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.
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.
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]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
29 #include <stdio_ext.h>
32 #include <sys/zfs_context.h>
34 #include <sys/spa_impl.h>
37 #include <sys/fs/zfs.h>
38 #include <sys/zfs_znode.h>
39 #include <sys/zfs_sa.h>
41 #include <sys/sa_impl.h>
43 #include <sys/vdev_impl.h>
44 #include <sys/metaslab_impl.h>
45 #include <sys/dmu_objset.h>
46 #include <sys/dsl_dir.h>
47 #include <sys/dsl_dataset.h>
48 #include <sys/dsl_pool.h>
51 #include <sys/zil_impl.h>
53 #include <sys/resource.h>
54 #include <sys/dmu_traverse.h>
55 #include <sys/zio_checksum.h>
56 #include <sys/zio_compress.h>
57 #include <sys/zfs_fuid.h>
60 #include <sys/zfeature.h>
61 #include <zfs_comutil.h>
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))
77 extern int zfs_recover
;
78 extern uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
81 uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
84 const char cmdname
[] = "zdb";
85 uint8_t dump_opt
[256];
87 typedef void object_viewer_t(objset_t
*, uint64_t, void *data
, size_t size
);
89 extern void dump_intent_log(zilog_t
*);
90 uint64_t *zopt_object
= NULL
;
92 libzfs_handle_t
*g_zfs
;
93 uint64_t max_inflight
= 1000;
96 * These libumem hooks provide a reasonable set of defaults for the allocator's
97 * debugging facilities.
100 _umem_debug_init(void)
102 return ("default,verbose"); /* $UMEM_DEBUG setting */
106 _umem_logging_init(void)
108 return ("fail,contents"); /* $UMEM_LOGGING setting */
114 (void) fprintf(stderr
,
115 "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
116 "[-U config] [-I inflight I/Os] poolname [object...]\n"
117 " %s [-divPA] [-e -p path...] [-U config] dataset "
119 " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] "
120 "poolname [vdev [metaslab...]]\n"
121 " %s -R [-A] [-e [-p path...]] poolname "
122 "vdev:offset:size[:flags]\n"
123 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n"
124 " %s -l [-uA] device\n"
125 " %s -C [-A] [-U config]\n\n",
126 cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
);
128 (void) fprintf(stderr
, " Dataset name must include at least one "
129 "separator character '/' or '@'\n");
130 (void) fprintf(stderr
, " If dataset name is specified, only that "
131 "dataset is dumped\n");
132 (void) fprintf(stderr
, " If object numbers are specified, only "
133 "those objects are dumped\n\n");
134 (void) fprintf(stderr
, " Options to control amount of output:\n");
135 (void) fprintf(stderr
, " -u uberblock\n");
136 (void) fprintf(stderr
, " -d dataset(s)\n");
137 (void) fprintf(stderr
, " -i intent logs\n");
138 (void) fprintf(stderr
, " -C config (or cachefile if alone)\n");
139 (void) fprintf(stderr
, " -h pool history\n");
140 (void) fprintf(stderr
, " -b block statistics\n");
141 (void) fprintf(stderr
, " -m metaslabs\n");
142 (void) fprintf(stderr
, " -M metaslab groups\n");
143 (void) fprintf(stderr
, " -c checksum all metadata (twice for "
144 "all data) blocks\n");
145 (void) fprintf(stderr
, " -s report stats on zdb's I/O\n");
146 (void) fprintf(stderr
, " -D dedup statistics\n");
147 (void) fprintf(stderr
, " -S simulate dedup to measure effect\n");
148 (void) fprintf(stderr
, " -v verbose (applies to all others)\n");
149 (void) fprintf(stderr
, " -l dump label contents\n");
150 (void) fprintf(stderr
, " -L disable leak tracking (do not "
151 "load spacemaps)\n");
152 (void) fprintf(stderr
, " -R read and display block from a "
154 (void) fprintf(stderr
, " Below options are intended for use "
155 "with other options (except -l):\n");
156 (void) fprintf(stderr
, " -A ignore assertions (-A), enable "
157 "panic recovery (-AA) or both (-AAA)\n");
158 (void) fprintf(stderr
, " -F attempt automatic rewind within "
159 "safe range of transaction groups\n");
160 (void) fprintf(stderr
, " -U <cachefile_path> -- use alternate "
162 (void) fprintf(stderr
, " -X attempt extreme rewind (does not "
163 "work with dataset)\n");
164 (void) fprintf(stderr
, " -e pool is exported/destroyed/"
165 "has altroot/not in a cachefile\n");
166 (void) fprintf(stderr
, " -p <path> -- use one or more with "
167 "-e to specify path to vdev dir\n");
168 (void) fprintf(stderr
, " -P print numbers in parseable form\n");
169 (void) fprintf(stderr
, " -t <txg> -- highest txg to use when "
170 "searching for uberblocks\n");
171 (void) fprintf(stderr
, " -I <number of inflight I/Os> -- "
172 "specify the maximum number of checksumming I/Os "
173 "[default is 200]\n");
174 (void) fprintf(stderr
, "Specify an option more than once (e.g. -bb) "
175 "to make only that option verbose\n");
176 (void) fprintf(stderr
, "Default is to dump everything non-verbosely\n");
181 * Called for usage errors that are discovered after a call to spa_open(),
182 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
186 fatal(const char *fmt
, ...)
191 (void) fprintf(stderr
, "%s: ", cmdname
);
192 (void) vfprintf(stderr
, fmt
, ap
);
194 (void) fprintf(stderr
, "\n");
201 dump_packed_nvlist(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
204 size_t nvsize
= *(uint64_t *)data
;
205 char *packed
= umem_alloc(nvsize
, UMEM_NOFAIL
);
207 VERIFY(0 == dmu_read(os
, object
, 0, nvsize
, packed
, DMU_READ_PREFETCH
));
209 VERIFY(nvlist_unpack(packed
, nvsize
, &nv
, 0) == 0);
211 umem_free(packed
, nvsize
);
220 dump_history_offsets(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
222 spa_history_phys_t
*shp
= data
;
227 (void) printf("\t\tpool_create_len = %llu\n",
228 (u_longlong_t
)shp
->sh_pool_create_len
);
229 (void) printf("\t\tphys_max_off = %llu\n",
230 (u_longlong_t
)shp
->sh_phys_max_off
);
231 (void) printf("\t\tbof = %llu\n",
232 (u_longlong_t
)shp
->sh_bof
);
233 (void) printf("\t\teof = %llu\n",
234 (u_longlong_t
)shp
->sh_eof
);
235 (void) printf("\t\trecords_lost = %llu\n",
236 (u_longlong_t
)shp
->sh_records_lost
);
240 zdb_nicenum(uint64_t num
, char *buf
)
243 (void) sprintf(buf
, "%llu", (longlong_t
)num
);
248 const char histo_stars
[] = "****************************************";
249 const int histo_width
= sizeof (histo_stars
) - 1;
252 dump_histogram(const uint64_t *histo
, int size
, int offset
)
255 int minidx
= size
- 1;
259 for (i
= 0; i
< size
; i
++) {
262 if (histo
[i
] > 0 && i
> maxidx
)
264 if (histo
[i
] > 0 && i
< minidx
)
268 if (max
< histo_width
)
271 for (i
= minidx
; i
<= maxidx
; i
++) {
272 (void) printf("\t\t\t%3u: %6llu %s\n",
273 i
+ offset
, (u_longlong_t
)histo
[i
],
274 &histo_stars
[(max
- histo
[i
]) * histo_width
/ max
]);
279 dump_zap_stats(objset_t
*os
, uint64_t object
)
284 error
= zap_get_stats(os
, object
, &zs
);
288 if (zs
.zs_ptrtbl_len
== 0) {
289 ASSERT(zs
.zs_num_blocks
== 1);
290 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
291 (u_longlong_t
)zs
.zs_blocksize
,
292 (u_longlong_t
)zs
.zs_num_entries
);
296 (void) printf("\tFat ZAP stats:\n");
298 (void) printf("\t\tPointer table:\n");
299 (void) printf("\t\t\t%llu elements\n",
300 (u_longlong_t
)zs
.zs_ptrtbl_len
);
301 (void) printf("\t\t\tzt_blk: %llu\n",
302 (u_longlong_t
)zs
.zs_ptrtbl_zt_blk
);
303 (void) printf("\t\t\tzt_numblks: %llu\n",
304 (u_longlong_t
)zs
.zs_ptrtbl_zt_numblks
);
305 (void) printf("\t\t\tzt_shift: %llu\n",
306 (u_longlong_t
)zs
.zs_ptrtbl_zt_shift
);
307 (void) printf("\t\t\tzt_blks_copied: %llu\n",
308 (u_longlong_t
)zs
.zs_ptrtbl_blks_copied
);
309 (void) printf("\t\t\tzt_nextblk: %llu\n",
310 (u_longlong_t
)zs
.zs_ptrtbl_nextblk
);
312 (void) printf("\t\tZAP entries: %llu\n",
313 (u_longlong_t
)zs
.zs_num_entries
);
314 (void) printf("\t\tLeaf blocks: %llu\n",
315 (u_longlong_t
)zs
.zs_num_leafs
);
316 (void) printf("\t\tTotal blocks: %llu\n",
317 (u_longlong_t
)zs
.zs_num_blocks
);
318 (void) printf("\t\tzap_block_type: 0x%llx\n",
319 (u_longlong_t
)zs
.zs_block_type
);
320 (void) printf("\t\tzap_magic: 0x%llx\n",
321 (u_longlong_t
)zs
.zs_magic
);
322 (void) printf("\t\tzap_salt: 0x%llx\n",
323 (u_longlong_t
)zs
.zs_salt
);
325 (void) printf("\t\tLeafs with 2^n pointers:\n");
326 dump_histogram(zs
.zs_leafs_with_2n_pointers
, ZAP_HISTOGRAM_SIZE
, 0);
328 (void) printf("\t\tBlocks with n*5 entries:\n");
329 dump_histogram(zs
.zs_blocks_with_n5_entries
, ZAP_HISTOGRAM_SIZE
, 0);
331 (void) printf("\t\tBlocks n/10 full:\n");
332 dump_histogram(zs
.zs_blocks_n_tenths_full
, ZAP_HISTOGRAM_SIZE
, 0);
334 (void) printf("\t\tEntries with n chunks:\n");
335 dump_histogram(zs
.zs_entries_using_n_chunks
, ZAP_HISTOGRAM_SIZE
, 0);
337 (void) printf("\t\tBuckets with n entries:\n");
338 dump_histogram(zs
.zs_buckets_with_n_entries
, ZAP_HISTOGRAM_SIZE
, 0);
343 dump_none(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
349 dump_unknown(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
351 (void) printf("\tUNKNOWN OBJECT TYPE\n");
356 dump_uint8(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
362 dump_uint64(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
368 dump_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
371 zap_attribute_t attr
;
375 dump_zap_stats(os
, object
);
378 for (zap_cursor_init(&zc
, os
, object
);
379 zap_cursor_retrieve(&zc
, &attr
) == 0;
380 zap_cursor_advance(&zc
)) {
381 (void) printf("\t\t%s = ", attr
.za_name
);
382 if (attr
.za_num_integers
== 0) {
386 prop
= umem_zalloc(attr
.za_num_integers
*
387 attr
.za_integer_length
, UMEM_NOFAIL
);
388 (void) zap_lookup(os
, object
, attr
.za_name
,
389 attr
.za_integer_length
, attr
.za_num_integers
, prop
);
390 if (attr
.za_integer_length
== 1) {
391 (void) printf("%s", (char *)prop
);
393 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
394 switch (attr
.za_integer_length
) {
397 ((uint16_t *)prop
)[i
]);
401 ((uint32_t *)prop
)[i
]);
404 (void) printf("%lld ",
405 (u_longlong_t
)((int64_t *)prop
)[i
]);
411 umem_free(prop
, attr
.za_num_integers
* attr
.za_integer_length
);
413 zap_cursor_fini(&zc
);
418 dump_ddt_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
420 dump_zap_stats(os
, object
);
421 /* contents are printed elsewhere, properly decoded */
426 dump_sa_attrs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
429 zap_attribute_t attr
;
431 dump_zap_stats(os
, object
);
434 for (zap_cursor_init(&zc
, os
, object
);
435 zap_cursor_retrieve(&zc
, &attr
) == 0;
436 zap_cursor_advance(&zc
)) {
437 (void) printf("\t\t%s = ", attr
.za_name
);
438 if (attr
.za_num_integers
== 0) {
442 (void) printf(" %llx : [%d:%d:%d]\n",
443 (u_longlong_t
)attr
.za_first_integer
,
444 (int)ATTR_LENGTH(attr
.za_first_integer
),
445 (int)ATTR_BSWAP(attr
.za_first_integer
),
446 (int)ATTR_NUM(attr
.za_first_integer
));
448 zap_cursor_fini(&zc
);
453 dump_sa_layouts(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
456 zap_attribute_t attr
;
457 uint16_t *layout_attrs
;
460 dump_zap_stats(os
, object
);
463 for (zap_cursor_init(&zc
, os
, object
);
464 zap_cursor_retrieve(&zc
, &attr
) == 0;
465 zap_cursor_advance(&zc
)) {
466 (void) printf("\t\t%s = [", attr
.za_name
);
467 if (attr
.za_num_integers
== 0) {
472 VERIFY(attr
.za_integer_length
== 2);
473 layout_attrs
= umem_zalloc(attr
.za_num_integers
*
474 attr
.za_integer_length
, UMEM_NOFAIL
);
476 VERIFY(zap_lookup(os
, object
, attr
.za_name
,
477 attr
.za_integer_length
,
478 attr
.za_num_integers
, layout_attrs
) == 0);
480 for (i
= 0; i
!= attr
.za_num_integers
; i
++)
481 (void) printf(" %d ", (int)layout_attrs
[i
]);
482 (void) printf("]\n");
483 umem_free(layout_attrs
,
484 attr
.za_num_integers
* attr
.za_integer_length
);
486 zap_cursor_fini(&zc
);
491 dump_zpldir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
494 zap_attribute_t attr
;
495 const char *typenames
[] = {
496 /* 0 */ "not specified",
498 /* 2 */ "Character Device",
499 /* 3 */ "3 (invalid)",
501 /* 5 */ "5 (invalid)",
502 /* 6 */ "Block Device",
503 /* 7 */ "7 (invalid)",
504 /* 8 */ "Regular File",
505 /* 9 */ "9 (invalid)",
506 /* 10 */ "Symbolic Link",
507 /* 11 */ "11 (invalid)",
510 /* 14 */ "Event Port",
511 /* 15 */ "15 (invalid)",
514 dump_zap_stats(os
, object
);
517 for (zap_cursor_init(&zc
, os
, object
);
518 zap_cursor_retrieve(&zc
, &attr
) == 0;
519 zap_cursor_advance(&zc
)) {
520 (void) printf("\t\t%s = %lld (type: %s)\n",
521 attr
.za_name
, ZFS_DIRENT_OBJ(attr
.za_first_integer
),
522 typenames
[ZFS_DIRENT_TYPE(attr
.za_first_integer
)]);
524 zap_cursor_fini(&zc
);
528 get_dtl_refcount(vdev_t
*vd
)
533 if (vd
->vdev_ops
->vdev_op_leaf
) {
534 space_map_t
*sm
= vd
->vdev_dtl_sm
;
537 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
542 for (c
= 0; c
< vd
->vdev_children
; c
++)
543 refcount
+= get_dtl_refcount(vd
->vdev_child
[c
]);
548 get_metaslab_refcount(vdev_t
*vd
)
553 if (vd
->vdev_top
== vd
&& !vd
->vdev_removing
) {
554 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
555 space_map_t
*sm
= vd
->vdev_ms
[m
]->ms_sm
;
558 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
562 for (c
= 0; c
< vd
->vdev_children
; c
++)
563 refcount
+= get_metaslab_refcount(vd
->vdev_child
[c
]);
569 verify_spacemap_refcounts(spa_t
*spa
)
571 uint64_t expected_refcount
= 0;
572 uint64_t actual_refcount
;
574 (void) feature_get_refcount(spa
,
575 &spa_feature_table
[SPA_FEATURE_SPACEMAP_HISTOGRAM
],
577 actual_refcount
= get_dtl_refcount(spa
->spa_root_vdev
);
578 actual_refcount
+= get_metaslab_refcount(spa
->spa_root_vdev
);
580 if (expected_refcount
!= actual_refcount
) {
581 (void) printf("space map refcount mismatch: expected %lld != "
583 (longlong_t
)expected_refcount
,
584 (longlong_t
)actual_refcount
);
591 dump_spacemap(objset_t
*os
, space_map_t
*sm
)
593 uint64_t alloc
, offset
, entry
;
594 char *ddata
[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
595 "INVALID", "INVALID", "INVALID", "INVALID" };
601 * Print out the freelist entries in both encoded and decoded form.
