb->zb_count, csize); 2771 zdb_nicenum(zb->zb_lsize, lsize); 2772 zdb_nicenum(zb->zb_psize, psize); 2773 zdb_nicenum(zb->zb_asize, asize); 2774 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2775 zdb_nicenum(zb->zb_gangs, gang); 2776 2777 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2778 "\t%5.2f\t%6.2f\t", 2779 csize, lsize, psize, asize, avg, 2780 (double)zb->zb_lsize / zb->zb_psize, 2781 100.0 * zb->zb_asize / tzb->zb_asize); 2782 2783 if (level == ZB_TOTAL) 2784 (void) printf("%s\n", typename); 2785 else 2786 (void) printf(" L%d %s\n", 2787 level, typename); 2788 2789 if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) { 2790 (void) printf("\t number of ganged " 2791 "blocks: %s\n", gang); 2792 } 2793 2794 if (dump_opt['b'] >= 4) { 2795 (void) printf("psize " 2796 "(in 512-byte sectors): " 2797 "number of blocks\n"); 2798 dump_histogram(zb->zb_psize_histogram, 2799 PSIZE_HISTO_SIZE, 0); 2800 } 2801 } 2802 } 2803 } 2804 2805 (void) printf("\n"); 2806 2807 if (leaks) 2808 return (2); 2809 2810 if (zcb.zcb_haderrors) 2811 return (3); 2812 2813 return (0); 2814} 2815 2816typedef struct zdb_ddt_entry { 2817 ddt_key_t zdde_key; 2818 uint64_t zdde_ref_blocks; 2819 uint64_t zdde_ref_lsize; 2820 uint64_t zdde_ref_psize; 2821 uint64_t zdde_ref_dsize; 2822 avl_node_t zdde_node; 2823} zdb_ddt_entry_t; 2824 2825/* ARGSUSED */ 2826static int 2827zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2828 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2829{ 2830 avl_tree_t *t = arg; 2831 avl_index_t where; 2832 zdb_ddt_entry_t *zdde, zdde_search; 2833 2834 if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) 2835 return (0); 2836 2837 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2838 (void) printf("traversing objset %llu, %llu objects, " 2839 "%lu blocks so far\n", 2840 (u_longlong_t)zb->zb_objset, 2841 (u_longlong_t)BP_GET_FILL(bp), 2842 avl_numnodes(t)); 2843 } 2844 2845 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2846 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 2847 return (0); 2848 2849 ddt_key_fill(&zdde_search.zdde_key, bp); 2850 2851 zdde = avl_find(t, &zdde_search, &where); 2852 2853 if (zdde == NULL) { 2854 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2855 zdde->zdde_key = zdde_search.zdde_key; 2856 avl_insert(t, zdde, where); 2857 } 2858 2859 zdde->zdde_ref_blocks += 1; 2860 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2861 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2862 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2863 2864 return (0); 2865} 2866 2867static void 2868dump_simulated_ddt(spa_t *spa) 2869{ 2870 avl_tree_t t; 2871 void *cookie = NULL; 2872 zdb_ddt_entry_t *zdde; 2873 ddt_histogram_t ddh_total = { 0 }; 2874 ddt_stat_t dds_total = { 0 }; 2875 2876 avl_create(&t, ddt_entry_compare, 2877 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2878 2879 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2880 2881 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2882 zdb_ddt_add_cb, &t); 2883 2884 spa_config_exit(spa, SCL_CONFIG, FTAG); 2885 2886 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2887 ddt_stat_t dds; 2888 uint64_t refcnt = zdde->zdde_ref_blocks; 2889 ASSERT(refcnt != 0); 2890 2891 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2892 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2893 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2894 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2895 