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) 2012 by Delphix. All rights reserved. 25 */ 26 27 #include <stdio.h> 28 #include <stdio_ext.h> 29 #include <stdlib.h> 30 #include <ctype.h> 31 #include <sys/zfs_context.h> 32 #include <sys/spa.h> 33 #include <sys/spa_impl.h> 34 #include <sys/dmu.h> 35 #include <sys/zap.h> 36 #include <sys/fs/zfs.h> 37 #include <sys/zfs_znode.h> 38 #include <sys/zfs_sa.h> 39 #include <sys/sa.h> 40 #include <sys/sa_impl.h> 41 #include <sys/vdev.h> 42 #include <sys/vdev_impl.h> 43 #include <sys/metaslab_impl.h> 44 #include <sys/dmu_objset.h> 45 #include <sys/dsl_dir.h> 46 #include <sys/dsl_dataset.h> 47 #include <sys/dsl_pool.h> 48 #include <sys/dbuf.h> 49 #include <sys/zil.h> 50 #include <sys/zil_impl.h> 51 #include <sys/stat.h> 52 #include <sys/resource.h> 53 #include <sys/dmu_traverse.h> 54 #include <sys/zio_checksum.h> 55 #include <sys/zio_compress.h> 56 #include <sys/zfs_fuid.h> 57 #include <sys/arc.h> 58 #include <sys/ddt.h> 59 #include <sys/zfeature.h> 60 #include <zfs_comutil.h> 61 #undef ZFS_MAXNAMELEN 62 #undef verify 63 #include <libzfs.h> 64 65 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 66 zio_compress_table[(idx)].ci_name : "UNKNOWN") 67 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 68 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 69 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 70 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 71 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 72 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 73 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \ 74 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES)) 75 76 #ifndef lint 77 extern int zfs_recover; 78 #else 79 int zfs_recover; 80 #endif 81 82 const char cmdname[] = "zdb"; 83 uint8_t dump_opt[256]; 84 85 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 86 87 extern void dump_intent_log(zilog_t *); 88 uint64_t *zopt_object = NULL; 89 int zopt_objects = 0; 90 libzfs_handle_t *g_zfs; 91 uint64_t max_inflight = 200; 92 93 /* 94 * These libumem hooks provide a reasonable set of defaults for the allocator's 95 * debugging facilities. 96 */ 97 const char * 98 _umem_debug_init() 99 { 100 return ("default,verbose"); /* $UMEM_DEBUG setting */ 101 } 102 103 const char * 104 _umem_logging_init(void) 105 { 106 return ("fail,contents"); /* $UMEM_LOGGING setting */ 107 } 108 109 static void 110 usage(void) 111 { 112 (void) fprintf(stderr, 113 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " 114 "[-U config] [-M inflight I/Os] poolname [object...]\n" 115 " %s [-divPA] [-e -p path...] [-U config] dataset " 116 "[object...]\n" 117 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] [-U config] " 118 "poolname [vdev [metaslab...]]\n" 119 " %s -R [-A] [-e [-p path...]] poolname " 120 "vdev:offset:size[:flags]\n" 121 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n" 122 " %s -l [-uA] device\n" 123 " %s -C [-A] [-U config]\n\n", 124 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 125 126 (void) fprintf(stderr, " Dataset name must include at least one " 127 "separator character '/' or '@'\n"); 128 (void) fprintf(stderr, " If dataset name is specified, only that " 129 "dataset is dumped\n"); 130 (void) fprintf(stderr, " If object numbers are specified, only " 131 "those objects are dumped\n\n"); 132 (void) fprintf(stderr, " Options to control amount of output:\n"); 133 (void) fprintf(stderr, " -u uberblock\n"); 134 (void) fprintf(stderr, " -d dataset(s)\n"); 135 (void) fprintf(stderr, " -i intent logs\n"); 136 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 137 (void) fprintf(stderr, " -h pool history\n"); 138 (void) fprintf(stderr, " -b block statistics\n"); 139 (void) fprintf(stderr, " -m metaslabs\n"); 140 (void) fprintf(stderr, " -c checksum all metadata (twice for " 141 "all data) blocks\n"); 142 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 143 (void) fprintf(stderr, " -D dedup statistics\n"); 144 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 145 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 146 (void) fprintf(stderr, " -l dump label contents\n"); 147 (void) fprintf(stderr, " -L disable leak tracking (do not " 148 "load spacemaps)\n"); 149 (void) fprintf(stderr, " -R read and display block from a " 150 "device\n\n"); 151 (void) fprintf(stderr, " Below options are intended for use " 152 "with other options (except -l):\n"); 153 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 154 "panic recovery (-AA) or both (-AAA)\n"); 155 (void) fprintf(stderr, " -F attempt automatic rewind within " 156 "safe range of transaction groups\n"); 157 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 158 "cachefile\n"); 159 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 160 "work with dataset)\n"); 161 (void) fprintf(stderr, " -e pool is exported/destroyed/" 162 "has altroot/not in a cachefile\n"); 163 (void) fprintf(stderr, " -p <path> -- use one or more with " 164 "-e to specify path to vdev dir\n"); 165 (void) fprintf(stderr, " -P print numbers in parseable form\n"); 166 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 167 "searching for uberblocks\n"); 168 (void) fprintf(stderr, " -M <number of inflight I/Os> -- " 169 "specify the maximum number of checksumming I/Os [default is 200]"); 170 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 171 "to make only that option verbose\n"); 172 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 173 exit(1); 174 } 175 176 /* 177 * Called for usage errors that are discovered after a call to spa_open(), 178 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 179 */ 180 181 static void 182 fatal(const char *fmt, ...) 183 { 184 va_list ap; 185 186 va_start(ap, fmt); 187 (void) fprintf(stderr, "%s: ", cmdname); 188 (void) vfprintf(stderr, fmt, ap); 189 va_end(ap); 190 (void) fprintf(stderr, "\n"); 191 192 exit(1); 193 } 194 195 /* ARGSUSED */ 196 static void 197 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 198 { 199 nvlist_t *nv; 200 size_t nvsize = *(uint64_t *)data; 201 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 202 203 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 204 205 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 206 207 umem_free(packed, nvsize); 208 209 dump_nvlist(nv, 8); 210 211 nvlist_free(nv); 212 } 213 214 /* ARGSUSED */ 215 static void 216 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 217 { 218 spa_history_phys_t *shp = data; 219 220 if (shp == NULL) 221 return; 222 223 (void) printf("\t\tpool_create_len = %llu\n", 224 (u_longlong_t)shp->sh_pool_create_len); 225 (void) printf("\t\tphys_max_off = %llu\n", 226 (u_longlong_t)shp->sh_phys_max_off); 227 (void) printf("\t\tbof = %llu\n", 228 (u_longlong_t)shp->sh_bof); 229 (void) printf("\t\teof = %llu\n", 230 (u_longlong_t)shp->sh_eof); 231 (void) printf("\t\trecords_lost = %llu\n", 232 (u_longlong_t)shp->sh_records_lost); 233 } 234 235 static void 236 zdb_nicenum(uint64_t num, char *buf) 237 { 238 if (dump_opt['P']) 239 (void) sprintf(buf, "%llu", (longlong_t)num); 240 else 241 nicenum(num, buf); 242 } 243 244 const char dump_zap_stars[] = "****************************************"; 245 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 246 247 static void 248 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 249 { 250 int i; 251 int minidx = ZAP_HISTOGRAM_SIZE - 1; 252 int maxidx = 0; 253 uint64_t max = 0; 254 255 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 256 if (histo[i] > max) 257 max = histo[i]; 258 if (histo[i] > 0 && i > maxidx) 259 maxidx = i; 260 if (histo[i] > 0 && i < minidx) 261 minidx = i; 262 } 263 264 if (max < dump_zap_width) 265 max = dump_zap_width; 266 267 for (i = minidx; i <= maxidx; i++) 268 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 269 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 270 } 271 272 static void 273 dump_zap_stats(objset_t *os, uint64_t object) 274 { 275 int error; 276 zap_stats_t zs; 277 278 error = zap_get_stats(os, object, &zs); 279 if (error) 280 return; 281 282 if (zs.zs_ptrtbl_len == 0) { 283 ASSERT(zs.zs_num_blocks == 1); 284 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 285 (u_longlong_t)zs.zs_blocksize, 286 (u_longlong_t)zs.zs_num_entries); 287 return; 288 } 289 290 (void) printf("\tFat ZAP stats:\n"); 291 292 (void) printf("\t\tPointer table:\n"); 293 (void) printf("\t\t\t%llu elements\n", 294 (u_longlong_t)zs.zs_ptrtbl_len); 295 (void) printf("\t\t\tzt_blk: %llu\n", 296 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 297 (void) printf("\t\t\tzt_numblks: %llu\n", 298 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 299 (void) printf("\t\t\tzt_shift: %llu\n", 300 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 301 (void) printf("\t\t\tzt_blks_copied: %llu\n", 302 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 303 (void) printf("\t\t\tzt_nextblk: %llu\n", 304 (u_longlong_t)zs.zs_ptrtbl_nextblk); 305 306 (void) printf("\t\tZAP entries: %llu\n", 307 (u_longlong_t)zs.zs_num_entries); 308 (void) printf("\t\tLeaf blocks: %llu\n", 309 (u_longlong_t)zs.zs_num_leafs); 310 (void) printf("\t\tTotal blocks: %llu\n", 311 (u_longlong_t)zs.zs_num_blocks); 312 (void) printf("\t\tzap_block_type: 0x%llx\n", 313 (u_longlong_t)zs.zs_block_type); 314 (void) printf("\t\tzap_magic: 0x%llx\n", 315 (u_longlong_t)zs.zs_magic); 316 (void) printf("\t\tzap_salt: 0x%llx\n", 317 (u_longlong_t)zs.zs_salt); 318 319 (void) printf("\t\tLeafs with 2^n pointers:\n"); 320 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 321 322 (void) printf("\t\tBlocks with n*5 entries:\n"); 323 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 324 325 (void) printf("\t\tBlocks n/10 full:\n"); 326 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 327 328 (void) printf("\t\tEntries with n chunks:\n"); 329 dump_zap_histogram(zs.zs_entries_using_n_chunks); 330 331 (void) printf("\t\tBuckets with n entries:\n"); 332 dump_zap_histogram(zs.zs_buckets_with_n_entries); 333 } 334 335 /*ARGSUSED*/ 336 static void 337 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 338 { 339 } 340 341 /*ARGSUSED*/ 342 static void 343 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 344 { 345 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 346 } 347 348 /*ARGSUSED*/ 349 void 350 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 351 { 352 } 353 354 /*ARGSUSED*/ 355 static void 356 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 357 { 358 } 359 360 /*ARGSUSED*/ 361 static void 362 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 363 { 364 zap_cursor_t zc; 365 zap_attribute_t attr; 366 void *prop; 367 int i; 368 369 dump_zap_stats(os, object); 370 (void) printf("\n"); 371 372 for (zap_cursor_init(&zc, os, object); 373 zap_cursor_retrieve(&zc, &attr) == 0; 374 zap_cursor_advance(&zc)) { 375 (void) printf("\t\t%s = ", attr.za_name); 376 if (attr.za_num_integers == 0) { 377 (void) printf("\n"); 378 continue; 379 } 380 prop = umem_zalloc(attr.za_num_integers * 381 attr.za_integer_length, UMEM_NOFAIL); 382 (void) zap_lookup(os, object, attr.za_name, 383 attr.za_integer_length, attr.za_num_integers, prop); 384 if (attr.za_integer_length == 1) { 385 (void) printf("%s", (char *)prop); 386 } else { 387 for (i = 0; i < attr.za_num_integers; i++) { 388 switch (attr.za_integer_length) { 389 case 2: 390 (void) printf("%u ", 391 ((uint16_t *)prop)[i]); 392 break; 393 case 4: 394 (void) printf("%u ", 395 ((uint32_t *)prop)[i]); 396 break; 397 case 8: 398 (void) printf("%lld ", 399 (u_longlong_t)((int64_t *)prop)[i]); 400 break; 401 } 402 } 403 } 404 (void) printf("\n"); 405 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 406 } 407 zap_cursor_fini(&zc); 408 } 409 410 /*ARGSUSED*/ 411 