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
;
79 extern int zfs_vdev_async_read_max_active
;
82 uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
83 int zfs_vdev_async_read_max_active
;
86 const char cmdname
[] = "zdb";
87 uint8_t dump_opt
[256];
89 typedef void object_viewer_t(objset_t
*, uint64_t, void *data
, size_t size
);
91 extern void dump_intent_log(zilog_t
*);
92 uint64_t *zopt_object
= NULL
;
94 libzfs_handle_t
*g_zfs
;
95 uint64_t max_inflight
= 1000;
97 static void snprintf_blkptr_compact(char *, size_t, const blkptr_t
*);
100 * These libumem hooks provide a reasonable set of defaults for the allocator's
101 * debugging facilities.
104 _umem_debug_init(void)
106 return ("default,verbose"); /* $UMEM_DEBUG setting */
110 _umem_logging_init(void)
112 return ("fail,contents"); /* $UMEM_LOGGING setting */
118 (void) fprintf(stderr
,
119 "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
120 "[-U config] [-I inflight I/Os] poolname [object...]\n"
121 " %s [-divPA] [-e -p path...] [-U config] dataset "
123 " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] "
124 "poolname [vdev [metaslab...]]\n"
125 " %s -R [-A] [-e [-p path...]] poolname "
126 "vdev:offset:size[:flags]\n"
127 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n"
128 " %s -l [-uA] device\n"
129 " %s -C [-A] [-U config]\n\n",
130 cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
);
132 (void) fprintf(stderr
, " Dataset name must include at least one "
133 "separator character '/' or '@'\n");
134 (void) fprintf(stderr
, " If dataset name is specified, only that "
135 "dataset is dumped\n");
136 (void) fprintf(stderr
, " If object numbers are specified, only "
137 "those objects are dumped\n\n");
138 (void) fprintf(stderr
, " Options to control amount of output:\n");
139 (void) fprintf(stderr
, " -u uberblock\n");
140 (void) fprintf(stderr
, " -d dataset(s)\n");
141 (void) fprintf(stderr
, " -i intent logs\n");
142 (void) fprintf(stderr
, " -C config (or cachefile if alone)\n");
143 (void) fprintf(stderr
, " -h pool history\n");
144 (void) fprintf(stderr
, " -b block statistics\n");
145 (void) fprintf(stderr
, " -m metaslabs\n");
146 (void) fprintf(stderr
, " -M metaslab groups\n");
147 (void) fprintf(stderr
, " -c checksum all metadata (twice for "
148 "all data) blocks\n");
149 (void) fprintf(stderr
, " -s report stats on zdb's I/O\n");
150 (void) fprintf(stderr
, " -D dedup statistics\n");
151 (void) fprintf(stderr
, " -S simulate dedup to measure effect\n");
152 (void) fprintf(stderr
, " -v verbose (applies to all others)\n");
153 (void) fprintf(stderr
, " -l dump label contents\n");
154 (void) fprintf(stderr
, " -L disable leak tracking (do not "
155 "load spacemaps)\n");
156 (void) fprintf(stderr
, " -R read and display block from a "
158 (void) fprintf(stderr
, " Below options are intended for use "
159 "with other options (except -l):\n");
160 (void) fprintf(stderr
, " -A ignore assertions (-A), enable "
161 "panic recovery (-AA) or both (-AAA)\n");
162 (void) fprintf(stderr
, " -F attempt automatic rewind within "
163 "safe range of transaction groups\n");
164 (void) fprintf(stderr
, " -U <cachefile_path> -- use alternate "
166 (void) fprintf(stderr
, " -X attempt extreme rewind (does not "
167 "work with dataset)\n");
168 (void) fprintf(stderr
, " -e pool is exported/destroyed/"
169 "has altroot/not in a cachefile\n");
170 (void) fprintf(stderr
, " -p <path> -- use one or more with "
171 "-e to specify path to vdev dir\n");
172 (void) fprintf(stderr
, " -P print numbers in parseable form\n");
173 (void) fprintf(stderr
, " -t <txg> -- highest txg to use when "
174 "searching for uberblocks\n");
175 (void) fprintf(stderr
, " -I <number of inflight I/Os> -- "
176 "specify the maximum number of checksumming I/Os "
177 "[default is 200]\n");
178 (void) fprintf(stderr
, "Specify an option more than once (e.g. -bb) "
179 "to make only that option verbose\n");
180 (void) fprintf(stderr
, "Default is to dump everything non-verbosely\n");
185 * Called for usage errors that are discovered after a call to spa_open(),
186 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
190 fatal(const char *fmt
, ...)
195 (void) fprintf(stderr
, "%s: ", cmdname
);
196 (void) vfprintf(stderr
, fmt
, ap
);
198 (void) fprintf(stderr
, "\n");
205 dump_packed_nvlist(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
208 size_t nvsize
= *(uint64_t *)data
;
209 char *packed
= umem_alloc(nvsize
, UMEM_NOFAIL
);
211 VERIFY(0 == dmu_read(os
, object
, 0, nvsize
, packed
, DMU_READ_PREFETCH
));
213 VERIFY(nvlist_unpack(packed
, nvsize
, &nv
, 0) == 0);
215 umem_free(packed
, nvsize
);
224 dump_history_offsets(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
226 spa_history_phys_t
*shp
= data
;
231 (void) printf("\t\tpool_create_len = %llu\n",
232 (u_longlong_t
)shp
->sh_pool_create_len
);
233 (void) printf("\t\tphys_max_off = %llu\n",
234 (u_longlong_t
)shp
->sh_phys_max_off
);
235 (void) printf("\t\tbof = %llu\n",
236 (u_longlong_t
)shp
->sh_bof
);
237 (void) printf("\t\teof = %llu\n",
238 (u_longlong_t
)shp
->sh_eof
);
239 (void) printf("\t\trecords_lost = %llu\n",
240 (u_longlong_t
)shp
->sh_records_lost
);
244 zdb_nicenum(uint64_t num
, char *buf
)
247 (void) sprintf(buf
, "%llu", (longlong_t
)num
);
252 const char histo_stars
[] = "****************************************";
253 const int histo_width
= sizeof (histo_stars
) - 1;
256 dump_histogram(const uint64_t *histo
, int size
, int offset
)
259 int minidx
= size
- 1;
263 for (i
= 0; i
< size
; i
++) {
266 if (histo
[i
] > 0 && i
> maxidx
)
268 if (histo
[i
] > 0 && i
< minidx
)
272 if (max
< histo_width
)
275 for (i
= minidx
; i
<= maxidx
; i
++) {
276 (void) printf("\t\t\t%3u: %6llu %s\n",
277 i
+ offset
, (u_longlong_t
)histo
[i
],
278 &histo_stars
[(max
- histo
[i
]) * histo_width
/ max
]);
283 dump_zap_stats(objset_t
*os
, uint64_t object
)
288 error
= zap_get_stats(os
, object
, &zs
);
292 if (zs
.zs_ptrtbl_len
== 0) {
293 ASSERT(zs
.zs_num_blocks
== 1);
294 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
295 (u_longlong_t
)zs
.zs_blocksize
,
296 (u_longlong_t
)zs
.zs_num_entries
);
300 (void) printf("\tFat ZAP stats:\n");
302 (void) printf("\t\tPointer table:\n");
303 (void) printf("\t\t\t%llu elements\n",
304 (u_longlong_t
)zs
.zs_ptrtbl_len
);
305 (void) printf("\t\t\tzt_blk: %llu\n",
306 (u_longlong_t
)zs
.zs_ptrtbl_zt_blk
);
307 (void) printf("\t\t\tzt_numblks: %llu\n",
308 (u_longlong_t
)zs
.zs_ptrtbl_zt_numblks
);
309 (void) printf("\t\t\tzt_shift: %llu\n",
310 (u_longlong_t
)zs
.zs_ptrtbl_zt_shift
);
311 (void) printf("\t\t\tzt_blks_copied: %llu\n",
312 (u_longlong_t
)zs
.zs_ptrtbl_blks_copied
);
313 (void) printf("\t\t\tzt_nextblk: %llu\n",
314 (u_longlong_t
)zs
.zs_ptrtbl_nextblk
);
316 (void) printf("\t\tZAP entries: %llu\n",
317 (u_longlong_t
)zs
.zs_num_entries
);
318 (void) printf("\t\tLeaf blocks: %llu\n",
319 (u_longlong_t
)zs
.zs_num_leafs
);
320 (void) printf("\t\tTotal blocks: %llu\n",
321 (u_longlong_t
)zs
.zs_num_blocks
);
322 (void) printf("\t\tzap_block_type: 0x%llx\n",
323 (u_longlong_t
)zs
.zs_block_type
);
324 (void) printf("\t\tzap_magic: 0x%llx\n",
325 (u_longlong_t
)zs
.zs_magic
);
326 (void) printf("\t\tzap_salt: 0x%llx\n",
327 (u_longlong_t
)zs
.zs_salt
);
329 (void) printf("\t\tLeafs with 2^n pointers:\n");
330 dump_histogram(zs
.zs_leafs_with_2n_pointers
, ZAP_HISTOGRAM_SIZE
, 0);
332 (void) printf("\t\tBlocks with n*5 entries:\n");
333 dump_histogram(zs
.zs_blocks_with_n5_entries
, ZAP_HISTOGRAM_SIZE
, 0);
335 (void) printf("\t\tBlocks n/10 full:\n");
336 dump_histogram(zs
.zs_blocks_n_tenths_full
, ZAP_HISTOGRAM_SIZE
, 0);
338 (void) printf("\t\tEntries with n chunks:\n");
339 dump_histogram(zs
.zs_entries_using_n_chunks
, ZAP_HISTOGRAM_SIZE
, 0);
341 (void) printf("\t\tBuckets with n entries:\n");
342 dump_histogram(zs
.zs_buckets_with_n_entries
, ZAP_HISTOGRAM_SIZE
, 0);
347 dump_none(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
353 dump_unknown(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
355 (void) printf("\tUNKNOWN OBJECT TYPE\n");
360 dump_uint8(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
366 dump_uint64(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
372 dump_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
375 zap_attribute_t attr
;
379 dump_zap_stats(os
, object
);
382 for (zap_cursor_init(&zc
, os
, object
);
383 zap_cursor_retrieve(&zc
, &attr
) == 0;
384 zap_cursor_advance(&zc
)) {
385 (void) printf("\t\t%s = ", attr
.za_name
);
386 if (attr
.za_num_integers
== 0) {
390 prop
= umem_zalloc(attr
.za_num_integers
*
391 attr
.za_integer_length
, UMEM_NOFAIL
);
392 (void) zap_lookup(os
, object
, attr
.za_name
,
393 attr
.za_integer_length
, attr
.za_num_integers
, prop
);
394 if (attr
.za_integer_length
== 1) {
395 (void) printf("%s", (char *)prop
);
397 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
398 switch (attr
.za_integer_length
) {
401 ((uint16_t *)prop
)[i
]);
405 ((uint32_t *)prop
)[i
]);
408 (void) printf("%lld ",
409 (u_longlong_t
)((int64_t *)prop
)[i
]);
415 umem_free(prop
, attr
.za_num_integers
* attr
.za_integer_length
);
417 zap_cursor_fini(&zc
);
421 dump_bpobj(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
423 bpobj_phys_t
*bpop
= data
;
425 char bytes
[32], comp
[32], uncomp
[32];
430 zdb_nicenum(bpop
->bpo_bytes
, bytes
);
431 zdb_nicenum(bpop
->bpo_comp
, comp
);
432 zdb_nicenum(bpop
->bpo_uncomp
, uncomp
);
434 (void) printf("\t\tnum_blkptrs = %llu\n",
435 (u_longlong_t
)bpop
->bpo_num_blkptrs
);
436 (void) printf("\t\tbytes = %s\n", bytes
);
437 if (size
>= BPOBJ_SIZE_V1
) {
438 (void) printf("\t\tcomp = %s\n", comp
);
439 (void) printf("\t\tuncomp = %s\n", uncomp
);
441 if (size
>= sizeof (*bpop
)) {
442 (void) printf("\t\tsubobjs = %llu\n",
443 (u_longlong_t
)bpop
->bpo_subobjs
);
444 (void) printf("\t\tnum_subobjs = %llu\n",
445 (u_longlong_t
)bpop
->bpo_num_subobjs
);
448 if (dump_opt
['d'] < 5)
451 for (i
= 0; i
< bpop
->bpo_num_blkptrs
; i
++) {
452 char blkbuf
[BP_SPRINTF_LEN
];
455 int err
= dmu_read(os
, object
,
456 i
* sizeof (bp
), sizeof (bp
), &bp
, 0);
458 (void) printf("got error %u from dmu_read\n", err
);
461 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), &bp
);
462 (void) printf("\t%s\n", blkbuf
);
468 dump_bpobj_subobjs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
470 dmu_object_info_t doi
;
473 VERIFY0(dmu_object_info(os
, object
, &doi
));
474 uint64_t *subobjs
= kmem_alloc(doi
.doi_max_offset
, KM_SLEEP
);
476 int err
= dmu_read(os
, object
, 0, doi
.doi_max_offset
, subobjs
, 0);
478 (void) printf("got error %u from dmu_read\n", err
);
479 kmem_free(subobjs
, doi
.doi_max_offset
);
483 int64_t last_nonzero
= -1;
484 for (i
= 0; i
< doi
.doi_max_offset
/ 8; i
++) {
489 for (i
= 0; i
<= last_nonzero
; i
++) {
490 (void) printf("\t%llu\n", (longlong_t
)subobjs
[i
]);
492 kmem_free(subobjs
, doi
.doi_max_offset
);
497 dump_ddt_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
499 dump_zap_stats(os
, object
);
500 /* contents are printed elsewhere, properly decoded */
505 dump_sa_attrs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
508 zap_attribute_t attr
;
510 dump_zap_stats(os
, object
);
513 for (zap_cursor_init(&zc
, os
, object
);
514 zap_cursor_retrieve(&zc
, &attr
) == 0;
515 zap_cursor_advance(&zc
)) {
516 (void) printf("\t\t%s = ", attr
.za_name
);
517 if (attr
.za_num_integers
== 0) {
521 (void) printf(" %llx : [%d:%d:%d]\n",
522 (u_longlong_t
)attr
.za_first_integer
,
523 (int)ATTR_LENGTH(attr
.za_first_integer
),
524 (int)ATTR_BSWAP(attr
.za_first_integer
),
525 (int)ATTR_NUM(attr
.za_first_integer
));
527 zap_cursor_fini(&zc
);
532 dump_sa_layouts(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
535 zap_attribute_t attr
;
536 uint16_t *layout_attrs
;
539 dump_zap_stats(os
, object
);
542 for (zap_cursor_init(&zc
, os
, object
);
543 zap_cursor_retrieve(&zc
, &attr
) == 0;
544 zap_cursor_advance(&zc
)) {
545 (void) printf("\t\t%s = [", attr
.za_name
);
546 if (attr
.za_num_integers
== 0) {
551 VERIFY(attr
.za_integer_length
== 2);
552 layout_attrs
= umem_zalloc(attr
.za_num_integers
*
553 attr
.za_integer_length
, UMEM_NOFAIL
);
555 VERIFY(zap_lookup(os
, object
, attr
.za_name
,
556 attr
.za_integer_length
,
557 attr
.za_num_integers
, layout_attrs
) == 0);
559 for (i
= 0; i
!= attr
.za_num_integers
; i
++)
560 (void) printf(" %d ", (int)layout_attrs
[i
]);
561 (void) printf("]\n");
562 umem_free(layout_attrs
,
563 attr
.za_num_integers
* attr
.za_integer_length
);
565 zap_cursor_fini(&zc
);
570 dump_zpldir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
573 zap_attribute_t attr
;
574 const char *typenames
[] = {
575 /* 0 */ "not specified",
577 /* 2 */ "Character Device",
578 /* 3 */ "3 (invalid)",
580 /* 5 */ "5 (invalid)",
581 /* 6 */ "Block Device",
582 /* 7 */ "7 (invalid)",
583 /* 8 */ "Regular File",
584 /* 9 */ "9 (invalid)",
585 /* 10 */ "Symbolic Link",
586 /* 11 */ "11 (invalid)",
589 /* 14 */ "Event Port",
590 /* 15 */ "15 (invalid)",
593 dump_zap_stats(os
, object
);
596 for (zap_cursor_init(&zc
, os
, object
);
597 zap_cursor_retrieve(&zc
, &attr
) == 0;
598 zap_cursor_advance(&zc
)) {
599 (void) printf("\t\t%s = %lld (type: %s)\n",
600 attr
.za_name
, ZFS_DIRENT_OBJ(attr
.za_first_integer
),
601 typenames
[ZFS_DIRENT_TYPE(attr
.za_first_integer
)]);
603 zap_cursor_fini(&zc
);
607 get_dtl_refcount(vdev_t
*vd
)
612 if (vd
->vdev_ops
->vdev_op_leaf
) {
613 space_map_t
*sm
= vd
->vdev_dtl_sm
;
616 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
621 for (c
= 0; c
< vd
->vdev_children
; c
++)
622 refcount
+= get_dtl_refcount(vd
->vdev_child
[c
]);
627 get_metaslab_refcount(vdev_t
*vd
)
632 if (vd
->vdev_top
== vd
&& !vd
->vdev_removing
) {
633 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
634 space_map_t
*sm
= vd
->vdev_ms
[m
]->ms_sm
;
637 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
641 for (c
= 0; c
< vd
->vdev_children
; c
++)
642 refcount
+= get_metaslab_refcount(vd
->vdev_child
[c
]);
648 verify_spacemap_refcounts(spa_t
*spa
)
650 uint64_t expected_refcount
= 0;
651 uint64_t actual_refcount
;
653 (void) feature_get_refcount(spa
,
654 &spa_feature_table
[SPA_FEATURE_SPACEMAP_HISTOGRAM
],
656 actual_refcount
= get_dtl_refcount(spa
->spa_root_vdev
);
657 actual_refcount
+= get_metaslab_refcount(spa
->spa_root_vdev
);
659 if (expected_refcount
!= actual_refcount
) {
660 (void) printf("space map refcount mismatch: expected %lld != "
662 (longlong_t
)expected_refcount
,
663 (longlong_t
)actual_refcount
);
670 dump_spacemap(objset_t
*os
, space_map_t
*sm
)
672 uint64_t alloc
, offset
, entry
;
673 char *ddata
[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
674 "INVALID", "INVALID", "INVALID", "INVALID" };
680 * Print out the freelist entries in both encoded and decoded form.