2896 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2897 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2898 dds.dds_ref_psize = zdde->zdde_ref_psize; 2899 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2900 2901 ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1], 2902 &dds, 0); 2903 2904 umem_free(zdde, sizeof (*zdde)); 2905 } 2906 2907 avl_destroy(&t); 2908 2909 ddt_histogram_stat(&dds_total, &ddh_total); 2910 2911 (void) printf("Simulated DDT histogram:\n"); 2912 2913 zpool_dump_ddt(&dds_total, &ddh_total); 2914 2915 dump_dedup_ratio(&dds_total); 2916} 2917 2918static void 2919dump_zpool(spa_t *spa) 2920{ 2921 dsl_pool_t *dp = spa_get_dsl(spa); 2922 int rc = 0; 2923 2924 if (dump_opt['S']) { 2925 dump_simulated_ddt(spa); 2926 return; 2927 } 2928 2929 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2930 (void) printf("\nCached configuration:\n"); 2931 dump_nvlist(spa->spa_config, 8); 2932 } 2933 2934 if (dump_opt['C']) 2935 dump_config(spa); 2936 2937 if (dump_opt['u']) 2938 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2939 2940 if (dump_opt['D']) 2941 dump_all_ddts(spa); 2942 2943 if (dump_opt['d'] > 2 || dump_opt['m']) 2944 dump_metaslabs(spa); 2945 if (dump_opt['M']) 2946 dump_metaslab_groups(spa); 2947 2948 if (dump_opt['d'] || dump_opt['i']) { 2949 dump_dir(dp->dp_meta_objset); 2950 if (dump_opt['d'] >= 3) { 2951 dump_bpobj(&spa->spa_deferred_bpobj, 2952 "Deferred frees", 0); 2953 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2954 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2955 "Pool snapshot frees", 0); 2956 } 2957 2958 if (spa_feature_is_active(spa, 2959 SPA_FEATURE_ASYNC_DESTROY)) { 2960 dump_bptree(spa->spa_meta_objset, 2961 spa->spa_dsl_pool->dp_bptree_obj, 2962 "Pool dataset frees"); 2963 } 2964 dump_dtl(spa->spa_root_vdev, 0); 2965 } 2966 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2967 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2968 } 2969 if (dump_opt['b'] || dump_opt['c']) 2970 rc = dump_block_stats(spa); 2971 2972 if (rc == 0) 2973 rc = verify_spacemap_refcounts(spa); 2974 2975 if (dump_opt['s']) 2976 show_pool_stats(spa); 2977 2978 if (dump_opt['h']) 2979 dump_history(spa); 2980 2981 if (rc != 0) 2982 exit(rc); 2983} 2984 2985#define ZDB_FLAG_CHECKSUM 0x0001 2986#define ZDB_FLAG_DECOMPRESS 0x0002 2987#define ZDB_FLAG_BSWAP 0x0004 2988#define ZDB_FLAG_GBH 0x0008 2989#define ZDB_FLAG_INDIRECT 0x0010 2990#define ZDB_FLAG_PHYS 0x0020 2991#define ZDB_FLAG_RAW 0x0040 2992#define ZDB_FLAG_PRINT_BLKPTR 0x0080 2993 2994int flagbits[256]; 2995 2996static void 2997zdb_print_blkptr(blkptr_t *bp, int flags) 2998{ 2999 char blkbuf[BP_SPRINTF_LEN]; 3000 3001 if (flags & ZDB_FLAG_BSWAP) 3002 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 3003 3004 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 3005 (void) printf("%s\n", blkbuf); 3006} 3007 3008static void 3009zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 3010{ 3011 int i; 3012 3013 for (i = 0; i < nbps; i++) 3014 zdb_print_blkptr(&bp[i], flags); 3015} 3016 3017static void 3018zdb_dump_gbh(void *buf, int flags) 3019{ 3020 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 3021} 3022 3023static void 3024zdb_dump_block_raw(void *buf, uint64_t size, int flags) 3025{ 3026 if (flags & ZDB_FLAG_BSWAP) 3027 byteswap_uint64_array(buf, size); 3028 (void) write(1, buf, size); 3029} 3030 3031static void 3032zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 3033{ 3034 uint64_t *d = (uint64_t *)buf; 3035 int nwords = size / sizeof (uint64_t); 3036 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 3037 int i, j; 3038 char *hdr, *c; 3039 3040 3041 if (do_bswap) 3042 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 3043 else 3044 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 3045 3046 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 3047 3048 for (i = 0; i < nwords; i += 2) { 3049 (void) printf("%06llx: %016llx %016llx ", 3050 (u_longlong_t)(i * sizeof (uint64_t)), 3051 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 3052 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 3053 3054 c = (char *)&d[i]; 3055 for (j = 0; j < 2 * sizeof (uint64_t); j++) 3056 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 3057 (void) printf("\n"); 3058 } 3059} 3060 3061/* 3062 * There are two acceptable formats: 3063 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 3064 * child[.child]* - For example: 0.1.1 3065 * 3066 * The second form can be used to specify arbitrary vdevs anywhere 3067 * in the heirarchy. For example, in a pool with a mirror of 3068 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 3069 */ 3070static vdev_t * 3071zdb_vdev_lookup(vdev_t *vdev, char *path) 3072{ 3073 char *s, *p, *q; 3074 int i; 3075 3076 if (vdev == NULL) 3077 return (NULL); 3078 3079 /* First, assume the x.x.x.x format */ 3080 i = (int)strtoul(path, &s, 10); 3081 if (s == path || (s && *s != '.' && *s != '\0')) 3082 goto name; 3083 if (i < 0 || i >= vdev->vdev_children) 3084 return (NULL); 3085 3086 vdev = vdev->vdev_child[i]; 3087 if (*s == '\0') 3088 return (vdev); 3089 return (zdb_vdev_lookup(vdev, s+1)); 3090 3091name: 3092 for (i = 0; i < vdev->vdev_children; i++) { 3093 vdev_t *vc = vdev->vdev_child[i]; 3094 3095 if (vc->vdev_path == NULL) { 3096 vc = zdb_vdev_lookup(vc, path); 3097 if (vc == NULL) 3098 continue; 3099 else 3100 return (vc); 3101 } 3102 3103 p = strrchr(vc->vdev_path, '/'); 3104 p = p ? p + 1 : vc->vdev_path; 3105 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 3106 3107 if (strcmp(vc->vdev_path, path) == 0) 3108 return (vc); 3109 if (strcmp(p, path) == 0) 3110 return (vc); 3111 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 3112 return (vc); 3113 } 3114 3115 return (NULL); 3116} 3117 3118/* 3119 * Read a block from a pool and print it out. The syntax of the 3120 * block descriptor is: 3121 * 3122 * pool:vdev_specifier:offset:size[:flags] 3123 * 3124 * pool - The name of the pool you wish to read from 3125 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 3126 * offset - offset, in hex, in bytes 3127 * size - Amount of data to read, in hex, in bytes 3128 * flags - A string of characters specifying options 3129 * b: Decode a blkptr at given offset within block 3130 * *c: Calculate and display checksums 3131 * d: Decompress data before dumping 3132 * e: Byteswap data before dumping 3133 * g: Display data as a gang block header 3134 * i: Display as an indirect block 3135 * p: Do I/O to physical offset 3136 * r: Dump raw data to stdout 3137 * 3138 * * = not yet implemented 3139 */ 3140static void 3141zdb_read_block(char *thing, spa_t *spa) 3142{ 3143 blkptr_t blk, *bp = &blk; 3144 dva_t *dva = bp->blk_dva; 3145 int flags = 0; 3146 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 3147 zio_t *zio; 3148 vdev_t *vd; 3149 void *pbuf, *lbuf, *buf; 3150 char *s, *p, *dup, *vdev, *flagstr; 3151 int i, error; 3152 3153 dup = strdup(thing); 3154 s = strtok(dup, ":"); 