static void 412 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 413 { 414 dump_zap_stats(os, object); 415 /* contents are printed elsewhere, properly decoded */ 416 } 417 418 /*ARGSUSED*/ 419 static void 420 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 421 { 422 zap_cursor_t zc; 423 zap_attribute_t attr; 424 425 dump_zap_stats(os, object); 426 (void) printf("\n"); 427 428 for (zap_cursor_init(&zc, os, object); 429 zap_cursor_retrieve(&zc, &attr) == 0; 430 zap_cursor_advance(&zc)) { 431 (void) printf("\t\t%s = ", attr.za_name); 432 if (attr.za_num_integers == 0) { 433 (void) printf("\n"); 434 continue; 435 } 436 (void) printf(" %llx : [%d:%d:%d]\n", 437 (u_longlong_t)attr.za_first_integer, 438 (int)ATTR_LENGTH(attr.za_first_integer), 439 (int)ATTR_BSWAP(attr.za_first_integer), 440 (int)ATTR_NUM(attr.za_first_integer)); 441 } 442 zap_cursor_fini(&zc); 443 } 444 445 /*ARGSUSED*/ 446 static void 447 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 448 { 449 zap_cursor_t zc; 450 zap_attribute_t attr; 451 uint16_t *layout_attrs; 452 int i; 453 454 dump_zap_stats(os, object); 455 (void) printf("\n"); 456 457 for (zap_cursor_init(&zc, os, object); 458 zap_cursor_retrieve(&zc, &attr) == 0; 459 zap_cursor_advance(&zc)) { 460 (void) printf("\t\t%s = [", attr.za_name); 461 if (attr.za_num_integers == 0) { 462 (void) printf("\n"); 463 continue; 464 } 465 466 VERIFY(attr.za_integer_length == 2); 467 layout_attrs = umem_zalloc(attr.za_num_integers * 468 attr.za_integer_length, UMEM_NOFAIL); 469 470 VERIFY(zap_lookup(os, object, attr.za_name, 471 attr.za_integer_length, 472 attr.za_num_integers, layout_attrs) == 0); 473 474 for (i = 0; i != attr.za_num_integers; i++) 475 (void) printf(" %d ", (int)layout_attrs[i]); 476 (void) printf("]\n"); 477 umem_free(layout_attrs, 478 attr.za_num_integers * attr.za_integer_length); 479 } 480 zap_cursor_fini(&zc); 481 } 482 483 /*ARGSUSED*/ 484 static void 485 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 486 { 487 zap_cursor_t zc; 488 zap_attribute_t attr; 489 const char *typenames[] = { 490 /* 0 */ "not specified", 491 /* 1 */ "FIFO", 492 /* 2 */ "Character Device", 493 /* 3 */ "3 (invalid)", 494 /* 4 */ "Directory", 495 /* 5 */ "5 (invalid)", 496 /* 6 */ "Block Device", 497 /* 7 */ "7 (invalid)", 498 /* 8 */ "Regular File", 499 /* 9 */ "9 (invalid)", 500 /* 10 */ "Symbolic Link", 501 /* 11 */ "11 (invalid)", 502 /* 12 */ "Socket", 503 /* 13 */ "Door", 504 /* 14 */ "Event Port", 505 /* 15 */ "15 (invalid)", 506 }; 507 508 dump_zap_stats(os, object); 509 (void) printf("\n"); 510 511 for (zap_cursor_init(&zc, os, object); 512 zap_cursor_retrieve(&zc, &attr) == 0; 513 zap_cursor_advance(&zc)) { 514 (void) printf("\t\t%s = %lld (type: %s)\n", 515 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 516 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 517 } 518 zap_cursor_fini(&zc); 519 } 520 521 static void 522 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 523 { 524 uint64_t alloc, offset, entry; 525 uint8_t mapshift = sm->sm_shift; 526 uint64_t mapstart = sm->sm_start; 527 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 528 "INVALID", "INVALID", "INVALID", "INVALID" }; 529 530 if (smo->smo_object == 0) 531 return; 532 533 /* 534 * Print out the freelist entries in both encoded and decoded form. 535 */ 536 alloc = 0; 537 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 538 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 539 sizeof (entry), &entry, DMU_READ_PREFETCH)); 540 if (SM_DEBUG_DECODE(entry)) { 541 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 542 (u_longlong_t)(offset / sizeof (entry)), 543 ddata[SM_DEBUG_ACTION_DECODE(entry)], 544 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 545 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 546 } else { 547 (void) printf("\t [%6llu] %c range:" 548 " %010llx-%010llx size: %06llx\n", 549 (u_longlong_t)(offset / sizeof (entry)), 550 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 551 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 552 mapshift) + mapstart), 553 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 554 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 555 mapshift)), 556 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 557 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 558 alloc += SM_RUN_DECODE(entry) << mapshift; 559 else 560 alloc -= SM_RUN_DECODE(entry) << mapshift; 561 } 562 } 563 if (alloc != smo->smo_alloc) { 564 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 565 "with space map summary (%llu)\n", 566 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 567 } 568 } 569 570 static void 571 dump_metaslab_stats(metaslab_t *msp) 572 { 573 char maxbuf[32]; 574 space_map_t *sm = msp->ms_map; 575 avl_tree_t *t = sm->sm_pp_root; 576 int free_pct = sm->sm_space * 100 / sm->sm_size; 577 578 zdb_nicenum(space_map_maxsize(sm), maxbuf); 579 580 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 581 "segments", avl_numnodes(t), "maxsize", maxbuf, 582 "freepct", free_pct); 583 } 584 585 static void 586 dump_metaslab(metaslab_t *msp) 587 { 588 vdev_t *vd = msp->ms_group->mg_vd; 589 spa_t *spa = vd->vdev_spa; 590 space_map_t *sm = msp->ms_map; 591 space_map_obj_t *smo = &msp->ms_smo; 592 char freebuf[32]; 593 594 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 595 596 (void) printf( 597 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 598 (u_longlong_t)(sm->sm_start / sm->sm_size), 599 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 600 601 if (dump_opt['m'] > 1 && !dump_opt['L']) { 602 mutex_enter(&msp->ms_lock); 603 space_map_load_wait(sm); 604 if (!sm->sm_loaded) 605 VERIFY(space_map_load(sm, zfs_metaslab_ops, 606 SM_FREE, smo, spa->spa_meta_objset) == 0); 607 dump_metaslab_stats(msp); 608 space_map_unload(sm); 609 mutex_exit(&msp->ms_lock); 610 } 611 612 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 613 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 614 615 mutex_enter(&msp->ms_lock); 616 dump_spacemap(spa->spa_meta_objset, smo, sm); 617 mutex_exit(&msp->ms_lock); 618 } 619 } 620 621 static void 622 print_vdev_metaslab_header(vdev_t *vd) 623 { 624 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 625 (u_longlong_t)vd->vdev_id, 626 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 627 "offset", "spacemap", "free"); 628 (void) printf("\t%15s %19s %15s %10s\n", 629 "---------------", "-------------------", 630 "---------------", "-------------"); 631 } 632 633 static void 634 dump_metaslabs(spa_t *spa) 635 { 636 vdev_t *vd, *rvd = spa->spa_root_vdev; 637 uint64_t m, c = 0, children = rvd->vdev_children; 638 639 (void) printf("\nMetaslabs:\n"); 640 641 if (!dump_opt['d'] && zopt_objects > 0) { 642 c = zopt_object[0]; 643 644 if (c >= children) 645 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 646 647 if (zopt_objects > 1) { 648 vd = rvd->vdev_child[c]; 649 print_vdev_metaslab_header(vd); 650 651 for (m = 1; m < zopt_objects; m++) { 652 if (zopt_object[m] < vd->vdev_ms_count) 653 dump_metaslab( 654 vd->vdev_ms[zopt_object[m]]); 655 else 656 (void) fprintf(stderr, "bad metaslab " 657 "number %llu\n", 658 (u_longlong_t)zopt_object[m]); 659 } 660 (void) printf("\n"); 661 return; 662 } 663 children = c + 1; 664 } 665 for (; c < children; c++) { 666 vd = rvd->vdev_child[c]; 667 print_vdev_metaslab_header(vd); 668 669 for (m = 0; m < vd->vdev_ms_count; m++) 670 dump_metaslab(vd->vdev_ms[m]); 671 (void) printf("\n"); 672 } 673 } 674 675 static void 676 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 677 { 678 const ddt_phys_t *ddp = dde->dde_phys; 679 const ddt_key_t *ddk = &dde->dde_key; 680 char *types[4] = { "ditto", "single", "double", "triple" }; 681 char blkbuf[BP_SPRINTF_LEN]; 682 blkptr_t blk; 683 684 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 685 if (ddp->ddp_phys_birth == 0) 686 continue; 687 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 688 sprintf_blkptr(blkbuf, &blk); 689 (void) printf("index %llx refcnt %llu %s %s\n", 690 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 691 types[p], blkbuf); 692 } 693 } 694 695 static void 696 dump_dedup_ratio(const ddt_stat_t *dds) 697 { 698 double rL, rP, rD, D, dedup, compress, copies; 699 700 if (dds->dds_blocks == 0) 701 return; 702 703 rL = (double)dds->dds_ref_lsize; 704 rP = (double)dds->dds_ref_psize; 705 rD = (double)dds->dds_ref_dsize; 706 D = (double)dds->dds_dsize; 707 708 dedup = rD / D; 709 compress = rL / rP; 710 copies = rD / rP; 711 712 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 713 "dedup * compress / copies = %.2f\n\n", 714 dedup, compress, copies, dedup * compress / copies); 715 } 716 717 static void 718 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 719 { 720 char name[DDT_NAMELEN]; 721 ddt_entry_t dde; 722 uint64_t walk = 0; 723 dmu_object_info_t doi; 724 uint64_t count, dspace, mspace; 725 int error; 726 727 error = ddt_object_info(ddt, type, class, &doi); 728 729 if (error == ENOENT) 730 return; 731 ASSERT(error == 0); 732 733 if ((count = ddt_object_count(ddt, type, class)) == 0) 734 return; 735 736 dspace = doi.doi_physical_blocks_512 << 9; 737 mspace = doi.doi_fill_count * doi.doi_data_block_size; 738 739 ddt_object_name(ddt, type, class, name); 740 741 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 742 name, 743 (u_longlong_t)count, 744 (u_longlong_t)(dspace / count), 745 (u_longlong_t)(mspace / count)); 746 747 if (dump_opt['D'] < 3) 748 return; 749 750 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 751 752 if (dump_opt['D'] < 4) 753 return; 754 755 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 756 return; 757 758 (void) printf("%s contents:\n\n", name); 759 760 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 761 dump_dde(ddt, &dde, walk); 762 763 ASSERT(error == ENOENT); 764 765 (void) printf("\n"); 766 } 767 768 static void 769 dump_all_ddts(spa_t *spa) 770 { 771 ddt_histogram_t ddh_total = { 0 }; 772 ddt_stat_t dds_total = { 0 }; 773 774 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 775 ddt_t *ddt = spa->spa_ddt[c]; 776 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 777 for (enum ddt_class class = 0; class < DDT_CLASSES; 778 class++) { 779 dump_ddt(ddt, type, class); 780 } 781 } 782 } 783 784 ddt_get_dedup_stats(spa, &dds_total); 785 786 if (dds_total.dds_blocks == 0) { 787 (void) printf("All DDTs are empty\n"); 788 return; 789 } 790 791 (void) printf("\n"); 792 793 if (dump_opt['D'] > 1) { 794 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 795 ddt_get_dedup_histogram(spa, &ddh_total); 796 zpool_dump_ddt(&dds_total, &ddh_total); 797 } 798 799 dump_dedup_ratio(&dds_total); 800 } 801 802 static void 803 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 804 { 805 char *prefix = (void *)sm; 806 807 (void) printf("%s [%llu,%llu) length %llu\n", 808 prefix, 809 (u_longlong_t)start, 810 (u_longlong_t)(start + size), 811 (u_longlong_t)(size)); 812 } 813 814 static void 815 dump_dtl(vdev_t *vd, int indent) 816 { 817 spa_t *spa = vd->vdev_spa; 818 boolean_t required; 819 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 820 char prefix[256]; 821 822 spa_vdev_state_enter(spa, SCL_NONE); 823 required = vdev_dtl_required(vd); 824 (void) spa_vdev_state_exit(spa, NULL, 0); 825 826 if (indent == 0) 827 (void) printf("\nDirty time logs:\n\n"); 828 829 (void) printf("\t%*s%s [%s]\n", indent, "", 830 vd->vdev_path ? vd->vdev_path : 831 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 832 required ? "DTL-required" : "DTL-expendable"); 833 834 for (int t = 0; t < DTL_TYPES; t++) { 835 space_map_t *sm = &vd->vdev_dtl[t]; 836 if (sm->sm_space == 0) 837 continue; 838 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 839 indent + 