683 for (offset
= 0; offset
< space_map_length(sm
);
684 offset
+= sizeof (entry
)) {
685 uint8_t mapshift
= sm
->sm_shift
;
687 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
688 sizeof (entry
), &entry
, DMU_READ_PREFETCH
));
689 if (SM_DEBUG_DECODE(entry
)) {
691 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
692 (u_longlong_t
)(offset
/ sizeof (entry
)),
693 ddata
[SM_DEBUG_ACTION_DECODE(entry
)],
694 (u_longlong_t
)SM_DEBUG_TXG_DECODE(entry
),
695 (u_longlong_t
)SM_DEBUG_SYNCPASS_DECODE(entry
));
697 (void) printf("\t [%6llu] %c range:"
698 " %010llx-%010llx size: %06llx\n",
699 (u_longlong_t
)(offset
/ sizeof (entry
)),
700 SM_TYPE_DECODE(entry
) == SM_ALLOC
? 'A' : 'F',
701 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
702 mapshift
) + sm
->sm_start
),
703 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
704 mapshift
) + sm
->sm_start
+
705 (SM_RUN_DECODE(entry
) << mapshift
)),
706 (u_longlong_t
)(SM_RUN_DECODE(entry
) << mapshift
));
707 if (SM_TYPE_DECODE(entry
) == SM_ALLOC
)
708 alloc
+= SM_RUN_DECODE(entry
) << mapshift
;
710 alloc
-= SM_RUN_DECODE(entry
) << mapshift
;
713 if (alloc
!= space_map_allocated(sm
)) {
714 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
715 "with space map summary (%llu)\n",
716 (u_longlong_t
)space_map_allocated(sm
), (u_longlong_t
)alloc
);
721 dump_metaslab_stats(metaslab_t
*msp
)
724 range_tree_t
*rt
= msp
->ms_tree
;
725 avl_tree_t
*t
= &msp
->ms_size_tree
;
726 int free_pct
= range_tree_space(rt
) * 100 / msp
->ms_size
;
728 zdb_nicenum(metaslab_block_maxsize(msp
), maxbuf
);
730 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
731 "segments", avl_numnodes(t
), "maxsize", maxbuf
,
732 "freepct", free_pct
);
733 (void) printf("\tIn-memory histogram:\n");
734 dump_histogram(rt
->rt_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
738 dump_metaslab(metaslab_t
*msp
)
740 vdev_t
*vd
= msp
->ms_group
->mg_vd
;
741 spa_t
*spa
= vd
->vdev_spa
;
742 space_map_t
*sm
= msp
->ms_sm
;
745 zdb_nicenum(msp
->ms_size
- space_map_allocated(sm
), freebuf
);
748 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
749 (u_longlong_t
)msp
->ms_id
, (u_longlong_t
)msp
->ms_start
,
750 (u_longlong_t
)space_map_object(sm
), freebuf
);
752 if (dump_opt
['m'] > 2 && !dump_opt
['L']) {
753 mutex_enter(&msp
->ms_lock
);
754 metaslab_load_wait(msp
);
755 if (!msp
->ms_loaded
) {
756 VERIFY0(metaslab_load(msp
));
757 range_tree_stat_verify(msp
->ms_tree
);
759 dump_metaslab_stats(msp
);
760 metaslab_unload(msp
);
761 mutex_exit(&msp
->ms_lock
);
764 if (dump_opt
['m'] > 1 && sm
!= NULL
&&
765 spa_feature_is_active(spa
, SPA_FEATURE_SPACEMAP_HISTOGRAM
)) {
767 * The space map histogram represents free space in chunks
768 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
770 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
771 (u_longlong_t
)msp
->ms_fragmentation
);
772 dump_histogram(sm
->sm_phys
->smp_histogram
,
773 SPACE_MAP_HISTOGRAM_SIZE
, sm
->sm_shift
);
776 if (dump_opt
['d'] > 5 || dump_opt
['m'] > 3) {
777 ASSERT(msp
->ms_size
== (1ULL << vd
->vdev_ms_shift
));
779 mutex_enter(&msp
->ms_lock
);
780 dump_spacemap(spa
->spa_meta_objset
, msp
->ms_sm
);
781 mutex_exit(&msp
->ms_lock
);
786 print_vdev_metaslab_header(vdev_t
*vd
)
788 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
789 (u_longlong_t
)vd
->vdev_id
,
790 "metaslabs", (u_longlong_t
)vd
->vdev_ms_count
,
791 "offset", "spacemap", "free");
792 (void) printf("\t%15s %19s %15s %10s\n",
793 "---------------", "-------------------",
794 "---------------", "-------------");
798 dump_metaslab_groups(spa_t
*spa
)
800 vdev_t
*rvd
= spa
->spa_root_vdev
;
801 metaslab_class_t
*mc
= spa_normal_class(spa
);
802 uint64_t fragmentation
;
805 metaslab_class_histogram_verify(mc
);
807 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
808 vdev_t
*tvd
= rvd
->vdev_child
[c
];
809 metaslab_group_t
*mg
= tvd
->vdev_mg
;
811 if (mg
->mg_class
!= mc
)
814 metaslab_group_histogram_verify(mg
);
815 mg
->mg_fragmentation
= metaslab_group_fragmentation(mg
);
817 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
819 (u_longlong_t
)tvd
->vdev_id
,
820 (u_longlong_t
)tvd
->vdev_ms_count
);
821 if (mg
->mg_fragmentation
== ZFS_FRAG_INVALID
) {
822 (void) printf("%3s\n", "-");
824 (void) printf("%3llu%%\n",
825 (u_longlong_t
)mg
->mg_fragmentation
);
827 dump_histogram(mg
->mg_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
830 (void) printf("\tpool %s\tfragmentation", spa_name(spa
));
831 fragmentation
= metaslab_class_fragmentation(mc
);
832 if (fragmentation
== ZFS_FRAG_INVALID
)
833 (void) printf("\t%3s\n", "-");
835 (void) printf("\t%3llu%%\n", (u_longlong_t
)fragmentation
);
836 dump_histogram(mc
->mc_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
840 dump_metaslabs(spa_t
*spa
)
842 vdev_t
*vd
, *rvd
= spa
->spa_root_vdev
;
843 uint64_t m
, c
= 0, children
= rvd
->vdev_children
;
845 (void) printf("\nMetaslabs:\n");
847 if (!dump_opt
['d'] && zopt_objects
> 0) {
851 (void) fatal("bad vdev id: %llu", (u_longlong_t
)c
);
853 if (zopt_objects
> 1) {
854 vd
= rvd
->vdev_child
[c
];
855 print_vdev_metaslab_header(vd
);
857 for (m
= 1; m
< zopt_objects
; m
++) {
858 if (zopt_object
[m
] < vd
->vdev_ms_count
)
860 vd
->vdev_ms
[zopt_object
[m
]]);
862 (void) fprintf(stderr
, "bad metaslab "
864 (u_longlong_t
)zopt_object
[m
]);
871 for (; c
< children
; c
++) {
872 vd
= rvd
->vdev_child
[c
];
873 print_vdev_metaslab_header(vd
);
875 for (m
= 0; m
< vd
->vdev_ms_count
; m
++)
876 dump_metaslab(vd
->vdev_ms
[m
]);
882 dump_dde(const ddt_t
*ddt
, const ddt_entry_t
*dde
, uint64_t index
)
884 const ddt_phys_t
*ddp
= dde
->dde_phys
;
885 const ddt_key_t
*ddk
= &dde
->dde_key
;
886 char *types
[4] = { "ditto", "single", "double", "triple" };
887 char blkbuf
[BP_SPRINTF_LEN
];
891 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
892 if (ddp
->ddp_phys_birth
== 0)
894 ddt_bp_create(ddt
->ddt_checksum
, ddk
, ddp
, &blk
);
895 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &blk
);
896 (void) printf("index %llx refcnt %llu %s %s\n",
897 (u_longlong_t
)index
, (u_longlong_t
)ddp
->ddp_refcnt
,
903 dump_dedup_ratio(const ddt_stat_t
*dds
)
905 double rL
, rP
, rD
, D
, dedup
, compress
, copies
;
907 if (dds
->dds_blocks
== 0)
910 rL
= (double)dds
->dds_ref_lsize
;
911 rP
= (double)dds
->dds_ref_psize
;
912 rD
= (double)dds
->dds_ref_dsize
;
913 D
= (double)dds
->dds_dsize
;
919 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
920 "dedup * compress / copies = %.2f\n\n",
921 dedup
, compress
, copies
, dedup
* compress
/ copies
);
925 dump_ddt(ddt_t
*ddt
, enum ddt_type type
, enum ddt_class
class)
927 char name
[DDT_NAMELEN
];
930 dmu_object_info_t doi
;
931 uint64_t count
, dspace
, mspace
;
934 error
= ddt_object_info(ddt
, type
, class, &doi
);
940 error
= ddt_object_count(ddt
, type
, class, &count
);
945 dspace
= doi
.doi_physical_blocks_512
<< 9;
946 mspace
= doi
.doi_fill_count
* doi
.doi_data_block_size
;
948 ddt_object_name(ddt
, type
, class, name
);
950 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
953 (u_longlong_t
)(dspace
/ count
),
954 (u_longlong_t
)(mspace
/ count
));
956 if (dump_opt
['D'] < 3)
959 zpool_dump_ddt(NULL
, &ddt
->ddt_histogram
[type
][class]);
961 if (dump_opt
['D'] < 4)
964 if (dump_opt
['D'] < 5 && class == DDT_CLASS_UNIQUE
)
967 (void) printf("%s contents:\n\n", name
);
969 while ((error
= ddt_object_walk(ddt
, type
, class, &walk
, &dde
)) == 0)
970 dump_dde(ddt
, &dde
, walk
);
972 ASSERT(error
== ENOENT
);
978 dump_all_ddts(spa_t
*spa
)
980 ddt_histogram_t ddh_total
;
981 ddt_stat_t dds_total
;
984 enum ddt_class
class;
986 bzero(&ddh_total
, sizeof (ddt_histogram_t
));
987 bzero(&dds_total
, sizeof (ddt_stat_t
));
989 for (c
= 0; c
< ZIO_CHECKSUM_FUNCTIONS
; c
++) {
990 ddt_t
*ddt
= spa
->spa_ddt
[c
];
991 for (type
= 0; type
< DDT_TYPES
; type
++) {
992 for (class = 0; class < DDT_CLASSES
;
994 dump_ddt(ddt
, type
, class);
999 ddt_get_dedup_stats(spa
, &dds_total
);
1001 if (dds_total
.dds_blocks
== 0) {
1002 (void) printf("All DDTs are empty\n");
1006 (void) printf("\n");
1008 if (dump_opt
['D'] > 1) {
1009 (void) printf("DDT histogram (aggregated over all DDTs):\n");
1010 ddt_get_dedup_histogram(spa
, &ddh_total
);
1011 zpool_dump_ddt(&dds_total
, &ddh_total
);
1014 dump_dedup_ratio(&dds_total
);
1018 dump_dtl_seg(void *arg
, uint64_t start
, uint64_t size
)
1022 (void) printf("%s [%llu,%llu) length %llu\n",
1024 (u_longlong_t
)start
,
1025 (u_longlong_t
)(start
+ size
),
1026 (u_longlong_t
)(size
));
1030 dump_dtl(vdev_t
*vd
, int indent
)
1032 spa_t
*spa
= vd
->vdev_spa
;
1034 char *name
[DTL_TYPES
] = { "missing", "partial", "scrub", "outage" };
1038 spa_vdev_state_enter(spa
, SCL_NONE
);
1039 required
= vdev_dtl_required(vd
);
1040 (void) spa_vdev_state_exit(spa
, NULL
, 0);
1043 (void) printf("\nDirty time logs:\n\n");
1045 (void) printf("\t%*s%s [%s]\n", indent
, "",
1046 vd
->vdev_path
? vd
->vdev_path
:
1047 vd
->vdev_parent
? vd
->vdev_ops
->vdev_op_type
: spa_name(spa
),
1048 required
? "DTL-required" : "DTL-expendable");
1050 for (t
= 0; t
< DTL_TYPES
; t
++) {
1051 range_tree_t
*rt
= vd
->vdev_dtl
[t
];
1052 if (range_tree_space(rt
) == 0)
1054 (void) snprintf(prefix
, sizeof (prefix
), "\t%*s%s",
1055 indent
+ 2, "", name
[t
]);
1056 mutex_enter(rt
->rt_lock
);
1057 range_tree_walk(rt
, dump_dtl_seg
, prefix
);
1058 mutex_exit(rt
->rt_lock
);
1059 if (dump_opt
['d'] > 5 && vd
->vdev_children
== 0)
1060 dump_spacemap(spa
->spa_meta_objset
,
1064 for (c
= 0; c
< vd
->vdev_children
; c
++)
1065 dump_dtl(vd
->vdev_child
[c
], indent
+ 4);
1069 dump_history(spa_t
*spa
)
1071 nvlist_t
**events
= NULL
;
1072 char buf
[SPA_MAXBLOCKSIZE
];
1073 uint64_t resid
, len
, off
= 0;
1079 char internalstr
[MAXPATHLEN
];
1085 if ((error
= spa_history_get(spa
, &off
, &len
, buf
)) != 0) {
1086 (void) fprintf(stderr
, "Unable to read history: "
1087 "error %d\n", error
);
1091 if (zpool_history_unpack(buf
, len
, &resid
, &events
, &num
) != 0)
1097 (void) printf("\nHistory:\n");
1098 for (i
= 0; i
< num
; i
++) {
1099 uint64_t time
, txg
, ievent
;
1101 boolean_t printed
= B_FALSE
;
1103 if (nvlist_lookup_uint64(events
[i
], ZPOOL_HIST_TIME
,
1106 if (nvlist_lookup_string(events
[i
], ZPOOL_HIST_CMD
,
1108 if (nvlist_lookup_uint64(events
[i
],
1109 ZPOOL_HIST_INT_EVENT
, &ievent
) != 0)
1111 verify(nvlist_lookup_uint64(events
[i
],
1112 ZPOOL_HIST_TXG
, &txg
) == 0);
1113 verify(nvlist_lookup_string(events
[i
],
1114 ZPOOL_HIST_INT_STR
, &intstr
) == 0);
1115 if (ievent
>= ZFS_NUM_LEGACY_HISTORY_EVENTS
)
1118 (void) snprintf(internalstr
,
1119 sizeof (internalstr
),
1120 "[internal %s txg:%lld] %s",
1121 zfs_history_event_names
[ievent
],
1122 (longlong_t
)txg
, intstr
);
1126 (void) localtime_r(&tsec
, &t
);
1127 (void) strftime(tbuf
, sizeof (tbuf
), "%F.%T", &t
);
1128 (void) printf("%s %s\n", tbuf
, cmd
);
1132 if (dump_opt
['h'] > 1) {
1134 (void) printf("unrecognized record:\n");
1135 dump_nvlist(events
[i
], 2);
1142 dump_dnode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1147 blkid2offset(const dnode_phys_t