3155 vdev = s ? s : ""; 3156 s = strtok(NULL, ":"); 3157 offset = strtoull(s ? s : "", NULL, 16); 3158 s = strtok(NULL, ":"); 3159 size = strtoull(s ? s : "", NULL, 16); 3160 s = strtok(NULL, ":"); 3161 flagstr = s ? s : ""; 3162 3163 s = NULL; 3164 if (size == 0) 3165 s = "size must not be zero"; 3166 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 3167 s = "size must be a multiple of sector size"; 3168 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 3169 s = "offset must be a multiple of sector size"; 3170 if (s) { 3171 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 3172 free(dup); 3173 return; 3174 } 3175 3176 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 3177 for (i = 0; flagstr[i]; i++) { 3178 int bit = flagbits[(uchar_t)flagstr[i]]; 3179 3180 if (bit == 0) { 3181 (void) printf("***Invalid flag: %c\n", 3182 flagstr[i]); 3183 continue; 3184 } 3185 flags |= bit; 3186 3187 /* If it's not something with an argument, keep going */ 3188 if ((bit & (ZDB_FLAG_CHECKSUM | 3189 ZDB_FLAG_PRINT_BLKPTR)) == 0) 3190 continue; 3191 3192 p = &flagstr[i + 1]; 3193 if (bit == ZDB_FLAG_PRINT_BLKPTR) 3194 blkptr_offset = strtoull(p, &p, 16); 3195 if (*p != ':' && *p != '\0') { 3196 (void) printf("***Invalid flag arg: '%s'\n", s); 3197 free(dup); 3198 return; 3199 } 3200 i += p - &flagstr[i + 1]; /* skip over the number */ 3201 } 3202 } 3203 3204 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 3205 if (vd == NULL) { 3206 (void) printf("***Invalid vdev: %s\n", vdev); 3207 free(dup); 3208 return; 3209 } else { 3210 if (vd->vdev_path) 3211 (void) fprintf(stderr, "Found vdev: %s\n", 3212 vd->vdev_path); 3213 else 3214 (void) fprintf(stderr, "Found vdev type: %s\n", 3215 vd->vdev_ops->vdev_op_type); 3216 } 3217 3218 psize = size; 3219 lsize = size; 3220 3221 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3222 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3223 3224 BP_ZERO(bp); 3225 3226 DVA_SET_VDEV(&dva[0], vd->vdev_id); 3227 DVA_SET_OFFSET(&dva[0], offset); 3228 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 3229 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 3230 3231 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 3232 3233 BP_SET_LSIZE(bp, lsize); 3234 BP_SET_PSIZE(bp, psize); 3235 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 3236 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 3237 BP_SET_TYPE(bp, DMU_OT_NONE); 3238 BP_SET_LEVEL(bp, 0); 3239 BP_SET_DEDUP(bp, 0); 3240 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 3241 3242 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 3243 zio = zio_root(spa, NULL, NULL, 0); 3244 3245 if (vd == vd->vdev_top) { 3246 /* 3247 * Treat this as a normal block read. 3248 */ 3249 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 3250 ZIO_PRIORITY_SYNC_READ, 3251 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 3252 } else { 3253 /* 3254 * Treat this as a vdev child I/O. 3255 */ 3256 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 3257 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 3258 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 3259 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 3260 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 3261 } 3262 3263 error = zio_wait(zio); 3264 spa_config_exit(spa, SCL_STATE, FTAG); 3265 3266 if (error) { 3267 (void) printf("Read of %s failed, error: %d\n", thing, error); 3268 goto out; 3269 } 3270 3271 if (flags & ZDB_FLAG_DECOMPRESS) { 3272 /* 3273 * We don't know how the data was compressed, so just try 3274 * every decompress function at every inflated blocksize. 