2, "", name[t]); 840 mutex_enter(sm->sm_lock); 841 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 842 mutex_exit(sm->sm_lock); 843 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 844 dump_spacemap(spa->spa_meta_objset, 845 &vd->vdev_dtl_smo, sm); 846 } 847 848 for (int c = 0; c < vd->vdev_children; c++) 849 dump_dtl(vd->vdev_child[c], indent + 4); 850 } 851 852 static void 853 dump_history(spa_t *spa) 854 { 855 nvlist_t **events = NULL; 856 char buf[SPA_MAXBLOCKSIZE]; 857 uint64_t resid, len, off = 0; 858 uint_t num = 0; 859 int error; 860 time_t tsec; 861 struct tm t; 862 char tbuf[30]; 863 char internalstr[MAXPATHLEN]; 864 865 do { 866 len = sizeof (buf); 867 868 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 869 (void) fprintf(stderr, "Unable to read history: " 870 "error %d\n", error); 871 return; 872 } 873 874 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 875 break; 876 877 off -= resid; 878 } while (len != 0); 879 880 (void) printf("\nHistory:\n"); 881 for (int i = 0; i < num; i++) { 882 uint64_t time, txg, ievent; 883 char *cmd, *intstr; 884 boolean_t printed = B_FALSE; 885 886 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 887 &time) != 0) 888 goto next; 889 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 890 &cmd) != 0) { 891 if (nvlist_lookup_uint64(events[i], 892 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 893 goto next; 894 verify(nvlist_lookup_uint64(events[i], 895 ZPOOL_HIST_TXG, &txg) == 0); 896 verify(nvlist_lookup_string(events[i], 897 ZPOOL_HIST_INT_STR, &intstr) == 0); 898 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 899 goto next; 900 901 (void) snprintf(internalstr, 902 sizeof (internalstr), 903 "[internal %s txg:%lld] %s", 904 zfs_history_event_names[ievent], txg, 905 intstr); 906 cmd = internalstr; 907 } 908 tsec = time; 909 (void) localtime_r(&tsec, &t); 910 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 911 (void) printf("%s %s\n", tbuf, cmd); 912 printed = B_TRUE; 913 914 next: 915 if (dump_opt['h'] > 1) { 916 if (!printed) 917 (void) printf("unrecognized record:\n"); 918 dump_nvlist(events[i], 2); 919 } 920 } 921 } 922 923 /*ARGSUSED*/ 924 static void 925 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 926 { 927 } 928 929 static uint64_t 930 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 931 { 932 if (dnp == NULL) { 933 ASSERT(zb->zb_level < 0); 934 if (zb->zb_object == 0) 935 return (zb->zb_blkid); 936 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 937 } 938 939 ASSERT(zb->zb_level >= 0); 940 941 return ((zb->zb_blkid << 942 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 943 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 944 } 945 946 static void 947 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp) 948 { 949 const dva_t *dva = bp->blk_dva; 950 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 951 952 if (dump_opt['b'] >= 5) { 953 sprintf_blkptr(blkbuf, bp); 954 return; 955 } 956 957 blkbuf[0] = '\0'; 958 959 for (int i = 0; i < ndvas; i++) 960 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 961 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 962 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 963 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 964 965 (void) sprintf(blkbuf + strlen(blkbuf), 966 "%llxL/%llxP F=%llu B=%llu/%llu", 967 (u_longlong_t)BP_GET_LSIZE(bp), 968 (u_longlong_t)BP_GET_PSIZE(bp), 969 (u_longlong_t)bp->blk_fill, 970 (u_longlong_t)bp->blk_birth, 971 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 972 } 973 974 static void 975 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 976 const dnode_phys_t *dnp) 977 { 978 char blkbuf[BP_SPRINTF_LEN]; 979 int l; 980 981 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 982 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 983 984 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 985 986 ASSERT(zb->zb_level >= 0); 987 988 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 989 if (l == zb->zb_level) { 990 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 991 } else { 992 (void) printf(" "); 993 } 994 } 995 996 sprintf_blkptr_compact(blkbuf, bp); 997 (void) printf("%s\n", blkbuf); 998 } 999 1000 static int 1001 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1002 blkptr_t *bp, const zbookmark_t *zb) 1003 { 1004 int err = 0; 1005 1006 if (bp->blk_birth == 0) 1007 return (0); 1008 1009 print_indirect(bp, zb, dnp); 1010 1011 if (BP_GET_LEVEL(bp) > 0) { 1012 uint32_t flags = ARC_WAIT; 1013 int i; 1014 blkptr_t *cbp; 1015 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1016 arc_buf_t *buf; 1017 uint64_t fill = 0; 1018 1019 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 1020 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1021 if (err) 1022 return (err); 1023 ASSERT(buf->b_data); 1024 1025 /* recursively visit blocks below this */ 1026 cbp = buf->b_data; 1027 for (i = 0; i < epb; i++, cbp++) { 1028 zbookmark_t czb; 1029 1030 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1031 zb->zb_level - 1, 1032 zb->zb_blkid * epb + i); 1033 err = visit_indirect(spa, dnp, cbp, &czb); 1034 if (err) 1035 break; 1036 fill += cbp->blk_fill; 1037 } 1038 if (!err) 1039 ASSERT3U(fill, ==, bp->blk_fill); 1040 (void) arc_buf_remove_ref(buf, &buf); 1041 } 1042 1043 return (err); 1044 } 1045 1046 /*ARGSUSED*/ 1047 static void 1048 dump_indirect(dnode_t *dn) 1049 { 1050 dnode_phys_t *dnp = dn->dn_phys; 1051 int j; 1052 zbookmark_t czb; 1053 1054 (void) printf("Indirect blocks:\n"); 1055 1056 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1057 dn->dn_object, dnp->dn_nlevels - 1, 0); 1058 for (j = 0; j < dnp->dn_nblkptr; j++) { 1059 czb.zb_blkid = j; 1060 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1061 &dnp->dn_blkptr[j], &czb); 1062 } 1063 1064 (void) printf("\n"); 1065 } 1066 1067 /*ARGSUSED*/ 1068 static void 1069 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1070 { 1071 dsl_dir_phys_t *dd = data; 1072 time_t crtime; 1073 char nice[32]; 1074 1075 if (dd == NULL) 1076 return; 1077 1078 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1079 1080 crtime = dd->dd_creation_time; 1081 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1082 (void) printf("\t\thead_dataset_obj = %llu\n", 1083 (u_longlong_t)dd->dd_head_dataset_obj); 1084 (void) printf("\t\tparent_dir_obj = %llu\n", 1085 (u_longlong_t)dd->dd_parent_obj); 1086 (void) printf("\t\torigin_obj = %llu\n", 1087 (u_longlong_t)dd->dd_origin_obj); 1088 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1089 (u_longlong_t)dd->dd_child_dir_zapobj); 1090 zdb_nicenum(dd->dd_used_bytes, nice); 1091 (void) printf("\t\tused_bytes = %s\n", nice); 1092 zdb_nicenum(dd->dd_compressed_bytes, nice); 1093 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1094 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1095 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1096 zdb_nicenum(dd->dd_quota, nice); 1097 (void) printf("\t\tquota = %s\n", nice); 1098 zdb_nicenum(dd->dd_reserved, nice); 1099 (void) printf("\t\treserved = %s\n", nice); 1100 (void) printf("\t\tprops_zapobj = %llu\n", 1101 (u_longlong_t)dd->dd_props_zapobj); 1102 (void) printf("\t\tdeleg_zapobj = %llu\n", 1103 (u_longlong_t)dd->dd_deleg_zapobj); 1104 (void) printf("\t\tflags = %llx\n", 1105 (u_longlong_t)dd->dd_flags); 1106 1107 #define DO(which) \ 1108 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1109 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1110 DO(HEAD); 1111 DO(SNAP); 1112 DO(CHILD); 1113 DO(CHILD_RSRV); 1114 DO(REFRSRV); 1115 #undef DO 1116 } 1117 1118 /*ARGSUSED*/ 1119 static void 1120 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1121 { 1122 dsl_dataset_phys_t *ds = data; 1123 time_t crtime; 1124 char used[32], compressed[32], uncompressed[32], unique[32]; 1125 char blkbuf[BP_SPRINTF_LEN]; 1126 1127 if (ds == NULL) 1128 return; 1129 1130 ASSERT(size == sizeof (*ds)); 1131 crtime = ds->ds_creation_time; 1132 zdb_nicenum(ds->ds_referenced_bytes, used); 1133 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1134 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1135 zdb_nicenum(ds->ds_unique_bytes, unique); 1136 sprintf_blkptr(blkbuf, &ds->ds_bp); 1137 1138 (void) printf("\t\tdir_obj = %llu\n", 1139 (u_longlong_t)ds->ds_dir_obj); 1140 (void) printf("\t\tprev_snap_obj = %llu\n", 1141 (u_longlong_t)ds->ds_prev_snap_obj); 1142 (void) printf("\t\tprev_snap_txg = %llu\n", 1143 (u_longlong_t)ds->ds_prev_snap_txg); 1144 (void) printf("\t\tnext_snap_obj = %llu\n", 1145 (u_longlong_t)ds->ds_next_snap_obj); 1146 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1147 (u_longlong_t)ds->ds_snapnames_zapobj); 1148 (void) printf("\t\tnum_children = %llu\n", 1149 (u_longlong_t)ds->ds_num_children); 1150 (void) printf("\t\tuserrefs_obj = %llu\n", 1151 (u_longlong_t)ds->ds_userrefs_obj); 1152 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1153 (void) printf("\t\tcreation_txg = %llu\n", 1154 (u_longlong_t)ds->ds_creation_txg); 1155 (void) printf("\t\tdeadlist_obj = %llu\n", 1156 (u_longlong_t)ds->ds_deadlist_obj); 1157 (void) printf("\t\tused_bytes = %s\n", used); 1158 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1159 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1160 (void) printf("\t\tunique = %s\n", unique); 1161 (void) printf("\t\tfsid_guid = %llu\n", 1162 (u_longlong_t)ds->ds_fsid_guid); 1163 (void) printf("\t\tguid = %llu\n", 1164 (u_longlong_t)ds->ds_guid); 1165 (void) printf("\t\tflags = %llx\n", 1166 (u_longlong_t)ds->ds_flags); 1167 (void) printf("\t\tnext_clones_obj = %llu\n", 1168 (u_longlong_t)ds->ds_next_clones_obj); 1169 (void) printf("\t\tprops_obj = %llu\n", 1170 (u_longlong_t)ds->ds_props_obj); 1171 (void) printf("\t\tbp = %s\n", blkbuf); 1172 } 1173 1174 /* ARGSUSED */ 1175 static int 1176 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1177 { 1178 char blkbuf[BP_SPRINTF_LEN]; 1179 1180 if (bp->blk_birth != 0) { 1181 sprintf_blkptr(blkbuf, bp); 1182 (void) printf("\t%s\n", blkbuf); 1183 } 1184 return (0); 1185 } 1186 1187 static void 1188 dump_bptree(objset_t *os, uint64_t obj, char *name) 1189 { 1190 char bytes[32]; 1191 bptree_phys_t *bt; 1192 dmu_buf_t *db; 1193 1194 if (dump_opt['d'] < 3) 1195 return; 1196 1197 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1198 bt = db->db_data; 1199 zdb_nicenum(bt->bt_bytes, bytes); 1200 (void) printf("\n %s: %llu datasets, %s\n", 1201 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1202 dmu_buf_rele(db, FTAG); 1203 1204 if (dump_opt['d'] < 5) 1205 return; 1206 1207 (void) printf("\n"); 1208 1209 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1210 } 1211 1212 /* ARGSUSED */ 1213 static int 1214 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1215 { 1216 char blkbuf[BP_SPRINTF_LEN]; 1217 1218 ASSERT(bp->blk_birth != 0); 1219 sprintf_blkptr_compact(blkbuf, bp); 1220 (void) printf("\t%s\n", blkbuf); 1221 return (0); 1222 } 1223 1224 static void 1225 dump_bpobj(bpobj_t *bpo, char *name, int indent) 1226 { 1227 char bytes[32]; 1228 char comp[32]; 1229 char uncomp[32]; 1230 1231 if (dump_opt['d'] < 3) 1232 return; 1233 1234 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1235 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 1236 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1237 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1238 (void) printf(" %*s: object %llu, %llu local blkptrs, " 1239 "%llu subobjs, %s (%s/%s comp)\n", 1240 indent * 8, name, 1241 (u_longlong_t)bpo->bpo_object, 1242 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1243 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1244 bytes, comp, uncomp); 1245 1246 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1247 uint64_t subobj; 