*dnp
, const blkptr_t
*bp
,
1148 const zbookmark_phys_t
*zb
)
1151 ASSERT(zb
->zb_level
< 0);
1152 if (zb
->zb_object
== 0)
1153 return (zb
->zb_blkid
);
1154 return (zb
->zb_blkid
* BP_GET_LSIZE(bp
));
1157 ASSERT(zb
->zb_level
>= 0);
1159 return ((zb
->zb_blkid
<<
1160 (zb
->zb_level
* (dnp
->dn_indblkshift
- SPA_BLKPTRSHIFT
))) *
1161 dnp
->dn_datablkszsec
<< SPA_MINBLOCKSHIFT
);
1165 snprintf_blkptr_compact(char *blkbuf
, size_t buflen
, const blkptr_t
*bp
)
1167 const dva_t
*dva
= bp
->blk_dva
;
1168 int ndvas
= dump_opt
['d'] > 5 ? BP_GET_NDVAS(bp
) : 1;
1171 if (dump_opt
['b'] >= 6) {
1172 snprintf_blkptr(blkbuf
, buflen
, bp
);
1176 if (BP_IS_EMBEDDED(bp
)) {
1177 (void) sprintf(blkbuf
,
1178 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1179 (int)BPE_GET_ETYPE(bp
),
1180 (u_longlong_t
)BPE_GET_LSIZE(bp
),
1181 (u_longlong_t
)BPE_GET_PSIZE(bp
),
1182 (u_longlong_t
)bp
->blk_birth
);
1188 for (i
= 0; i
< ndvas
; i
++)
1189 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1190 buflen
- strlen(blkbuf
), "%llu:%llx:%llx ",
1191 (u_longlong_t
)DVA_GET_VDEV(&dva
[i
]),
1192 (u_longlong_t
)DVA_GET_OFFSET(&dva
[i
]),
1193 (u_longlong_t
)DVA_GET_ASIZE(&dva
[i
]));
1195 if (BP_IS_HOLE(bp
)) {
1196 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1197 buflen
- strlen(blkbuf
),
1199 (u_longlong_t
)BP_GET_LSIZE(bp
),
1200 (u_longlong_t
)bp
->blk_birth
);
1202 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1203 buflen
- strlen(blkbuf
),
1204 "%llxL/%llxP F=%llu B=%llu/%llu",
1205 (u_longlong_t
)BP_GET_LSIZE(bp
),
1206 (u_longlong_t
)BP_GET_PSIZE(bp
),
1207 (u_longlong_t
)BP_GET_FILL(bp
),
1208 (u_longlong_t
)bp
->blk_birth
,
1209 (u_longlong_t
)BP_PHYSICAL_BIRTH(bp
));
1214 print_indirect(blkptr_t
*bp
, const zbookmark_phys_t
*zb
,
1215 const dnode_phys_t
*dnp
)
1217 char blkbuf
[BP_SPRINTF_LEN
];
1220 if (!BP_IS_EMBEDDED(bp
)) {
1221 ASSERT3U(BP_GET_TYPE(bp
), ==, dnp
->dn_type
);
1222 ASSERT3U(BP_GET_LEVEL(bp
), ==, zb
->zb_level
);
1225 (void) printf("%16llx ", (u_longlong_t
)blkid2offset(dnp
, bp
, zb
));
1227 ASSERT(zb
->zb_level
>= 0);
1229 for (l
= dnp
->dn_nlevels
- 1; l
>= -1; l
--) {
1230 if (l
== zb
->zb_level
) {
1231 (void) printf("L%llx", (u_longlong_t
)zb
->zb_level
);
1237 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1238 (void) printf("%s\n", blkbuf
);
1242 visit_indirect(spa_t
*spa
, const dnode_phys_t
*dnp
,
1243 blkptr_t
*bp
, const zbookmark_phys_t
*zb
)
1247 if (bp
->blk_birth
== 0)
1250 print_indirect(bp
, zb
, dnp
);
1252 if (BP_GET_LEVEL(bp
) > 0 && !BP_IS_HOLE(bp
)) {
1253 arc_flags_t flags
= ARC_FLAG_WAIT
;
1256 int epb
= BP_GET_LSIZE(bp
) >> SPA_BLKPTRSHIFT
;
1260 err
= arc_read(NULL
, spa
, bp
, arc_getbuf_func
, &buf
,
1261 ZIO_PRIORITY_ASYNC_READ
, ZIO_FLAG_CANFAIL
, &flags
, zb
);
1264 ASSERT(buf
->b_data
);
1266 /* recursively visit blocks below this */
1268 for (i
= 0; i
< epb
; i
++, cbp
++) {
1269 zbookmark_phys_t czb
;
1271 SET_BOOKMARK(&czb
, zb
->zb_objset
, zb
->zb_object
,
1273 zb
->zb_blkid
* epb
+ i
);
1274 err
= visit_indirect(spa
, dnp
, cbp
, &czb
);
1277 fill
+= BP_GET_FILL(cbp
);
1280 ASSERT3U(fill
, ==, BP_GET_FILL(bp
));
1281 (void) arc_buf_remove_ref(buf
, &buf
);
1289 dump_indirect(dnode_t
*dn
)
1291 dnode_phys_t
*dnp
= dn
->dn_phys
;
1293 zbookmark_phys_t czb
;
1295 (void) printf("Indirect blocks:\n");
1297 SET_BOOKMARK(&czb
, dmu_objset_id(dn
->dn_objset
),
1298 dn
->dn_object
, dnp
->dn_nlevels
- 1, 0);
1299 for (j
= 0; j
< dnp
->dn_nblkptr
; j
++) {
1301 (void) visit_indirect(dmu_objset_spa(dn
->dn_objset
), dnp
,
1302 &dnp
->dn_blkptr
[j
], &czb
);
1305 (void) printf("\n");
1310 dump_dsl_dir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1312 dsl_dir_phys_t
*dd
= data
;
1319 ASSERT3U(size
, >=, sizeof (dsl_dir_phys_t
));
1321 crtime
= dd
->dd_creation_time
;
1322 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1323 (void) printf("\t\thead_dataset_obj = %llu\n",
1324 (u_longlong_t
)dd
->dd_head_dataset_obj
);
1325 (void) printf("\t\tparent_dir_obj = %llu\n",
1326 (u_longlong_t
)dd
->dd_parent_obj
);
1327 (void) printf("\t\torigin_obj = %llu\n",
1328 (u_longlong_t
)dd
->dd_origin_obj
);
1329 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1330 (u_longlong_t
)dd
->dd_child_dir_zapobj
);
1331 zdb_nicenum(dd
->dd_used_bytes
, nice
);
1332 (void) printf("\t\tused_bytes = %s\n", nice
);
1333 zdb_nicenum(dd
->dd_compressed_bytes
, nice
);
1334 (void) printf("\t\tcompressed_bytes = %s\n", nice
);
1335 zdb_nicenum(dd
->dd_uncompressed_bytes
, nice
);
1336 (void) printf("\t\tuncompressed_bytes = %s\n", nice
);
1337 zdb_nicenum(dd
->dd_quota
, nice
);
1338 (void) printf("\t\tquota = %s\n", nice
);
1339 zdb_nicenum(dd
->dd_reserved
, nice
);
1340 (void) printf("\t\treserved = %s\n", nice
);
1341 (void) printf("\t\tprops_zapobj = %llu\n",
1342 (u_longlong_t
)dd
->dd_props_zapobj
);
1343 (void) printf("\t\tdeleg_zapobj = %llu\n",
1344 (u_longlong_t
)dd
->dd_deleg_zapobj
);
1345 (void) printf("\t\tflags = %llx\n",
1346 (u_longlong_t
)dd
->dd_flags
);
1349 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1350 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1361 dump_dsl_dataset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1363 dsl_dataset_phys_t
*ds
= data
;
1365 char used
[32], compressed
[32], uncompressed
[32], unique
[32];
1366 char blkbuf
[BP_SPRINTF_LEN
];
1371 ASSERT(size
== sizeof (*ds
));
1372 crtime
= ds
->ds_creation_time
;
1373 zdb_nicenum(ds
->ds_referenced_bytes
, used
);
1374 zdb_nicenum(ds
->ds_compressed_bytes
, compressed
);
1375 zdb_nicenum(ds
->ds_uncompressed_bytes
, uncompressed
);
1376 zdb_nicenum(ds
->ds_unique_bytes
, unique
);
1377 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ds
->ds_bp
);
1379 (void) printf("\t\tdir_obj = %llu\n",
1380 (u_longlong_t
)ds
->ds_dir_obj
);
1381 (void) printf("\t\tprev_snap_obj = %llu\n",
1382 (u_longlong_t
)ds
->ds_prev_snap_obj
);
1383 (void) printf("\t\tprev_snap_txg = %llu\n",
1384 (u_longlong_t
)ds
->ds_prev_snap_txg
);
1385 (void) printf("\t\tnext_snap_obj = %llu\n",
1386 (u_longlong_t
)ds
->ds_next_snap_obj
);
1387 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1388 (u_longlong_t
)ds
->ds_snapnames_zapobj
);
1389 (void) printf("\t\tnum_children = %llu\n",
1390 (u_longlong_t
)ds
->ds_num_children
);
1391 (void) printf("\t\tuserrefs_obj = %llu\n",
1392 (u_longlong_t
)ds
->ds_userrefs_obj
);
1393 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1394 (void) printf("\t\tcreation_txg = %llu\n",
1395 (u_longlong_t
)ds
->ds_creation_txg
);
1396 (void) printf("\t\tdeadlist_obj = %llu\n",
1397 (u_longlong_t
)ds
->ds_deadlist_obj
);
1398 (void) printf("\t\tused_bytes = %s\n", used
);
1399 (void) printf("\t\tcompressed_bytes = %s\n", compressed
);
1400 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed
);
1401 (void) printf("\t\tunique = %s\n", unique
);
1402 (void) printf("\t\tfsid_guid = %llu\n",
1403 (u_longlong_t
)ds
->ds_fsid_guid
);
1404 (void) printf("\t\tguid = %llu\n",
1405 (u_longlong_t
)ds
->ds_guid
);
1406 (void) printf("\t\tflags = %llx\n",
1407 (u_longlong_t
)ds
->ds_flags
);
1408 (void) printf("\t\tnext_clones_obj = %llu\n",
1409 (u_longlong_t
)ds
->ds_next_clones_obj
);
1410 (void) printf("\t\tprops_obj = %llu\n",
1411 (u_longlong_t
)ds
->ds_props_obj
);
1412 (void) printf("\t\tbp = %s\n", blkbuf
);
1417 dump_bptree_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1419 char blkbuf
[BP_SPRINTF_LEN
];
1421 if (bp
->blk_birth
!= 0) {
1422 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
1423 (void) printf("\t%s\n", blkbuf
);
1429 dump_bptree(objset_t
*os
, uint64_t obj
, char *name
)
1435 if (dump_opt
['d'] < 3)
1438 VERIFY3U(0, ==, dmu_bonus_hold(os
, obj
, FTAG
, &db
));
1440 zdb_nicenum(bt
->bt_bytes
, bytes
);
1441 (void) printf("\n %s: %llu datasets, %s\n",
1442 name
, (unsigned long long)(bt
->bt_end
- bt
->bt_begin
), bytes
);
1443 dmu_buf_rele(db
, FTAG
);
1445 if (dump_opt
['d'] < 5)
1448 (void) printf("\n");
1450 (void) bptree_iterate(os
, obj
, B_FALSE
, dump_bptree_cb
, NULL
, NULL
);
1455 dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1457 char blkbuf
[BP_SPRINTF_LEN
];
1459 ASSERT(bp
->blk_birth
!= 0);
1460 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1461 (void) printf("\t%s\n", blkbuf
);
1466 dump_full_bpobj(bpobj_t
*bpo
, char *name
, int indent
)
1473 if (dump_opt
['d'] < 3)
1476 zdb_nicenum(bpo
->bpo_phys
->bpo_bytes
, bytes
);
1477 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
1478 zdb_nicenum(bpo
->bpo_phys
->bpo_comp
, comp
);
1479 zdb_nicenum(bpo
->bpo_phys
->bpo_uncomp
, uncomp
);
1480 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1481 "%llu subobjs in object, %llu, %s (%s/%s comp)\n",
1483 (u_longlong_t
)bpo
->bpo_object
,
1484 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1485 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
1486 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
1487 bytes
, comp
, uncomp
);
1489 for (i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
1493 VERIFY0(dmu_read(bpo
->bpo_os
,
1494 bpo
->bpo_phys
->bpo_subobjs
,
1495 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
1496 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
1498 (void) printf("ERROR %u while trying to open "
1500 error
, (u_longlong_t
)subobj
);
1503 dump_full_bpobj(&subbpo
, "subobj", indent
+ 1);
1506 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1508 (u_longlong_t
)bpo
->bpo_object
,
1509 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1513 if (dump_opt
['d'] < 5)
1518 (void) bpobj_iterate_nofree(bpo
, dump_bpobj_cb
, NULL
, NULL
);
1519 (void) printf("\n");
1524 dump_deadlist(dsl_deadlist_t
*dl
)
1526 dsl_deadlist_entry_t
*dle
;
1532 if (dump_opt
['d'] < 3)
1535 if (dl
->dl_oldfmt
) {
1536 dump_full_bpobj(&dl
->dl_bpobj
, "old-format deadlist", 0);
1540 zdb_nicenum(dl
->dl_phys
->dl_used
, bytes
);
1541 zdb_nicenum(dl
->dl_phys
->dl_comp
, comp
);
1542 zdb_nicenum(dl
->dl_phys
->dl_uncomp
, uncomp
);
1543 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1544 bytes
, comp
, uncomp
);
1546 if (dump_opt
['d'] < 4)
1549 (void) printf("\n");
1551 /* force the tree to be loaded */
1552 dsl_deadlist_space_range(dl
, 0, UINT64_MAX
, &unused
, &unused
, &unused
);
1554 for (dle
= avl_first(&dl
->dl_tree
); dle
;
1555 dle
= AVL_NEXT(&dl
->dl_tree
, dle
)) {
1556 if (dump_opt
['d'] >= 5) {
1558 (void) snprintf(buf
, sizeof (buf
),
1559 "mintxg %llu -> obj %llu",
1560 (longlong_t
)dle
->dle_mintxg
,
1561 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1563 dump_full_bpobj(&dle
->dle_bpobj
, buf
, 0);
1565 (void) printf("mintxg %llu -> obj %llu\n",
1566 (longlong_t
)dle
->dle_mintxg
,
1567 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1573 static avl_tree_t idx_tree
;
1574 static avl_tree_t domain_tree
;
1575 static boolean_t fuid_table_loaded
;
1576 static boolean_t sa_loaded
;
1577 sa_attr_type_t
*sa_attr_table
;
1580 fuid_table_destroy(void)
1582 if (fuid_table_loaded
) {
1583 zfs_fuid_table_destroy(&idx_tree
, &domain_tree
);
1584 fuid_table_loaded
= B_FALSE
;
1589 * print uid or gid information.