3275 */ 3276 enum zio_compress c; 3277 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3278 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3279 3280 bcopy(pbuf, pbuf2, psize); 3281 3282 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 3283 SPA_MAXBLOCKSIZE - psize) == 0); 3284 3285 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 3286 SPA_MAXBLOCKSIZE - psize) == 0); 3287 3288 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 3289 lsize -= SPA_MINBLOCKSIZE) { 3290 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 3291 if (zio_decompress_data(c, pbuf, lbuf, 3292 psize, lsize) == 0 && 3293 zio_decompress_data(c, pbuf2, lbuf2, 3294 psize, lsize) == 0 && 3295 bcmp(lbuf, lbuf2, lsize) == 0) 3296 break; 3297 } 3298 if (c != ZIO_COMPRESS_FUNCTIONS) 3299 break; 3300 lsize -= SPA_MINBLOCKSIZE; 3301 } 3302 3303 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 3304 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 3305 3306 if (lsize <= psize) { 3307 (void) printf("Decompress of %s failed\n", thing); 3308 goto out; 3309 } 3310 buf = lbuf; 3311 size = lsize; 3312 } else { 3313 buf = pbuf; 3314 size = psize; 3315 } 3316 3317 if (flags & ZDB_FLAG_PRINT_BLKPTR) 3318 zdb_print_blkptr((blkptr_t *)(void *) 3319 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 3320 else if (flags & ZDB_FLAG_RAW) 3321 zdb_dump_block_raw(buf, size, flags); 3322 else if (flags & ZDB_FLAG_INDIRECT) 3323 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 3324 flags); 3325 else if (flags & ZDB_FLAG_GBH) 3326 zdb_dump_gbh(buf, flags); 3327 else 3328 zdb_dump_block(thing, buf, size, flags); 3329 3330out: 3331 umem_free(pbuf, SPA_MAXBLOCKSIZE); 3332 umem_free(lbuf, SPA_MAXBLOCKSIZE); 3333 free(dup); 3334} 3335 3336static boolean_t 3337pool_match(nvlist_t *cfg, char *tgt) 3338{ 3339 uint64_t v, guid = strtoull(tgt, NULL, 0); 3340 char *s; 3341 3342 if (guid != 0) { 3343 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 3344 return (v == guid); 3345 } else { 3346 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 3347 return (strcmp(s, tgt) == 0); 3348 } 3349 return (B_FALSE); 3350} 3351 3352static char * 3353find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 3354{ 3355 nvlist_t *pools; 3356 nvlist_t *match = NULL; 3357 char *name = NULL; 3358 char *sepp = NULL; 3359 char sep; 3360 int count = 0; 3361 importargs_t args = { 0 }; 3362 3363 args.paths = dirc; 3364 args.path = dirv; 3365 args.can_be_active = B_TRUE; 3366 3367 if ((sepp = strpbrk(*target, "/@")) != NULL) { 3368 sep = *sepp; 3369 *sepp = '\0'; 3370 } 3371 3372 pools = zpool_search_import(g_zfs, &args); 3373 3374 if (pools != NULL) { 3375 nvpair_t *elem = NULL; 3376 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3377 verify(nvpair_value_nvlist(elem, configp) == 0); 3378 if (pool_match(*configp, *target)) { 3379 count++; 3380 if (match != NULL) { 3381 /* print previously found config */ 3382 if (name != NULL) { 3383 (void) printf("%s\n", name); 3384 dump_nvlist(match, 8); 3385 name = NULL; 3386 } 3387 (void) printf("%s\n", 3388 nvpair_name(elem)); 3389 dump_nvlist(*configp, 8); 3390 } else { 3391 match = *configp; 3392 name = nvpair_name(elem); 3393 } 3394 } 3395 } 3396 } 3397 if (count > 1) 3398 (void) fatal("\tMatched %d pools - use pool GUID " 3399 "instead of pool name or \n" 3400 "\tpool name part of a