604 for (offset
= 0; offset
< space_map_length(sm
);
605 offset
+= sizeof (entry
)) {
606 uint8_t mapshift
= sm
->sm_shift
;
608 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
609 sizeof (entry
), &entry
, DMU_READ_PREFETCH
));
610 if (SM_DEBUG_DECODE(entry
)) {
612 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
613 (u_longlong_t
)(offset
/ sizeof (entry
)),
614 ddata
[SM_DEBUG_ACTION_DECODE(entry
)],
615 (u_longlong_t
)SM_DEBUG_TXG_DECODE(entry
),
616 (u_longlong_t
)SM_DEBUG_SYNCPASS_DECODE(entry
));
618 (void) printf("\t [%6llu] %c range:"
619 " %010llx-%010llx size: %06llx\n",
620 (u_longlong_t
)(offset
/ sizeof (entry
)),
621 SM_TYPE_DECODE(entry
) == SM_ALLOC
? 'A' : 'F',
622 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
623 mapshift
) + sm
->sm_start
),
624 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
625 mapshift
) + sm
->sm_start
+
626 (SM_RUN_DECODE(entry
) << mapshift
)),
627 (u_longlong_t
)(SM_RUN_DECODE(entry
) << mapshift
));
628 if (SM_TYPE_DECODE(entry
) == SM_ALLOC
)
629 alloc
+= SM_RUN_DECODE(entry
) << mapshift
;
631 alloc
-= SM_RUN_DECODE(entry
) << mapshift
;
634 if (alloc
!= space_map_allocated(sm
)) {
635 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
636 "with space map summary (%llu)\n",
637 (u_longlong_t
)space_map_allocated(sm
), (u_longlong_t
)alloc
);
642 dump_metaslab_stats(metaslab_t
*msp
)
645 range_tree_t
*rt
= msp
->ms_tree
;
646 avl_tree_t
*t
= &msp
->ms_size_tree
;
647 int free_pct
= range_tree_space(rt
) * 100 / msp
->ms_size
;
649 zdb_nicenum(metaslab_block_maxsize(msp
), maxbuf
);
651 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
652 "segments", avl_numnodes(t
), "maxsize", maxbuf
,
653 "freepct", free_pct
);
654 (void) printf("\tIn-memory histogram:\n");
655 dump_histogram(rt
->rt_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
659 dump_metaslab(metaslab_t
*msp
)
661 vdev_t
*vd
= msp
->ms_group
->mg_vd
;
662 spa_t
*spa
= vd
->vdev_spa
;
663 space_map_t
*sm
= msp
->ms_sm
;
666 zdb_nicenum(msp
->ms_size
- space_map_allocated(sm
), freebuf
);
669 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
670 (u_longlong_t
)msp
->ms_id
, (u_longlong_t
)msp
->ms_start
,
671 (u_longlong_t
)space_map_object(sm
), freebuf
);
673 if (dump_opt
['m'] > 2 && !dump_opt
['L']) {
674 mutex_enter(&msp
->ms_lock
);
675 metaslab_load_wait(msp
);
676 if (!msp
->ms_loaded
) {
677 VERIFY0(metaslab_load(msp
));
678 range_tree_stat_verify(msp
->ms_tree
);
680 dump_metaslab_stats(msp
);
681 metaslab_unload(msp
);
682 mutex_exit(&msp
->ms_lock
);
685 if (dump_opt
['m'] > 1 && sm
!= NULL
&&
686 spa_feature_is_active(spa
, SPA_FEATURE_SPACEMAP_HISTOGRAM
)) {
688 * The space map histogram represents free space in chunks
689 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
691 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
692 (u_longlong_t
)msp
->ms_fragmentation
);
693 dump_histogram(sm
->sm_phys
->smp_histogram
,
694 SPACE_MAP_HISTOGRAM_SIZE
, sm
->sm_shift
);
697 if (dump_opt
['d'] > 5 || dump_opt
['m'] > 3) {
698 ASSERT(msp
->ms_size
== (1ULL << vd
->vdev_ms_shift
));
700 mutex_enter(&msp
->ms_lock
);
701 dump_spacemap(spa
->spa_meta_objset
, msp
->ms_sm
);
702 mutex_exit(&msp
->ms_lock
);
707 print_vdev_metaslab_header(vdev_t
*vd
)
709 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
710 (u_longlong_t
)vd
->vdev_id
,
711 "metaslabs", (u_longlong_t
)vd
->vdev_ms_count
,
712 "offset", "spacemap", "free");
713 (void) printf("\t%15s %19s %15s %10s\n",
714 "---------------", "-------------------",
715 "---------------", "-------------");
719 dump_metaslab_groups(spa_t
*spa
)
721 vdev_t
*rvd
= spa
->spa_root_vdev
;
722 metaslab_class_t
*mc
= spa_normal_class(spa
);
723 uint64_t fragmentation
;
726 metaslab_class_histogram_verify(mc
);
728 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
729 vdev_t
*tvd
= rvd
->vdev_child
[c
];
730 metaslab_group_t
*mg
= tvd
->vdev_mg
;
732 if (mg
->mg_class
!= mc
)
735 metaslab_group_histogram_verify(mg
);
736 mg
->mg_fragmentation
= metaslab_group_fragmentation(mg
);
738 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
740 (u_longlong_t
)tvd
->vdev_id
,
741 (u_longlong_t
)tvd
->vdev_ms_count
);
742 if (mg
->mg_fragmentation
== ZFS_FRAG_INVALID
) {
743 (void) printf("%3s\n", "-");
745 (void) printf("%3llu%%\n",
746 (u_longlong_t
)mg
->mg_fragmentation
);
748 dump_histogram(mg
->mg_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
751 (void) printf("\tpool %s\tfragmentation", spa_name(spa
));
752 fragmentation
= metaslab_class_fragmentation(mc
);
753 if (fragmentation
== ZFS_FRAG_INVALID
)
754 (void) printf("\t%3s\n", "-");
756 (void) printf("\t%3llu%%\n", (u_longlong_t
)fragmentation
);
757 dump_histogram(mc
->mc_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
761 dump_metaslabs(spa_t
*spa
)
763 vdev_t
*vd
, *rvd
= spa
->spa_root_vdev
;
764 uint64_t m
, c
= 0, children
= rvd
->vdev_children
;
766 (void) printf("\nMetaslabs:\n");
768 if (!dump_opt
['d'] && zopt_objects
> 0) {
772 (void) fatal("bad vdev id: %llu", (u_longlong_t
)c
);
774 if (zopt_objects
> 1) {
775 vd
= rvd
->vdev_child
[c
];
776 print_vdev_metaslab_header(vd
);
778 for (m
= 1; m
< zopt_objects
; m
++) {
779 if (zopt_object
[m
] < vd
->vdev_ms_count
)
781 vd
->vdev_ms
[zopt_object
[m
]]);
783 (void) fprintf(stderr
, "bad metaslab "
785 (u_longlong_t
)zopt_object
[m
]);
792 for (; c
< children
; c
++) {
793 vd
= rvd
->vdev_child
[c
];
794 print_vdev_metaslab_header(vd
);
796 for (m
= 0; m
< vd
->vdev_ms_count
; m
++)
797 dump_metaslab(vd
->vdev_ms
[m
]);
803 dump_dde(const ddt_t
*ddt
, const ddt_entry_t
*dde
, uint64_t index
)
805 const ddt_phys_t
*ddp
= dde
->dde_phys
;
806 const ddt_key_t
*ddk
= &dde
->dde_key
;
807 char *types
[4] = { "ditto", "single", "double", "triple" };
808 char blkbuf
[BP_SPRINTF_LEN
];
812 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
813 if (ddp
->ddp_phys_birth
== 0)
815 ddt_bp_create(ddt
->ddt_checksum
, ddk
, ddp
, &blk
);
816 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &blk
);
817 (void) printf("index %llx refcnt %llu %s %s\n",
818 (u_longlong_t
)index
, (u_longlong_t
)ddp
->ddp_refcnt
,
824 dump_dedup_ratio(const ddt_stat_t
*dds
)
826 double rL
, rP
, rD
, D
, dedup
, compress
, copies
;
828 if (dds
->dds_blocks
== 0)
831 rL
= (double)dds
->dds_ref_lsize
;
832 rP
= (double)dds
->dds_ref_psize
;
833 rD
= (double)dds
->dds_ref_dsize
;
834 D
= (double)dds
->dds_dsize
;
840 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
841 "dedup * compress / copies = %.2f\n\n",
842 dedup
, compress
, copies
, dedup
* compress
/ copies
);
846 dump_ddt(ddt_t
*ddt
, enum ddt_type type
, enum ddt_class
class)
848 char name
[DDT_NAMELEN
];
851 dmu_object_info_t doi
;
852 uint64_t count
, dspace
, mspace
;
855 error
= ddt_object_info(ddt
, type
, class, &doi
);
861 error
= ddt_object_count(ddt
, type
, class, &count
);
866 dspace
= doi
.doi_physical_blocks_512
<< 9;
867 mspace
= doi
.doi_fill_count
* doi
.doi_data_block_size
;
869 ddt_object_name(ddt
, type
, class, name
);
871 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
874 (u_longlong_t
)(dspace
/ count
),
875 (u_longlong_t
)(mspace
/ count
));
877 if (dump_opt
['D'] < 3)
880 zpool_dump_ddt(NULL
, &ddt
->ddt_histogram
[type
][class]);
882 if (dump_opt
['D'] < 4)
885 if (dump_opt
['D'] < 5 && class == DDT_CLASS_UNIQUE
)
888 (void) printf("%s contents:\n\n", name
);
890 while ((error
= ddt_object_walk(ddt
, type
, class, &walk
, &dde
)) == 0)
891 dump_dde(ddt
, &dde
, walk
);
893 ASSERT(error
== ENOENT
);
899 dump_all_ddts(spa_t
*spa
)
901 ddt_histogram_t ddh_total
;
902 ddt_stat_t dds_total
;
905 enum ddt_class
class;
907 bzero(&ddh_total
, sizeof (ddt_histogram_t
));
908 bzero(&dds_total
, sizeof (ddt_stat_t
));
910 for (c
= 0; c
< ZIO_CHECKSUM_FUNCTIONS
; c
++) {
911 ddt_t
*ddt
= spa
->spa_ddt
[c
];
912 for (type
= 0; type
< DDT_TYPES
; type
++) {
913 for (class = 0; class < DDT_CLASSES
;
915 dump_ddt(ddt
, type
, class);
920 ddt_get_dedup_stats(spa
, &dds_total
);
922 if (dds_total
.dds_blocks
== 0) {
923 (void) printf("All DDTs are empty\n");
929 if (dump_opt
['D'] > 1) {
930 (void) printf("DDT histogram (aggregated over all DDTs):\n");
931 ddt_get_dedup_histogram(spa
, &ddh_total
);
932 zpool_dump_ddt(&dds_total
, &ddh_total
);
935 dump_dedup_ratio(&dds_total
);
939 dump_dtl_seg(void *arg
, uint64_t start
, uint64_t size
)
943 (void) printf("%s [%llu,%llu) length %llu\n",
946 (u_longlong_t
)(start
+ size
),
947 (u_longlong_t
)(size
));
951 dump_dtl(vdev_t
*vd
, int indent
)
953 spa_t
*spa
= vd
->vdev_spa
;
955 char *name
[DTL_TYPES
] = { "missing", "partial", "scrub", "outage" };
959 spa_vdev_state_enter(spa
, SCL_NONE
);
960 required
= vdev_dtl_required(vd
);
961 (void) spa_vdev_state_exit(spa
, NULL
, 0);
964 (void) printf("\nDirty time logs:\n\n");
966 (void) printf("\t%*s%s [%s]\n", indent
, "",
967 vd
->vdev_path
? vd
->vdev_path
:
968 vd
->vdev_parent
? vd
->vdev_ops
->vdev_op_type
: spa_name(spa
),
969 required
? "DTL-required" : "DTL-expendable");
971 for (t
= 0; t
< DTL_TYPES
; t
++) {
972 range_tree_t
*rt
= vd
->vdev_dtl
[t
];
973 if (range_tree_space(rt
) == 0)
975 (void) snprintf(prefix
, sizeof (prefix
), "\t%*s%s",
976 indent
+ 2, "", name
[t
]);
977 mutex_enter(rt
->rt_lock
);
978 range_tree_walk(rt
, dump_dtl_seg
, prefix
);
979 mutex_exit(rt
->rt_lock
);
980 if (dump_opt
['d'] > 5 && vd
->vdev_children
== 0)
981 dump_spacemap(spa
->spa_meta_objset
,
985 for (c
= 0; c
< vd
->vdev_children
; c
++)
986 dump_dtl(vd
->vdev_child
[c
], indent
+ 4);
990 dump_history(spa_t
*spa
)
992 nvlist_t
**events
= NULL
;
993 char buf
[SPA_MAXBLOCKSIZE
];
994 uint64_t resid
, len
, off
= 0;
1000 char internalstr
[MAXPATHLEN
];
1006 if ((error
= spa_history_get(spa
, &off
, &len
, buf
)) != 0) {
1007 (void) fprintf(stderr
, "Unable to read history: "
1008 "error %d\n", error
);
1012 if (zpool_history_unpack(buf
, len
, &resid
, &events
, &num
) != 0)
1018 (void) printf("\nHistory:\n");
1019 for (i
= 0; i
< num
; i
++) {
1020 uint64_t time
, txg
, ievent
;
1022 boolean_t printed
= B_FALSE
;
1024 if (nvlist_lookup_uint64(events
[i
], ZPOOL_HIST_TIME
,
1027 if (nvlist_lookup_string(events
[i
], ZPOOL_HIST_CMD
,
1029 if (nvlist_lookup_uint64(events
[i
],
1030 ZPOOL_HIST_INT_EVENT
, &ievent
) != 0)
1032 verify(nvlist_lookup_uint64(events
[i
],
1033 ZPOOL_HIST_TXG
, &txg
) == 0);
1034 verify(nvlist_lookup_string(events
[i
],
1035 ZPOOL_HIST_INT_STR
, &intstr
) == 0);
1036 if (ievent
>= ZFS_NUM_LEGACY_HISTORY_EVENTS
)
1039 (void) snprintf(internalstr
,
1040 sizeof (internalstr
),
1041 "[internal %s txg:%lld] %s",
1042 zfs_history_event_names
[ievent
],
1043 (longlong_t
)txg
, intstr
);
1047 (void) localtime_r(&tsec
, &t
);
1048 (void) strftime(tbuf
, sizeof (tbuf
), "%F.%T", &t
);
1049 (void) printf("%s %s\n", tbuf
, cmd
);
1053 if (dump_opt
['h'] > 1) {
1055 (void) printf("unrecognized record:\n");
1056 dump_nvlist(events
[i
], 2);
1063 dump_dnode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1068 blkid2offset(const dnode_phys_t