1590 * For normal POSIX id just the id is printed in decimal format.
1591 * For CIFS files with FUID the fuid is printed in hex followed by
1592 * the domain-rid string.
1595 print_idstr(uint64_t id
, const char *id_type
)
1597 if (FUID_INDEX(id
)) {
1600 domain
= zfs_fuid_idx_domain(&idx_tree
, FUID_INDEX(id
));
1601 (void) printf("\t%s %llx [%s-%d]\n", id_type
,
1602 (u_longlong_t
)id
, domain
, (int)FUID_RID(id
));
1604 (void) printf("\t%s %llu\n", id_type
, (u_longlong_t
)id
);
1610 dump_uidgid(objset_t
*os
, uint64_t uid
, uint64_t gid
)
1612 uint32_t uid_idx
, gid_idx
;
1614 uid_idx
= FUID_INDEX(uid
);
1615 gid_idx
= FUID_INDEX(gid
);
1617 /* Load domain table, if not already loaded */
1618 if (!fuid_table_loaded
&& (uid_idx
|| gid_idx
)) {
1621 /* first find the fuid object. It lives in the master node */
1622 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_FUID_TABLES
,
1623 8, 1, &fuid_obj
) == 0);
1624 zfs_fuid_avl_tree_create(&idx_tree
, &domain_tree
);
1625 (void) zfs_fuid_table_load(os
, fuid_obj
,
1626 &idx_tree
, &domain_tree
);
1627 fuid_table_loaded
= B_TRUE
;
1630 print_idstr(uid
, "uid");
1631 print_idstr(gid
, "gid");
1635 dump_znode_sa_xattr(sa_handle_t
*hdl
)
1638 nvpair_t
*elem
= NULL
;
1639 int sa_xattr_size
= 0;
1640 int sa_xattr_entries
= 0;
1642 char *sa_xattr_packed
;
1644 error
= sa_size(hdl
, sa_attr_table
[ZPL_DXATTR
], &sa_xattr_size
);
1645 if (error
|| sa_xattr_size
== 0)
1648 sa_xattr_packed
= malloc(sa_xattr_size
);
1649 if (sa_xattr_packed
== NULL
)
1652 error
= sa_lookup(hdl
, sa_attr_table
[ZPL_DXATTR
],
1653 sa_xattr_packed
, sa_xattr_size
);
1655 free(sa_xattr_packed
);
1659 error
= nvlist_unpack(sa_xattr_packed
, sa_xattr_size
, &sa_xattr
, 0);
1661 free(sa_xattr_packed
);
1665 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
)
1668 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
1669 sa_xattr_size
, sa_xattr_entries
);
1670 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
) {
1674 (void) printf("\t\t%s = ", nvpair_name(elem
));
1675 nvpair_value_byte_array(elem
, &value
, &cnt
);
1676 for (idx
= 0; idx
< cnt
; ++idx
) {
1677 if (isprint(value
[idx
]))
1678 (void) putchar(value
[idx
]);
1680 (void) printf("\\%3.3o", value
[idx
]);
1682 (void) putchar('\n');
1685 nvlist_free(sa_xattr
);
1686 free(sa_xattr_packed
);
1691 dump_znode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1693 char path
[MAXPATHLEN
* 2]; /* allow for xattr and failure prefix */
1695 uint64_t xattr
, rdev
, gen
;
1696 uint64_t uid
, gid
, mode
, fsize
, parent
, links
;
1698 uint64_t acctm
[2], modtm
[2], chgtm
[2], crtm
[2];
1699 time_t z_crtime
, z_atime
, z_mtime
, z_ctime
;
1700 sa_bulk_attr_t bulk
[12];
1705 uint64_t sa_attrs
= 0;
1708 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZPL_VERSION_STR
,
1709 8, 1, &version
) == 0);
1710 if (version
>= ZPL_VERSION_SA
) {
1711 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_SA_ATTRS
,
1712 8, 1, &sa_attrs
) == 0);
1714 if ((error
= sa_setup(os
, sa_attrs
, zfs_attr_table
,
1715 ZPL_END
, &sa_attr_table
)) != 0) {
1716 (void) printf("sa_setup failed errno %d, can't "
1717 "display znode contents\n", error
);
1723 if (sa_handle_get(os
, object
, NULL
, SA_HDL_PRIVATE
, &hdl
)) {
1724 (void) printf("Failed to get handle for SA znode\n");
1728 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_UID
], NULL
, &uid
, 8);
1729 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GID
], NULL
, &gid
, 8);
1730 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_LINKS
], NULL
,
1732 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GEN
], NULL
, &gen
, 8);
1733 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MODE
], NULL
,
1735 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_PARENT
],
1737 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_SIZE
], NULL
,
1739 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_ATIME
], NULL
,
1741 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MTIME
], NULL
,
1743 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CRTIME
], NULL
,
1745 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CTIME
], NULL
,
1747 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_FLAGS
], NULL
,
1750 if (sa_bulk_lookup(hdl
, bulk
, idx
)) {
1751 (void) sa_handle_destroy(hdl
);
1755 error
= zfs_obj_to_path(os
, object
, path
, sizeof (path
));
1757 (void) snprintf(path
, sizeof (path
), "\?\?\?<object#%llu>",
1758 (u_longlong_t
)object
);
1760 if (dump_opt
['d'] < 3) {
1761 (void) printf("\t%s\n", path
);
1762 (void) sa_handle_destroy(hdl
);
1766 z_crtime
= (time_t)crtm
[0];
1767 z_atime
= (time_t)acctm
[0];
1768 z_mtime
= (time_t)modtm
[0];
1769 z_ctime
= (time_t)chgtm
[0];
1771 (void) printf("\tpath %s\n", path
);
1772 dump_uidgid(os
, uid
, gid
);
1773 (void) printf("\tatime %s", ctime(&z_atime
));
1774 (void) printf("\tmtime %s", ctime(&z_mtime
));
1775 (void) printf("\tctime %s", ctime(&z_ctime
));
1776 (void) printf("\tcrtime %s", ctime(&z_crtime
));
1777 (void) printf("\tgen %llu\n", (u_longlong_t
)gen
);
1778 (void) printf("\tmode %llo\n", (u_longlong_t
)mode
);
1779 (void) printf("\tsize %llu\n", (u_longlong_t
)fsize
);
1780 (void) printf("\tparent %llu\n", (u_longlong_t
)parent
);
1781 (void) printf("\tlinks %llu\n", (u_longlong_t
)links
);
1782 (void) printf("\tpflags %llx\n", (u_longlong_t
)pflags
);
1783 if (sa_lookup(hdl
, sa_attr_table
[ZPL_XATTR
], &xattr
,
1784 sizeof (uint64_t)) == 0)
1785 (void) printf("\txattr %llu\n", (u_longlong_t
)xattr
);
1786 if (sa_lookup(hdl
, sa_attr_table
[ZPL_RDEV
], &rdev
,
1787 sizeof (uint64_t)) == 0)
1788 (void) printf("\trdev 0x%016llx\n", (u_longlong_t
)rdev
);
1789 dump_znode_sa_xattr(hdl
);
1790 sa_handle_destroy(hdl
);
1795 dump_acl(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1801 dump_dmu_objset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1805 static object_viewer_t
*object_viewer
[DMU_OT_NUMTYPES
+ 1] = {
1806 dump_none
, /* unallocated */
1807 dump_zap
, /* object directory */
1808 dump_uint64
, /* object array */
1809 dump_none
, /* packed nvlist */
1810 dump_packed_nvlist
, /* packed nvlist size */
1811 dump_none
, /* bpobj */
1812 dump_bpobj
, /* bpobj header */
1813 dump_none
, /* SPA space map header */
1814 dump_none
, /* SPA space map */
1815 dump_none
, /* ZIL intent log */
1816 dump_dnode
, /* DMU dnode */
1817 dump_dmu_objset
, /* DMU objset */
1818 dump_dsl_dir
, /* DSL directory */
1819 dump_zap
, /* DSL directory child map */
1820 dump_zap
, /* DSL dataset snap map */
1821 dump_zap
, /* DSL props */
1822 dump_dsl_dataset
, /* DSL dataset */
1823 dump_znode
, /* ZFS znode */
1824 dump_acl
, /* ZFS V0 ACL */
1825 dump_uint8
, /* ZFS plain file */
1826 dump_zpldir
, /* ZFS directory */
1827 dump_zap
, /* ZFS master node */
1828 dump_zap
, /* ZFS delete queue */
1829 dump_uint8
, /* zvol object */
1830 dump_zap
, /* zvol prop */
1831 dump_uint8
, /* other uint8[] */
1832 dump_uint64
, /* other uint64[] */
1833 dump_zap
, /* other ZAP */
1834 dump_zap
, /* persistent error log */
1835 dump_uint8
, /* SPA history */
1836 dump_history_offsets
, /* SPA history offsets */
1837 dump_zap
, /* Pool properties */
1838 dump_zap
, /* DSL permissions */
1839 dump_acl
, /* ZFS ACL */
1840 dump_uint8
, /* ZFS SYSACL */
1841 dump_none
, /* FUID nvlist */
1842 dump_packed_nvlist
, /* FUID nvlist size */
1843 dump_zap
, /* DSL dataset next clones */
1844 dump_zap
, /* DSL scrub queue */
1845 dump_zap
, /* ZFS user/group used */
1846 dump_zap
, /* ZFS user/group quota */
1847 dump_zap
, /* snapshot refcount tags */
1848 dump_ddt_zap
, /* DDT ZAP object */
1849 dump_zap
, /* DDT statistics */
1850 dump_znode
, /* SA object */
1851 dump_zap
, /* SA Master Node */
1852 dump_sa_attrs
, /* SA attribute registration */
1853 dump_sa_layouts
, /* SA attribute layouts */
1854 dump_zap
, /* DSL scrub translations */
1855 dump_none
, /* fake dedup BP */
1856 dump_zap
, /* deadlist */
1857 dump_none
, /* deadlist hdr */
1858 dump_zap
, /* dsl clones */
1859 dump_bpobj_subobjs
, /* bpobj subobjs */
1860 dump_unknown
, /* Unknown type, must be last */
1864 dump_object(objset_t
*os
, uint64_t object
, int verbosity
, int *print_header
)
1866 dmu_buf_t
*db
= NULL
;
1867 dmu_object_info_t doi
;
1871 char iblk
[32], dblk
[32], lsize
[32], asize
[32], fill
[32];
1872 char bonus_size
[32];
1876 if (*print_header
) {
1877 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1878 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1884 dn
= DMU_META_DNODE(os
);
1886 error
= dmu_bonus_hold(os
, object
, FTAG
, &db
);
1888 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1890 bonus
= db
->db_data
;
1891 bsize
= db
->db_size
;
1892 dn
= DB_DNODE((dmu_buf_impl_t
*)db
);
1894 dmu_object_info_from_dnode(dn
, &doi
);
1896 zdb_nicenum(doi
.doi_metadata_block_size
, iblk
);
1897 zdb_nicenum(doi
.doi_data_block_size
, dblk
);
1898 zdb_nicenum(doi
.doi_max_offset
, lsize
);
1899 zdb_nicenum(doi
.doi_physical_blocks_512
<< 9, asize
);
1900 zdb_nicenum(doi
.doi_bonus_size
, bonus_size
);
1901 (void) sprintf(fill
, "%6.2f", 100.0 * doi
.doi_fill_count
*
1902 doi
.doi_data_block_size
/ (object
== 0 ? DNODES_PER_BLOCK
: 1) /
1903 doi
.doi_max_offset
);
1907 if (doi
.doi_checksum
!= ZIO_CHECKSUM_INHERIT
|| verbosity
>= 6) {
1908 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
), " (K=%s)",
1909 ZDB_CHECKSUM_NAME(doi
.doi_checksum
));
1912 if (doi
.doi_compress
!= ZIO_COMPRESS_INHERIT
|| verbosity
>= 6) {
1913 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
), " (Z=%s)",
1914 ZDB_COMPRESS_NAME(doi
.doi_compress
));
1917 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1918 (u_longlong_t
)object
, doi
.doi_indirection
, iblk
, dblk
,
1919 asize
, lsize
, fill
, ZDB_OT_NAME(doi
.doi_type
), aux
);
1921 if (doi
.doi_bonus_type
!= DMU_OT_NONE
&& verbosity
> 3) {
1922 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1923 "", "", "", "", "", bonus_size
, "bonus",
1924 ZDB_OT_NAME(doi
.doi_bonus_type
));
1927 if (verbosity
>= 4) {
1928 (void) printf("\tdnode flags: %s%s%s\n",
1929 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USED_BYTES
) ?
1931 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USERUSED_ACCOUNTED
) ?
1932 "USERUSED_ACCOUNTED " : "",
1933 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) ?
1934 "SPILL_BLKPTR" : "");
1935 (void) printf("\tdnode maxblkid: %llu\n",
1936 (longlong_t
)dn
->dn_phys
->dn_maxblkid
);
1938 object_viewer
[ZDB_OT_TYPE(doi
.doi_bonus_type
)](os
, object
,
1940 object_viewer
[ZDB_OT_TYPE(doi
.doi_type
)](os
, object
, NULL
, 0);
1947 if (verbosity
>= 5) {
1949 * Report the list of segments that comprise the object.