dataset name to select pool", count); 3401 3402 if (sepp) 3403 *sepp = sep; 3404 /* 3405 * If pool GUID was specified for pool id, replace it with pool name 3406 */ 3407 if (name && (strstr(*target, name) != *target)) { 3408 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3409 3410 *target = umem_alloc(sz, UMEM_NOFAIL); 3411 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3412 } 3413 3414 *configp = name ? match : NULL; 3415 3416 return (name); 3417} 3418 3419int 3420main(int argc, char **argv) 3421{ 3422 int i, c; 3423 struct rlimit rl = { 1024, 1024 }; 3424 spa_t *spa = NULL; 3425 objset_t *os = NULL; 3426 int dump_all = 1; 3427 int verbose = 0; 3428 int error = 0; 3429 char **searchdirs = NULL; 3430 int nsearch = 0; 3431 char *target; 3432 nvlist_t *policy = NULL; 3433 uint64_t max_txg = UINT64_MAX; 3434 int rewind = ZPOOL_NEVER_REWIND; 3435 3436 (void) setrlimit(RLIMIT_NOFILE, &rl); 3437 (void) enable_extended_FILE_stdio(-1, -1); 3438 3439 dprintf_setup(&argc, argv); 3440 3441 while ((c = getopt(argc, argv, 3442 "bcdhilmMI:suCDRSAFLXx:evp:t:U:P")) != -1) { 3443 switch (c) { 3444 case 'b': 3445 case 'c': 3446 case 'd': 3447 case 'h': 3448 case 'i': 3449 case 'l': 3450 case 'm': 3451 case 's': 3452 case 'u': 3453 case 'C': 3454 case 'D': 3455 case 'M': 3456 case 'R': 3457 case 'S': 3458 dump_opt[c]++; 3459 dump_all = 0; 3460 break; 3461 case 'A': 3462 case 'F': 3463 case 'L': 3464 case 'X': 3465 case 'e': 3466 case 'P': 3467 dump_opt[c]++; 3468 break; 3469 case 'I': 3470 max_inflight = strtoull(optarg, NULL, 0); 3471 if (max_inflight == 0) { 3472 (void) fprintf(stderr, "maximum number " 3473 "of inflight I/Os must be greater " 3474 "than 0\n"); 3475 usage(); 3476 } 3477 break; 3478 case 'p': 3479 if (searchdirs == NULL) { 3480 searchdirs = umem_alloc(sizeof (char *), 3481 UMEM_NOFAIL); 3482 } else { 3483 char **tmp = umem_alloc((nsearch + 1) * 3484 sizeof (char *), UMEM_NOFAIL); 3485 bcopy(searchdirs, tmp, nsearch * 3486 sizeof (char *)); 3487 umem_free(searchdirs, 3488 nsearch * sizeof (char *)); 3489 searchdirs = tmp; 3490 } 3491 searchdirs[nsearch++] = optarg; 3492 break; 3493 case 't': 3494 max_txg = strtoull(optarg, NULL, 0); 3495 if (max_txg < TXG_INITIAL) { 3496 (void) fprintf(stderr, "incorrect txg " 3497 "specified: %s\n", optarg); 3498 usage(); 3499 } 3500 break; 3501 case 'U': 3502 spa_config_path = optarg; 3503 break; 3504 case 'v': 3505 verbose++; 3506 break; 3507 case 'x': 3508 vn_dumpdir = optarg; 3509 break; 3510 default: 3511 usage(); 3512 break; 3513 } 3514 } 3515 3516 if (!dump_opt['e'] && searchdirs != NULL) { 3517 (void) fprintf(stderr, "-p option requires use of -e\n"); 3518 usage(); 3519 } 3520 3521 /* 3522 * ZDB does not typically re-read blocks; therefore limit the ARC 3523 * to 256 MB, which can be used entirely for metadata. 3524 */ 3525 zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024; 3526 3527 /* 3528 * "zdb -c" uses checksum-verifying scrub i/os which are async reads. 3529 * "zdb -b" uses traversal prefetch which uses async reads. 