1248 bpobj_t subbpo; 1249 int error; 1250 VERIFY0(dmu_read(bpo->bpo_os, 1251 bpo->bpo_phys->bpo_subobjs, 1252 i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1253 error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1254 if (error != 0) { 1255 (void) printf("ERROR %u while trying to open " 1256 "subobj id %llu\n", 1257 error, (u_longlong_t)subobj); 1258 continue; 1259 } 1260 dump_bpobj(&subbpo, "subobj", indent + 1); 1261 } 1262 } else { 1263 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1264 indent * 8, name, 1265 (u_longlong_t)bpo->bpo_object, 1266 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1267 bytes); 1268 } 1269 1270 if (dump_opt['d'] < 5) 1271 return; 1272 1273 1274 if (indent == 0) { 1275 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1276 (void) printf("\n"); 1277 } 1278 } 1279 1280 static void 1281 dump_deadlist(dsl_deadlist_t *dl) 1282 { 1283 dsl_deadlist_entry_t *dle; 1284 uint64_t unused; 1285 char bytes[32]; 1286 char comp[32]; 1287 char uncomp[32]; 1288 1289 if (dump_opt['d'] < 3) 1290 return; 1291 1292 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1293 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1294 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1295 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1296 bytes, comp, uncomp); 1297 1298 if (dump_opt['d'] < 4) 1299 return; 1300 1301 (void) printf("\n"); 1302 1303 /* force the tree to be loaded */ 1304 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1305 1306 for (dle = avl_first(&dl->dl_tree); dle; 1307 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1308 if (dump_opt['d'] >= 5) { 1309 char buf[128]; 1310 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ", 1311 (longlong_t)dle->dle_mintxg, 1312 (longlong_t)dle->dle_bpobj.bpo_object); 1313 1314 dump_bpobj(&dle->dle_bpobj, buf, 0); 1315 } else { 1316 (void) printf("mintxg %llu -> obj %llu\n", 1317 (longlong_t)dle->dle_mintxg, 1318 (longlong_t)dle->dle_bpobj.bpo_object); 1319 1320 } 1321 } 1322 } 1323 1324 static avl_tree_t idx_tree; 1325 static avl_tree_t domain_tree; 1326 static boolean_t fuid_table_loaded; 1327 static boolean_t sa_loaded; 1328 sa_attr_type_t *sa_attr_table; 1329 1330 static void 1331 fuid_table_destroy() 1332 { 1333 if (fuid_table_loaded) { 1334 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1335 fuid_table_loaded = B_FALSE; 1336 } 1337 } 1338 1339 /* 1340 * print uid or gid information. 1341 * For normal POSIX id just the id is printed in decimal format. 1342 * For CIFS files with FUID the fuid is printed in hex followed by 1343 * the domain-rid string. 1344 */ 1345 static void 1346 print_idstr(uint64_t id, const char *id_type) 1347 { 1348 if (FUID_INDEX(id)) { 1349 char *domain; 1350 1351 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1352 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1353 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1354 } else { 1355 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1356 } 1357 1358 } 1359 1360 static void 1361 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1362 { 1363 uint32_t uid_idx, gid_idx; 1364 1365 uid_idx = FUID_INDEX(uid); 1366 gid_idx = FUID_INDEX(gid); 1367 1368 /* Load domain table, if not already loaded */ 1369 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1370 uint64_t fuid_obj; 1371 1372 /* first find the fuid object. It lives in the master node */ 1373 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1374 8, 1, &fuid_obj) == 0); 1375 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1376 (void) zfs_fuid_table_load(os, fuid_obj, 1377 &idx_tree, &domain_tree); 1378 fuid_table_loaded = B_TRUE; 1379 } 1380 1381 print_idstr(uid, "uid"); 1382 print_idstr(gid, "gid"); 1383 } 1384 1385 /*ARGSUSED*/ 1386 static void 1387 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1388 { 1389 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1390 sa_handle_t *hdl; 1391 uint64_t xattr, rdev, gen; 1392 uint64_t uid, gid, mode, fsize, parent, links; 1393 uint64_t pflags; 1394 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1395 time_t z_crtime, z_atime, z_mtime, z_ctime; 1396 sa_bulk_attr_t bulk[12]; 1397 int idx = 0; 1398 int error; 1399 1400 if (!sa_loaded) { 1401 uint64_t sa_attrs = 0; 1402 uint64_t version; 1403 1404 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1405 8, 1, &version) == 0); 1406 if (version >= ZPL_VERSION_SA) { 1407 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1408 8, 1, &sa_attrs) == 0); 1409 } 1410 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1411 ZPL_END, &sa_attr_table)) != 0) { 1412 (void) printf("sa_setup failed errno %d, can't " 1413 "display znode contents\n", error); 1414 return; 1415 } 1416 sa_loaded = B_TRUE; 1417 } 1418 1419 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1420 (void) printf("Failed to get handle for SA znode\n"); 1421 return; 1422 } 1423 1424 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1425 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1426 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1427 &links, 8); 1428 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1429 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1430 &mode, 8); 1431 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1432 NULL, &parent, 8); 1433 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1434 &fsize, 8); 1435 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1436 acctm, 16); 1437 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1438 modtm, 16); 1439 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1440 crtm, 16); 1441 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1442 chgtm, 16); 1443 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1444 &pflags, 8); 1445 1446 if (sa_bulk_lookup(hdl, bulk, idx)) { 1447 (void) sa_handle_destroy(hdl); 1448 return; 1449 } 1450 1451 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1452 if (error != 0) { 1453 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1454 (u_longlong_t)object); 1455 } 1456 if (dump_opt['d'] < 3) { 1457 (void) printf("\t%s\n", path); 1458 (void) sa_handle_destroy(hdl); 1459 return; 1460 } 1461 1462 z_crtime = (time_t)crtm[0]; 1463 z_atime = (time_t)acctm[0]; 1464 z_mtime = (time_t)modtm[0]; 1465 z_ctime = (time_t)chgtm[0]; 1466 1467 (void) printf("\tpath %s\n", path); 1468 dump_uidgid(os, uid, gid); 1469 (void) printf("\tatime %s", ctime(&z_atime)); 1470 (void) printf("\tmtime %s", ctime(&z_mtime)); 1471 (void) printf("\tctime %s", ctime(&z_ctime)); 1472 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1473 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1474 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1475 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1476 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1477 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1478 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1479 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1480 sizeof (uint64_t)) == 0) 1481 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1482 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1483 sizeof (uint64_t)) == 0) 1484 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1485 sa_handle_destroy(hdl); 1486 } 1487 1488 /*ARGSUSED*/ 1489 static void 1490 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1491 { 1492 } 1493 1494 /*ARGSUSED*/ 1495 static void 1496 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1497 { 1498 } 1499 1500 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1501 dump_none, /* unallocated */ 1502 dump_zap, /* object directory */ 1503 dump_uint64, /* object array */ 1504 dump_none, /* packed nvlist */ 1505 dump_packed_nvlist, /* packed nvlist size */ 1506 dump_none, /* bplist */ 1507 dump_none, /* bplist header */ 1508 dump_none, /* SPA space map header */ 1509 dump_none, /* SPA space map */ 1510 dump_none, /* ZIL intent log */ 1511 dump_dnode, /* DMU dnode */ 1512 dump_dmu_objset, /* DMU objset */ 1513 dump_dsl_dir, /* DSL directory */ 1514 dump_zap, /* DSL directory child map */ 1515 dump_zap, /* DSL dataset snap map */ 1516 dump_zap, /* DSL props */ 1517 dump_dsl_dataset, /* DSL dataset */ 1518 dump_znode, /* ZFS znode */ 1519 dump_acl, /* ZFS V0 ACL */ 1520 dump_uint8, /* ZFS plain file */ 1521 dump_zpldir, /* ZFS directory */ 1522 dump_zap, /* ZFS master node */ 1523 dump_zap, /* ZFS delete queue */ 1524 dump_uint8, /* zvol object */ 1525 dump_zap, /* zvol prop */ 1526 dump_uint8, /* other uint8[] */ 1527 dump_uint64, /* other uint64[] */ 1528 dump_zap, /* other ZAP */ 1529 dump_zap, /* persistent error log */ 1530 dump_uint8, /* SPA history */ 1531 dump_history_offsets, /* SPA history offsets */ 1532 dump_zap, /* Pool properties */ 1533 dump_zap, /* DSL permissions */ 1534 dump_acl, /* ZFS ACL */ 1535 dump_uint8, /* ZFS SYSACL */ 1536 dump_none, /* FUID nvlist */ 1537 dump_packed_nvlist, /* FUID nvlist size */ 1538 dump_zap, /* DSL dataset next clones */ 1539 dump_zap, /* DSL scrub queue */ 1540 dump_zap, /* ZFS user/group used */ 1541 dump_zap, /* ZFS user/group quota */ 1542 dump_zap, /* snapshot refcount tags */ 1543 dump_ddt_zap, /* DDT ZAP object */ 1544 dump_zap, /* DDT statistics */ 1545 dump_znode, /* SA object */ 1546 dump_zap, /* SA Master Node */ 1547 dump_sa_attrs, /* SA attribute registration */ 1548 dump_sa_layouts, /* SA attribute layouts */ 1549 dump_zap, /* DSL scrub translations */ 1550 dump_none, /* fake dedup BP */ 1551 dump_zap, /* deadlist */ 1552 dump_none, /* deadlist hdr */ 1553 dump_zap, /* dsl clones */ 1554 dump_none, /* bpobj subobjs */ 1555 dump_unknown, /* Unknown type, must be last */ 1556 }; 1557 1558 static void 1559 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1560 { 1561 dmu_buf_t *db = NULL; 1562 dmu_object_info_t doi; 1563 dnode_t *dn; 1564 void *bonus = NULL; 1565 size_t bsize = 0; 1566 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1567 char bonus_size[32]; 1568 char aux[50]; 1569 int error; 1570 1571 if (*print_header) { 1572 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1573 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1574 "%full", "type"); 1575 *print_header = 0; 1576 } 1577 1578 if (object == 0) { 1579 dn = DMU_META_DNODE(os); 1580 } else { 1581 error = dmu_bonus_hold(os, object, FTAG, &db); 1582 if (error) 1583 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1584 object, error); 1585 bonus = db->db_data; 1586 bsize = db->db_size; 1587 dn = DB_DNODE((dmu_buf_impl_t *)db); 1588 } 1589 dmu_object_info_from_dnode(dn, &doi); 1590 1591 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1592 zdb_nicenum(doi.doi_data_block_size, dblk); 1593 zdb_nicenum(doi.doi_max_offset, lsize); 1594 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1595 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1596 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1597 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1598 doi.doi_max_offset); 1599 1600 aux[0] = '\0'; 1601 1602 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1603 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1604 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1605 } 1606 1607 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1608 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1609 ZDB_COMPRESS_NAME(doi.doi_compress)); 1610 } 1611 1612 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1613 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1614 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1615 1616 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1617 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1618 "", "", "", "", "", bonus_size, "bonus", 1619 ZDB_OT_NAME(doi.doi_bonus_type)); 1620 } 1621 1622 if (verbosity >= 4) { 1623 (void) printf("\tdnode flags: %s%s%s\n", 1624 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1625 "USED_BYTES " : "", 1626 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1627 "USERUSED_ACCOUNTED " : "", 1628 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1629 "SPILL_BLKPTR" : ""); 1630 (void) printf("\tdnode maxblkid: %llu\n", 1631 (longlong_t)dn->dn_phys->dn_maxblkid); 1632 1633 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1634 bonus, bsize); 1635 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1636 *print_header = 1; 1637 } 1638 1639 if (verbosity >= 5) 1640 dump_indirect(dn); 1641 1642 if (verbosity >= 5) { 1643 /* 1644 * Report the list of segments that comprise the object. 