1953 uint64_t blkfill
= 1;
1956 if (dn
->dn_type
== DMU_OT_DNODE
) {
1958 blkfill
= DNODES_PER_BLOCK
;
1963 error
= dnode_next_offset(dn
,
1964 0, &start
, minlvl
, blkfill
, 0);
1968 error
= dnode_next_offset(dn
,
1969 DNODE_FIND_HOLE
, &end
, minlvl
, blkfill
, 0);
1970 zdb_nicenum(end
- start
, segsize
);
1971 (void) printf("\t\tsegment [%016llx, %016llx)"
1972 " size %5s\n", (u_longlong_t
)start
,
1973 (u_longlong_t
)end
, segsize
);
1981 dmu_buf_rele(db
, FTAG
);
1984 static char *objset_types
[DMU_OST_NUMTYPES
] = {
1985 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1988 dump_dir(objset_t
*os
)
1990 dmu_objset_stats_t dds
;
1991 uint64_t object
, object_count
;
1992 uint64_t refdbytes
, usedobjs
, scratch
;
1994 char blkbuf
[BP_SPRINTF_LEN
+ 20];
1995 char osname
[MAXNAMELEN
];
1996 char *type
= "UNKNOWN";
1997 int verbosity
= dump_opt
['d'];
1998 int print_header
= 1;
2001 dsl_pool_config_enter(dmu_objset_pool(os
), FTAG
);
2002 dmu_objset_fast_stat(os
, &dds
);
2003 dsl_pool_config_exit(dmu_objset_pool(os
), FTAG
);
2005 if (dds
.dds_type
< DMU_OST_NUMTYPES
)
2006 type
= objset_types
[dds
.dds_type
];
2008 if (dds
.dds_type
== DMU_OST_META
) {
2009 dds
.dds_creation_txg
= TXG_INITIAL
;
2010 usedobjs
= BP_GET_FILL(os
->os_rootbp
);
2011 refdbytes
= dsl_dir_phys(os
->os_spa
->spa_dsl_pool
->dp_mos_dir
)->
2014 dmu_objset_space(os
, &refdbytes
, &scratch
, &usedobjs
, &scratch
);
2017 ASSERT3U(usedobjs
, ==, BP_GET_FILL(os
->os_rootbp
));
2019 zdb_nicenum(refdbytes
, numbuf
);
2021 if (verbosity
>= 4) {
2022 (void) snprintf(blkbuf
, sizeof (blkbuf
), ", rootbp ");
2023 (void) snprintf_blkptr(blkbuf
+ strlen(blkbuf
),
2024 sizeof (blkbuf
) - strlen(blkbuf
), os
->os_rootbp
);
2029 dmu_objset_name(os
, osname
);
2031 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
2032 "%s, %llu objects%s\n",
2033 osname
, type
, (u_longlong_t
)dmu_objset_id(os
),
2034 (u_longlong_t
)dds
.dds_creation_txg
,
2035 numbuf
, (u_longlong_t
)usedobjs
, blkbuf
);
2037 if (zopt_objects
!= 0) {
2038 for (i
= 0; i
< zopt_objects
; i
++)
2039 dump_object(os
, zopt_object
[i
], verbosity
,
2041 (void) printf("\n");
2045 if (dump_opt
['i'] != 0 || verbosity
>= 2)
2046 dump_intent_log(dmu_objset_zil(os
));
2048 if (dmu_objset_ds(os
) != NULL
)
2049 dump_deadlist(&dmu_objset_ds(os
)->ds_deadlist
);
2054 if (BP_IS_HOLE(os
->os_rootbp
))
2057 dump_object(os
, 0, verbosity
, &print_header
);
2059 if (DMU_USERUSED_DNODE(os
) != NULL
&&
2060 DMU_USERUSED_DNODE(os
)->dn_type
!= 0) {
2061 dump_object(os
, DMU_USERUSED_OBJECT
, verbosity
, &print_header
);
2062 dump_object(os
, DMU_GROUPUSED_OBJECT
, verbosity
, &print_header
);
2066 while ((error
= dmu_object_next(os
, &object
, B_FALSE
, 0)) == 0) {
2067 dump_object(os
, object
, verbosity
, &print_header
);
2071 ASSERT3U(object_count
, ==, usedobjs
);
2073 (void) printf("\n");
2075 if (error
!= ESRCH
) {
2076 (void) fprintf(stderr
, "dmu_object_next() = %d\n", error
);
2082 dump_uberblock(uberblock_t
*ub
, const char *header
, const char *footer
)
2084 time_t timestamp
= ub
->ub_timestamp
;
2086 (void) printf("%s", header
? header
: "");
2087 (void) printf("\tmagic = %016llx\n", (u_longlong_t
)ub
->ub_magic
);
2088 (void) printf("\tversion = %llu\n", (u_longlong_t
)ub
->ub_version
);
2089 (void) printf("\ttxg = %llu\n", (u_longlong_t
)ub
->ub_txg
);
2090 (void) printf("\tguid_sum = %llu\n", (u_longlong_t
)ub
->ub_guid_sum
);
2091 (void) printf("\ttimestamp = %llu UTC = %s",
2092 (u_longlong_t
)ub
->ub_timestamp
, asctime(localtime(×tamp
)));
2093 if (dump_opt
['u'] >= 3) {
2094 char blkbuf
[BP_SPRINTF_LEN
];
2095 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ub
->ub_rootbp
);
2096 (void) printf("\trootbp = %s\n", blkbuf
);
2098 (void) printf("%s", footer
? footer
: "");
2102 dump_config(spa_t
*spa
)
2109 error
= dmu_bonus_hold(spa
->spa_meta_objset
,
2110 spa
->spa_config_object
, FTAG
, &db
);
2113 nvsize
= *(uint64_t *)db
->db_data
;
2114 dmu_buf_rele(db
, FTAG
);
2116 (void) printf("\nMOS Configuration:\n");
2117 dump_packed_nvlist(spa
->spa_meta_objset
,
2118 spa
->spa_config_object
, (void *)&nvsize
, 1);
2120 (void) fprintf(stderr
, "dmu_bonus_hold(%llu) failed, errno %d",
2121 (u_longlong_t
)spa
->spa_config_object
, error
);
2126 dump_cachefile(const char *cachefile
)
2129 struct stat64 statbuf
;
2133 if ((fd
= open64(cachefile
, O_RDONLY
)) < 0) {
2134 (void) printf("cannot open '%s': %s\n", cachefile
,
2139 if (fstat64(fd
, &statbuf
) != 0) {
2140 (void) printf("failed to stat '%s': %s\n", cachefile
,
2145 if ((buf
= malloc(statbuf
.st_size
)) == NULL
) {
2146 (void) fprintf(stderr
, "failed to allocate %llu bytes\n",
2147 (u_longlong_t
)statbuf
.st_size
);
2151 if (read(fd
, buf
, statbuf
.st_size
) != statbuf
.st_size
) {
2152 (void) fprintf(stderr
, "failed to read %llu bytes\n",
2153 (u_longlong_t
)statbuf
.st_size
);
2159 if (nvlist_unpack(buf
, statbuf
.st_size
, &config
, 0) != 0) {
2160 (void) fprintf(stderr
, "failed to unpack nvlist\n");
2166 dump_nvlist(config
, 0);
2168 nvlist_free(config
);
2171 #define ZDB_MAX_UB_HEADER_SIZE 32
2174 dump_label_uberblocks(vdev_label_t
*lbl
, uint64_t ashift
)
2178 char header
[ZDB_MAX_UB_HEADER_SIZE
];
2181 vd
.vdev_ashift
= ashift
;
2182 vdp
->vdev_top
= vdp
;
2184 for (i
= 0; i
< VDEV_UBERBLOCK_COUNT(vdp
); i
++) {
2185 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(vdp
, i
);
2186 uberblock_t
*ub
= (void *)((char *)lbl
+ uoff
);
2188 if (uberblock_verify(ub
))
2190 (void) snprintf(header
, ZDB_MAX_UB_HEADER_SIZE
,
2191 "Uberblock[%d]\n", i
);
2192 dump_uberblock(ub
, header
, "");
2197 dump_label(const char *dev
)
2201 char *path
, *buf
= label
.vl_vdev_phys
.vp_nvlist
;
2202 size_t buflen
= sizeof (label
.vl_vdev_phys
.vp_nvlist
);
2203 struct stat64 statbuf
;
2204 uint64_t psize
, ashift
;
2205 int len
= strlen(dev
) + 1;
2208 if (strncmp(dev
, "/dev/dsk/", 9) == 0) {
2211 (void) snprintf(path
, len
, "%s%s", "/dev/rdsk/", dev
+ 9);
2216 if ((fd
= open64(path
, O_RDONLY
)) < 0) {
2217 (void) printf("cannot open '%s': %s\n", path
, strerror(errno
));
2222 if (fstat64_blk(fd
, &statbuf
) != 0) {
2223 (void) printf("failed to stat '%s': %s\n", path
,
2230 psize
= statbuf
.st_size
;
2231 psize
= P2ALIGN(psize
, (uint64_t)sizeof (vdev_label_t
));
2233 for (l
= 0; l
< VDEV_LABELS
; l
++) {
2234 nvlist_t
*config
= NULL
;
2236 (void) printf("--------------------------------------------\n");
2237 (void) printf("LABEL %d\n", l
);
2238 (void) printf("--------------------------------------------\n");
2240 if (pread64(fd
, &label
, sizeof (label
),
2241 vdev_label_offset(psize
, l
, 0)) != sizeof (label
)) {
2242 (void) printf("failed to read label %d\n", l
);
2246 if (nvlist_unpack(buf
, buflen
, &config
, 0) != 0) {
2247 (void) printf("failed to unpack label %d\n", l
);
2248 ashift
= SPA_MINBLOCKSHIFT
;
2250 nvlist_t
*vdev_tree
= NULL
;
2252 dump_nvlist(config
, 4);
2253 if ((nvlist_lookup_nvlist(config
,
2254 ZPOOL_CONFIG_VDEV_TREE
, &vdev_tree
) != 0) ||
2255 (nvlist_lookup_uint64(vdev_tree
,
2256 ZPOOL_CONFIG_ASHIFT
, &ashift
) != 0))
2257 ashift
= SPA_MINBLOCKSHIFT
;
2258 nvlist_free(config
);
2261 dump_label_uberblocks(&label
, ashift
);
2268 static uint64_t num_large_blocks
;
2272 dump_one_dir(const char *dsname
, void *arg
)
2277 error
= dmu_objset_own(dsname
, DMU_OST_ANY
, B_TRUE
, FTAG
, &os
);
2279 (void) printf("Could not open %s, error %d\n", dsname
, error
);
2282 if (dmu_objset_ds(os
)->ds_large_blocks
)
2285 dmu_objset_disown(os
, FTAG
);
2286 fuid_table_destroy();
2287 sa_loaded
= B_FALSE
;
2294 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
2295 typedef struct zdb_blkstats
{
2301 uint64_t zb_ditto_samevdev
;
2302 uint64_t zb_psize_histogram
[PSIZE_HISTO_SIZE
];
2306 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2308 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2309 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2310 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2311 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2313 static char *zdb_ot_extname
[] = {
2320 #define ZB_TOTAL DN_MAX_LEVELS
2322 typedef struct zdb_cb
{
2323 zdb_blkstats_t zcb_type
[ZB_TOTAL
+ 1][ZDB_OT_TOTAL
+ 1];
2324 uint64_t zcb_dedup_asize
;
2325 uint64_t zcb_dedup_blocks
;
2326 uint64_t zcb_embedded_blocks
[NUM_BP_EMBEDDED_TYPES
];
2327 uint64_t zcb_embedded_histogram
[NUM_BP_EMBEDDED_TYPES
]
2330 uint64_t zcb_lastprint
;
2331 uint64_t zcb_totalasize
;
2332 uint64_t zcb_errors
[256];
2339 zdb_count_block(zdb_cb_t
*zcb
, zilog_t
*zilog
, const blkptr_t
*bp
,
2340 dmu_object_type_t type
)
2342 uint64_t refcnt
= 0;
2345 ASSERT(type
< ZDB_OT_TOTAL
);
2347 if (zilog
&& zil_bp_tree_add(zilog
, bp
) != 0)
2350 for (i
= 0; i
< 4; i
++) {
2351 int l
= (i
< 2) ? BP_GET_LEVEL(bp
) : ZB_TOTAL
;
2352 int t
= (i
& 1) ? type
: ZDB_OT_TOTAL
;
2354 zdb_blkstats_t
*zb
= &zcb
->zcb_type
[l
][t
];
2356 zb
->zb_asize
+= BP_GET_ASIZE(bp
);
2357 zb
->zb_lsize
+= BP_GET_LSIZE(bp
);
2358 zb
->zb_psize
+= BP_GET_PSIZE(bp
);
2362 * The histogram is only big enough to record blocks up to
2363 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
2366 int idx
= BP_GET_PSIZE(bp
) >> SPA_MINBLOCKSHIFT
;
2367 idx
= MIN(idx
, SPA_OLD_MAXBLOCKSIZE
/ SPA_MINBLOCKSIZE
+ 1);
2368 zb
->zb_psize_histogram
[idx
]++;
2370 zb
->zb_gangs
+= BP_COUNT_GANG(bp
);
2372 switch (BP_GET_NDVAS(bp
)) {
2374 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2375 DVA_GET_VDEV(&bp
->blk_dva
[1]))
2376 zb
->zb_ditto_samevdev
++;
2379 equal
= (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2380 DVA_GET_VDEV(&bp
->blk_dva
[1])) +
2381 (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2382 DVA_GET_VDEV(&bp
->blk_dva
[2])) +
2383 (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
2384 DVA_GET_VDEV(&bp
->blk_dva
[2]));
2386 zb
->zb_ditto_samevdev
++;
2392 if (BP_IS_EMBEDDED(bp
)) {
2393 zcb
->zcb_embedded_blocks
[BPE_GET_ETYPE(bp
)]++;
2394 zcb
->zcb_embedded_histogram