*dnp
, const blkptr_t
*bp
,
1069 const zbookmark_phys_t
*zb
)
1072 ASSERT(zb
->zb_level
< 0);
1073 if (zb
->zb_object
== 0)
1074 return (zb
->zb_blkid
);
1075 return (zb
->zb_blkid
* BP_GET_LSIZE(bp
));
1078 ASSERT(zb
->zb_level
>= 0);
1080 return ((zb
->zb_blkid
<<
1081 (zb
->zb_level
* (dnp
->dn_indblkshift
- SPA_BLKPTRSHIFT
))) *
1082 dnp
->dn_datablkszsec
<< SPA_MINBLOCKSHIFT
);
1086 snprintf_blkptr_compact(char *blkbuf
, size_t buflen
, const blkptr_t
*bp
)
1088 const dva_t
*dva
= bp
->blk_dva
;
1089 int ndvas
= dump_opt
['d'] > 5 ? BP_GET_NDVAS(bp
) : 1;
1092 if (dump_opt
['b'] >= 6) {
1093 snprintf_blkptr(blkbuf
, buflen
, bp
);
1097 if (BP_IS_EMBEDDED(bp
)) {
1098 (void) sprintf(blkbuf
,
1099 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1100 (int)BPE_GET_ETYPE(bp
),
1101 (u_longlong_t
)BPE_GET_LSIZE(bp
),
1102 (u_longlong_t
)BPE_GET_PSIZE(bp
),
1103 (u_longlong_t
)bp
->blk_birth
);
1109 for (i
= 0; i
< ndvas
; i
++)
1110 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1111 buflen
- strlen(blkbuf
), "%llu:%llx:%llx ",
1112 (u_longlong_t
)DVA_GET_VDEV(&dva
[i
]),
1113 (u_longlong_t
)DVA_GET_OFFSET(&dva
[i
]),
1114 (u_longlong_t
)DVA_GET_ASIZE(&dva
[i
]));
1116 if (BP_IS_HOLE(bp
)) {
1117 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1118 buflen
- strlen(blkbuf
),
1120 (u_longlong_t
)BP_GET_LSIZE(bp
),
1121 (u_longlong_t
)bp
->blk_birth
);
1123 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1124 buflen
- strlen(blkbuf
),
1125 "%llxL/%llxP F=%llu B=%llu/%llu",
1126 (u_longlong_t
)BP_GET_LSIZE(bp
),
1127 (u_longlong_t
)BP_GET_PSIZE(bp
),
1128 (u_longlong_t
)BP_GET_FILL(bp
),
1129 (u_longlong_t
)bp
->blk_birth
,
1130 (u_longlong_t
)BP_PHYSICAL_BIRTH(bp
));
1135 print_indirect(blkptr_t
*bp
, const zbookmark_phys_t
*zb
,
1136 const dnode_phys_t
*dnp
)
1138 char blkbuf
[BP_SPRINTF_LEN
];
1141 if (!BP_IS_EMBEDDED(bp
)) {
1142 ASSERT3U(BP_GET_TYPE(bp
), ==, dnp
->dn_type
);
1143 ASSERT3U(BP_GET_LEVEL(bp
), ==, zb
->zb_level
);
1146 (void) printf("%16llx ", (u_longlong_t
)blkid2offset(dnp
, bp
, zb
));
1148 ASSERT(zb
->zb_level
>= 0);
1150 for (l
= dnp
->dn_nlevels
- 1; l
>= -1; l
--) {
1151 if (l
== zb
->zb_level
) {
1152 (void) printf("L%llx", (u_longlong_t
)zb
->zb_level
);
1158 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1159 (void) printf("%s\n", blkbuf
);
1163 visit_indirect(spa_t
*spa
, const dnode_phys_t
*dnp
,
1164 blkptr_t
*bp
, const zbookmark_phys_t
*zb
)
1168 if (bp
->blk_birth
== 0)
1171 print_indirect(bp
, zb
, dnp
);
1173 if (BP_GET_LEVEL(bp
) > 0 && !BP_IS_HOLE(bp
)) {
1174 uint32_t flags
= ARC_WAIT
;
1177 int epb
= BP_GET_LSIZE(bp
) >> SPA_BLKPTRSHIFT
;
1181 err
= arc_read(NULL
, spa
, bp
, arc_getbuf_func
, &buf
,
1182 ZIO_PRIORITY_ASYNC_READ
, ZIO_FLAG_CANFAIL
, &flags
, zb
);
1185 ASSERT(buf
->b_data
);
1187 /* recursively visit blocks below this */
1189 for (i
= 0; i
< epb
; i
++, cbp
++) {
1190 zbookmark_phys_t czb
;
1192 SET_BOOKMARK(&czb
, zb
->zb_objset
, zb
->zb_object
,
1194 zb
->zb_blkid
* epb
+ i
);
1195 err
= visit_indirect(spa
, dnp
, cbp
, &czb
);
1198 fill
+= BP_GET_FILL(cbp
);
1201 ASSERT3U(fill
, ==, BP_GET_FILL(bp
));
1202 (void) arc_buf_remove_ref(buf
, &buf
);
1210 dump_indirect(dnode_t
*dn
)
1212 dnode_phys_t
*dnp
= dn
->dn_phys
;
1214 zbookmark_phys_t czb
;
1216 (void) printf("Indirect blocks:\n");
1218 SET_BOOKMARK(&czb
, dmu_objset_id(dn
->dn_objset
),
1219 dn
->dn_object
, dnp
->dn_nlevels
- 1, 0);
1220 for (j
= 0; j
< dnp
->dn_nblkptr
; j
++) {
1222 (void) visit_indirect(dmu_objset_spa(dn
->dn_objset
), dnp
,
1223 &dnp
->dn_blkptr
[j
], &czb
);
1226 (void) printf("\n");
1231 dump_dsl_dir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1233 dsl_dir_phys_t
*dd
= data
;
1240 ASSERT3U(size
, >=, sizeof (dsl_dir_phys_t
));
1242 crtime
= dd
->dd_creation_time
;
1243 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1244 (void) printf("\t\thead_dataset_obj = %llu\n",
1245 (u_longlong_t
)dd
->dd_head_dataset_obj
);
1246 (void) printf("\t\tparent_dir_obj = %llu\n",
1247 (u_longlong_t
)dd
->dd_parent_obj
);
1248 (void) printf("\t\torigin_obj = %llu\n",
1249 (u_longlong_t
)dd
->dd_origin_obj
);
1250 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1251 (u_longlong_t
)dd
->dd_child_dir_zapobj
);
1252 zdb_nicenum(dd
->dd_used_bytes
, nice
);
1253 (void) printf("\t\tused_bytes = %s\n", nice
);
1254 zdb_nicenum(dd
->dd_compressed_bytes
, nice
);
1255 (void) printf("\t\tcompressed_bytes = %s\n", nice
);
1256 zdb_nicenum(dd
->dd_uncompressed_bytes
, nice
);
1257 (void) printf("\t\tuncompressed_bytes = %s\n", nice
);
1258 zdb_nicenum(dd
->dd_quota
, nice
);
1259 (void) printf("\t\tquota = %s\n", nice
);
1260 zdb_nicenum(dd
->dd_reserved
, nice
);
1261 (void) printf("\t\treserved = %s\n", nice
);
1262 (void) printf("\t\tprops_zapobj = %llu\n",
1263 (u_longlong_t
)dd
->dd_props_zapobj
);
1264 (void) printf("\t\tdeleg_zapobj = %llu\n",
1265 (u_longlong_t
)dd
->dd_deleg_zapobj
);
1266 (void) printf("\t\tflags = %llx\n",
1267 (u_longlong_t
)dd
->dd_flags
);
1270 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1271 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1282 dump_dsl_dataset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1284 dsl_dataset_phys_t
*ds
= data
;
1286 char used
[32], compressed
[32], uncompressed
[32], unique
[32];
1287 char blkbuf
[BP_SPRINTF_LEN
];
1292 ASSERT(size
== sizeof (*ds
));
1293 crtime
= ds
->ds_creation_time
;
1294 zdb_nicenum(ds
->ds_referenced_bytes
, used
);
1295 zdb_nicenum(ds
->ds_compressed_bytes
, compressed
);
1296 zdb_nicenum(ds
->ds_uncompressed_bytes
, uncompressed
);
1297 zdb_nicenum(ds
->ds_unique_bytes
, unique
);
1298 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ds
->ds_bp
);
1300 (void) printf("\t\tdir_obj = %llu\n",
1301 (u_longlong_t
)ds
->ds_dir_obj
);
1302 (void) printf("\t\tprev_snap_obj = %llu\n",
1303 (u_longlong_t
)ds
->ds_prev_snap_obj
);
1304 (void) printf("\t\tprev_snap_txg = %llu\n",
1305 (u_longlong_t
)ds
->ds_prev_snap_txg
);
1306 (void) printf("\t\tnext_snap_obj = %llu\n",
1307 (u_longlong_t
)ds
->ds_next_snap_obj
);
1308 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1309 (u_longlong_t
)ds
->ds_snapnames_zapobj
);
1310 (void) printf("\t\tnum_children = %llu\n",
1311 (u_longlong_t
)ds
->ds_num_children
);
1312 (void) printf("\t\tuserrefs_obj = %llu\n",
1313 (u_longlong_t
)ds
->ds_userrefs_obj
);
1314 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1315 (void) printf("\t\tcreation_txg = %llu\n",
1316 (u_longlong_t
)ds
->ds_creation_txg
);
1317 (void) printf("\t\tdeadlist_obj = %llu\n",
1318 (u_longlong_t
)ds
->ds_deadlist_obj
);
1319 (void) printf("\t\tused_bytes = %s\n", used
);
1320 (void) printf("\t\tcompressed_bytes = %s\n", compressed
);
1321 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed
);
1322 (void) printf("\t\tunique = %s\n", unique
);
1323 (void) printf("\t\tfsid_guid = %llu\n",
1324 (u_longlong_t
)ds
->ds_fsid_guid
);
1325 (void) printf("\t\tguid = %llu\n",
1326 (u_longlong_t
)ds
->ds_guid
);
1327 (void) printf("\t\tflags = %llx\n",
1328 (u_longlong_t
)ds
->ds_flags
);
1329 (void) printf("\t\tnext_clones_obj = %llu\n",
1330 (u_longlong_t
)ds
->ds_next_clones_obj
);
1331 (void) printf("\t\tprops_obj = %llu\n",
1332 (u_longlong_t
)ds
->ds_props_obj
);
1333 (void) printf("\t\tbp = %s\n", blkbuf
);
1338 dump_bptree_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1340 char blkbuf
[BP_SPRINTF_LEN
];
1342 if (bp
->blk_birth
!= 0) {
1343 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
1344 (void) printf("\t%s\n", blkbuf
);
1350 dump_bptree(objset_t
*os
, uint64_t obj
, char *name
)
1356 if (dump_opt
['d'] < 3)
1359 VERIFY3U(0, ==, dmu_bonus_hold(os
, obj
, FTAG
, &db
));
1361 zdb_nicenum(bt
->bt_bytes
, bytes
);
1362 (void) printf("\n %s: %llu datasets, %s\n",
1363 name
, (unsigned long long)(bt
->bt_end
- bt
->bt_begin
), bytes
);
1364 dmu_buf_rele(db
, FTAG
);
1366 if (dump_opt
['d'] < 5)
1369 (void) printf("\n");
1371 (void) bptree_iterate(os
, obj
, B_FALSE
, dump_bptree_cb
, NULL
, NULL
);
1376 dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1378 char blkbuf
[BP_SPRINTF_LEN
];
1380 ASSERT(bp
->blk_birth
!= 0);
1381 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1382 (void) printf("\t%s\n", blkbuf
);
1387 dump_bpobj(bpobj_t
*bpo
, char *name
, int indent
)
1394 if (dump_opt
['d'] < 3)
1397 zdb_nicenum(bpo
->bpo_phys
->bpo_bytes
, bytes
);
1398 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
1399 zdb_nicenum(bpo
->bpo_phys
->bpo_comp
, comp
);
1400 zdb_nicenum(bpo
->bpo_phys
->bpo_uncomp
, uncomp
);
1401 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1402 "%llu subobjs, %s (%s/%s comp)\n",
1404 (u_longlong_t
)bpo
->bpo_object
,
1405 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1406 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
1407 bytes
, comp
, uncomp
);
1409 for (i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
1413 VERIFY0(dmu_read(bpo
->bpo_os
,
1414 bpo
->bpo_phys
->bpo_subobjs
,
1415 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
1416 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
1418 (void) printf("ERROR %u while trying to open "
1420 error
, (u_longlong_t
)subobj
);
1423 dump_bpobj(&subbpo
, "subobj", indent
+ 1);
1426 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1428 (u_longlong_t
)bpo
->bpo_object
,
1429 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1433 if (dump_opt
['d'] < 5)
1438 (void) bpobj_iterate_nofree(bpo
, dump_bpobj_cb
, NULL
, NULL
);
1439 (void) printf("\n");
1444 dump_deadlist(dsl_deadlist_t
*dl
)
1446 dsl_deadlist_entry_t
*dle
;
1452 if (dump_opt
['d'] < 3)
1455 if (dl
->dl_oldfmt
) {
1456 dump_bpobj(&dl
->dl_bpobj
, "old-format deadlist", 0);
1460 zdb_nicenum(dl
->dl_phys
->dl_used
, bytes
);
1461 zdb_nicenum(dl
->dl_phys
->dl_comp
, comp
);
1462 zdb_nicenum(dl
->dl_phys
->dl_uncomp
, uncomp
);
1463 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1464 bytes
, comp
, uncomp
);
1466 if (dump_opt
['d'] < 4)
1469 (void) printf("\n");
1471 /* force the tree to be loaded */
1472 dsl_deadlist_space_range(dl
, 0, UINT64_MAX
, &unused
, &unused
, &unused
);
1474 for (dle
= avl_first(&dl
->dl_tree
); dle
;
1475 dle
= AVL_NEXT(&dl
->dl_tree
, dle
)) {
1476 if (dump_opt
['d'] >= 5) {
1478 (void) snprintf(buf
, sizeof (buf
),
1479 "mintxg %llu -> obj %llu",
1480 (longlong_t
)dle
->dle_mintxg
,
1481 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1483 dump_bpobj(&dle
->dle_bpobj
, buf
, 0);
1485 (void) printf("mintxg %llu -> obj %llu\n",
1486 (longlong_t
)dle
->dle_mintxg
,
1487 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1493 static avl_tree_t idx_tree
;
1494 static avl_tree_t domain_tree
;
1495 static boolean_t fuid_table_loaded
;
1496 static boolean_t sa_loaded
;
1497 sa_attr_type_t
*sa_attr_table
;
1500 fuid_table_destroy(void)
1502 if (fuid_table_loaded
) {
1503 zfs_fuid_table_destroy(&idx_tree
, &domain_tree
);
1504 fuid_table_loaded
= B_FALSE
;
1509 * print uid or gid information.