1645 */ 1646 uint64_t start = 0; 1647 uint64_t end; 1648 uint64_t blkfill = 1; 1649 int minlvl = 1; 1650 1651 if (dn->dn_type == DMU_OT_DNODE) { 1652 minlvl = 0; 1653 blkfill = DNODES_PER_BLOCK; 1654 } 1655 1656 for (;;) { 1657 char segsize[32]; 1658 error = dnode_next_offset(dn, 1659 0, &start, minlvl, blkfill, 0); 1660 if (error) 1661 break; 1662 end = start; 1663 error = dnode_next_offset(dn, 1664 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1665 zdb_nicenum(end - start, segsize); 1666 (void) printf("\t\tsegment [%016llx, %016llx)" 1667 " size %5s\n", (u_longlong_t)start, 1668 (u_longlong_t)end, segsize); 1669 if (error) 1670 break; 1671 start = end; 1672 } 1673 } 1674 1675 if (db != NULL) 1676 dmu_buf_rele(db, FTAG); 1677 } 1678 1679 static char *objset_types[DMU_OST_NUMTYPES] = { 1680 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1681 1682 static void 1683 dump_dir(objset_t *os) 1684 { 1685 dmu_objset_stats_t dds; 1686 uint64_t object, object_count; 1687 uint64_t refdbytes, usedobjs, scratch; 1688 char numbuf[32]; 1689 char blkbuf[BP_SPRINTF_LEN + 20]; 1690 char osname[MAXNAMELEN]; 1691 char *type = "UNKNOWN"; 1692 int verbosity = dump_opt['d']; 1693 int print_header = 1; 1694 int i, error; 1695 1696 dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 1697 dmu_objset_fast_stat(os, &dds); 1698 dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 1699 1700 if (dds.dds_type < DMU_OST_NUMTYPES) 1701 type = objset_types[dds.dds_type]; 1702 1703 if (dds.dds_type == DMU_OST_META) { 1704 dds.dds_creation_txg = TXG_INITIAL; 1705 usedobjs = os->os_rootbp->blk_fill; 1706 refdbytes = os->os_spa->spa_dsl_pool-> 1707 dp_mos_dir->dd_phys->dd_used_bytes; 1708 } else { 1709 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1710 } 1711 1712 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1713 1714 zdb_nicenum(refdbytes, numbuf); 1715 1716 if (verbosity >= 4) { 1717 (void) sprintf(blkbuf, ", rootbp "); 1718 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1719 } else { 1720 blkbuf[0] = '\0'; 1721 } 1722 1723 dmu_objset_name(os, osname); 1724 1725 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1726 "%s, %llu objects%s\n", 1727 osname, type, (u_longlong_t)dmu_objset_id(os), 1728 (u_longlong_t)dds.dds_creation_txg, 1729 numbuf, (u_longlong_t)usedobjs, blkbuf); 1730 1731 if (zopt_objects != 0) { 1732 for (i = 0; i < zopt_objects; i++) 1733 dump_object(os, zopt_object[i], verbosity, 1734 &print_header); 1735 (void) printf("\n"); 1736 return; 1737 } 1738 1739 if (dump_opt['i'] != 0 || verbosity >= 2) 1740 dump_intent_log(dmu_objset_zil(os)); 1741 1742 if (dmu_objset_ds(os) != NULL) 1743 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1744 1745 if (verbosity < 2) 1746 return; 1747 1748 if (os->os_rootbp->blk_birth == 0) 1749 return; 1750 1751 dump_object(os, 0, verbosity, &print_header); 1752 object_count = 0; 1753 if (DMU_USERUSED_DNODE(os) != NULL && 1754 DMU_USERUSED_DNODE(os)->dn_type != 0) { 1755 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1756 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1757 } 1758 1759 object = 0; 1760 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1761 dump_object(os, object, verbosity, &print_header); 1762 object_count++; 1763 } 1764 1765 ASSERT3U(object_count, ==, usedobjs); 1766 1767 (void) printf("\n"); 1768 1769 if (error != ESRCH) { 1770 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1771 abort(); 1772 } 1773 } 1774 1775 static void 1776 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1777 { 1778 time_t timestamp = ub->ub_timestamp; 1779 1780 (void) printf(header ? header : ""); 1781 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1782 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1783 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1784 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1785 (void) printf("\ttimestamp = %llu UTC = %s", 1786 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1787 if (dump_opt['u'] >= 3) { 1788 char blkbuf[BP_SPRINTF_LEN]; 1789 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1790 (void) printf("\trootbp = %s\n", blkbuf); 1791 } 1792 (void) printf(footer ? footer : ""); 1793 } 1794 1795 static void 1796 dump_config(spa_t *spa) 1797 { 1798 dmu_buf_t *db; 1799 size_t nvsize = 0; 1800 int error = 0; 1801 1802 1803 error = dmu_bonus_hold(spa->spa_meta_objset, 1804 spa->spa_config_object, FTAG, &db); 1805 1806 if (error == 0) { 1807 nvsize = *(uint64_t *)db->db_data; 1808 dmu_buf_rele(db, FTAG); 1809 1810 (void) printf("\nMOS Configuration:\n"); 1811 dump_packed_nvlist(spa->spa_meta_objset, 1812 spa->spa_config_object, (void *)&nvsize, 1); 1813 } else { 1814 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1815 (u_longlong_t)spa->spa_config_object, error); 1816 } 1817 } 1818 1819 static void 1820 dump_cachefile(const char *cachefile) 1821 { 1822 int fd; 1823 struct stat64 statbuf; 1824 char *buf; 1825 nvlist_t *config; 1826 1827 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1828 (void) printf("cannot open '%s': %s\n", cachefile, 1829 strerror(errno)); 1830 exit(1); 1831 } 1832 1833 if (fstat64(fd, &statbuf) != 0) { 1834 (void) printf("failed to stat '%s': %s\n", cachefile, 1835 strerror(errno)); 1836 exit(1); 1837 } 1838 1839 if ((buf = malloc(statbuf.st_size)) == NULL) { 1840 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1841 (u_longlong_t)statbuf.st_size); 1842 exit(1); 1843 } 1844 1845 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1846 (void) fprintf(stderr, "failed to read %llu bytes\n", 1847 (u_longlong_t)statbuf.st_size); 1848 exit(1); 1849 } 1850 1851 (void) close(fd); 1852 1853 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1854 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1855 exit(1); 1856 } 1857 1858 free(buf); 1859 1860 dump_nvlist(config, 0); 1861 1862 nvlist_free(config); 1863 } 1864 1865 #define ZDB_MAX_UB_HEADER_SIZE 32 1866 1867 static void 1868 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1869 { 1870 vdev_t vd; 1871 vdev_t *vdp = &vd; 1872 char header[ZDB_MAX_UB_HEADER_SIZE]; 1873 1874 vd.vdev_ashift = ashift; 1875 vdp->vdev_top = vdp; 1876 1877 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1878 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1879 uberblock_t *ub = (void *)((char *)lbl + uoff); 1880 1881 if (uberblock_verify(ub)) 1882 continue; 1883 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1884 "Uberblock[%d]\n", i); 1885 dump_uberblock(ub, header, ""); 1886 } 1887 } 1888 1889 static void 1890 dump_label(const char *dev) 1891 { 1892 int fd; 1893 vdev_label_t label; 1894 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1895 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1896 struct stat64 statbuf; 1897 uint64_t psize, ashift; 1898 int len = strlen(dev) + 1; 1899 1900 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1901 len++; 1902 path = malloc(len); 1903 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1904 } else { 1905 path = strdup(dev); 1906 } 1907 1908 if ((fd = open64(path, O_RDONLY)) < 0) { 1909 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1910 free(path); 1911 exit(1); 1912 } 1913 1914 if (fstat64(fd, &statbuf) != 0) { 1915 (void) printf("failed to stat '%s': %s\n", path, 1916 strerror(errno)); 1917 free(path); 1918 (void) close(fd); 1919 exit(1); 1920 } 1921 1922 if (S_ISBLK(statbuf.st_mode)) { 1923 (void) printf("cannot use '%s': character device required\n", 1924 path); 1925 free(path); 1926 (void) close(fd); 1927 exit(1); 1928 } 1929 1930 psize = statbuf.st_size; 1931 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1932 1933 for (int l = 0; l < VDEV_LABELS; l++) { 1934 nvlist_t *config = NULL; 1935 1936 (void) printf("--------------------------------------------\n"); 1937 (void) printf("LABEL %d\n", l); 1938 (void) printf("--------------------------------------------\n"); 1939 1940 if (pread64(fd, &label, sizeof (label), 1941 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1942 (void) printf("failed to read label %d\n", l); 1943 continue; 1944 } 1945 1946 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1947 (void) printf("failed to unpack label %d\n", l); 1948 ashift = SPA_MINBLOCKSHIFT; 1949 } else { 1950 nvlist_t *vdev_tree = NULL; 1951 1952 dump_nvlist(config, 4); 1953 if ((nvlist_lookup_nvlist(config, 1954 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1955 (nvlist_lookup_uint64(vdev_tree, 1956 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1957 ashift = SPA_MINBLOCKSHIFT; 1958 nvlist_free(config); 1959 } 1960 if (dump_opt['u']) 1961 dump_label_uberblocks(&label, ashift); 1962 } 1963 1964 free(path); 1965 (void) close(fd); 1966 } 1967 1968 /*ARGSUSED*/ 1969 static int 1970 dump_one_dir(const char *dsname, void *arg) 1971 { 1972 int error; 1973 objset_t *os; 1974 1975 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1976 if (error) { 1977 (void) printf("Could not open %s, error %d\n", dsname, error); 1978 return (0); 1979 } 1980 dump_dir(os); 1981 dmu_objset_disown(os, FTAG); 1982 fuid_table_destroy(); 1983 sa_loaded = B_FALSE; 1984 return (0); 1985 } 1986 1987 /* 1988 * Block statistics. 1989 */ 1990 typedef struct zdb_blkstats { 1991 uint64_t zb_asize; 1992 uint64_t zb_lsize; 1993 uint64_t zb_psize; 1994 uint64_t zb_count; 1995 } zdb_blkstats_t; 1996 1997 /* 1998 * Extended object types to report deferred frees and dedup auto-ditto blocks. 