[BPE_GET_ETYPE(bp
)]
2395 [BPE_GET_PSIZE(bp
)]++;
2402 if (BP_GET_DEDUP(bp
)) {
2406 ddt
= ddt_select(zcb
->zcb_spa
, bp
);
2408 dde
= ddt_lookup(ddt
, bp
, B_FALSE
);
2413 ddt_phys_t
*ddp
= ddt_phys_select(dde
, bp
);
2414 ddt_phys_decref(ddp
);
2415 refcnt
= ddp
->ddp_refcnt
;
2416 if (ddt_phys_total_refcnt(dde
) == 0)
2417 ddt_remove(ddt
, dde
);
2422 VERIFY3U(zio_wait(zio_claim(NULL
, zcb
->zcb_spa
,
2423 refcnt
? 0 : spa_first_txg(zcb
->zcb_spa
),
2424 bp
, NULL
, NULL
, ZIO_FLAG_CANFAIL
)), ==, 0);
2428 zdb_blkptr_done(zio_t
*zio
)
2430 spa_t
*spa
= zio
->io_spa
;
2431 blkptr_t
*bp
= zio
->io_bp
;
2432 int ioerr
= zio
->io_error
;
2433 zdb_cb_t
*zcb
= zio
->io_private
;
2434 zbookmark_phys_t
*zb
= &zio
->io_bookmark
;
2436 zio_data_buf_free(zio
->io_data
, zio
->io_size
);
2438 mutex_enter(&spa
->spa_scrub_lock
);
2439 spa
->spa_scrub_inflight
--;
2440 cv_broadcast(&spa
->spa_scrub_io_cv
);
2442 if (ioerr
&& !(zio
->io_flags
& ZIO_FLAG_SPECULATIVE
)) {
2443 char blkbuf
[BP_SPRINTF_LEN
];
2445 zcb
->zcb_haderrors
= 1;
2446 zcb
->zcb_errors
[ioerr
]++;
2448 if (dump_opt
['b'] >= 2)
2449 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2453 (void) printf("zdb_blkptr_cb: "
2454 "Got error %d reading "
2455 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2457 (u_longlong_t
)zb
->zb_objset
,
2458 (u_longlong_t
)zb
->zb_object
,
2459 (u_longlong_t
)zb
->zb_level
,
2460 (u_longlong_t
)zb
->zb_blkid
,
2463 mutex_exit(&spa
->spa_scrub_lock
);
2467 zdb_blkptr_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
2468 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
2470 zdb_cb_t
*zcb
= arg
;
2471 dmu_object_type_t type
;
2472 boolean_t is_metadata
;
2474 if (dump_opt
['b'] >= 5 && bp
->blk_birth
> 0) {
2475 char blkbuf
[BP_SPRINTF_LEN
];
2476 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2477 (void) printf("objset %llu object %llu "
2478 "level %lld offset 0x%llx %s\n",
2479 (u_longlong_t
)zb
->zb_objset
,
2480 (u_longlong_t
)zb
->zb_object
,
2481 (longlong_t
)zb
->zb_level
,
2482 (u_longlong_t
)blkid2offset(dnp
, bp
, zb
),
2489 type
= BP_GET_TYPE(bp
);
2491 zdb_count_block(zcb
, zilog
, bp
,
2492 (type
& DMU_OT_NEWTYPE
) ? ZDB_OT_OTHER
: type
);
2494 is_metadata
= (BP_GET_LEVEL(bp
) != 0 || DMU_OT_IS_METADATA(type
));
2496 if (!BP_IS_EMBEDDED(bp
) &&
2497 (dump_opt
['c'] > 1 || (dump_opt
['c'] && is_metadata
))) {
2498 size_t size
= BP_GET_PSIZE(bp
);
2499 void *data
= zio_data_buf_alloc(size
);
2500 int flags
= ZIO_FLAG_CANFAIL
| ZIO_FLAG_SCRUB
| ZIO_FLAG_RAW
;
2502 /* If it's an intent log block, failure is expected. */
2503 if (zb
->zb_level
== ZB_ZIL_LEVEL
)
2504 flags
|= ZIO_FLAG_SPECULATIVE
;
2506 mutex_enter(&spa
->spa_scrub_lock
);
2507 while (spa
->spa_scrub_inflight
> max_inflight
)
2508 cv_wait(&spa
->spa_scrub_io_cv
, &spa
->spa_scrub_lock
);
2509 spa
->spa_scrub_inflight
++;
2510 mutex_exit(&spa
->spa_scrub_lock
);
2512 zio_nowait(zio_read(NULL
, spa
, bp
, data
, size
,
2513 zdb_blkptr_done
, zcb
, ZIO_PRIORITY_ASYNC_READ
, flags
, zb
));
2516 zcb
->zcb_readfails
= 0;
2518 /* only call gethrtime() every 100 blocks */
2525 if (dump_opt
['b'] < 5 && gethrtime() > zcb
->zcb_lastprint
+ NANOSEC
) {
2526 uint64_t now
= gethrtime();
2528 uint64_t bytes
= zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
].zb_asize
;
2530 1 + bytes
/ (1 + ((now
- zcb
->zcb_start
) / 1000 / 1000));
2532 (zcb
->zcb_totalasize
- bytes
) / 1024 / kb_per_sec
;
2534 zfs_nicenum(bytes
, buf
, sizeof (buf
));
2535 (void) fprintf(stderr
,
2536 "\r%5s completed (%4dMB/s) "
2537 "estimated time remaining: %uhr %02umin %02usec ",
2538 buf
, kb_per_sec
/ 1024,
2539 sec_remaining
/ 60 / 60,
2540 sec_remaining
/ 60 % 60,
2541 sec_remaining
% 60);
2543 zcb
->zcb_lastprint
= now
;
2550 zdb_leak(void *arg
, uint64_t start
, uint64_t size
)
2554 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2555 (u_longlong_t
)vd
->vdev_id
, (u_longlong_t
)start
, (u_longlong_t
)size
);
2558 static metaslab_ops_t zdb_metaslab_ops
= {
2563 zdb_ddt_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
2565 ddt_bookmark_t ddb
= { 0 };
2570 while ((error
= ddt_walk(spa
, &ddb
, &dde
)) == 0) {
2572 ddt_phys_t
*ddp
= dde
.dde_phys
;
2574 if (ddb
.ddb_class
== DDT_CLASS_UNIQUE
)
2577 ASSERT(ddt_phys_total_refcnt(&dde
) > 1);
2579 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
2580 if (ddp
->ddp_phys_birth
== 0)
2582 ddt_bp_create(ddb
.ddb_checksum
,
2583 &dde
.dde_key
, ddp
, &blk
);
2584 if (p
== DDT_PHYS_DITTO
) {
2585 zdb_count_block(zcb
, NULL
, &blk
, ZDB_OT_DITTO
);
2587 zcb
->zcb_dedup_asize
+=
2588 BP_GET_ASIZE(&blk
) * (ddp
->ddp_refcnt
- 1);
2589 zcb
->zcb_dedup_blocks
++;
2592 if (!dump_opt
['L']) {
2593 ddt_t
*ddt
= spa
->spa_ddt
[ddb
.ddb_checksum
];
2595 VERIFY(ddt_lookup(ddt
, &blk
, B_TRUE
) != NULL
);
2600 ASSERT(error
== ENOENT
);
2604 zdb_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
2609 if (!dump_opt
['L']) {
2610 vdev_t
*rvd
= spa
->spa_root_vdev
;
2611 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
2612 vdev_t
*vd
= rvd
->vdev_child
[c
];
2613 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
2614 metaslab_t
*msp
= vd
->vdev_ms
[m
];
2615 mutex_enter(&msp
->ms_lock
);
2616 metaslab_unload(msp
);
2619 * For leak detection, we overload the metaslab
2620 * ms_tree to contain allocated segments
2621 * instead of free segments. As a result,
2622 * we can't use the normal metaslab_load/unload
2625 if (msp
->ms_sm
!= NULL
) {
2626 (void) fprintf(stderr
,
2627 "\rloading space map for "
2628 "vdev %llu of %llu, "
2629 "metaslab %llu of %llu ...",
2631 (longlong_t
)rvd
->vdev_children
,
2633 (longlong_t
)vd
->vdev_ms_count
);
2635 msp
->ms_ops
= &zdb_metaslab_ops
;
2638 * We don't want to spend the CPU
2639 * manipulating the size-ordered
2640 * tree, so clear the range_tree
2643 msp
->ms_tree
->rt_ops
= NULL
;
2644 VERIFY0(space_map_load(msp
->ms_sm
,
2645 msp
->ms_tree
, SM_ALLOC
));
2646 msp
->ms_loaded
= B_TRUE
;
2648 mutex_exit(&msp
->ms_lock
);
2651 (void) fprintf(stderr
, "\n");
2654 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
2656 zdb_ddt_leak_init(spa
, zcb
);
2658 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
2662 zdb_leak_fini(spa_t
*spa
)
2666 if (!dump_opt
['L']) {
2667 vdev_t
*rvd
= spa
->spa_root_vdev
;
2668 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
2669 vdev_t
*vd
= rvd
->vdev_child
[c
];
2670 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
2671 metaslab_t
*msp
= vd
->vdev_ms
[m
];
2672 mutex_enter(&msp
->ms_lock
);
2675 * The ms_tree has been overloaded to
2676 * contain allocated segments. Now that we
2677 * finished traversing all blocks, any
2678 * block that remains in the ms_tree
2679 * represents an allocated block that we
2680 * did not claim during the traversal.
2681 * Claimed blocks would have been removed
2684 range_tree_vacate(msp
->ms_tree
, zdb_leak
, vd
);
2685 msp
->ms_loaded
= B_FALSE
;
2687 mutex_exit(&msp
->ms_lock
);
2695 count_block_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
2697 zdb_cb_t
*zcb
= arg
;
2699 if (dump_opt
['b'] >= 5) {
2700 char blkbuf
[BP_SPRINTF_LEN
];
2701 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2702 (void) printf("[%s] %s\n",
2703 "deferred free", blkbuf
);
2705 zdb_count_block(zcb
, NULL
, bp
, ZDB_OT_DEFERRED
);
2710 dump_block_stats(spa_t
*spa
)
2713 zdb_blkstats_t
*zb
, *tzb
;
2714 uint64_t norm_alloc
, norm_space
, total_alloc
, total_found
;
2715 int flags
= TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
| TRAVERSE_HARD
;
2716 boolean_t leaks
= B_FALSE
;
2718 bp_embedded_type_t i
;
2720 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
2721 (dump_opt
['c'] || !dump_opt
['L']) ? "to verify " : "",
2722 (dump_opt
['c'] == 1) ? "metadata " : "",
2723 dump_opt
['c'] ? "checksums " : "",
2724 (dump_opt
['c'] && !dump_opt
['L']) ? "and verify " : "",
2725 !dump_opt
['L'] ? "nothing leaked " : "");
2728 * Load all space maps as SM_ALLOC maps, then traverse the pool
2729 * claiming each block we discover. If the pool is perfectly
2730 * consistent, the space maps will be empty when we're done.
2731 * Anything left over is a leak; any block we can't claim (because
2732 * it's not part of any space map) is a double allocation,
2733 * reference to a freed block, or an unclaimed log block.
2735 bzero(&zcb
, sizeof (zdb_cb_t
));
2736 zdb_leak_init(spa
, &zcb
);
2739 * If there's a deferred-free bplist, process that first.
2741 (void) bpobj_iterate_nofree(&spa
->spa_deferred_bpobj
,
2742 count_block_cb
, &zcb
, NULL
);
2743 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
2744 (void) bpobj_iterate_nofree(&spa
->spa_dsl_pool
->dp_free_bpobj
,
2745 count_block_cb
, &zcb
, NULL
);
2747 if (spa_feature_is_active(spa
, SPA_FEATURE_ASYNC_DESTROY
)) {
2748 VERIFY3U(0, ==, bptree_iterate(spa
->spa_meta_objset
,
2749 spa
->spa_dsl_pool
->dp_bptree_obj
, B_FALSE
, count_block_cb
,
2753 if (dump_opt
['c'] > 1)
2754 flags
|= TRAVERSE_PREFETCH_DATA
;
2756 zcb
.zcb_totalasize
= metaslab_class_get_alloc(spa_normal_class(spa
));
2757 zcb
.zcb_start
= zcb
.zcb_lastprint
= gethrtime();
2758 zcb
.zcb_haderrors
|= traverse_pool(spa
, 0, flags
, zdb_blkptr_cb
, &zcb
);
2761 * If we've traversed the data blocks then we need to wait for those
2762 * I/Os to complete. We leverage "The Godfather" zio to wait on
2763 * all async I/Os to complete.
2765 if (dump_opt
['c']) {
2766 for (c
= 0; c
< max_ncpus
; c
++) {
2767 (void) zio_wait(spa
->spa_async_zio_root
[c
]);
2768 spa
->spa_async_zio_root
[c
] = zio_root(spa
, NULL
, NULL
,
2769 ZIO_FLAG_CANFAIL
| ZIO_FLAG_SPECULATIVE
|
2770 ZIO_FLAG_GODFATHER
);
2774 if (zcb
.zcb_haderrors
) {
2775 (void) printf("\nError counts:\n\n");
2776 (void) printf("\t%5s %s\n", "errno", "count");
2777 for (e
= 0; e
< 256; e
++) {
2778 if (zcb
.zcb_errors
[e
] != 0) {
2779 (void) printf("\t%5d %llu\n",
2780 e
, (u_longlong_t
)zcb
.zcb_errors
[e
]);
2786 * Report any leaked segments.