1510 * For normal POSIX id just the id is printed in decimal format.
1511 * For CIFS files with FUID the fuid is printed in hex followed by
1512 * the domain-rid string.
1515 print_idstr(uint64_t id
, const char *id_type
)
1517 if (FUID_INDEX(id
)) {
1520 domain
= zfs_fuid_idx_domain(&idx_tree
, FUID_INDEX(id
));
1521 (void) printf("\t%s %llx [%s-%d]\n", id_type
,
1522 (u_longlong_t
)id
, domain
, (int)FUID_RID(id
));
1524 (void) printf("\t%s %llu\n", id_type
, (u_longlong_t
)id
);
1530 dump_uidgid(objset_t
*os
, uint64_t uid
, uint64_t gid
)
1532 uint32_t uid_idx
, gid_idx
;
1534 uid_idx
= FUID_INDEX(uid
);
1535 gid_idx
= FUID_INDEX(gid
);
1537 /* Load domain table, if not already loaded */
1538 if (!fuid_table_loaded
&& (uid_idx
|| gid_idx
)) {
1541 /* first find the fuid object. It lives in the master node */
1542 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_FUID_TABLES
,
1543 8, 1, &fuid_obj
) == 0);
1544 zfs_fuid_avl_tree_create(&idx_tree
, &domain_tree
);
1545 (void) zfs_fuid_table_load(os
, fuid_obj
,
1546 &idx_tree
, &domain_tree
);
1547 fuid_table_loaded
= B_TRUE
;
1550 print_idstr(uid
, "uid");
1551 print_idstr(gid
, "gid");
1555 dump_znode_sa_xattr(sa_handle_t
*hdl
)
1558 nvpair_t
*elem
= NULL
;
1559 int sa_xattr_size
= 0;
1560 int sa_xattr_entries
= 0;
1562 char *sa_xattr_packed
;
1564 error
= sa_size(hdl
, sa_attr_table
[ZPL_DXATTR
], &sa_xattr_size
);
1565 if (error
|| sa_xattr_size
== 0)
1568 sa_xattr_packed
= malloc(sa_xattr_size
);
1569 if (sa_xattr_packed
== NULL
)
1572 error
= sa_lookup(hdl
, sa_attr_table
[ZPL_DXATTR
],
1573 sa_xattr_packed
, sa_xattr_size
);
1575 free(sa_xattr_packed
);
1579 error
= nvlist_unpack(sa_xattr_packed
, sa_xattr_size
, &sa_xattr
, 0);
1581 free(sa_xattr_packed
);
1585 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
)
1588 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
1589 sa_xattr_size
, sa_xattr_entries
);
1590 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
) {
1594 (void) printf("\t\t%s = ", nvpair_name(elem
));
1595 nvpair_value_byte_array(elem
, &value
, &cnt
);
1596 for (idx
= 0; idx
< cnt
; ++idx
) {
1597 if (isprint(value
[idx
]))
1598 (void) putchar(value
[idx
]);
1600 (void) printf("\\%3.3o", value
[idx
]);
1602 (void) putchar('\n');
1605 nvlist_free(sa_xattr
);
1606 free(sa_xattr_packed
);
1611 dump_znode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1613 char path
[MAXPATHLEN
* 2]; /* allow for xattr and failure prefix */
1615 uint64_t xattr
, rdev
, gen
;
1616 uint64_t uid
, gid
, mode
, fsize
, parent
, links
;
1618 uint64_t acctm
[2], modtm
[2], chgtm
[2], crtm
[2];
1619 time_t z_crtime
, z_atime
, z_mtime
, z_ctime
;
1620 sa_bulk_attr_t bulk
[12];
1625 uint64_t sa_attrs
= 0;
1628 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZPL_VERSION_STR
,
1629 8, 1, &version
) == 0);
1630 if (version
>= ZPL_VERSION_SA
) {
1631 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_SA_ATTRS
,
1632 8, 1, &sa_attrs
) == 0);
1634 if ((error
= sa_setup(os
, sa_attrs
, zfs_attr_table
,
1635 ZPL_END
, &sa_attr_table
)) != 0) {
1636 (void) printf("sa_setup failed errno %d, can't "
1637 "display znode contents\n", error
);
1643 if (sa_handle_get(os
, object
, NULL
, SA_HDL_PRIVATE
, &hdl
)) {
1644 (void) printf("Failed to get handle for SA znode\n");
1648 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_UID
], NULL
, &uid
, 8);
1649 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GID
], NULL
, &gid
, 8);
1650 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_LINKS
], NULL
,
1652 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GEN
], NULL
, &gen
, 8);
1653 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MODE
], NULL
,
1655 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_PARENT
],
1657 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_SIZE
], NULL
,
1659 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_ATIME
], NULL
,
1661 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MTIME
], NULL
,
1663 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CRTIME
], NULL
,
1665 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CTIME
], NULL
,
1667 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_FLAGS
], NULL
,
1670 if (sa_bulk_lookup(hdl
, bulk
, idx
)) {
1671 (void) sa_handle_destroy(hdl
);
1675 error
= zfs_obj_to_path(os
, object
, path
, sizeof (path
));
1677 (void) snprintf(path
, sizeof (path
), "\?\?\?<object#%llu>",
1678 (u_longlong_t
)object
);
1680 if (dump_opt
['d'] < 3) {
1681 (void) printf("\t%s\n", path
);
1682 (void) sa_handle_destroy(hdl
);
1686 z_crtime
= (time_t)crtm
[0];
1687 z_atime
= (time_t)acctm
[0];
1688 z_mtime
= (time_t)modtm
[0];
1689 z_ctime
= (time_t)chgtm
[0];
1691 (void) printf("\tpath %s\n", path
);
1692 dump_uidgid(os
, uid
, gid
);
1693 (void) printf("\tatime %s", ctime(&z_atime
));
1694 (void) printf("\tmtime %s", ctime(&z_mtime
));
1695 (void) printf("\tctime %s", ctime(&z_ctime
));
1696 (void) printf("\tcrtime %s", ctime(&z_crtime
));
1697 (void) printf("\tgen %llu\n", (u_longlong_t
)gen
);
1698 (void) printf("\tmode %llo\n", (u_longlong_t
)mode
);
1699 (void) printf("\tsize %llu\n", (u_longlong_t
)fsize
);
1700 (void) printf("\tparent %llu\n", (u_longlong_t
)parent
);
1701 (void) printf("\tlinks %llu\n", (u_longlong_t
)links
);
1702 (void) printf("\tpflags %llx\n", (u_longlong_t
)pflags
);
1703 if (sa_lookup(hdl
, sa_attr_table
[ZPL_XATTR
], &xattr
,
1704 sizeof (uint64_t)) == 0)
1705 (void) printf("\txattr %llu\n", (u_longlong_t
)xattr
);
1706 if (sa_lookup(hdl
, sa_attr_table
[ZPL_RDEV
], &rdev
,
1707 sizeof (uint64_t)) == 0)
1708 (void) printf("\trdev 0x%016llx\n", (u_longlong_t
)rdev
);
1709 dump_znode_sa_xattr(hdl
);
1710 sa_handle_destroy(hdl
);
1715 dump_acl(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1721 dump_dmu_objset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1725 static object_viewer_t
*object_viewer
[DMU_OT_NUMTYPES
+ 1] = {
1726 dump_none
, /* unallocated */
1727 dump_zap
, /* object directory */
1728 dump_uint64
, /* object array */
1729 dump_none
, /* packed nvlist */
1730 dump_packed_nvlist
, /* packed nvlist size */
1731 dump_none
, /* bplist */
1732 dump_none
, /* bplist header */
1733 dump_none
, /* SPA space map header */
1734 dump_none
, /* SPA space map */
1735 dump_none
, /* ZIL intent log */
1736 dump_dnode
, /* DMU dnode */
1737 dump_dmu_objset
, /* DMU objset */
1738 dump_dsl_dir
, /* DSL directory */
1739 dump_zap
, /* DSL directory child map */
1740 dump_zap
, /* DSL dataset snap map */
1741 dump_zap
, /* DSL props */
1742 dump_dsl_dataset
, /* DSL dataset */
1743 dump_znode
, /* ZFS znode */
1744 dump_acl
, /* ZFS V0 ACL */
1745 dump_uint8
, /* ZFS plain file */
1746 dump_zpldir
, /* ZFS directory */
1747 dump_zap
, /* ZFS master node */
1748 dump_zap
, /* ZFS delete queue */
1749 dump_uint8
, /* zvol object */
1750 dump_zap
, /* zvol prop */
1751 dump_uint8
, /* other uint8[] */
1752 dump_uint64
, /* other uint64[] */
1753 dump_zap
, /* other ZAP */
1754 dump_zap
, /* persistent error log */
1755 dump_uint8
, /* SPA history */
1756 dump_history_offsets
, /* SPA history offsets */
1757 dump_zap
, /* Pool properties */
1758 dump_zap
, /* DSL permissions */
1759 dump_acl
, /* ZFS ACL */
1760 dump_uint8
, /* ZFS SYSACL */
1761 dump_none
, /* FUID nvlist */
1762 dump_packed_nvlist
, /* FUID nvlist size */
1763 dump_zap
, /* DSL dataset next clones */
1764 dump_zap
, /* DSL scrub queue */
1765 dump_zap
, /* ZFS user/group used */
1766 dump_zap
, /* ZFS user/group quota */
1767 dump_zap
, /* snapshot refcount tags */
1768 dump_ddt_zap
, /* DDT ZAP object */
1769 dump_zap
, /* DDT statistics */
1770 dump_znode
, /* SA object */
1771 dump_zap
, /* SA Master Node */
1772 dump_sa_attrs
, /* SA attribute registration */
1773 dump_sa_layouts
, /* SA attribute layouts */
1774 dump_zap
, /* DSL scrub translations */
1775 dump_none
, /* fake dedup BP */
1776 dump_zap
, /* deadlist */
1777 dump_none
, /* deadlist hdr */
1778 dump_zap
, /* dsl clones */
1779 dump_none
, /* bpobj subobjs */
1780 dump_unknown
, /* Unknown type, must be last */
1784 dump_object(objset_t
*os
, uint64_t object
, int verbosity
, int *print_header
)
1786 dmu_buf_t
*db
= NULL
;
1787 dmu_object_info_t doi
;
1791 char iblk
[32], dblk
[32], lsize
[32], asize
[32], fill
[32];
1792 char bonus_size
[32];
1796 if (*print_header
) {
1797 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1798 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1804 dn
= DMU_META_DNODE(os
);
1806 error
= dmu_bonus_hold(os
, object
, FTAG
, &db
);
1808 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1810 bonus
= db
->db_data
;
1811 bsize
= db
->db_size
;
1812 dn
= DB_DNODE((dmu_buf_impl_t
*)db
);
1814 dmu_object_info_from_dnode(dn
, &doi
);
1816 zdb_nicenum(doi
.doi_metadata_block_size
, iblk
);
1817 zdb_nicenum(doi
.doi_data_block_size
, dblk
);
1818 zdb_nicenum(doi
.doi_max_offset
, lsize
);
1819 zdb_nicenum(doi
.doi_physical_blocks_512
<< 9, asize
);
1820 zdb_nicenum(doi
.doi_bonus_size
, bonus_size
);
1821 (void) sprintf(fill
, "%6.2f", 100.0 * doi
.doi_fill_count
*
1822 doi
.doi_data_block_size
/ (object
== 0 ? DNODES_PER_BLOCK
: 1) /
1823 doi
.doi_max_offset
);
1827 if (doi
.doi_checksum
!= ZIO_CHECKSUM_INHERIT
|| verbosity
>= 6) {
1828 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
), " (K=%s)",
1829 ZDB_CHECKSUM_NAME(doi
.doi_checksum
));
1832 if (doi
.doi_compress
!= ZIO_COMPRESS_INHERIT
|| verbosity
>= 6) {
1833 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
), " (Z=%s)",
1834 ZDB_COMPRESS_NAME(doi
.doi_compress
));
1837 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1838 (u_longlong_t
)object
, doi
.doi_indirection
, iblk
, dblk
,
1839 asize
, lsize
, fill
, ZDB_OT_NAME(doi
.doi_type
), aux
);
1841 if (doi
.doi_bonus_type
!= DMU_OT_NONE
&& verbosity
> 3) {
1842 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1843 "", "", "", "", "", bonus_size
, "bonus",
1844 ZDB_OT_NAME(doi
.doi_bonus_type
));
1847 if (verbosity
>= 4) {
1848 (void) printf("\tdnode flags: %s%s%s\n",
1849 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USED_BYTES
) ?
1851 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USERUSED_ACCOUNTED
) ?
1852 "USERUSED_ACCOUNTED " : "",
1853 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) ?
1854 "SPILL_BLKPTR" : "");
1855 (void) printf("\tdnode maxblkid: %llu\n",
1856 (longlong_t
)dn
->dn_phys
->dn_maxblkid
);
1858 object_viewer
[ZDB_OT_TYPE(doi
.doi_bonus_type
)](os
, object
,
1860 object_viewer
[ZDB_OT_TYPE(doi
.doi_type
)](os
, object
, NULL
, 0);
1867 if (verbosity
>= 5) {
1869 * Report the list of segments that comprise the object.