1999 */ 2000 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2001 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2002 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2003 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2004 2005 static char *zdb_ot_extname[] = { 2006 "deferred free", 2007 "dedup ditto", 2008 "other", 2009 "Total", 2010 }; 2011 2012 #define ZB_TOTAL DN_MAX_LEVELS 2013 2014 typedef struct zdb_cb { 2015 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 2016 uint64_t zcb_dedup_asize; 2017 uint64_t zcb_dedup_blocks; 2018 uint64_t zcb_errors[256]; 2019 int zcb_readfails; 2020 int zcb_haderrors; 2021 spa_t *zcb_spa; 2022 } zdb_cb_t; 2023 2024 static void 2025 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2026 dmu_object_type_t type) 2027 { 2028 uint64_t refcnt = 0; 2029 2030 ASSERT(type < ZDB_OT_TOTAL); 2031 2032 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2033 return; 2034 2035 for (int i = 0; i < 4; i++) { 2036 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2037 int t = (i & 1) ? type : ZDB_OT_TOTAL; 2038 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2039 2040 zb->zb_asize += BP_GET_ASIZE(bp); 2041 zb->zb_lsize += BP_GET_LSIZE(bp); 2042 zb->zb_psize += BP_GET_PSIZE(bp); 2043 zb->zb_count++; 2044 } 2045 2046 if (dump_opt['L']) 2047 return; 2048 2049 if (BP_GET_DEDUP(bp)) { 2050 ddt_t *ddt; 2051 ddt_entry_t *dde; 2052 2053 ddt = ddt_select(zcb->zcb_spa, bp); 2054 ddt_enter(ddt); 2055 dde = ddt_lookup(ddt, bp, B_FALSE); 2056 2057 if (dde == NULL) { 2058 refcnt = 0; 2059 } else { 2060 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2061 ddt_phys_decref(ddp); 2062 refcnt = ddp->ddp_refcnt; 2063 if (ddt_phys_total_refcnt(dde) == 0) 2064 ddt_remove(ddt, dde); 2065 } 2066 ddt_exit(ddt); 2067 } 2068 2069 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2070 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2071 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2072 } 2073 2074 static void 2075 zdb_blkptr_done(zio_t *zio) 2076 { 2077 spa_t *spa = zio->io_spa; 2078 blkptr_t *bp = zio->io_bp; 2079 int ioerr = zio->io_error; 2080 zdb_cb_t *zcb = zio->io_private; 2081 zbookmark_t *zb = &zio->io_bookmark; 2082 2083 zio_data_buf_free(zio->io_data, zio->io_size); 2084 2085 mutex_enter(&spa->spa_scrub_lock); 2086 spa->spa_scrub_inflight--; 2087 cv_broadcast(&spa->spa_scrub_io_cv); 2088 2089 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 2090 char blkbuf[BP_SPRINTF_LEN]; 2091 2092 zcb->zcb_haderrors = 1; 2093 zcb->zcb_errors[ioerr]++; 2094 2095 if (dump_opt['b'] >= 2) 2096 sprintf_blkptr(blkbuf, bp); 2097 else 2098 blkbuf[0] = '\0'; 2099 2100 (void) printf("zdb_blkptr_cb: " 2101 "Got error %d reading " 2102 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2103 ioerr, 2104 (u_longlong_t)zb->zb_objset, 2105 (u_longlong_t)zb->zb_object, 2106 (u_longlong_t)zb->zb_level, 2107 (u_longlong_t)zb->zb_blkid, 2108 blkbuf); 2109 } 2110 mutex_exit(&spa->spa_scrub_lock); 2111 } 2112 2113 static int 2114 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2115 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2116 { 2117 zdb_cb_t *zcb = arg; 2118 char blkbuf[BP_SPRINTF_LEN]; 2119 dmu_object_type_t type; 2120 boolean_t is_metadata; 2121 2122 if (bp == NULL) 2123 return (0); 2124 2125 type = BP_GET_TYPE(bp); 2126 2127 zdb_count_block(zcb, zilog, bp, 2128 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2129 2130 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2131 2132 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 2133 size_t size = BP_GET_PSIZE(bp); 2134 void *data = zio_data_buf_alloc(size); 2135 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2136 2137 /* If it's an intent log block, failure is expected. */ 2138 if (zb->zb_level == ZB_ZIL_LEVEL) 2139 flags |= ZIO_FLAG_SPECULATIVE; 2140 2141 mutex_enter(&spa->spa_scrub_lock); 2142 while (spa->spa_scrub_inflight > max_inflight) 2143 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 2144 spa->spa_scrub_inflight++; 2145 mutex_exit(&spa->spa_scrub_lock); 2146 2147 zio_nowait(zio_read(NULL, spa, bp, data, size, 2148 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2149 } 2150 2151 zcb->zcb_readfails = 0; 2152 2153 if (dump_opt['b'] >= 4) { 2154 sprintf_blkptr(blkbuf, bp); 2155 (void) printf("objset %llu object %llu " 2156 "level %lld offset 0x%llx %s\n", 2157 (u_longlong_t)zb->zb_objset, 2158 (u_longlong_t)zb->zb_object, 2159 (longlong_t)zb->zb_level, 2160 (u_longlong_t)blkid2offset(dnp, bp, zb), 2161 blkbuf); 2162 } 2163 2164 return (0); 2165 } 2166 2167 static void 2168 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 2169 { 2170 vdev_t *vd = sm->sm_ppd; 2171 2172 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2173 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2174 } 2175 2176 /* ARGSUSED */ 2177 static void 2178 zdb_space_map_load(space_map_t *sm) 2179 { 2180 } 2181 2182 static void 2183 zdb_space_map_unload(space_map_t *sm) 2184 { 2185 space_map_vacate(sm, zdb_leak, sm); 2186 } 2187 2188 /* ARGSUSED */ 2189 static void 2190 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2191 { 2192 } 2193 2194 static space_map_ops_t zdb_space_map_ops = { 2195 zdb_space_map_load, 2196 zdb_space_map_unload, 2197 NULL, /* alloc */ 2198 zdb_space_map_claim, 2199 NULL, /* free */ 2200 NULL /* maxsize */ 2201 }; 2202 2203 static void 2204 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2205 { 2206 ddt_bookmark_t ddb = { 0 }; 2207 ddt_entry_t dde; 2208 int error; 2209 2210 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2211 blkptr_t blk; 2212 ddt_phys_t *ddp = dde.dde_phys; 2213 2214 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2215 return; 2216 2217 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2218 2219 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2220 if (ddp->ddp_phys_birth == 0) 2221 continue; 2222 ddt_bp_create(ddb.ddb_checksum, 2223 &dde.dde_key, ddp, &blk); 2224 if (p == DDT_PHYS_DITTO) { 2225 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2226 } else { 2227 zcb->zcb_dedup_asize += 2228 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2229 zcb->zcb_dedup_blocks++; 2230 } 2231 } 2232 if (!dump_opt['L']) { 2233 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2234 ddt_enter(ddt); 2235 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2236 ddt_exit(ddt); 2237 } 2238 } 2239 2240 ASSERT(error == ENOENT); 2241 } 2242 2243 static void 2244 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2245 { 2246 zcb->zcb_spa = spa; 2247 2248 if (!dump_opt['L']) { 2249 vdev_t *rvd = spa->spa_root_vdev; 2250 for (int c = 0; c < rvd->vdev_children; c++) { 2251 vdev_t *vd = rvd->vdev_child[c]; 2252 for (int m = 0; m < vd->vdev_ms_count; m++) { 2253 metaslab_t *msp = vd->vdev_ms[m]; 2254 mutex_enter(&msp->ms_lock); 2255 space_map_unload(msp->ms_map); 2256 VERIFY(space_map_load(msp->ms_map, 2257 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2258 spa->spa_meta_objset) == 0); 2259 msp->ms_map->sm_ppd = vd; 2260 mutex_exit(&msp->ms_lock); 2261 } 2262 } 2263 } 2264 2265 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2266 2267 zdb_ddt_leak_init(spa, zcb); 2268 2269 spa_config_exit(spa, SCL_CONFIG, FTAG); 2270 } 2271 2272 static void 2273 zdb_leak_fini(spa_t *spa) 2274 { 2275 if (!dump_opt['L']) { 2276 vdev_t *rvd = spa->spa_root_vdev; 2277 for (int c = 0; c < rvd->vdev_children; c++) { 2278 vdev_t *vd = rvd->vdev_child[c]; 2279 for (int m = 0; m < vd->vdev_ms_count; m++) { 2280 metaslab_t *msp = vd->vdev_ms[m]; 2281 mutex_enter(&msp->ms_lock); 2282 space_map_unload(msp->ms_map); 2283 mutex_exit(&msp->ms_lock); 2284 } 2285 } 2286 } 2287 } 2288 2289 /* ARGSUSED */ 2290 static int 2291 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2292 { 2293 zdb_cb_t *zcb = arg; 2294 2295 if (dump_opt['b'] >= 4) { 2296 char blkbuf[BP_SPRINTF_LEN]; 2297 sprintf_blkptr(blkbuf, bp); 2298 (void) printf("[%s] %s\n", 2299 "deferred free", blkbuf); 2300 } 2301 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2302 return (0); 2303 } 2304 2305 static int 2306 dump_block_stats(spa_t *spa) 2307 { 2308 zdb_cb_t zcb = { 0 }; 2309 zdb_blkstats_t *zb, *tzb; 2310 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2311 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2312 int leaks = 0; 2313 2314 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 2315 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2316 (dump_opt['c'] == 1) ? "metadata " : "", 2317 dump_opt['c'] ? "checksums " : "", 2318 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2319 !dump_opt['L'] ? "nothing leaked " : ""); 2320 2321 /* 2322 * Load all space maps as SM_ALLOC maps, then traverse the pool 2323 * claiming each block we discover. If the pool is perfectly 2324 * consistent, the space maps will be empty when we're done. 2325 * Anything left over is a leak; any block we can't claim (because 2326 * it's not part of any space map) is a double allocation, 2327 * reference to a freed block, or an unclaimed log block. 2328 */ 2329 zdb_leak_init(spa, &zcb); 2330 2331 /* 2332 * If there's a deferred-free bplist, process that first. 2333 */ 2334 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2335 count_block_cb, &zcb, NULL); 2336 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2337 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2338 count_block_cb, &zcb, NULL); 2339 } 2340 if (spa_feature_is_active(spa, 2341 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) { 2342 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2343 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2344 &zcb, NULL)); 2345 } 2346 2347 if (dump_opt['c'] > 1) 2348 flags |= TRAVERSE_PREFETCH_DATA; 2349 2350 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2351 2352 /* 2353 * If we've traversed the data blocks then we need to wait for those 2354 * I/Os to complete. We leverage "The Godfather" zio to wait on 2355 * all async I/Os to complete. 2356 */ 2357 if (dump_opt['c']) { 2358 (void) zio_wait(spa->spa_async_zio_root); 2359 spa->spa_async_zio_root = zio_root(spa, NULL, NULL, 2360 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 2361 ZIO_FLAG_GODFATHER); 2362 } 2363 2364 if (zcb.zcb_haderrors) { 2365 (void) printf("\nError counts:\n\n"); 2366 (void) printf("\t%5s %s\n", "errno", "count"); 2367 for (int e = 0; e < 256; e++) { 2368 if (zcb.zcb_errors[e] != 0) { 2369 (void) printf("\t%5d %llu\n", 2370 e, (u_longlong_t)zcb.zcb_errors[e]); 2371 } 2372 } 2373 } 2374 2375 /* 2376 * Report any leaked segments. 2377 */ 2378 zdb_leak_fini(spa); 2379 2380 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2381 2382 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2383 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2384 2385 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2386 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2387 2388 if (total_found == total_alloc) { 2389 if (!dump_opt['L']) 2390 (void) printf("\n\tNo leaks (block sum matches space" 2391 " maps exactly)\n"); 2392 } else { 2393 (void) printf("block traversal size %llu != alloc %llu " 2394 "(%s %lld)\n", 2395 (u_longlong_t)total_found, 2396 (u_longlong_t)total_alloc, 2397 (dump_opt['L']) ? "unreachable" : "leaked", 2398 (longlong_t)(total_alloc - total_found)); 2399 leaks = 1; 2400 } 2401 2402 if (tzb->zb_count == 0) 2403 return (2); 2404 2405 (void) printf("\n"); 2406 (void) printf("\tbp count: %10llu\n", 2407 (u_longlong_t)tzb->zb_count); 2408 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2409 (u_longlong_t)tzb->zb_lsize, 2410 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2411 (void) printf("\tbp physical: %10llu avg:" 2412 " %6llu compression: %6.2f\n", 2413 (u_longlong_t)tzb->zb_psize, 2414 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2415 (double)tzb->zb_lsize / tzb->zb_psize); 2416 (void) printf("\tbp allocated: %10llu avg:" 2417 " %6llu compression: %6.2f\n", 2418 (u_longlong_t)tzb->zb_asize, 2419 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2420 (double)tzb->zb_lsize / tzb->zb_asize); 2421 (void) printf("\tbp deduped: %10llu ref>1:" 2422 " %6llu deduplication: %6.2f\n", 2423 (u_longlong_t)zcb.zcb_dedup_asize, 2424 (u_longlong_t)zcb.zcb_dedup_blocks, 2425 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2426 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2427 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2428 2429 if (dump_opt['b'] >= 2) { 2430 int l, t, level; 2431 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2432 "\t avg\t comp\t%%Total\tType\n"); 2433 2434 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2435 char csize[32], lsize[32], psize[32], asize[32]; 2436 char avg[32]; 2437 char *typename; 2438 2439 if (t < DMU_OT_NUMTYPES) 2440 typename = dmu_ot[t].ot_name; 2441 else 2442 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2443 2444 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2445 (void) printf("%6s\t%5s\t%5s\t%5s" 2446 "\t%5s\t%5s\t%6s\t%s\n", 2447 "-", 2448 "-", 2449 "-", 2450 "-", 2451 "-", 2452 "-", 2453 "-", 2454 typename); 2455 continue; 2456 } 2457 2458 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2459 level = (l == -1 ? ZB_TOTAL : l); 2460 zb = &zcb.zcb_type[level][t]; 2461 2462 if (zb->zb_asize == 0) 2463 continue; 2464 2465 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2466 