2790 tzb
= &zcb
.zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
];
2792 norm_alloc
= metaslab_class_get_alloc(spa_normal_class(spa
));
2793 norm_space
= metaslab_class_get_space(spa_normal_class(spa
));
2795 total_alloc
= norm_alloc
+ metaslab_class_get_alloc(spa_log_class(spa
));
2796 total_found
= tzb
->zb_asize
- zcb
.zcb_dedup_asize
;
2798 if (total_found
== total_alloc
) {
2800 (void) printf("\n\tNo leaks (block sum matches space"
2801 " maps exactly)\n");
2803 (void) printf("block traversal size %llu != alloc %llu "
2805 (u_longlong_t
)total_found
,
2806 (u_longlong_t
)total_alloc
,
2807 (dump_opt
['L']) ? "unreachable" : "leaked",
2808 (longlong_t
)(total_alloc
- total_found
));
2812 if (tzb
->zb_count
== 0)
2815 (void) printf("\n");
2816 (void) printf("\tbp count: %10llu\n",
2817 (u_longlong_t
)tzb
->zb_count
);
2818 (void) printf("\tganged count: %10llu\n",
2819 (longlong_t
)tzb
->zb_gangs
);
2820 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2821 (u_longlong_t
)tzb
->zb_lsize
,
2822 (u_longlong_t
)(tzb
->zb_lsize
/ tzb
->zb_count
));
2823 (void) printf("\tbp physical: %10llu avg:"
2824 " %6llu compression: %6.2f\n",
2825 (u_longlong_t
)tzb
->zb_psize
,
2826 (u_longlong_t
)(tzb
->zb_psize
/ tzb
->zb_count
),
2827 (double)tzb
->zb_lsize
/ tzb
->zb_psize
);
2828 (void) printf("\tbp allocated: %10llu avg:"
2829 " %6llu compression: %6.2f\n",
2830 (u_longlong_t
)tzb
->zb_asize
,
2831 (u_longlong_t
)(tzb
->zb_asize
/ tzb
->zb_count
),
2832 (double)tzb
->zb_lsize
/ tzb
->zb_asize
);
2833 (void) printf("\tbp deduped: %10llu ref>1:"
2834 " %6llu deduplication: %6.2f\n",
2835 (u_longlong_t
)zcb
.zcb_dedup_asize
,
2836 (u_longlong_t
)zcb
.zcb_dedup_blocks
,
2837 (double)zcb
.zcb_dedup_asize
/ tzb
->zb_asize
+ 1.0);
2838 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2839 (u_longlong_t
)norm_alloc
, 100.0 * norm_alloc
/ norm_space
);
2841 for (i
= 0; i
< NUM_BP_EMBEDDED_TYPES
; i
++) {
2842 if (zcb
.zcb_embedded_blocks
[i
] == 0)
2844 (void) printf("\n");
2845 (void) printf("\tadditional, non-pointer bps of type %u: "
2847 i
, (u_longlong_t
)zcb
.zcb_embedded_blocks
[i
]);
2849 if (dump_opt
['b'] >= 3) {
2850 (void) printf("\t number of (compressed) bytes: "
2852 dump_histogram(zcb
.zcb_embedded_histogram
[i
],
2853 sizeof (zcb
.zcb_embedded_histogram
[i
]) /
2854 sizeof (zcb
.zcb_embedded_histogram
[i
][0]), 0);
2858 if (tzb
->zb_ditto_samevdev
!= 0) {
2859 (void) printf("\tDittoed blocks on same vdev: %llu\n",
2860 (longlong_t
)tzb
->zb_ditto_samevdev
);
2863 if (dump_opt
['b'] >= 2) {
2865 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2866 "\t avg\t comp\t%%Total\tType\n");
2868 for (t
= 0; t
<= ZDB_OT_TOTAL
; t
++) {
2869 char csize
[32], lsize
[32], psize
[32], asize
[32];
2870 char avg
[32], gang
[32];
2873 if (t
< DMU_OT_NUMTYPES
)
2874 typename
= dmu_ot
[t
].ot_name
;
2876 typename
= zdb_ot_extname
[t
- DMU_OT_NUMTYPES
];
2878 if (zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
== 0) {
2879 (void) printf("%6s\t%5s\t%5s\t%5s"
2880 "\t%5s\t%5s\t%6s\t%s\n",
2892 for (l
= ZB_TOTAL
- 1; l
>= -1; l
--) {
2893 level
= (l
== -1 ? ZB_TOTAL
: l
);
2894 zb
= &zcb
.zcb_type
[level
][t
];
2896 if (zb
->zb_asize
== 0)
2899 if (dump_opt
['b'] < 3 && level
!= ZB_TOTAL
)
2902 if (level
== 0 && zb
->zb_asize
==
2903 zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
)
2906 zdb_nicenum(zb
->zb_count
, csize
);
2907 zdb_nicenum(zb
->zb_lsize
, lsize
);
2908 zdb_nicenum(zb
->zb_psize
, psize
);
2909 zdb_nicenum(zb
->zb_asize
, asize
);
2910 zdb_nicenum(zb
->zb_asize
/ zb
->zb_count
, avg
);
2911 zdb_nicenum(zb
->zb_gangs
, gang
);
2913 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2915 csize
, lsize
, psize
, asize
, avg
,
2916 (double)zb
->zb_lsize
/ zb
->zb_psize
,
2917 100.0 * zb
->zb_asize
/ tzb
->zb_asize
);
2919 if (level
== ZB_TOTAL
)
2920 (void) printf("%s\n", typename
);
2922 (void) printf(" L%d %s\n",
2925 if (dump_opt
['b'] >= 3 && zb
->zb_gangs
> 0) {
2926 (void) printf("\t number of ganged "
2927 "blocks: %s\n", gang
);
2930 if (dump_opt
['b'] >= 4) {
2931 (void) printf("psize "
2932 "(in 512-byte sectors): "
2933 "number of blocks\n");
2934 dump_histogram(zb
->zb_psize_histogram
,
2935 PSIZE_HISTO_SIZE
, 0);
2941 (void) printf("\n");
2946 if (zcb
.zcb_haderrors
)
2952 typedef struct zdb_ddt_entry
{
2954 uint64_t zdde_ref_blocks
;
2955 uint64_t zdde_ref_lsize
;
2956 uint64_t zdde_ref_psize
;
2957 uint64_t zdde_ref_dsize
;
2958 avl_node_t zdde_node
;
2963 zdb_ddt_add_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
2964 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
2966 avl_tree_t
*t
= arg
;
2968 zdb_ddt_entry_t
*zdde
, zdde_search
;
2970 if (BP_IS_HOLE(bp
) || BP_IS_EMBEDDED(bp
))
2973 if (dump_opt
['S'] > 1 && zb
->zb_level
== ZB_ROOT_LEVEL
) {
2974 (void) printf("traversing objset %llu, %llu objects, "
2975 "%lu blocks so far\n",
2976 (u_longlong_t
)zb
->zb_objset
,
2977 (u_longlong_t
)BP_GET_FILL(bp
),
2981 if (BP_IS_HOLE(bp
) || BP_GET_CHECKSUM(bp
) == ZIO_CHECKSUM_OFF
||
2982 BP_GET_LEVEL(bp
) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp
)))
2985 ddt_key_fill(&zdde_search
.zdde_key
, bp
);
2987 zdde
= avl_find(t
, &zdde_search
, &where
);
2990 zdde
= umem_zalloc(sizeof (*zdde
), UMEM_NOFAIL
);
2991 zdde
->zdde_key
= zdde_search
.zdde_key
;
2992 avl_insert(t
, zdde
, where
);
2995 zdde
->zdde_ref_blocks
+= 1;
2996 zdde
->zdde_ref_lsize
+= BP_GET_LSIZE(bp
);
2997 zdde
->zdde_ref_psize
+= BP_GET_PSIZE(bp
);
2998 zdde
->zdde_ref_dsize
+= bp_get_dsize_sync(spa
, bp
);
3004 dump_simulated_ddt(spa_t
*spa
)
3007 void *cookie
= NULL
;
3008 zdb_ddt_entry_t
*zdde
;
3009 ddt_histogram_t ddh_total
;
3010 ddt_stat_t dds_total
;
3012 bzero(&ddh_total
, sizeof (ddt_histogram_t
));
3013 bzero(&dds_total
, sizeof (ddt_stat_t
));
3015 avl_create(&t
, ddt_entry_compare
,
3016 sizeof (zdb_ddt_entry_t
), offsetof(zdb_ddt_entry_t
, zdde_node
));
3018 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
3020 (void) traverse_pool(spa
, 0, TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
,
3021 zdb_ddt_add_cb
, &t
);
3023 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
3025 while ((zdde
= avl_destroy_nodes(&t
, &cookie
)) != NULL
) {
3027 uint64_t refcnt
= zdde
->zdde_ref_blocks
;
3028 ASSERT(refcnt
!= 0);
3030 dds
.dds_blocks
= zdde
->zdde_ref_blocks
/ refcnt
;
3031 dds
.dds_lsize
= zdde
->zdde_ref_lsize
/ refcnt
;
3032 dds
.dds_psize
= zdde
->zdde_ref_psize
/ refcnt
;
3033 dds
.dds_dsize
= zdde
->zdde_ref_dsize
/ refcnt
;
3035 dds
.dds_ref_blocks
= zdde
->zdde_ref_blocks
;
3036 dds
.dds_ref_lsize
= zdde
->zdde_ref_lsize
;
3037 dds
.dds_ref_psize
= zdde
->zdde_ref_psize
;
3038 dds
.dds_ref_dsize
= zdde
->zdde_ref_dsize
;
3040 ddt_stat_add(&ddh_total
.ddh_stat
[highbit64(refcnt
) - 1],
3043 umem_free(zdde
, sizeof (*zdde
));
3048 ddt_histogram_stat(&dds_total
, &ddh_total
);
3050 (void) printf("Simulated DDT histogram:\n");
3052 zpool_dump_ddt(&dds_total
, &ddh_total
);
3054 dump_dedup_ratio(&dds_total
);
3058 dump_zpool(spa_t
*spa
)
3060 dsl_pool_t
*dp
= spa_get_dsl(spa
);
3063 if (dump_opt
['S']) {
3064 dump_simulated_ddt(spa
);
3068 if (!dump_opt
['e'] && dump_opt
['C'] > 1) {
3069 (void) printf("\nCached configuration:\n");
3070 dump_nvlist(spa
->spa_config
, 8);
3077 dump_uberblock(&spa
->spa_uberblock
, "\nUberblock:\n", "\n");
3082 if (dump_opt
['d'] > 2 || dump_opt
['m'])
3083 dump_metaslabs(spa
);
3085 dump_metaslab_groups(spa
);
3087 if (dump_opt
['d'] || dump_opt
['i']) {
3089 dump_dir(dp
->dp_meta_objset
);
3090 if (dump_opt
['d'] >= 3) {
3091 dump_full_bpobj(&spa
->spa_deferred_bpobj
,
3092 "Deferred frees", 0);
3093 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
3095 &spa
->spa_dsl_pool
->dp_free_bpobj
,
3096 "Pool snapshot frees", 0);
3099 if (spa_feature_is_active(spa
,
3100 SPA_FEATURE_ASYNC_DESTROY
)) {
3101 dump_bptree(spa
->spa_meta_objset
,
3102 spa
->spa_dsl_pool
->dp_bptree_obj
,
3103 "Pool dataset frees");
3105 dump_dtl(spa
->spa_root_vdev
, 0);
3107 (void) dmu_objset_find(spa_name(spa
), dump_one_dir
,
3108 NULL
, DS_FIND_SNAPSHOTS
| DS_FIND_CHILDREN
);
3110 (void) feature_get_refcount(spa
,
3111 &spa_feature_table
[SPA_FEATURE_LARGE_BLOCKS
], &refcount
);
3112 if (num_large_blocks
!= refcount
) {
3113 (void) printf("large_blocks feature refcount mismatch: "
3114 "expected %lld != actual %lld\n",
3115 (longlong_t
)num_large_blocks
,
3116 (longlong_t
)refcount
);
3119 (void) printf("Verified large_blocks feature refcount "
3120 "is correct (%llu)\n", (longlong_t
)refcount
);
3123 if (rc
== 0 && (dump_opt
['b'] || dump_opt
['c']))
3124 rc
= dump_block_stats(spa
);
3127 rc
= verify_spacemap_refcounts(spa
);
3130 show_pool_stats(spa
);
3139 #define ZDB_FLAG_CHECKSUM 0x0001
3140 #define ZDB_FLAG_DECOMPRESS 0x0002
3141 #define ZDB_FLAG_BSWAP 0x0004
3142 #define ZDB_FLAG_GBH 0x0008
3143 #define ZDB_FLAG_INDIRECT 0x0010
3144 #define ZDB_FLAG_PHYS 0x0020
3145 #define ZDB_FLAG_RAW 0x0040
3146 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
3151 zdb_print_blkptr(blkptr_t
*bp
, int flags
)
3153 char blkbuf
[BP_SPRINTF_LEN
];
3155 if (flags
& ZDB_FLAG_BSWAP
)
3156 byteswap_uint64_array((void *)bp
, sizeof (blkptr_t
));
3158 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3159 (void) printf("%s\n", blkbuf
);
3163 zdb_dump_indirect(blkptr_t
*bp
, int nbps
, int flags
)
3167 for (i
= 0; i
< nbps
; i
++)
3168 zdb_print_blkptr(&bp
[i
], flags
);
3172 zdb_dump_gbh(void *buf
, int flags
)
3174 zdb_dump_indirect((blkptr_t
*)buf
, SPA_GBH_NBLKPTRS
, flags
);
3178 zdb_dump_block_raw(void *buf
, uint64_t size
, int flags
)
3180 if (flags
& ZDB_FLAG_BSWAP
)
3181 byteswap_uint64_array(buf
, size
);
3182 VERIFY(write(fileno(stdout
), buf
, size
) == size
);
3186 zdb_dump_block(char *label
, void *buf
, uint64_t size
, int flags
)
3188 uint64_t *d
= (uint64_t *)buf
;
3189 int nwords
= size
/ sizeof (uint64_t);
3190 int do_bswap
= !!(flags
& ZDB_FLAG_BSWAP
);
3196 hdr
= " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
3198 hdr
= " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
3200 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label
, "", hdr
);
3202 for (i
= 0; i
< nwords
; i
+= 2) {
3203 (void) printf("%06llx: %016llx %016llx ",
3204 (u_longlong_t
)(i
* sizeof (uint64_t)),
3205 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
]) : d
[i
]),
3206 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
+ 1]) : d
[i
+ 1]));
3209 for (j
= 0; j
< 2 * sizeof (uint64_t); j
++)
3210 (void) printf("%c", isprint(c
[j
]) ? c
[j
] : '.');
3211 (void) printf("\n");
3216 * There are two acceptable formats:
3217 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
3218 * child[.child]* - For example: 0.1.1
3220 * The second form can be used to specify arbitrary vdevs anywhere
3221 * in the heirarchy. For example, in a pool with a mirror of
3222 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
3225 zdb_vdev_lookup(vdev_t
*vdev
, char *path
)
3233 /* First, assume the x.x.x.x format */
3234 i
= (int)strtoul(path
, &s
, 10);
3235 if (s
== path
|| (s
&& *s
!= '.' && *s
!= '\0'))
3237 if (i
< 0 || i
>= vdev
->vdev_children
)
3240 vdev
= vdev
->vdev_child
[i
];
3243 return (zdb_vdev_lookup(vdev
, s
+1));
3246 for (i
= 0; i
< vdev
->vdev_children
; i
++) {
3247 vdev_t
*vc
= vdev
->vdev_child
[i
];
3249 if (vc
->vdev_path
== NULL
) {
3250 vc
= zdb_vdev_lookup(vc
, path
);
3257 p
= strrchr(vc
->vdev_path
, '/');
3258 p
= p
? p
+ 1 : vc
->vdev_path
;
3259 q
= &vc
->vdev_path
[strlen(vc
->vdev_path
) - 2];
3261 if (strcmp(vc
->vdev_path
, path
) == 0)
3263 if (strcmp(p
, path
) == 0)
3265 if (strcmp(q
, "s0") == 0 && strncmp(p
, path
, q
- p
) == 0)
3273 * Read a block from a pool and print it out. The syntax of the
3274 * block descriptor is:
3276 * pool:vdev_specifier:offset:size[:flags]
3278 * pool - The name of the pool you wish to read from
3279 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
3280 * offset - offset, in hex, in bytes
3281 * size - Amount of data to read, in hex, in bytes
3282 * flags - A string of characters specifying options
3283 * b: Decode a blkptr at given offset within block
3284 * *c: Calculate and display checksums
3285 * d: Decompress data before dumping
3286 * e: Byteswap data before dumping
3287 * g: Display data as a gang block header
3288 * i: Display as an indirect block
3289 * p: Do I/O to physical offset
3290 * r: Dump raw data to stdout
3292 * * = not yet implemented
3295 zdb_read_block(char *thing
, spa_t
*spa
)
3297 blkptr_t blk
, *bp
= &blk
;
3298 dva_t
*dva
= bp
->blk_dva
;
3300 uint64_t offset
= 0, size
= 0, psize
= 0, lsize
= 0, blkptr_offset
= 0;
3303 void *pbuf
, *lbuf
, *buf
;
3304 char *s
, *p
, *dup
, *vdev
, *flagstr
;
3307 dup
= strdup(thing
);
3308 s
= strtok(dup
, ":");
3310 s
= strtok(NULL
, ":");
3311 offset
= strtoull(s
? s
: "", NULL
, 16);
3312 s
= strtok(NULL
, ":");
3313 size
= strtoull(s
? s
: "", NULL
, 16);
3314 s
= strtok(NULL
, ":");
3315 flagstr
= s
? s
: "";
3319 s
= "size must not be zero";
3320 if (!IS_P2ALIGNED(size
, DEV_BSIZE
))
3321 s
= "size must be a multiple of sector size";
3322 if (!IS_P2ALIGNED(offset
, DEV_BSIZE
))
3323 s
= "offset must be a multiple of sector size";
3325 (void) printf("Invalid block specifier: %s - %s\n", thing
, s
);
3330 for (s
= strtok(flagstr
, ":"); s
; s
= strtok(NULL
, ":")) {
3331 for (i
= 0; flagstr
[i
]; i
++) {
3332 int bit
= flagbits
[(uchar_t
)flagstr
[i
]];
3335 (void) printf("***Invalid flag: %c\n",
3341 /* If it's not something with an argument, keep going */
3342 if ((bit
& (ZDB_FLAG_CHECKSUM
|
3343 ZDB_FLAG_PRINT_BLKPTR
)) == 0)
3346 p
= &flagstr
[i
+ 1];
3347 if (bit
== ZDB_FLAG_PRINT_BLKPTR
)
3348 blkptr_offset
= strtoull(p
, &p
, 16);
3349 if (*p
!= ':' && *p
!= '\0') {
3350 (void) printf("***Invalid flag arg: '%s'\n", s
);
3357 vd
= zdb_vdev_lookup(spa
->spa_root_vdev
, vdev
);
3359 (void) printf("***Invalid vdev: %s\n", vdev
);
3364 (void) fprintf(stderr
, "Found vdev: %s\n",
3367 (void) fprintf(stderr
, "Found vdev type: %s\n",
3368 vd
->vdev_ops
->vdev_op_type
);
3374 pbuf
= umem_alloc_aligned(SPA_MAXBLOCKSIZE
, 512, UMEM_NOFAIL
);
3375 lbuf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3379 DVA_SET_VDEV(&dva
[0], vd
->vdev_id
);
3380 DVA_SET_OFFSET(&dva
[0], offset
);
3381 DVA_SET_GANG(&dva
[0], !!(flags
& ZDB_FLAG_GBH
));
3382 DVA_SET_ASIZE(&dva
[0], vdev_psize_to_asize(vd
, psize
));
3384 BP_SET_BIRTH(bp
, TXG_INITIAL
, TXG_INITIAL
);
3386 BP_SET_LSIZE(bp
, lsize
);
3387 BP_SET_PSIZE(bp
, psize
);
3388 BP_SET_COMPRESS(bp
, ZIO_COMPRESS_OFF
);
3389 BP_SET_CHECKSUM(bp
, ZIO_CHECKSUM_OFF
);
3390 BP_SET_TYPE(bp
, DMU_OT_NONE
);
3391 BP_SET_LEVEL(bp
, 0);
3392 BP_SET_DEDUP(bp
, 0);
3393 BP_SET_BYTEORDER(bp
, ZFS_HOST_BYTEORDER
);
3395 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
3396 zio
= zio_root(spa
, NULL
, NULL
, 0);
3398 if (vd
== vd
->vdev_top
) {
3400 * Treat this as a normal block read.