1873 uint64_t blkfill
= 1;
1876 if (dn
->dn_type
== DMU_OT_DNODE
) {
1878 blkfill
= DNODES_PER_BLOCK
;
1883 error
= dnode_next_offset(dn
,
1884 0, &start
, minlvl
, blkfill
, 0);
1888 error
= dnode_next_offset(dn
,
1889 DNODE_FIND_HOLE
, &end
, minlvl
, blkfill
, 0);
1890 zdb_nicenum(end
- start
, segsize
);
1891 (void) printf("\t\tsegment [%016llx, %016llx)"
1892 " size %5s\n", (u_longlong_t
)start
,
1893 (u_longlong_t
)end
, segsize
);
1901 dmu_buf_rele(db
, FTAG
);
1904 static char *objset_types
[DMU_OST_NUMTYPES
] = {
1905 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1908 dump_dir(objset_t
*os
)
1910 dmu_objset_stats_t dds
;
1911 uint64_t object
, object_count
;
1912 uint64_t refdbytes
, usedobjs
, scratch
;
1914 char blkbuf
[BP_SPRINTF_LEN
+ 20];
1915 char osname
[MAXNAMELEN
];
1916 char *type
= "UNKNOWN";
1917 int verbosity
= dump_opt
['d'];
1918 int print_header
= 1;
1921 dsl_pool_config_enter(dmu_objset_pool(os
), FTAG
);
1922 dmu_objset_fast_stat(os
, &dds
);
1923 dsl_pool_config_exit(dmu_objset_pool(os
), FTAG
);
1925 if (dds
.dds_type
< DMU_OST_NUMTYPES
)
1926 type
= objset_types
[dds
.dds_type
];
1928 if (dds
.dds_type
== DMU_OST_META
) {
1929 dds
.dds_creation_txg
= TXG_INITIAL
;
1930 usedobjs
= BP_GET_FILL(os
->os_rootbp
);
1931 refdbytes
= dsl_dir_phys(os
->os_spa
->spa_dsl_pool
->dp_mos_dir
)->
1934 dmu_objset_space(os
, &refdbytes
, &scratch
, &usedobjs
, &scratch
);
1937 ASSERT3U(usedobjs
, ==, BP_GET_FILL(os
->os_rootbp
));
1939 zdb_nicenum(refdbytes
, numbuf
);
1941 if (verbosity
>= 4) {
1942 (void) snprintf(blkbuf
, sizeof (blkbuf
), ", rootbp ");
1943 (void) snprintf_blkptr(blkbuf
+ strlen(blkbuf
),
1944 sizeof (blkbuf
) - strlen(blkbuf
), os
->os_rootbp
);
1949 dmu_objset_name(os
, osname
);
1951 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1952 "%s, %llu objects%s\n",
1953 osname
, type
, (u_longlong_t
)dmu_objset_id(os
),
1954 (u_longlong_t
)dds
.dds_creation_txg
,
1955 numbuf
, (u_longlong_t
)usedobjs
, blkbuf
);
1957 if (zopt_objects
!= 0) {
1958 for (i
= 0; i
< zopt_objects
; i
++)
1959 dump_object(os
, zopt_object
[i
], verbosity
,
1961 (void) printf("\n");
1965 if (dump_opt
['i'] != 0 || verbosity
>= 2)
1966 dump_intent_log(dmu_objset_zil(os
));
1968 if (dmu_objset_ds(os
) != NULL
)
1969 dump_deadlist(&dmu_objset_ds(os
)->ds_deadlist
);
1974 if (BP_IS_HOLE(os
->os_rootbp
))
1977 dump_object(os
, 0, verbosity
, &print_header
);
1979 if (DMU_USERUSED_DNODE(os
) != NULL
&&
1980 DMU_USERUSED_DNODE(os
)->dn_type
!= 0) {
1981 dump_object(os
, DMU_USERUSED_OBJECT
, verbosity
, &print_header
);
1982 dump_object(os
, DMU_GROUPUSED_OBJECT
, verbosity
, &print_header
);
1986 while ((error
= dmu_object_next(os
, &object
, B_FALSE
, 0)) == 0) {
1987 dump_object(os
, object
, verbosity
, &print_header
);
1991 ASSERT3U(object_count
, ==, usedobjs
);
1993 (void) printf("\n");
1995 if (error
!= ESRCH
) {
1996 (void) fprintf(stderr
, "dmu_object_next() = %d\n", error
);
2002 dump_uberblock(uberblock_t
*ub
, const char *header
, const char *footer
)
2004 time_t timestamp
= ub
->ub_timestamp
;
2006 (void) printf("%s", header
? header
: "");
2007 (void) printf("\tmagic = %016llx\n", (u_longlong_t
)ub
->ub_magic
);
2008 (void) printf("\tversion = %llu\n", (u_longlong_t
)ub
->ub_version
);
2009 (void) printf("\ttxg = %llu\n", (u_longlong_t
)ub
->ub_txg
);
2010 (void) printf("\tguid_sum = %llu\n", (u_longlong_t
)ub
->ub_guid_sum
);
2011 (void) printf("\ttimestamp = %llu UTC = %s",
2012 (u_longlong_t
)ub
->ub_timestamp
, asctime(localtime(×tamp
)));
2013 if (dump_opt
['u'] >= 3) {
2014 char blkbuf
[BP_SPRINTF_LEN
];
2015 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ub
->ub_rootbp
);
2016 (void) printf("\trootbp = %s\n", blkbuf
);
2018 (void) printf("%s", footer
? footer
: "");
2022 dump_config(spa_t
*spa
)
2029 error
= dmu_bonus_hold(spa
->spa_meta_objset
,
2030 spa
->spa_config_object
, FTAG
, &db
);
2033 nvsize
= *(uint64_t *)db
->db_data
;
2034 dmu_buf_rele(db
, FTAG
);
2036 (void) printf("\nMOS Configuration:\n");
2037 dump_packed_nvlist(spa
->spa_meta_objset
,
2038 spa
->spa_config_object
, (void *)&nvsize
, 1);
2040 (void) fprintf(stderr
, "dmu_bonus_hold(%llu) failed, errno %d",
2041 (u_longlong_t
)spa
->spa_config_object
, error
);
2046 dump_cachefile(const char *cachefile
)
2049 struct stat64 statbuf
;
2053 if ((fd
= open64(cachefile
, O_RDONLY
)) < 0) {
2054 (void) printf("cannot open '%s': %s\n", cachefile
,
2059 if (fstat64(fd
, &statbuf
) != 0) {
2060 (void) printf("failed to stat '%s': %s\n", cachefile
,
2065 if ((buf
= malloc(statbuf
.st_size
)) == NULL
) {
2066 (void) fprintf(stderr
, "failed to allocate %llu bytes\n",
2067 (u_longlong_t
)statbuf
.st_size
);
2071 if (read(fd
, buf
, statbuf
.st_size
) != statbuf
.st_size
) {
2072 (void) fprintf(stderr
, "failed to read %llu bytes\n",
2073 (u_longlong_t
)statbuf
.st_size
);
2079 if (nvlist_unpack(buf
, statbuf
.st_size
, &config
, 0) != 0) {
2080 (void) fprintf(stderr
, "failed to unpack nvlist\n");
2086 dump_nvlist(config
, 0);
2088 nvlist_free(config
);
2091 #define ZDB_MAX_UB_HEADER_SIZE 32
2094 dump_label_uberblocks(vdev_label_t
*lbl
, uint64_t ashift
)
2098 char header
[ZDB_MAX_UB_HEADER_SIZE
];
2101 vd
.vdev_ashift
= ashift
;
2102 vdp
->vdev_top
= vdp
;
2104 for (i
= 0; i
< VDEV_UBERBLOCK_COUNT(vdp
); i
++) {
2105 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(vdp
, i
);
2106 uberblock_t
*ub
= (void *)((char *)lbl
+ uoff
);
2108 if (uberblock_verify(ub
))
2110 (void) snprintf(header
, ZDB_MAX_UB_HEADER_SIZE
,
2111 "Uberblock[%d]\n", i
);
2112 dump_uberblock(ub
, header
, "");
2117 dump_label(const char *dev
)
2121 char *path
, *buf
= label
.vl_vdev_phys
.vp_nvlist
;
2122 size_t buflen
= sizeof (label
.vl_vdev_phys
.vp_nvlist
);
2123 struct stat64 statbuf
;
2124 uint64_t psize
, ashift
;
2125 int len
= strlen(dev
) + 1;
2128 if (strncmp(dev
, "/dev/dsk/", 9) == 0) {
2131 (void) snprintf(path
, len
, "%s%s", "/dev/rdsk/", dev
+ 9);
2136 if ((fd
= open64(path
, O_RDONLY
)) < 0) {
2137 (void) printf("cannot open '%s': %s\n", path
, strerror(errno
));
2142 if (fstat64_blk(fd
, &statbuf
) != 0) {
2143 (void) printf("failed to stat '%s': %s\n", path
,
2150 psize
= statbuf
.st_size
;
2151 psize
= P2ALIGN(psize
, (uint64_t)sizeof (vdev_label_t
));
2153 for (l
= 0; l
< VDEV_LABELS
; l
++) {
2154 nvlist_t
*config
= NULL
;
2156 (void) printf("--------------------------------------------\n");
2157 (void) printf("LABEL %d\n", l
);
2158 (void) printf("--------------------------------------------\n");
2160 if (pread64(fd
, &label
, sizeof (label
),
2161 vdev_label_offset(psize
, l
, 0)) != sizeof (label
)) {
2162 (void) printf("failed to read label %d\n", l
);
2166 if (nvlist_unpack(buf
, buflen
, &config
, 0) != 0) {
2167 (void) printf("failed to unpack label %d\n", l
);
2168 ashift
= SPA_MINBLOCKSHIFT
;
2170 nvlist_t
*vdev_tree
= NULL
;
2172 dump_nvlist(config
, 4);
2173 if ((nvlist_lookup_nvlist(config
,
2174 ZPOOL_CONFIG_VDEV_TREE
, &vdev_tree
) != 0) ||
2175 (nvlist_lookup_uint64(vdev_tree
,
2176 ZPOOL_CONFIG_ASHIFT
, &ashift
) != 0))
2177 ashift
= SPA_MINBLOCKSHIFT
;
2178 nvlist_free(config
);
2181 dump_label_uberblocks(&label
, ashift
);
2190 dump_one_dir(const char *dsname
, void *arg
)
2195 error
= dmu_objset_own(dsname
, DMU_OST_ANY
, B_TRUE
, FTAG
, &os
);
2197 (void) printf("Could not open %s, error %d\n", dsname
, error
);
2201 dmu_objset_disown(os
, FTAG
);
2202 fuid_table_destroy();
2203 sa_loaded
= B_FALSE
;
2210 #define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1)
2211 typedef struct zdb_blkstats
{
2217 uint64_t zb_ditto_samevdev
;
2218 uint64_t zb_psize_histogram
[PSIZE_HISTO_SIZE
];
2222 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2224 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2225 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2226 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2227 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2229 static char *zdb_ot_extname
[] = {
2236 #define ZB_TOTAL DN_MAX_LEVELS
2238 typedef struct zdb_cb
{
2239 zdb_blkstats_t zcb_type
[ZB_TOTAL
+ 1][ZDB_OT_TOTAL
+ 1];
2240 uint64_t zcb_dedup_asize
;
2241 uint64_t zcb_dedup_blocks
;
2242 uint64_t zcb_embedded_blocks
[NUM_BP_EMBEDDED_TYPES
];
2243 uint64_t zcb_embedded_histogram
[NUM_BP_EMBEDDED_TYPES
]
2246 uint64_t zcb_lastprint
;
2247 uint64_t zcb_totalasize
;
2248 uint64_t zcb_errors
[256];
2255 zdb_count_block(zdb_cb_t
*zcb
, zilog_t
*zilog
, const blkptr_t
*bp
,
2256 dmu_object_type_t type
)
2258 uint64_t refcnt
= 0;
2261 ASSERT(type
< ZDB_OT_TOTAL
);
2263 if (zilog
&& zil_bp_tree_add(zilog
, bp
) != 0)
2266 for (i
= 0; i
< 4; i
++) {
2267 int l
= (i
< 2) ? BP_GET_LEVEL(bp
) : ZB_TOTAL
;
2268 int t
= (i
& 1) ? type
: ZDB_OT_TOTAL
;
2270 zdb_blkstats_t
*zb
= &zcb
->zcb_type
[l
][t
];
2272 zb
->zb_asize
+= BP_GET_ASIZE(bp
);
2273 zb
->zb_lsize
+= BP_GET_LSIZE(bp
);
2274 zb
->zb_psize
+= BP_GET_PSIZE(bp
);
2276 zb
->zb_psize_histogram
[BP_GET_PSIZE(bp
) >> SPA_MINBLOCKSHIFT
]++;
2278 zb
->zb_gangs
+= BP_COUNT_GANG(bp
);
2280 switch (BP_GET_NDVAS(bp
)) {
2282 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2283 DVA_GET_VDEV(&bp
->blk_dva
[1]))
2284 zb
->zb_ditto_samevdev
++;
2287 equal
= (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2288 DVA_GET_VDEV(&bp
->blk_dva
[1])) +
2289 (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2290 DVA_GET_VDEV(&bp
->blk_dva
[2])) +
2291 (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
2292 DVA_GET_VDEV(&bp
->blk_dva
[2]));
2294 zb
->zb_ditto_samevdev
++;
2300 if (BP_IS_EMBEDDED(bp
)) {
2301 zcb
->zcb_embedded_blocks
[BPE_GET_ETYPE(bp
)]++;
2302 zcb
->zcb_embedded_histogram
[BPE_GET_ETYPE(bp
)]
2303 [BPE_GET_PSIZE(bp