continue; 2467 2468 if (level == 0 && zb->zb_asize == 2469 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2470 continue; 2471 2472 zdb_nicenum(zb->zb_count, csize); 2473 zdb_nicenum(zb->zb_lsize, lsize); 2474 zdb_nicenum(zb->zb_psize, psize); 2475 zdb_nicenum(zb->zb_asize, asize); 2476 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2477 2478 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2479 "\t%5.2f\t%6.2f\t", 2480 csize, lsize, psize, asize, avg, 2481 (double)zb->zb_lsize / zb->zb_psize, 2482 100.0 * zb->zb_asize / tzb->zb_asize); 2483 2484 if (level == ZB_TOTAL) 2485 (void) printf("%s\n", typename); 2486 else 2487 (void) printf(" L%d %s\n", 2488 level, typename); 2489 } 2490 } 2491 } 2492 2493 (void) printf("\n"); 2494 2495 if (leaks) 2496 return (2); 2497 2498 if (zcb.zcb_haderrors) 2499 return (3); 2500 2501 return (0); 2502 } 2503 2504 typedef struct zdb_ddt_entry { 2505 ddt_key_t zdde_key; 2506 uint64_t zdde_ref_blocks; 2507 uint64_t zdde_ref_lsize; 2508 uint64_t zdde_ref_psize; 2509 uint64_t zdde_ref_dsize; 2510 avl_node_t zdde_node; 2511 } zdb_ddt_entry_t; 2512 2513 /* ARGSUSED */ 2514 static int 2515 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2516 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2517 { 2518 avl_tree_t *t = arg; 2519 avl_index_t where; 2520 zdb_ddt_entry_t *zdde, zdde_search; 2521 2522 if (bp == NULL) 2523 return (0); 2524 2525 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2526 (void) printf("traversing objset %llu, %llu objects, " 2527 "%lu blocks so far\n", 2528 (u_longlong_t)zb->zb_objset, 2529 (u_longlong_t)bp->blk_fill, 2530 avl_numnodes(t)); 2531 } 2532 2533 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2534 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 2535 return (0); 2536 2537 ddt_key_fill(&zdde_search.zdde_key, bp); 2538 2539 zdde = avl_find(t, &zdde_search, &where); 2540 2541 if (zdde == NULL) { 2542 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2543 zdde->zdde_key = zdde_search.zdde_key; 2544 avl_insert(t, zdde, where); 2545 } 2546 2547 zdde->zdde_ref_blocks += 1; 2548 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2549 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2550 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2551 2552 return (0); 2553 } 2554 2555 static void 2556 dump_simulated_ddt(spa_t *spa) 2557 { 2558 avl_tree_t t; 2559 void *cookie = NULL; 2560 zdb_ddt_entry_t *zdde; 2561 ddt_histogram_t ddh_total = { 0 }; 2562 ddt_stat_t dds_total = { 0 }; 2563 2564 avl_create(&t, ddt_entry_compare, 2565 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2566 2567 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2568 2569 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2570 zdb_ddt_add_cb, &t); 2571 2572 spa_config_exit(spa, SCL_CONFIG, FTAG); 2573 2574 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2575 ddt_stat_t dds; 2576 uint64_t refcnt = zdde->zdde_ref_blocks; 2577 ASSERT(refcnt != 0); 2578 2579 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2580 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2581 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2582 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2583 2584 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2585 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2586 dds.dds_ref_psize = zdde->zdde_ref_psize; 2587 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2588 2589 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2590 2591 umem_free(zdde, sizeof (*zdde)); 2592 } 2593 2594 avl_destroy(&t); 2595 2596 ddt_histogram_stat(&dds_total, &ddh_total); 2597 2598 (void) printf("Simulated DDT histogram:\n"); 2599 2600 zpool_dump_ddt(&dds_total, &ddh_total); 2601 2602 dump_dedup_ratio(&dds_total); 2603 } 2604 2605 static void 2606 dump_zpool(spa_t *spa) 2607 { 2608 dsl_pool_t *dp = spa_get_dsl(spa); 2609 int rc = 0; 2610 2611 if (dump_opt['S']) { 2612 dump_simulated_ddt(spa); 2613 return; 2614 } 2615 2616 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2617 (void) printf("\nCached configuration:\n"); 2618 dump_nvlist(spa->spa_config, 8); 2619 } 2620 2621 if (dump_opt['C']) 2622 dump_config(spa); 2623 2624 if (dump_opt['u']) 2625 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2626 2627 if (dump_opt['D']) 2628 dump_all_ddts(spa); 2629 2630 if (dump_opt['d'] > 2 || dump_opt['m']) 2631 dump_metaslabs(spa); 2632 2633 if (dump_opt['d'] || dump_opt['i']) { 2634 dump_dir(dp->dp_meta_objset); 2635 if (dump_opt['d'] >= 3) { 2636 dump_bpobj(&spa->spa_deferred_bpobj, 2637 "Deferred frees", 0); 2638 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2639 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2640 "Pool snapshot frees", 0); 2641 } 2642 2643 if (spa_feature_is_active(spa, 2644 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) { 2645 dump_bptree(spa->spa_meta_objset, 2646 spa->spa_dsl_pool->dp_bptree_obj, 2647 "Pool dataset frees"); 2648 } 2649 dump_dtl(spa->spa_root_vdev, 0); 2650 } 2651 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2652 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2653 } 2654 if (dump_opt['b'] || dump_opt['c']) 2655 rc = dump_block_stats(spa); 2656 2657 if (dump_opt['s']) 2658 show_pool_stats(spa); 2659 2660 if (dump_opt['h']) 2661 dump_history(spa); 2662 2663 if (rc != 0) 2664 exit(rc); 2665 } 2666 2667 #define ZDB_FLAG_CHECKSUM 0x0001 2668 #define ZDB_FLAG_DECOMPRESS 0x0002 2669 #define ZDB_FLAG_BSWAP 0x0004 2670 #define ZDB_FLAG_GBH 0x0008 2671 #define ZDB_FLAG_INDIRECT 0x0010 2672 #define ZDB_FLAG_PHYS 0x0020 2673 #define ZDB_FLAG_RAW 0x0040 2674 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2675 2676 int flagbits[256]; 2677 2678 static void 2679 zdb_print_blkptr(blkptr_t *bp, int flags) 2680 { 2681 char blkbuf[BP_SPRINTF_LEN]; 2682 2683 if (flags & ZDB_FLAG_BSWAP) 2684 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2685 2686 sprintf_blkptr(blkbuf, bp); 2687 (void) printf("%s\n", blkbuf); 2688 } 2689 2690 static void 2691 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2692 { 2693 int i; 2694 2695 for (i = 0; i < nbps; i++) 2696 zdb_print_blkptr(&bp[i], flags); 2697 } 2698 2699 static void 2700 zdb_dump_gbh(void *buf, int flags) 2701 { 2702 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2703 } 2704 2705 static void 2706 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2707 { 2708 if (flags & ZDB_FLAG_BSWAP) 2709 byteswap_uint64_array(buf, size); 2710 (void) write(1, buf, size); 2711 } 2712 2713 static void 2714 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2715 { 2716 uint64_t *d = (uint64_t *)buf; 2717 int nwords = size / sizeof (uint64_t); 2718 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2719 int i, j; 2720 char *hdr, *c; 2721 2722 2723 if (do_bswap) 2724 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2725 else 2726 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2727 2728 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2729 2730 for (i = 0; i < nwords; i += 2) { 2731 (void) printf("%06llx: %016llx %016llx ", 2732 (u_longlong_t)(i * sizeof (uint64_t)), 2733 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2734 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2735 2736 c = (char *)&d[i]; 2737 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2738 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2739 (void) printf("\n"); 2740 } 2741 } 2742 2743 /* 2744 * There are two acceptable formats: 2745 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2746 * child[.child]* - For example: 0.1.1 2747 * 2748 * The second form can be used to specify arbitrary vdevs anywhere 2749 * in the heirarchy. For example, in a pool with a mirror of 2750 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2751 */ 2752 static vdev_t * 2753 zdb_vdev_lookup(vdev_t *vdev, char *path) 2754 { 2755 char *s, *p, *q; 2756 int i; 2757 2758 if (vdev == NULL) 2759 return (NULL); 2760 2761 /* First, assume the x.x.x.x format */ 2762 i = (int)strtoul(path, &s, 10); 2763 if (s == path || (s && *s != '.' && *s != '\0')) 2764 goto name; 2765 if (i < 0 || i >= vdev->vdev_children) 2766 return (NULL); 2767 2768 vdev = vdev->vdev_child[i]; 2769 if (*s == '\0') 2770 return (vdev); 2771 return (zdb_vdev_lookup(vdev, s+1)); 2772 2773 name: 2774 for (i = 0; i < vdev->vdev_children; i++) { 2775 vdev_t *vc = vdev->vdev_child[i]; 2776 2777 if (vc->vdev_path == NULL) { 2778 vc = zdb_vdev_lookup(vc, path); 2779 if (vc == NULL) 2780 continue; 2781 else 2782 return (vc); 2783 } 2784 2785 p = strrchr(vc->vdev_path, '/'); 2786 p = p ? p + 1 : vc->vdev_path; 2787 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2788 2789 if (strcmp(vc->vdev_path, path) == 0) 2790 return (vc); 2791 if (strcmp(p, path) == 0) 2792 return (vc); 2793 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2794 return (vc); 2795 } 2796 2797 return (NULL); 2798 } 2799 2800 /* 2801 * Read a block from a pool and print it out. The syntax of the 2802 * block descriptor is: 2803 * 2804 * pool:vdev_specifier:offset:size[:flags] 2805 * 2806 * pool - The name of the pool you wish to read from 2807 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2808 * offset - offset, in hex, in bytes 2809 * size - Amount of data to read, in hex, in bytes 2810 * flags - A string of characters specifying options 2811 * b: Decode a blkptr at given offset within block 2812 * *c: Calculate and display checksums 2813 * d: Decompress data before dumping 2814 * e: Byteswap data before dumping 2815 * g: Display data as a gang block header 2816 * i: Display as an indirect block 2817 * p: Do I/O to physical offset 2818 * r: Dump raw data to stdout 2819 * 2820 * * = not yet implemented 2821 */ 2822 static void 2823 zdb_read_block(char *thing, spa_t *spa) 2824 { 2825 blkptr_t blk, *bp = &blk; 2826 dva_t *dva = bp->blk_dva; 2827 int flags = 0; 2828 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2829 zio_t *zio; 2830 vdev_t *vd; 2831 void *pbuf, *lbuf, *buf; 2832 char *s, *p, *dup, *vdev, *flagstr; 2833 int i, error; 2834 2835 dup = strdup(thing); 2836 s = strtok(dup, ":"); 2837 vdev = s ? s : ""; 2838 s = strtok(NULL, ":"); 2839 offset = strtoull(s ? s : "", NULL, 16); 2840 s = strtok(NULL, ":"); 2841 size = strtoull(s ? s : "", NULL, 16); 2842 s = strtok(NULL, ":"); 2843 flagstr = s ? s : ""; 2844 2845 s = NULL; 2846 if (size == 0) 2847 s = "size must not be zero"; 2848 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2849 s = "size must be a multiple of sector size"; 2850 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2851 s = "offset must be a multiple of sector size"; 2852 if (s) { 2853 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2854 free(dup); 2855 return; 2856 } 2857 2858 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2859 for (i = 0; flagstr[i]; i++) { 2860 int bit = flagbits[(uchar_t)flagstr[i]]; 2861 2862 if (bit == 0) { 2863 (void) printf("***Invalid flag: %c\n", 2864 flagstr[i]); 2865 continue; 2866 } 2867 flags |= bit; 2868 2869 /* If it's not something with an argument, keep going */ 2870 if ((bit & (ZDB_FLAG_CHECKSUM | 2871 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2872 continue; 2873 2874 p = &flagstr[i + 1]; 2875 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2876 blkptr_offset = strtoull(p, &p, 16); 2877 if (*p != ':' && *p != '\0') { 2878 (void) printf("***Invalid flag arg: '%s'\n", s); 2879 free(dup); 2880 return; 2881 } 2882 } 2883 } 2884 2885 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2886 if (vd == NULL) { 2887 (void) printf("***Invalid vdev: %s\n", vdev); 2888 free(dup); 2889 return; 2890 } else { 2891 if (vd->vdev_path) 2892 (void) fprintf(stderr, "Found vdev: %s\n", 2893 vd->vdev_path); 2894 