3530 * For good performance, let several of them be active at once. 3531 */ 3532 zfs_vdev_async_read_max_active = 10; 3533 3534 kernel_init(FREAD); 3535 g_zfs = libzfs_init(); 3536 ASSERT(g_zfs != NULL); 3537 3538 if (dump_all) 3539 verbose = MAX(verbose, 1); 3540 3541 for (c = 0; c < 256; c++) { 3542 if (dump_all && !strchr("elAFLRSXP", c)) 3543 dump_opt[c] = 1; 3544 if (dump_opt[c]) 3545 dump_opt[c] += verbose; 3546 } 3547 3548 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3549 zfs_recover = (dump_opt['A'] > 1); 3550 3551 argc -= optind; 3552 argv += optind; 3553 3554 if (argc < 2 && dump_opt['R']) 3555 usage(); 3556 if (argc < 1) { 3557 if (!dump_opt['e'] && dump_opt['C']) { 3558 dump_cachefile(spa_config_path); 3559 return (0); 3560 } 3561 usage(); 3562 } 3563 3564 if (dump_opt['l']) { 3565 dump_label(argv[0]); 3566 return (0); 3567 } 3568 3569 if (dump_opt['X'] || dump_opt['F']) 3570 rewind = ZPOOL_DO_REWIND | 3571 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3572 3573 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3574 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3575 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3576 fatal("internal error: %s", strerror(ENOMEM)); 3577 3578 error = 0; 3579 target = argv[0]; 3580 3581 if (dump_opt['e']) { 3582 nvlist_t *cfg = NULL; 3583 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3584 3585 error = ENOENT; 3586 if (name) { 3587 if (dump_opt['C'] > 1) { 3588 (void) printf("\nConfiguration for import:\n"); 3589 dump_nvlist(cfg, 8); 3590 } 3591 if (nvlist_add_nvlist(cfg, 3592 ZPOOL_REWIND_POLICY, policy) != 0) { 3593 fatal("can't open '%s': %s", 3594 target, strerror(ENOMEM)); 3595 } 3596 if ((error = spa_import(name, cfg, NULL, 3597 ZFS_IMPORT_MISSING_LOG)) != 0) { 3598 error = spa_import(name, cfg, NULL, 3599 ZFS_IMPORT_VERBATIM); 3600 } 3601 } 3602 } 3603 3604 if (error == 0) { 3605 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3606 error = spa_open_rewind(target, &spa, FTAG, policy, 3607 NULL); 3608 if (error) { 3609 /* 3610 * If we're missing the log device then 3611 * try opening the pool after clearing the 3612 * log state. 3613 */ 3614 mutex_enter(&spa_namespace_lock); 3615 if ((spa = spa_lookup(target)) != NULL && 3616 spa->spa_log_state == SPA_LOG_MISSING) { 3617 spa->spa_log_state = SPA_LOG_CLEAR; 3618 error = 0; 3619 } 3620 mutex_exit(&spa_namespace_lock); 3621 3622 if (!error) { 3623 error = spa_open_rewind(target, &spa, 3624 FTAG, policy, NULL); 3625 } 3626 } 3627 } else { 3628 error = dmu_objset_own(target, DMU_OST_ANY, 3629 B_TRUE, FTAG, &os); 3630 } 3631 } 3632 nvlist_free(policy); 3633 3634 if (error) 3635 fatal("can't open '%s': %s", target, strerror(error)); 3636 3637 argv++; 3638 argc--; 3639 if (!dump_opt['R']) { 3640 if (argc > 0) { 3641 zopt_objects = argc; 3642 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3643 for (i = 0; i < zopt_objects; i++) { 3644 errno = 0; 3645 zopt_object[i] = strtoull(argv[i], NULL, 0); 3646 if (zopt_object[i] == 0 && errno != 0) 3647 fatal("bad number %s: %s", 3648 argv[i], strerror(errno)); 3649 } 3650 } 3651 if (os != NULL) { 3652 dump_dir(os); 3653 } else if (zopt_objects > 0 && !dump_opt['m']) { 3654 dump_dir(spa->spa_meta_objset); 3655 } else { 3656 dump_zpool(spa); 3657 } 3658 } else { 3659 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3660 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3661 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3662 flagbits['e'] = ZDB_FLAG_BSWAP; 3663 flagbits['g'] = ZDB_FLAG_GBH; 3664 flagbits['i'] = ZDB_FLAG_INDIRECT; 3665 flagbits['p'] = ZDB_FLAG_PHYS; 3666 flagbits['r'] = ZDB_FLAG_RAW; 3667 3668 for (i = 0; i < argc; i++) 3669 zdb_read_block(argv[i], spa); 3670 } 3671 3672 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3673 3674 fuid_table_destroy(); 3675 sa_loaded = B_FALSE; 3676 3677 libzfs_fini(g_zfs); 3678 kernel_fini(); 3679 3680 return (0); 3681} 3682