)]++;
2310 if (BP_GET_DEDUP(bp
)) {
2314 ddt
= ddt_select(zcb
->zcb_spa
, bp
);
2316 dde
= ddt_lookup(ddt
, bp
, B_FALSE
);
2321 ddt_phys_t
*ddp
= ddt_phys_select(dde
, bp
);
2322 ddt_phys_decref(ddp
);
2323 refcnt
= ddp
->ddp_refcnt
;
2324 if (ddt_phys_total_refcnt(dde
) == 0)
2325 ddt_remove(ddt
, dde
);
2330 VERIFY3U(zio_wait(zio_claim(NULL
, zcb
->zcb_spa
,
2331 refcnt
? 0 : spa_first_txg(zcb
->zcb_spa
),
2332 bp
, NULL
, NULL
, ZIO_FLAG_CANFAIL
)), ==, 0);
2336 zdb_blkptr_done(zio_t
*zio
)
2338 spa_t
*spa
= zio
->io_spa
;
2339 blkptr_t
*bp
= zio
->io_bp
;
2340 int ioerr
= zio
->io_error
;
2341 zdb_cb_t
*zcb
= zio
->io_private
;
2342 zbookmark_phys_t
*zb
= &zio
->io_bookmark
;
2344 zio_data_buf_free(zio
->io_data
, zio
->io_size
);
2346 mutex_enter(&spa
->spa_scrub_lock
);
2347 spa
->spa_scrub_inflight
--;
2348 cv_broadcast(&spa
->spa_scrub_io_cv
);
2350 if (ioerr
&& !(zio
->io_flags
& ZIO_FLAG_SPECULATIVE
)) {
2351 char blkbuf
[BP_SPRINTF_LEN
];
2353 zcb
->zcb_haderrors
= 1;
2354 zcb
->zcb_errors
[ioerr
]++;
2356 if (dump_opt
['b'] >= 2)
2357 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2361 (void) printf("zdb_blkptr_cb: "
2362 "Got error %d reading "
2363 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2365 (u_longlong_t
)zb
->zb_objset
,
2366 (u_longlong_t
)zb
->zb_object
,
2367 (u_longlong_t
)zb
->zb_level
,
2368 (u_longlong_t
)zb
->zb_blkid
,
2371 mutex_exit(&spa
->spa_scrub_lock
);
2375 zdb_blkptr_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
2376 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
2378 zdb_cb_t
*zcb
= arg
;
2379 dmu_object_type_t type
;
2380 boolean_t is_metadata
;
2382 if (dump_opt
['b'] >= 5 && bp
->blk_birth
> 0) {
2383 char blkbuf
[BP_SPRINTF_LEN
];
2384 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2385 (void) printf("objset %llu object %llu "
2386 "level %lld offset 0x%llx %s\n",
2387 (u_longlong_t
)zb
->zb_objset
,
2388 (u_longlong_t
)zb
->zb_object
,
2389 (longlong_t
)zb
->zb_level
,
2390 (u_longlong_t
)blkid2offset(dnp
, bp
, zb
),
2397 type
= BP_GET_TYPE(bp
);
2399 zdb_count_block(zcb
, zilog
, bp
,
2400 (type
& DMU_OT_NEWTYPE
) ? ZDB_OT_OTHER
: type
);
2402 is_metadata
= (BP_GET_LEVEL(bp
) != 0 || DMU_OT_IS_METADATA(type
));
2404 if (!BP_IS_EMBEDDED(bp
) &&
2405 (dump_opt
['c'] > 1 || (dump_opt
['c'] && is_metadata
))) {
2406 size_t size
= BP_GET_PSIZE(bp
);
2407 void *data
= zio_data_buf_alloc(size
);
2408 int flags
= ZIO_FLAG_CANFAIL
| ZIO_FLAG_SCRUB
| ZIO_FLAG_RAW
;
2410 /* If it's an intent log block, failure is expected. */
2411 if (zb
->zb_level
== ZB_ZIL_LEVEL
)
2412 flags
|= ZIO_FLAG_SPECULATIVE
;
2414 mutex_enter(&spa
->spa_scrub_lock
);
2415 while (spa
->spa_scrub_inflight
> max_inflight
)
2416 cv_wait(&spa
->spa_scrub_io_cv
, &spa
->spa_scrub_lock
);
2417 spa
->spa_scrub_inflight
++;
2418 mutex_exit(&spa
->spa_scrub_lock
);
2420 zio_nowait(zio_read(NULL
, spa
, bp
, data
, size
,
2421 zdb_blkptr_done
, zcb
, ZIO_PRIORITY_ASYNC_READ
, flags
, zb
));
2424 zcb
->zcb_readfails
= 0;
2426 if (dump_opt
['b'] < 5 &&
2427 gethrtime() > zcb
->zcb_lastprint
+ NANOSEC
) {
2428 uint64_t now
= gethrtime();
2430 uint64_t bytes
= zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
].zb_asize
;
2432 1 + bytes
/ (1 + ((now
- zcb
->zcb_start
) / 1000 / 1000));
2434 (zcb
->zcb_totalasize
- bytes
) / 1024 / kb_per_sec
;
2436 zfs_nicenum(bytes
, buf
, sizeof (buf
));
2437 (void) fprintf(stderr
,
2438 "\r%5s completed (%4dMB/s) "
2439 "estimated time remaining: %uhr %02umin %02usec ",
2440 buf
, kb_per_sec
/ 1024,
2441 sec_remaining
/ 60 / 60,
2442 sec_remaining
/ 60 % 60,
2443 sec_remaining
% 60);
2445 zcb
->zcb_lastprint
= now
;
2452 zdb_leak(void *arg
, uint64_t start
, uint64_t size
)
2456 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2457 (u_longlong_t
)vd
->vdev_id
, (u_longlong_t
)start
, (u_longlong_t
)size
);
2460 static metaslab_ops_t zdb_metaslab_ops
= {
2465 zdb_ddt_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
2467 ddt_bookmark_t ddb
= { 0 };
2472 while ((error
= ddt_walk(spa
, &ddb
, &dde
)) == 0) {
2474 ddt_phys_t
*ddp
= dde
.dde_phys
;
2476 if (ddb
.ddb_class
== DDT_CLASS_UNIQUE
)
2479 ASSERT(ddt_phys_total_refcnt(&dde
) > 1);
2481 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
2482 if (ddp
->ddp_phys_birth
== 0)
2484 ddt_bp_create(ddb
.ddb_checksum
,
2485 &dde
.dde_key
, ddp
, &blk
);
2486 if (p
== DDT_PHYS_DITTO
) {
2487 zdb_count_block(zcb
, NULL
, &blk
, ZDB_OT_DITTO
);
2489 zcb
->zcb_dedup_asize
+=
2490 BP_GET_ASIZE(&blk
) * (ddp
->ddp_refcnt
- 1);
2491 zcb
->zcb_dedup_blocks
++;
2494 if (!dump_opt
['L']) {
2495 ddt_t
*ddt
= spa
->spa_ddt
[ddb
.ddb_checksum
];
2497 VERIFY(ddt_lookup(ddt
, &blk
, B_TRUE
) != NULL
);
2502 ASSERT(error
== ENOENT
);
2506 zdb_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
2511 if (!dump_opt
['L']) {
2512 vdev_t
*rvd
= spa
->spa_root_vdev
;
2513 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
2514 vdev_t
*vd
= rvd
->vdev_child
[c
];
2515 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
2516 metaslab_t
*msp
= vd
->vdev_ms
[m
];
2517 mutex_enter(&msp
->ms_lock
);
2518 metaslab_unload(msp
);
2521 * For leak detection, we overload the metaslab
2522 * ms_tree to contain allocated segments
2523 * instead of free segments. As a result,
2524 * we can't use the normal metaslab_load/unload
2527 if (msp
->ms_sm
!= NULL
) {
2528 (void) fprintf(stderr
,
2529 "\rloading space map for "
2530 "vdev %llu of %llu, "
2531 "metaslab %llu of %llu ...",
2533 (longlong_t
)rvd
->vdev_children
,
2535 (longlong_t
)vd
->vdev_ms_count
);
2537 msp
->ms_ops
= &zdb_metaslab_ops
;
2538 VERIFY0(space_map_load(msp
->ms_sm
,
2539 msp
->ms_tree
, SM_ALLOC
));
2540 msp
->ms_loaded
= B_TRUE
;
2542 mutex_exit(&msp
->ms_lock
);
2545 (void) fprintf(stderr
, "\n");
2548 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
2550 zdb_ddt_leak_init(spa
, zcb
);
2552 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
2556 zdb_leak_fini(spa_t
*spa
)
2560 if (!dump_opt
['L']) {
2561 vdev_t
*rvd
= spa
->spa_root_vdev
;
2562 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
2563 vdev_t
*vd
= rvd
->vdev_child
[c
];
2564 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
2565 metaslab_t
*msp
= vd
->vdev_ms
[m
];
2566 mutex_enter(&msp
->ms_lock
);
2569 * The ms_tree has been overloaded to
2570 * contain allocated segments. Now that we
2571 * finished traversing all blocks, any
2572 * block that remains in the ms_tree
2573 * represents an allocated block that we
2574 * did not claim during the traversal.
2575 * Claimed blocks would have been removed
2578 range_tree_vacate(msp
->ms_tree
, zdb_leak
, vd
);
2579 msp
->ms_loaded
= B_FALSE
;
2581 mutex_exit(&msp
->ms_lock
);
2589 count_block_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
2591 zdb_cb_t
*zcb
= arg
;
2593 if (dump_opt
['b'] >= 5) {
2594 char blkbuf
[BP_SPRINTF_LEN
];
2595 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2596 (void) printf("[%s] %s\n",
2597 "deferred free", blkbuf
);
2599 zdb_count_block(zcb
, NULL
, bp
, ZDB_OT_DEFERRED
);
2604 dump_block_stats(spa_t
*spa
)
2607 zdb_blkstats_t
*zb
, *tzb
;
2608 uint64_t norm_alloc
, norm_space
, total_alloc
, total_found
;
2609 int flags
= TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
| TRAVERSE_HARD
;
2610 boolean_t leaks
= B_FALSE
;
2612 bp_embedded_type_t i
;
2614 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
2615 (dump_opt
['c'] || !dump_opt
['L']) ? "to verify " : "",
2616 (dump_opt
['c'] == 1) ? "metadata " : "",
2617 dump_opt
['c'] ? "checksums " : "",
2618 (dump_opt
['c'] && !dump_opt
['L']) ? "and verify " : "",
2619 !dump_opt
['L'] ? "nothing leaked " : "");
2622 * Load all space maps as SM_ALLOC maps, then traverse the pool
2623 * claiming each block we discover. If the pool is perfectly
2624 * consistent, the space maps will be empty when we're done.
2625 * Anything left over is a leak; any block we can't claim (because
2626 * it's not part of any space map) is a double allocation,
2627 * reference to a freed block, or an unclaimed log block.
2629 bzero(&zcb
, sizeof (zdb_cb_t
));
2630 zdb_leak_init(spa
, &zcb
);
2633 * If there's a deferred-free bplist, process that first.
2635 (void) bpobj_iterate_nofree(&spa
->spa_deferred_bpobj
,
2636 count_block_cb
, &zcb
, NULL
);
2637 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
2638 (void) bpobj_iterate_nofree(&spa
->spa_dsl_pool
->dp_free_bpobj
,
2639 count_block_cb
, &zcb
, NULL
);
2641 if (spa_feature_is_active(spa
, SPA_FEATURE_ASYNC_DESTROY
)) {
2642 VERIFY3U(0, ==, bptree_iterate(spa
->spa_meta_objset
,
2643 spa
->spa_dsl_pool
->dp_bptree_obj
, B_FALSE
, count_block_cb
,
2647 if (dump_opt
['c'] > 1)
2648 flags
|= TRAVERSE_PREFETCH_DATA
;
2650 zcb
.zcb_totalasize
= metaslab_class_get_alloc(spa_normal_class(spa
));
2651 zcb
.zcb_start
= zcb
.zcb_lastprint
= gethrtime();
2652 zcb
.zcb_haderrors
|= traverse_pool(spa
, 0, flags
, zdb_blkptr_cb
, &zcb
);
2655 * If we've traversed the data blocks then we need to wait for those
2656 * I/Os to complete. We leverage "The Godfather" zio to wait on
2657 * all async I/Os to complete.
2659 if (dump_opt
['c']) {
2660 for (c
= 0; c
< max_ncpus
; c
++) {
2661 (void) zio_wait(spa
->spa_async_zio_root
[c
]);
2662 spa
->spa_async_zio_root
[c
] = zio_root(spa
, NULL
, NULL
,
2663 ZIO_FLAG_CANFAIL
| ZIO_FLAG_SPECULATIVE
|
2664 ZIO_FLAG_GODFATHER
);
2668 if (zcb
.zcb_haderrors
) {
2669 (void) printf("\nError counts:\n\n");
2670 (void) printf("\t%5s %s\n", "errno", "count");
2671 for (e
= 0; e
< 256; e
++) {
2672 if (zcb
.zcb_errors
[e
] != 0) {
2673 (void) printf("\t%5d %llu\n",
2674 e
, (u_longlong_t
)zcb
.zcb_errors
[e
]);
2680 * Report any leaked segments.