3402 zio_nowait(zio_read(zio
, spa
, bp
, pbuf
, psize
, NULL
, NULL
,
3403 ZIO_PRIORITY_SYNC_READ
,
3404 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
));
3407 * Treat this as a vdev child I/O.
3409 zio_nowait(zio_vdev_child_io(zio
, bp
, vd
, offset
, pbuf
, psize
,
3410 ZIO_TYPE_READ
, ZIO_PRIORITY_SYNC_READ
,
3411 ZIO_FLAG_DONT_CACHE
| ZIO_FLAG_DONT_QUEUE
|
3412 ZIO_FLAG_DONT_PROPAGATE
| ZIO_FLAG_DONT_RETRY
|
3413 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
, NULL
));
3416 error
= zio_wait(zio
);
3417 spa_config_exit(spa
, SCL_STATE
, FTAG
);
3420 (void) printf("Read of %s failed, error: %d\n", thing
, error
);
3424 if (flags
& ZDB_FLAG_DECOMPRESS
) {
3426 * We don't know how the data was compressed, so just try
3427 * every decompress function at every inflated blocksize.
3429 enum zio_compress c
;
3430 void *pbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3431 void *lbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3433 bcopy(pbuf
, pbuf2
, psize
);
3435 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf
+ psize
,
3436 SPA_MAXBLOCKSIZE
- psize
) == 0);
3438 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2
+ psize
,
3439 SPA_MAXBLOCKSIZE
- psize
) == 0);
3441 for (lsize
= SPA_MAXBLOCKSIZE
; lsize
> psize
;
3442 lsize
-= SPA_MINBLOCKSIZE
) {
3443 for (c
= 0; c
< ZIO_COMPRESS_FUNCTIONS
; c
++) {
3444 if (zio_decompress_data(c
, pbuf
, lbuf
,
3445 psize
, lsize
) == 0 &&
3446 zio_decompress_data(c
, pbuf2
, lbuf2
,
3447 psize
, lsize
) == 0 &&
3448 bcmp(lbuf
, lbuf2
, lsize
) == 0)
3451 if (c
!= ZIO_COMPRESS_FUNCTIONS
)
3453 lsize
-= SPA_MINBLOCKSIZE
;
3456 umem_free(pbuf2
, SPA_MAXBLOCKSIZE
);
3457 umem_free(lbuf2
, SPA_MAXBLOCKSIZE
);
3459 if (lsize
<= psize
) {
3460 (void) printf("Decompress of %s failed\n", thing
);
3470 if (flags
& ZDB_FLAG_PRINT_BLKPTR
)
3471 zdb_print_blkptr((blkptr_t
*)(void *)
3472 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
), flags
);
3473 else if (flags
& ZDB_FLAG_RAW
)
3474 zdb_dump_block_raw(buf
, size
, flags
);
3475 else if (flags
& ZDB_FLAG_INDIRECT
)
3476 zdb_dump_indirect((blkptr_t
*)buf
, size
/ sizeof (blkptr_t
),
3478 else if (flags
& ZDB_FLAG_GBH
)
3479 zdb_dump_gbh(buf
, flags
);
3481 zdb_dump_block(thing
, buf
, size
, flags
);
3484 umem_free(pbuf
, SPA_MAXBLOCKSIZE
);
3485 umem_free(lbuf
, SPA_MAXBLOCKSIZE
);
3490 pool_match(nvlist_t
*cfg
, char *tgt
)
3492 uint64_t v
, guid
= strtoull(tgt
, NULL
, 0);
3496 if (nvlist_lookup_uint64(cfg
, ZPOOL_CONFIG_POOL_GUID
, &v
) == 0)
3499 if (nvlist_lookup_string(cfg
, ZPOOL_CONFIG_POOL_NAME
, &s
) == 0)
3500 return (strcmp(s
, tgt
) == 0);
3506 find_zpool(char **target
, nvlist_t
**configp
, int dirc
, char **dirv
)
3509 nvlist_t
*match
= NULL
;
3514 importargs_t args
= { 0 };
3518 args
.can_be_active
= B_TRUE
;
3520 if ((sepp
= strpbrk(*target
, "/@")) != NULL
) {
3525 pools
= zpool_search_import(g_zfs
, &args
);
3527 if (pools
!= NULL
) {
3528 nvpair_t
*elem
= NULL
;
3529 while ((elem
= nvlist_next_nvpair(pools
, elem
)) != NULL
) {
3530 verify(nvpair_value_nvlist(elem
, configp
) == 0);
3531 if (pool_match(*configp
, *target
)) {
3533 if (match
!= NULL
) {
3534 /* print previously found config */
3536 (void) printf("%s\n", name
);
3537 dump_nvlist(match
, 8);
3540 (void) printf("%s\n",
3542 dump_nvlist(*configp
, 8);
3545 name
= nvpair_name(elem
);
3551 (void) fatal("\tMatched %d pools - use pool GUID "
3552 "instead of pool name or \n"
3553 "\tpool name part of a dataset name to select pool", count
);
3558 * If pool GUID was specified for pool id, replace it with pool name
3560 if (name
&& (strstr(*target
, name
) != *target
)) {
3561 int sz
= 1 + strlen(name
) + ((sepp
) ? strlen(sepp
) : 0);
3563 *target
= umem_alloc(sz
, UMEM_NOFAIL
);
3564 (void) snprintf(*target
, sz
, "%s%s", name
, sepp
? sepp
: "");
3567 *configp
= name
? match
: NULL
;
3573 main(int argc
, char **argv
)
3576 struct rlimit rl
= { 1024, 1024 };
3578 objset_t
*os
= NULL
;
3582 char **searchdirs
= NULL
;
3585 nvlist_t
*policy
= NULL
;
3586 uint64_t max_txg
= UINT64_MAX
;
3587 int flags
= ZFS_IMPORT_MISSING_LOG
;
3588 int rewind
= ZPOOL_NEVER_REWIND
;
3589 char *spa_config_path_env
;
3590 const char *opts
= "bcdhilmMI:suCDRSAFLXevp:t:U:P";
3591 boolean_t target_is_spa
= B_TRUE
;
3593 (void) setrlimit(RLIMIT_NOFILE
, &rl
);
3594 (void) enable_extended_FILE_stdio(-1, -1);
3596 dprintf_setup(&argc
, argv
);
3599 * If there is an environment variable SPA_CONFIG_PATH it overrides
3600 * default spa_config_path setting. If -U flag is specified it will
3601 * override this environment variable settings once again.
3603 spa_config_path_env
= getenv("SPA_CONFIG_PATH");
3604 if (spa_config_path_env
!= NULL
)
3605 spa_config_path
= spa_config_path_env
;
3607 while ((c
= getopt(argc
, argv
, opts
)) != -1) {
3635 flags
= ZFS_IMPORT_VERBATIM
;
3638 max_inflight
= strtoull(optarg
, NULL
, 0);
3639 if (max_inflight
== 0) {
3640 (void) fprintf(stderr
, "maximum number "
3641 "of inflight I/Os must be greater "
3647 if (searchdirs
== NULL
) {
3648 searchdirs
= umem_alloc(sizeof (char *),
3651 char **tmp
= umem_alloc((nsearch
+ 1) *
3652 sizeof (char *), UMEM_NOFAIL
);
3653 bcopy(searchdirs
, tmp
, nsearch
*
3655 umem_free(searchdirs
,
3656 nsearch
* sizeof (char *));
3659 searchdirs
[nsearch
++] = optarg
;
3662 max_txg
= strtoull(optarg
, NULL
, 0);
3663 if (max_txg
< TXG_INITIAL
) {
3664 (void) fprintf(stderr
, "incorrect txg "
3665 "specified: %s\n", optarg
);
3670 spa_config_path
= optarg
;
3681 if (!dump_opt
['e'] && searchdirs
!= NULL
) {
3682 (void) fprintf(stderr
, "-p option requires use of -e\n");
3688 * ZDB does not typically re-read blocks; therefore limit the ARC
3689 * to 256 MB, which can be used entirely for metadata.
3691 zfs_arc_max
= zfs_arc_meta_limit
= 256 * 1024 * 1024;
3695 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
3696 * "zdb -b" uses traversal prefetch which uses async reads.
3697 * For good performance, let several of them be active at once.
3699 zfs_vdev_async_read_max_active
= 10;
3702 if ((g_zfs
= libzfs_init()) == NULL
) {
3703 (void) fprintf(stderr
, "%s", libzfs_error_init(errno
));
3708 verbose
= MAX(verbose
, 1);
3710 for (c
= 0; c
< 256; c
++) {
3711 if (dump_all
&& !strchr("elAFLRSXP", c
))
3714 dump_opt
[c
] += verbose
;
3717 aok
= (dump_opt
['A'] == 1) || (dump_opt
['A'] > 2);
3718 zfs_recover
= (dump_opt
['A'] > 1);
3723 if (argc
< 2 && dump_opt
['R'])
3726 if (!dump_opt
['e'] && dump_opt
['C']) {
3727 dump_cachefile(spa_config_path
);
3733 if (dump_opt
['l']) {
3734 dump_label(argv
[0]);
3738 if (dump_opt
['X'] || dump_opt
['F'])
3739 rewind
= ZPOOL_DO_REWIND
|
3740 (dump_opt
['X'] ? ZPOOL_EXTREME_REWIND
: 0);
3742 if (nvlist_alloc(&policy
, NV_UNIQUE_NAME_TYPE
, 0) != 0 ||
3743 nvlist_add_uint64(policy
, ZPOOL_REWIND_REQUEST_TXG
, max_txg
) != 0 ||
3744 nvlist_add_uint32(policy
, ZPOOL_REWIND_REQUEST
, rewind
) != 0)
3745 fatal("internal error: %s", strerror(ENOMEM
));
3750 if (dump_opt
['e']) {
3751 nvlist_t
*cfg
= NULL
;
3752 char *name
= find_zpool(&target
, &cfg
, nsearch
, searchdirs
);
3756 if (dump_opt
['C'] > 1) {
3757 (void) printf("\nConfiguration for import:\n");
3758 dump_nvlist(cfg
, 8);
3760 if (nvlist_add_nvlist(cfg
,
3761 ZPOOL_REWIND_POLICY
, policy
) != 0) {
3762 fatal("can't open '%s': %s",
3763 target
, strerror(ENOMEM
));
3765 error
= spa_import(name
, cfg
, NULL
, flags
);
3769 if (strpbrk(target
, "/@") != NULL
) {
3772 target_is_spa
= B_FALSE
;
3773 targetlen
= strlen(target
);
3774 if (targetlen
&& target
[targetlen
- 1] == '/')
3775 target
[targetlen
- 1] = '\0';
3779 if (target_is_spa
|| dump_opt
['R']) {
3780 error
= spa_open_rewind(target
, &spa
, FTAG
, policy
,
3784 * If we're missing the log device then
3785 * try opening the pool after clearing the
3788 mutex_enter(&spa_namespace_lock
);
3789 if ((spa
= spa_lookup(target
)) != NULL
&&
3790 spa
->spa_log_state
== SPA_LOG_MISSING
) {
3791 spa
->spa_log_state
= SPA_LOG_CLEAR
;
3794 mutex_exit(&spa_namespace_lock
);
3797 error
= spa_open_rewind(target
, &spa
,
3798 FTAG
, policy
, NULL
);
3802 error
= dmu_objset_own(target
, DMU_OST_ANY
,
3806 nvlist_free(policy
);
3809 fatal("can't open '%s': %s", target
, strerror(error
));
3813 if (!dump_opt
['R']) {
3815 zopt_objects
= argc
;
3816 zopt_object
= calloc(zopt_objects
, sizeof (uint64_t));
3817 for (i
= 0; i
< zopt_objects
; i
++) {
3819 zopt_object
[i
] = strtoull(argv
[i
], NULL
, 0);
3820 if (zopt_object
[i
] == 0 && errno
!= 0)
3821 fatal("bad number %s: %s",
3822 argv
[i
], strerror(errno
));
3827 } else if (zopt_objects
> 0 && !dump_opt
['m']) {
3828 dump_dir(spa
->spa_meta_objset
);
3833 flagbits
['b'] = ZDB_FLAG_PRINT_BLKPTR
;
3834 flagbits
['c'] = ZDB_FLAG_CHECKSUM
;
3835 flagbits
['d'] = ZDB_FLAG_DECOMPRESS
;
3836 flagbits
['e'] = ZDB_FLAG_BSWAP
;
3837 flagbits
['g'] = ZDB_FLAG_GBH
;
3838 flagbits
['i'] = ZDB_FLAG_INDIRECT
;
3839 flagbits
['p'] = ZDB_FLAG_PHYS
;
3840 flagbits
['r'] = ZDB_FLAG_RAW
;
3842 for (i
= 0; i
< argc
; i
++)
3843 zdb_read_block(argv
[i
], spa
);
3846 (os
!= NULL
) ? dmu_objset_disown(os
, FTAG
) : spa_close(spa
, FTAG
);
3848 fuid_table_destroy();
3849 sa_loaded
= B_FALSE
;