else 2895 (void) fprintf(stderr, "Found vdev type: %s\n", 2896 vd->vdev_ops->vdev_op_type); 2897 } 2898 2899 psize = size; 2900 lsize = size; 2901 2902 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2903 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2904 2905 BP_ZERO(bp); 2906 2907 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2908 DVA_SET_OFFSET(&dva[0], offset); 2909 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2910 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2911 2912 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2913 2914 BP_SET_LSIZE(bp, lsize); 2915 BP_SET_PSIZE(bp, psize); 2916 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2917 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2918 BP_SET_TYPE(bp, DMU_OT_NONE); 2919 BP_SET_LEVEL(bp, 0); 2920 BP_SET_DEDUP(bp, 0); 2921 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2922 2923 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2924 zio = zio_root(spa, NULL, NULL, 0); 2925 2926 if (vd == vd->vdev_top) { 2927 /* 2928 * Treat this as a normal block read. 2929 */ 2930 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2931 ZIO_PRIORITY_SYNC_READ, 2932 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2933 } else { 2934 /* 2935 * Treat this as a vdev child I/O. 2936 */ 2937 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2938 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2939 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2940 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2941 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2942 } 2943 2944 error = zio_wait(zio); 2945 spa_config_exit(spa, SCL_STATE, FTAG); 2946 2947 if (error) { 2948 (void) printf("Read of %s failed, error: %d\n", thing, error); 2949 goto out; 2950 } 2951 2952 if (flags & ZDB_FLAG_DECOMPRESS) { 2953 /* 2954 * We don't know how the data was compressed, so just try 2955 * every decompress function at every inflated blocksize. 2956 */ 2957 enum zio_compress c; 2958 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2959 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2960 2961 bcopy(pbuf, pbuf2, psize); 2962 2963 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2964 SPA_MAXBLOCKSIZE - psize) == 0); 2965 2966 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2967 SPA_MAXBLOCKSIZE - psize) == 0); 2968 2969 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2970 lsize -= SPA_MINBLOCKSIZE) { 2971 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2972 if (zio_decompress_data(c, pbuf, lbuf, 2973 psize, lsize) == 0 && 2974 zio_decompress_data(c, pbuf2, lbuf2, 2975 psize, lsize) == 0 && 2976 bcmp(lbuf, lbuf2, lsize) == 0) 2977 break; 2978 } 2979 if (c != ZIO_COMPRESS_FUNCTIONS) 2980 break; 2981 lsize -= SPA_MINBLOCKSIZE; 2982 } 2983 2984 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2985 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2986 2987 if (lsize <= psize) { 2988 (void) printf("Decompress of %s failed\n", thing); 2989 goto out; 2990 } 2991 buf = lbuf; 2992 size = lsize; 2993 } else { 2994 buf = pbuf; 2995 size = psize; 2996 } 2997 2998 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2999 zdb_print_blkptr((blkptr_t *)(void *) 3000 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 3001 else if (flags & ZDB_FLAG_RAW) 3002 zdb_dump_block_raw(buf, size, flags); 3003 else if (flags & ZDB_FLAG_INDIRECT) 3004 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 3005 flags); 3006 else if (flags & ZDB_FLAG_GBH) 3007 zdb_dump_gbh(buf, flags); 3008 else 3009 zdb_dump_block(thing, buf, size, flags); 3010 3011 out: 3012 umem_free(pbuf, SPA_MAXBLOCKSIZE); 3013 umem_free(lbuf, SPA_MAXBLOCKSIZE); 3014 free(dup); 3015 } 3016 3017 static boolean_t 3018 pool_match(nvlist_t *cfg, char *tgt) 3019 { 3020 uint64_t v, guid = strtoull(tgt, NULL, 0); 3021 char *s; 3022 3023 if (guid != 0) { 3024 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 3025 return (v == guid); 3026 } else { 3027 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 3028 return (strcmp(s, tgt) == 0); 3029 } 3030 return (B_FALSE); 3031 } 3032 3033 static char * 3034 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 3035 { 3036 nvlist_t *pools; 3037 nvlist_t *match = NULL; 3038 char *name = NULL; 3039 char *sepp = NULL; 3040 char sep; 3041 int count = 0; 3042 importargs_t args = { 0 }; 3043 3044 args.paths = dirc; 3045 args.path = dirv; 3046 args.can_be_active = B_TRUE; 3047 3048 if ((sepp = strpbrk(*target, "/@")) != NULL) { 3049 sep = *sepp; 3050 *sepp = '\0'; 3051 } 3052 3053 pools = zpool_search_import(g_zfs, &args); 3054 3055 if (pools != NULL) { 3056 nvpair_t *elem = NULL; 3057 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3058 verify(nvpair_value_nvlist(elem, configp) == 0); 3059 if (pool_match(*configp, *target)) { 3060 count++; 3061 if (match != NULL) { 3062 /* print previously found config */ 3063 if (name != NULL) { 3064 (void) printf("%s\n", name); 3065 dump_nvlist(match, 8); 3066 name = NULL; 3067 } 3068 (void) printf("%s\n", 3069 nvpair_name(elem)); 3070 dump_nvlist(*configp, 8); 3071 } else { 3072 match = *configp; 3073 name = nvpair_name(elem); 3074 } 3075 } 3076 } 3077 } 3078 if (count > 1) 3079 (void) fatal("\tMatched %d pools - use pool GUID " 3080 "instead of pool name or \n" 3081 "\tpool name part of a dataset name to select pool", count); 3082 3083 if (sepp) 3084 *sepp = sep; 3085 /* 3086 * If pool GUID was specified for pool id, replace it with pool name 3087 */ 3088 if (name && (strstr(*target, name) != *target)) { 3089 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3090 3091 *target = umem_alloc(sz, UMEM_NOFAIL); 3092 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3093 } 3094 3095 *configp = name ? match : NULL; 3096 3097 return (name); 3098 } 3099 3100 int 3101 main(int argc, char **argv) 3102 { 3103 int i, c; 3104 struct rlimit rl = { 1024, 1024 }; 3105 spa_t *spa = NULL; 3106 objset_t *os = NULL; 3107 int dump_all = 1; 3108 int verbose = 0; 3109 int error = 0; 3110 char **searchdirs = NULL; 3111 int nsearch = 0; 3112 char *target; 3113 nvlist_t *policy = NULL; 3114 uint64_t max_txg = UINT64_MAX; 3115 int rewind = ZPOOL_NEVER_REWIND; 3116 3117 (void) setrlimit(RLIMIT_NOFILE, &rl); 3118 (void) enable_extended_FILE_stdio(-1, -1); 3119 3120 dprintf_setup(&argc, argv); 3121 3122 while ((c = getopt(argc, argv, "bcdhilmM:suCDRSAFLXevp:t:U:P")) != -1) { 3123 switch (c) { 3124 case 'b': 3125 case 'c': 3126 case 'd': 3127 case 'h': 3128 case 'i': 3129 case 'l': 3130 case 'm': 3131 case 's': 3132 case 'u': 3133 case 'C': 3134 case 'D': 3135 case 'R': 3136 case 'S': 3137 dump_opt[c]++; 3138 dump_all = 0; 3139 break; 3140 case 'A': 3141 case 'F': 3142 case 'L': 3143 case 'X': 3144 case 'e': 3145 case 'P': 3146 dump_opt[c]++; 3147 break; 3148 case 'v': 3149 verbose++; 3150 break; 3151 case 'M': 3152 max_inflight = strtoull(optarg, NULL, 0); 3153 if (max_inflight == 0) { 3154 (void) fprintf(stderr, "maximum number " 3155 "of inflight I/Os must be greater " 3156 "than 0\n"); 3157 usage(); 3158 } 3159 break; 3160 case 'p': 3161 if (searchdirs == NULL) { 3162 searchdirs = umem_alloc(sizeof (char *), 3163 UMEM_NOFAIL); 3164 } else { 3165 char **tmp = umem_alloc((nsearch + 1) * 3166 sizeof (char *), UMEM_NOFAIL); 3167 bcopy(searchdirs, tmp, nsearch * 3168 sizeof (char *)); 3169 umem_free(searchdirs, 3170 nsearch * sizeof (char *)); 3171 searchdirs = tmp; 3172 } 3173 searchdirs[nsearch++] = optarg; 3174 break; 3175 case 't': 3176 max_txg = strtoull(optarg, NULL, 0); 3177 if (max_txg < TXG_INITIAL) { 3178 (void) fprintf(stderr, "incorrect txg " 3179 "specified: %s\n", optarg); 3180 usage(); 3181 } 3182 break; 3183 case 'U': 3184 spa_config_path = optarg; 3185 break; 3186 default: 3187 usage(); 3188 break; 3189 } 3190 } 3191 3192 if (!dump_opt['e'] && searchdirs != NULL) { 3193 (void) fprintf(stderr, "-p option requires use of -e\n"); 3194 usage(); 3195 } 3196 3197 kernel_init(FREAD); 3198 g_zfs = libzfs_init(); 3199 ASSERT(g_zfs != NULL); 3200 3201 if (dump_all) 3202 verbose = MAX(verbose, 1); 3203 3204 for (c = 0; c < 256; c++) { 3205 if (dump_all && !strchr("elAFLRSXP", c)) 3206 dump_opt[c] = 1; 3207 if (dump_opt[c]) 3208 dump_opt[c] += verbose; 3209 } 3210 3211 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3212 zfs_recover = (dump_opt['A'] > 1); 3213 3214 argc -= optind; 3215 argv += optind; 3216 3217 if (argc < 2 && dump_opt['R']) 3218 usage(); 3219 if (argc < 1) { 3220 if (!dump_opt['e'] && dump_opt['C']) { 3221 dump_cachefile(spa_config_path); 3222 return (0); 3223 } 3224 usage(); 3225 } 3226 3227 if (dump_opt['l']) { 3228 dump_label(argv[0]); 3229 return (0); 3230 } 3231 3232 if (dump_opt['X'] || dump_opt['F']) 3233 rewind = ZPOOL_DO_REWIND | 3234 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3235 3236 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3237 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3238 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3239 fatal("internal error: %s", strerror(ENOMEM)); 3240 3241 error = 0; 3242 target = argv[0]; 3243 3244 if (dump_opt['e']) { 3245 nvlist_t *cfg = NULL; 3246 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3247 3248 error = ENOENT; 3249 if (name) { 3250 if (dump_opt['C'] > 1) { 3251 (void) printf("\nConfiguration for import:\n"); 3252 dump_nvlist(cfg, 8); 3253 } 3254 if (nvlist_add_nvlist(cfg, 3255 ZPOOL_REWIND_POLICY, policy) != 0) { 3256 fatal("can't open '%s': %s", 3257 target, strerror(ENOMEM)); 3258 } 3259 if ((error = spa_import(name, cfg, NULL, 3260 ZFS_IMPORT_MISSING_LOG)) != 0) { 3261 error = spa_import(name, cfg, NULL, 3262 ZFS_IMPORT_VERBATIM); 3263 } 3264 } 3265 } 3266 3267 if (error == 0) { 3268 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3269 error = spa_open_rewind(target, &spa, FTAG, policy, 3270 NULL); 3271 if (error) { 3272 /* 3273 * If we're missing the log device then 3274 * try opening the pool after clearing the 3275 * log state. 3276 */ 3277 mutex_enter(&spa_namespace_lock); 3278 if ((spa = spa_lookup(target)) != NULL && 3279 spa->spa_log_state == SPA_LOG_MISSING) { 3280 spa->spa_log_state = SPA_LOG_CLEAR; 3281 error = 0; 3282 } 3283 mutex_exit(&spa_namespace_lock); 3284 3285 if (!error) { 3286 error = spa_open_rewind(target, &spa, 3287 FTAG, policy, NULL); 3288 } 3289 } 3290 } else { 3291 error = dmu_objset_own(target, DMU_OST_ANY, 3292 B_TRUE, FTAG, &os); 3293 } 3294 } 3295 nvlist_free(policy); 3296 3297 if (error) 3298 fatal("can't open '%s': %s", target, strerror(error)); 3299 3300 argv++; 3301 argc--; 3302 if (!dump_opt['R']) { 3303 if (argc > 0) { 3304 zopt_objects = argc; 3305 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3306 for (i = 0; i < zopt_objects; i++) { 3307 errno = 0; 3308 zopt_object[i] = strtoull(argv[i], NULL, 0); 3309 if (zopt_object[i] == 0 && errno != 0) 3310 fatal("bad number %s: %s", 3311 argv[i], strerror(errno)); 3312 } 3313 } 3314 if (os != NULL) { 3315 dump_dir(os); 3316 } else if (zopt_objects > 0 && !dump_opt['m']) { 3317 dump_dir(spa->spa_meta_objset); 3318 } else { 3319 dump_zpool(spa); 3320 } 3321 } else { 3322 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3323 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3324 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3325 flagbits['e'] = ZDB_FLAG_BSWAP; 3326 flagbits['g'] = ZDB_FLAG_GBH; 3327 flagbits['i'] = ZDB_FLAG_INDIRECT; 3328 flagbits['p'] = ZDB_FLAG_PHYS; 3329 flagbits['r'] = ZDB_FLAG_RAW; 3330 3331 for (i = 0; i < argc; i++) 3332 zdb_read_block(argv[i], spa); 3333 } 3334 3335 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3336 3337 fuid_table_destroy(); 3338 sa_loaded = B_FALSE; 3339 3340 libzfs_fini(g_zfs); 3341 kernel_fini(); 3342 3343 return (0); 3344 } 3345