2684 tzb
= &zcb
.zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
];
2686 norm_alloc
= metaslab_class_get_alloc(spa_normal_class(spa
));
2687 norm_space
= metaslab_class_get_space(spa_normal_class(spa
));
2689 total_alloc
= norm_alloc
+ metaslab_class_get_alloc(spa_log_class(spa
));
2690 total_found
= tzb
->zb_asize
- zcb
.zcb_dedup_asize
;
2692 if (total_found
== total_alloc
) {
2694 (void) printf("\n\tNo leaks (block sum matches space"
2695 " maps exactly)\n");
2697 (void) printf("block traversal size %llu != alloc %llu "
2699 (u_longlong_t
)total_found
,
2700 (u_longlong_t
)total_alloc
,
2701 (dump_opt
['L']) ? "unreachable" : "leaked",
2702 (longlong_t
)(total_alloc
- total_found
));
2706 if (tzb
->zb_count
== 0)
2709 (void) printf("\n");
2710 (void) printf("\tbp count: %10llu\n",
2711 (u_longlong_t
)tzb
->zb_count
);
2712 (void) printf("\tganged count: %10llu\n",
2713 (longlong_t
)tzb
->zb_gangs
);
2714 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2715 (u_longlong_t
)tzb
->zb_lsize
,
2716 (u_longlong_t
)(tzb
->zb_lsize
/ tzb
->zb_count
));
2717 (void) printf("\tbp physical: %10llu avg:"
2718 " %6llu compression: %6.2f\n",
2719 (u_longlong_t
)tzb
->zb_psize
,
2720 (u_longlong_t
)(tzb
->zb_psize
/ tzb
->zb_count
),
2721 (double)tzb
->zb_lsize
/ tzb
->zb_psize
);
2722 (void) printf("\tbp allocated: %10llu avg:"
2723 " %6llu compression: %6.2f\n",
2724 (u_longlong_t
)tzb
->zb_asize
,
2725 (u_longlong_t
)(tzb
->zb_asize
/ tzb
->zb_count
),
2726 (double)tzb
->zb_lsize
/ tzb
->zb_asize
);
2727 (void) printf("\tbp deduped: %10llu ref>1:"
2728 " %6llu deduplication: %6.2f\n",
2729 (u_longlong_t
)zcb
.zcb_dedup_asize
,
2730 (u_longlong_t
)zcb
.zcb_dedup_blocks
,
2731 (double)zcb
.zcb_dedup_asize
/ tzb
->zb_asize
+ 1.0);
2732 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2733 (u_longlong_t
)norm_alloc
, 100.0 * norm_alloc
/ norm_space
);
2735 for (i
= 0; i
< NUM_BP_EMBEDDED_TYPES
; i
++) {
2736 if (zcb
.zcb_embedded_blocks
[i
] == 0)
2738 (void) printf("\n");
2739 (void) printf("\tadditional, non-pointer bps of type %u: "
2741 i
, (u_longlong_t
)zcb
.zcb_embedded_blocks
[i
]);
2743 if (dump_opt
['b'] >= 3) {
2744 (void) printf("\t number of (compressed) bytes: "
2746 dump_histogram(zcb
.zcb_embedded_histogram
[i
],
2747 sizeof (zcb
.zcb_embedded_histogram
[i
]) /
2748 sizeof (zcb
.zcb_embedded_histogram
[i
][0]), 0);
2752 if (tzb
->zb_ditto_samevdev
!= 0) {
2753 (void) printf("\tDittoed blocks on same vdev: %llu\n",
2754 (longlong_t
)tzb
->zb_ditto_samevdev
);
2757 if (dump_opt
['b'] >= 2) {
2759 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2760 "\t avg\t comp\t%%Total\tType\n");
2762 for (t
= 0; t
<= ZDB_OT_TOTAL
; t
++) {
2763 char csize
[32], lsize
[32], psize
[32], asize
[32];
2764 char avg
[32], gang
[32];
2767 if (t
< DMU_OT_NUMTYPES
)
2768 typename
= dmu_ot
[t
].ot_name
;
2770 typename
= zdb_ot_extname
[t
- DMU_OT_NUMTYPES
];
2772 if (zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
== 0) {
2773 (void) printf("%6s\t%5s\t%5s\t%5s"
2774 "\t%5s\t%5s\t%6s\t%s\n",
2786 for (l
= ZB_TOTAL
- 1; l
>= -1; l
--) {
2787 level
= (l
== -1 ? ZB_TOTAL
: l
);
2788 zb
= &zcb
.zcb_type
[level
][t
];
2790 if (zb
->zb_asize
== 0)
2793 if (dump_opt
['b'] < 3 && level
!= ZB_TOTAL
)
2796 if (level
== 0 && zb
->zb_asize
==
2797 zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
)
2800 zdb_nicenum(zb
->zb_count
, csize
);
2801 zdb_nicenum(zb
->zb_lsize
, lsize
);
2802 zdb_nicenum(zb
->zb_psize
, psize
);
2803 zdb_nicenum(zb
->zb_asize
, asize
);
2804 zdb_nicenum(zb
->zb_asize
/ zb
->zb_count
, avg
);
2805 zdb_nicenum(zb
->zb_gangs
, gang
);
2807 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2809 csize
, lsize
, psize
, asize
, avg
,
2810 (double)zb
->zb_lsize
/ zb
->zb_psize
,
2811 100.0 * zb
->zb_asize
/ tzb
->zb_asize
);
2813 if (level
== ZB_TOTAL
)
2814 (void) printf("%s\n", typename
);
2816 (void) printf(" L%d %s\n",
2819 if (dump_opt
['b'] >= 3 && zb
->zb_gangs
> 0) {
2820 (void) printf("\t number of ganged "
2821 "blocks: %s\n", gang
);
2824 if (dump_opt
['b'] >= 4) {
2825 (void) printf("psize "
2826 "(in 512-byte sectors): "
2827 "number of blocks\n");
2828 dump_histogram(zb
->zb_psize_histogram
,
2829 PSIZE_HISTO_SIZE
, 0);
2835 (void) printf("\n");
2840 if (zcb
.zcb_haderrors
)
2846 typedef struct zdb_ddt_entry
{
2848 uint64_t zdde_ref_blocks
;
2849 uint64_t zdde_ref_lsize
;
2850 uint64_t zdde_ref_psize
;
2851 uint64_t zdde_ref_dsize
;
2852 avl_node_t zdde_node
;
2857 zdb_ddt_add_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
2858 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
2860 avl_tree_t
*t
= arg
;
2862 zdb_ddt_entry_t
*zdde
, zdde_search
;
2864 if (BP_IS_HOLE(bp
) || BP_IS_EMBEDDED(bp
))
2867 if (dump_opt
['S'] > 1 && zb
->zb_level
== ZB_ROOT_LEVEL
) {
2868 (void) printf("traversing objset %llu, %llu objects, "
2869 "%lu blocks so far\n",
2870 (u_longlong_t
)zb
->zb_objset
,
2871 (u_longlong_t
)BP_GET_FILL(bp
),
2875 if (BP_IS_HOLE(bp
) || BP_GET_CHECKSUM(bp
) == ZIO_CHECKSUM_OFF
||
2876 BP_GET_LEVEL(bp
) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp
)))
2879 ddt_key_fill(&zdde_search
.zdde_key
, bp
);
2881 zdde
= avl_find(t
, &zdde_search
, &where
);
2884 zdde
= umem_zalloc(sizeof (*zdde
), UMEM_NOFAIL
);
2885 zdde
->zdde_key
= zdde_search
.zdde_key
;
2886 avl_insert(t
, zdde
, where
);
2889 zdde
->zdde_ref_blocks
+= 1;
2890 zdde
->zdde_ref_lsize
+= BP_GET_LSIZE(bp
);
2891 zdde
->zdde_ref_psize
+= BP_GET_PSIZE(bp
);
2892 zdde
->zdde_ref_dsize
+= bp_get_dsize_sync(spa
, bp
);
2898 dump_simulated_ddt(spa_t
*spa
)
2901 void *cookie
= NULL
;
2902 zdb_ddt_entry_t
*zdde
;
2903 ddt_histogram_t ddh_total
;
2904 ddt_stat_t dds_total
;
2906 bzero(&ddh_total
, sizeof (ddt_histogram_t
));
2907 bzero(&dds_total
, sizeof (ddt_stat_t
));
2909 avl_create(&t
, ddt_entry_compare
,
2910 sizeof (zdb_ddt_entry_t
), offsetof(zdb_ddt_entry_t
, zdde_node
));
2912 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
2914 (void) traverse_pool(spa
, 0, TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
,
2915 zdb_ddt_add_cb
, &t
);
2917 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
2919 while ((zdde
= avl_destroy_nodes(&t
, &cookie
)) != NULL
) {
2921 uint64_t refcnt
= zdde
->zdde_ref_blocks
;
2922 ASSERT(refcnt
!= 0);
2924 dds
.dds_blocks
= zdde
->zdde_ref_blocks
/ refcnt
;
2925 dds
.dds_lsize
= zdde
->zdde_ref_lsize
/ refcnt
;
2926 dds
.dds_psize
= zdde
->zdde_ref_psize
/ refcnt
;
2927 dds
.dds_dsize
= zdde
->zdde_ref_dsize
/ refcnt
;
2929 dds
.dds_ref_blocks
= zdde
->zdde_ref_blocks
;
2930 dds
.dds_ref_lsize
= zdde
->zdde_ref_lsize
;
2931 dds
.dds_ref_psize
= zdde
->zdde_ref_psize
;
2932 dds
.dds_ref_dsize
= zdde
->zdde_ref_dsize
;
2934 ddt_stat_add(&ddh_total
.ddh_stat
[highbit64(refcnt
) - 1],
2937 umem_free(zdde
, sizeof (*zdde
));
2942 ddt_histogram_stat(&dds_total
, &ddh_total
);
2944 (void) printf("Simulated DDT histogram:\n");
2946 zpool_dump_ddt(&dds_total
, &ddh_total
);
2948 dump_dedup_ratio(&dds_total
);
2952 dump_zpool(spa_t
*spa
)
2954 dsl_pool_t
*dp
= spa_get_dsl(spa
);
2957 if (dump_opt
['S']) {
2958 dump_simulated_ddt(spa
);
2962 if (!dump_opt
['e'] && dump_opt
['C'] > 1) {
2963 (void) printf("\nCached configuration:\n");
2964 dump_nvlist(spa
->spa_config
, 8);
2971 dump_uberblock(&spa
->spa_uberblock
, "\nUberblock:\n", "\n");
2976 if (dump_opt
['d'] > 2 || dump_opt
['m'])
2977 dump_metaslabs(spa
);
2979 dump_metaslab_groups(spa
);
2981 if (dump_opt
['d'] || dump_opt
['i']) {
2982 dump_dir(dp
->dp_meta_objset
);
2983 if (dump_opt
['d'] >= 3) {
2984 dump_bpobj(&spa
->spa_deferred_bpobj
,
2985 "Deferred frees", 0);
2986 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
2987 dump_bpobj(&spa
->spa_dsl_pool
->dp_free_bpobj
,
2988 "Pool snapshot frees", 0);
2991 if (spa_feature_is_active(spa
,
2992 SPA_FEATURE_ASYNC_DESTROY
)) {
2993 dump_bptree(spa
->spa_meta_objset
,
2994 spa
->spa_dsl_pool
->dp_bptree_obj
,
2995 "Pool dataset frees");
2997 dump_dtl(spa
->spa_root_vdev
, 0);
2999 (void) dmu_objset_find(spa_name(spa
), dump_one_dir
,
3000 NULL
, DS_FIND_SNAPSHOTS
| DS_FIND_CHILDREN
);
3002 if (dump_opt
['b'] || dump_opt
['c'])
3003 rc
= dump_block_stats(spa
);
3006 rc
= verify_spacemap_refcounts(spa
);
3009 show_pool_stats(spa
);
3018 #define ZDB_FLAG_CHECKSUM 0x0001
3019 #define ZDB_FLAG_DECOMPRESS 0x0002
3020 #define ZDB_FLAG_BSWAP 0x0004
3021 #define ZDB_FLAG_GBH 0x0008
3022 #define ZDB_FLAG_INDIRECT 0x0010
3023 #define ZDB_FLAG_PHYS 0x0020
3024 #define ZDB_FLAG_RAW 0x0040
3025 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
3030 zdb_print_blkptr(blkptr_t
*bp
, int flags
)
3032 char blkbuf
[BP_SPRINTF_LEN
];
3034 if (flags
& ZDB_FLAG_BSWAP
)
3035 byteswap_uint64_array((void *)bp
, sizeof (blkptr_t
));
3037 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3038 (void) printf("%s\n", blkbuf
);
3042 zdb_dump_indirect(blkptr_t
*bp
, int nbps
, int flags
)
3046 for (i
= 0; i
< nbps
; i
++)
3047 zdb_print_blkptr(&bp
[i
], flags
);
3051 zdb_dump_gbh(void *buf
, int flags
)
3053 zdb_dump_indirect((blkptr_t
*)buf
, SPA_GBH_NBLKPTRS
, flags
);
3057 zdb_dump_block_raw(void *buf
, uint64_t size
, int flags
)
3059 if (flags
& ZDB_FLAG_BSWAP
)
3060 byteswap_uint64_array(buf
, size
);
3061 VERIFY(write(fileno(stdout
), buf
, size
) == size
);
3065 zdb_dump_block(char *label
, void *buf
, uint64_t size
, int flags
)
3067 uint64_t *d
= (uint64_t *)buf
;
3068 int nwords
= size
/ sizeof (uint64_t);
3069 int do_bswap
= !!(flags
& ZDB_FLAG_BSWAP
);
3075 hdr
= " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
3077 hdr
= " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
3079 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label
, "", hdr
);
3081 for (i
= 0; i
< nwords
; i
+= 2) {
3082 (void) printf("%06llx: %016llx %016llx ",
3083 (u_longlong_t
)(i
* sizeof (uint64_t)),
3084 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
]) : d
[i
]),
3085 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
+ 1]) : d
[i
+ 1]));
3088 for (j
= 0; j
< 2 * sizeof (uint64_t); j
++)
3089 (void) printf("%c", isprint(c
[j
]) ? c
[j
] : '.');
3090 (void) printf("\n");
3095 * There are two acceptable formats:
3096 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
3097 * child[.child]* - For example: 0.1.1
3099 * The second form can be used to specify arbitrary vdevs anywhere
3100 * in the heirarchy. For example, in a pool with a mirror of
3101 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
3104 zdb_vdev_lookup(vdev_t
*vdev
, char *path
)
3112 /* First, assume the x.x.x.x format */
3113 i
= (int)strtoul(path
, &s
, 10);
3114 if (s
== path
|| (s
&& *s
!= '.' && *s
!= '\0'))
3116 if (i
< 0 || i
>= vdev
->vdev_children
)
3119 vdev
= vdev
->vdev_child
[i
];
3122 return (zdb_vdev_lookup(vdev
, s
+1));
3125 for (i
= 0; i
< vdev
->vdev_children
; i
++) {
3126 vdev_t
*vc
= vdev
->vdev_child
[i
];
3128 if (vc
->vdev_path
== NULL
) {
3129 vc
= zdb_vdev_lookup(vc
, path
);
3136 p
= strrchr(vc
->vdev_path
, '/');
3137 p
= p
? p
+ 1 : vc
->vdev_path
;
3138 q
= &vc
->vdev_path
[strlen(vc
->vdev_path
) - 2];
3140 if (strcmp(vc
->vdev_path
, path
) == 0)
3142 if (strcmp(p
, path
) == 0)
3144 if (strcmp(q
, "s0") == 0 && strncmp(p
, path
, q
- p
) == 0)
3152 * Read a block from a pool and print it out. The syntax of the
3153 * block descriptor is:
3155 * pool:vdev_specifier:offset:size[:flags]
3157 * pool - The name of the pool you wish to read from
3158 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
3159 * offset - offset, in hex, in bytes
3160 * size - Amount of data to read, in hex, in bytes
3161 * flags - A string of characters specifying options
3162 * b: Decode a blkptr at given offset within block
3163 * *c: Calculate and display checksums
3164 * d: Decompress data before dumping
3165 * e: Byteswap data before dumping
3166 * g: Display data as a gang block header
3167 * i: Display as an indirect block
3168 * p: Do I/O to physical offset
3169 * r: Dump raw data to stdout
3171 * * = not yet implemented
3174 zdb_read_block(char *thing
, spa_t
*spa
)
3176 blkptr_t blk
, *bp
= &blk
;
3177 dva_t
*dva
= bp
->blk_dva
;
3179 uint64_t offset
= 0, size
= 0, psize
= 0, lsize
= 0, blkptr_offset
= 0;
3182 void *pbuf
, *lbuf
, *buf
;
3183 char *s
, *p
, *dup
, *vdev
, *flagstr
;
3186 dup
= strdup(thing
);
3187 s
= strtok(dup
, ":");
3189 s
= strtok(NULL
, ":");
3190 offset
= strtoull(s
? s
: "", NULL
, 16);
3191 s
= strtok(NULL
, ":");
3192 size
= strtoull(s
? s
: "", NULL
, 16);
3193 s
= strtok(NULL
, ":");
3194 flagstr
= s
? s
: "";
3198 s
= "size must not be zero";
3199 if (!IS_P2ALIGNED(size
, DEV_BSIZE
))
3200 s
= "size must be a multiple of sector size";
3201 if (!IS_P2ALIGNED(offset
, DEV_BSIZE
))
3202 s
= "offset must be a multiple of sector size";
3204 (void) printf("Invalid block specifier: %s - %s\n", thing
, s
);
3209 for (s
= strtok(flagstr
, ":"); s
; s
= strtok(NULL
, ":")) {
3210 for (i
= 0; flagstr
[i
]; i
++) {
3211 int bit
= flagbits
[(uchar_t
)flagstr
[i
]];
3214 (void) printf("***Invalid flag: %c\n",
3220 /* If it's not something with an argument, keep going */
3221 if ((bit
& (ZDB_FLAG_CHECKSUM
|
3222 ZDB_FLAG_PRINT_BLKPTR
)) == 0)
3225 p
= &flagstr
[i
+ 1];
3226 if (bit
== ZDB_FLAG_PRINT_BLKPTR
)
3227 blkptr_offset
= strtoull(p
, &p
, 16);
3228 if (*p
!= ':' && *p
!= '\0') {
3229 (void) printf("***Invalid flag arg: '%s'\n", s
);
3236 vd
= zdb_vdev_lookup(spa
->spa_root_vdev
, vdev
);
3238 (void) printf("***Invalid vdev: %s\n", vdev
);
3243 (void) fprintf(stderr
, "Found vdev: %s\n",
3246 (void) fprintf(stderr
, "Found vdev type: %s\n",
3247 vd
->vdev_ops
->vdev_op_type
);
3253 pbuf
= umem_alloc_aligned(SPA_MAXBLOCKSIZE
, 512, UMEM_NOFAIL
);
3254 lbuf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3258 DVA_SET_VDEV(&dva
[0], vd
->vdev_id
);
3259 DVA_SET_OFFSET(&dva
[0], offset
);
3260 DVA_SET_GANG(&dva
[0], !!(flags
& ZDB_FLAG_GBH
));
3261 DVA_SET_ASIZE(&dva
[0], vdev_psize_to_asize(vd
, psize
));
3263 BP_SET_BIRTH(bp
, TXG_INITIAL
, TXG_INITIAL
);
3265 BP_SET_LSIZE(bp
, lsize
);
3266 BP_SET_PSIZE(bp
, psize
);
3267 BP_SET_COMPRESS(bp
, ZIO_COMPRESS_OFF
);
3268 BP_SET_CHECKSUM(bp
, ZIO_CHECKSUM_OFF
);
3269 BP_SET_TYPE(bp
, DMU_OT_NONE
);
3270 BP_SET_LEVEL(bp
, 0);
3271 BP_SET_DEDUP(bp
, 0);
3272 BP_SET_BYTEORDER(bp
, ZFS_HOST_BYTEORDER
);
3274 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
3275 zio
= zio_root(spa
, NULL
, NULL
, 0);
3277 if (vd
== vd
->vdev_top
) {
3279 * Treat this as a normal block read.
3281 zio_nowait(zio_read(zio
, spa
, bp
, pbuf
, psize
, NULL
, NULL
,
3282 ZIO_PRIORITY_SYNC_READ
,
3283 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
));
3286 * Treat this as a vdev child I/O.
3288 zio_nowait(zio_vdev_child_io(zio
, bp
, vd
, offset
, pbuf
, psize
,
3289 ZIO_TYPE_READ
, ZIO_PRIORITY_SYNC_READ
,
3290 ZIO_FLAG_DONT_CACHE
| ZIO_FLAG_DONT_QUEUE
|
3291 ZIO_FLAG_DONT_PROPAGATE
| ZIO_FLAG_DONT_RETRY
|
3292 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
, NULL
));
3295 error
= zio_wait(zio
);
3296 spa_config_exit(spa
, SCL_STATE
, FTAG
);
3299 (void) printf("Read of %s failed, error: %d\n", thing
, error
);
3303 if (flags
& ZDB_FLAG_DECOMPRESS
) {
3305 * We don't know how the data was compressed, so just try
3306 * every decompress function at every inflated blocksize.
3308 enum zio_compress c
;
3309 void *pbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3310 void *lbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3312 bcopy(pbuf
, pbuf2
, psize
);
3314 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf
+ psize
,
3315 SPA_MAXBLOCKSIZE
- psize
) == 0);
3317 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2
+ psize
,
3318 SPA_MAXBLOCKSIZE
- psize
) == 0);
3320 for (lsize
= SPA_MAXBLOCKSIZE
; lsize
> psize
;
3321 lsize
-= SPA_MINBLOCKSIZE
) {
3322 for (c
= 0; c
< ZIO_COMPRESS_FUNCTIONS
; c
++) {
3323 if (zio_decompress_data(c
, pbuf
, lbuf
,
3324 psize
, lsize
) == 0 &&
3325 zio_decompress_data(c
, pbuf2
, lbuf2
,
3326 psize
, lsize
) == 0 &&
3327 bcmp(lbuf
, lbuf2
, lsize
) == 0)
3330 if (c
!= ZIO_COMPRESS_FUNCTIONS
)
3332 lsize
-= SPA_MINBLOCKSIZE
;
3335 umem_free(pbuf2
, SPA_MAXBLOCKSIZE
);
3336 umem_free(lbuf2
, SPA_MAXBLOCKSIZE
);
3338 if (lsize
<= psize
) {
3339 (void) printf("Decompress of %s failed\n", thing
);
3349 if (flags
& ZDB_FLAG_PRINT_BLKPTR
)
3350 zdb_print_blkptr((blkptr_t
*)(void *)
3351 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
), flags
);
3352 else if (flags
& ZDB_FLAG_RAW
)
3353 zdb_dump_block_raw(buf
, size
, flags
);
3354 else if (flags
& ZDB_FLAG_INDIRECT
)
3355 zdb_dump_indirect((blkptr_t
*)buf
, size
/ sizeof (blkptr_t
),
3357 else if (flags
& ZDB_FLAG_GBH
)
3358 zdb_dump_gbh(buf
, flags
);
3360 zdb_dump_block(thing
, buf
, size
, flags
);
3363 umem_free(pbuf
, SPA_MAXBLOCKSIZE
);
3364 umem_free(lbuf
, SPA_MAXBLOCKSIZE
);
3369 pool_match(nvlist_t
*cfg
, char *tgt
)
3371 uint64_t v
, guid
= strtoull(tgt
, NULL
, 0);
3375 if (nvlist_lookup_uint64(cfg
, ZPOOL_CONFIG_POOL_GUID
, &v
) == 0)
3378 if (nvlist_lookup_string(cfg
, ZPOOL_CONFIG_POOL_NAME
, &s
) == 0)
3379 return (strcmp(s
, tgt
) == 0);
3385 find_zpool(char **target
, nvlist_t
**configp
, int dirc
, char **dirv
)
3388 nvlist_t
*match
= NULL
;
3393 importargs_t args
= { 0 };
3397 args
.can_be_active
= B_TRUE
;
3399 if ((sepp
= strpbrk(*target
, "/@")) != NULL
) {
3404 pools
= zpool_search_import(g_zfs
, &args
);
3406 if (pools
!= NULL
) {
3407 nvpair_t
*elem
= NULL
;
3408 while ((elem
= nvlist_next_nvpair(pools
, elem
)) != NULL
) {
3409 verify(nvpair_value_nvlist(elem
, configp
) == 0);
3410 if (pool_match(*configp
, *target
)) {
3412 if (match
!= NULL
) {
3413 /* print previously found config */
3415 (void) printf("%s\n", name
);
3416 dump_nvlist(match
, 8);
3419 (void) printf("%s\n",
3421 dump_nvlist(*configp
, 8);
3424 name
= nvpair_name(elem
);
3430 (void) fatal("\tMatched %d pools - use pool GUID "
3431 "instead of pool name or \n"
3432 "\tpool name part of a dataset name to select pool", count
);
3437 * If pool GUID was specified for pool id, replace it with pool name
3439 if (name
&& (strstr(*target
, name
) != *target
)) {
3440 int sz
= 1 + strlen(name
) + ((sepp
) ? strlen(sepp
) : 0);
3442 *target
= umem_alloc(sz
, UMEM_NOFAIL
);
3443 (void) snprintf(*target
, sz
, "%s%s", name
, sepp
? sepp
: "");
3446 *configp
= name
? match
: NULL
;
3452 main(int argc
, char **argv
)
3455 struct rlimit rl
= { 1024, 1024 };
3457 objset_t
*os
= NULL
;
3461 char **searchdirs
= NULL
;
3464 nvlist_t
*policy
= NULL
;
3465 uint64_t max_txg
= UINT64_MAX
;
3466 int flags
= ZFS_IMPORT_MISSING_LOG
;
3467 int rewind
= ZPOOL_NEVER_REWIND
;
3468 char *spa_config_path_env
;
3469 const char *opts
= "bcdhilmMI:suCDRSAFLXevp:t:U:P";
3471 (void) setrlimit(RLIMIT_NOFILE
, &rl
);
3472 (void) enable_extended_FILE_stdio(-1, -1);
3474 dprintf_setup(&argc
, argv
);
3477 * If there is an environment variable SPA_CONFIG_PATH it overrides
3478 * default spa_config_path setting. If -U flag is specified it will
3479 * override this environment variable settings once again.
3481 spa_config_path_env
= getenv("SPA_CONFIG_PATH");
3482 if (spa_config_path_env
!= NULL
)
3483 spa_config_path
= spa_config_path_env
;
3485 while ((c
= getopt(argc
, argv
, opts
)) != -1) {
3513 flags
= ZFS_IMPORT_VERBATIM
;
3516 max_inflight
= strtoull(optarg
, NULL
, 0);
3517 if (max_inflight
== 0) {
3518 (void) fprintf(stderr
, "maximum number "
3519 "of inflight I/Os must be greater "
3525 if (searchdirs
== NULL
) {
3526 searchdirs
= umem_alloc(sizeof (char *),
3529 char **tmp
= umem_alloc((nsearch
+ 1) *
3530 sizeof (char *), UMEM_NOFAIL
);
3531 bcopy(searchdirs
, tmp
, nsearch
*
3533 umem_free(searchdirs
,
3534 nsearch
* sizeof (char *));
3537 searchdirs
[nsearch
++] = optarg
;
3540 max_txg
= strtoull(optarg
, NULL
, 0);
3541 if (max_txg
< TXG_INITIAL
) {
3542 (void) fprintf(stderr
, "incorrect txg "
3543 "specified: %s\n", optarg
);
3548 spa_config_path
= optarg
;
3559 if (!dump_opt
['e'] && searchdirs
!= NULL
) {
3560 (void) fprintf(stderr
, "-p option requires use of -e\n");
3566 * ZDB does not typically re-read blocks; therefore limit the ARC
3567 * to 256 MB, which can be used entirely for metadata.
3569 zfs_arc_max
= zfs_arc_meta_limit
= 256 * 1024 * 1024;
3573 if ((g_zfs
= libzfs_init()) == NULL
)
3577 verbose
= MAX(verbose
, 1);
3579 for (c
= 0; c
< 256; c
++) {
3580 if (dump_all
&& !strchr("elAFLRSXP", c
))
3583 dump_opt
[c
] += verbose
;
3586 aok
= (dump_opt
['A'] == 1) || (dump_opt
['A'] > 2);
3587 zfs_recover
= (dump_opt
['A'] > 1);
3592 if (argc
< 2 && dump_opt
['R'])
3595 if (!dump_opt
['e'] && dump_opt
['C']) {
3596 dump_cachefile(spa_config_path
);
3602 if (dump_opt
['l']) {
3603 dump_label(argv
[0]);
3607 if (dump_opt
['X'] || dump_opt
['F'])
3608 rewind
= ZPOOL_DO_REWIND
|
3609 (dump_opt
['X'] ? ZPOOL_EXTREME_REWIND
: 0);
3611 if (nvlist_alloc(&policy
, NV_UNIQUE_NAME_TYPE
, 0) != 0 ||
3612 nvlist_add_uint64(policy
, ZPOOL_REWIND_REQUEST_TXG
, max_txg
) != 0 ||
3613 nvlist_add_uint32(policy
, ZPOOL_REWIND_REQUEST
, rewind
) != 0)
3614 fatal("internal error: %s", strerror(ENOMEM
));
3619 if (dump_opt
['e']) {
3620 nvlist_t
*cfg
= NULL
;
3621 char *name
= find_zpool(&target
, &cfg
, nsearch
, searchdirs
);
3625 if (dump_opt
['C'] > 1) {
3626 (void) printf("\nConfiguration for import:\n");
3627 dump_nvlist(cfg
, 8);
3629 if (nvlist_add_nvlist(cfg
,
3630 ZPOOL_REWIND_POLICY
, policy
) != 0) {
3631 fatal("can't open '%s': %s",
3632 target
, strerror(ENOMEM
));
3634 error
= spa_import(name
, cfg
, NULL
, flags
);
3639 if (strpbrk(target
, "/@") == NULL
|| dump_opt
['R']) {
3640 error
= spa_open_rewind(target
, &spa
, FTAG
, policy
,
3644 * If we're missing the log device then
3645 * try opening the pool after clearing the
3648 mutex_enter(&spa_namespace_lock
);
3649 if ((spa
= spa_lookup(target
)) != NULL
&&
3650 spa
->spa_log_state
== SPA_LOG_MISSING
) {
3651 spa
->spa_log_state
= SPA_LOG_CLEAR
;
3654 mutex_exit(&spa_namespace_lock
);
3657 error
= spa_open_rewind(target
, &spa
,
3658 FTAG
, policy
, NULL
);
3662 error
= dmu_objset_own(target
, DMU_OST_ANY
,
3666 nvlist_free(policy
);
3669 fatal("can't open '%s': %s", target
, strerror(error
));
3673 if (!dump_opt
['R']) {
3675 zopt_objects
= argc
;
3676 zopt_object
= calloc(zopt_objects
, sizeof (uint64_t));
3677 for (i
= 0; i
< zopt_objects
; i
++) {
3679 zopt_object
[i
] = strtoull(argv
[i
], NULL
, 0);
3680 if (zopt_object
[i
] == 0 && errno
!= 0)
3681 fatal("bad number %s: %s",
3682 argv
[i
], strerror(errno
));
3687 } else if (zopt_objects
> 0 && !dump_opt
['m']) {
3688 dump_dir(spa
->spa_meta_objset
);
3693 flagbits
['b'] = ZDB_FLAG_PRINT_BLKPTR
;
3694 flagbits
['c'] = ZDB_FLAG_CHECKSUM
;
3695 flagbits
['d'] = ZDB_FLAG_DECOMPRESS
;
3696 flagbits
['e'] = ZDB_FLAG_BSWAP
;
3697 flagbits
['g'] = ZDB_FLAG_GBH
;
3698 flagbits
['i'] = ZDB_FLAG_INDIRECT
;
3699 flagbits
['p'] = ZDB_FLAG_PHYS
;
3700 flagbits
['r'] = ZDB_FLAG_RAW
;
3702 for (i
= 0; i
< argc
; i
++)
3703 zdb_read_block(argv
[i
], spa
);
3706 (os
!= NULL
) ? dmu_objset_disown(os
, FTAG
) : spa_close(spa
, FTAG
);
3708 fuid_table_destroy();
3709 sa_loaded
= B_FALSE
;