diff options
Diffstat (limited to 'usr/src/cmd/zdb/zdb.c')
| -rw-r--r-- | usr/src/cmd/zdb/zdb.c | 69 |
1 files changed, 47 insertions, 22 deletions
diff --git a/usr/src/cmd/zdb/zdb.c b/usr/src/cmd/zdb/zdb.c index 74546c2cf0..9c84410aa1 100644 --- a/usr/src/cmd/zdb/zdb.c +++ b/usr/src/cmd/zdb/zdb.c @@ -102,6 +102,7 @@ usage(void) (void) fprintf(stderr, " -C cached pool configuration\n"); (void) fprintf(stderr, " -i intent logs\n"); (void) fprintf(stderr, " -b block statistics\n"); + (void) fprintf(stderr, " -m metaslabs\n"); (void) fprintf(stderr, " -c checksum all metadata (twice for " "all data) blocks\n"); (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); @@ -473,6 +474,21 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) } static void +dump_metaslab_stats(metaslab_t *msp) +{ + char maxbuf[5]; + space_map_t *sm = &msp->ms_map; + avl_tree_t *t = sm->sm_pp_root; + int free_pct = sm->sm_space * 100 / sm->sm_size; + + nicenum(space_map_maxsize(sm), maxbuf); + + (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n", + "segments", avl_numnodes(t), "maxsize", maxbuf, + "freepct", free_pct); +} + +static void dump_metaslab(metaslab_t *msp) { char freebuf[5]; @@ -482,22 +498,28 @@ dump_metaslab(metaslab_t *msp) nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); - if (dump_opt['d'] <= 5) { - (void) printf("\t%10llx %10llu %5s\n", - (u_longlong_t)msp->ms_map.sm_start, - (u_longlong_t)smo->smo_object, - freebuf); - return; - } - (void) printf( - "\tvdev %llu offset %08llx spacemap %4llu free %5s\n", + "\tvdev %5llu offset %12llx spacemap %6llu free %5s\n", (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, (u_longlong_t)smo->smo_object, freebuf); - ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); + if (dump_opt['m'] > 1) { + mutex_enter(&msp->ms_lock); + VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops, + SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0); + dump_metaslab_stats(msp); + space_map_unload(&msp->ms_map); + mutex_exit(&msp->ms_lock); + } + + if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { + ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); + + mutex_enter(&msp->ms_lock); + dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); + mutex_exit(&msp->ms_lock); + } - dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); } static void @@ -512,14 +534,12 @@ dump_metaslabs(spa_t *spa) for (c = 0; c < rvd->vdev_children; c++) { vd = rvd->vdev_child[c]; - (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id); + (void) printf("\t%-10s %-19s %-15s %-10s\n", + "vdev", "offset", "spacemap", "free"); + (void) printf("\t%10s %19s %15s %10s\n", + "----------", "-------------------", + "---------------", "-------------"); - if (dump_opt['d'] <= 5) { - (void) printf("\t%10s %10s %5s\n", - "offset", "spacemap", "free"); - (void) printf("\t%10s %10s %5s\n", - "------", "--------", "----"); - } for (m = 0; m < vd->vdev_ms_count; m++) dump_metaslab(vd->vdev_ms[m]); (void) printf("\n"); @@ -1419,7 +1439,8 @@ static space_map_ops_t zdb_space_map_ops = { zdb_space_map_unload, NULL, /* alloc */ zdb_space_map_claim, - NULL /* free */ + NULL, /* free */ + NULL /* maxsize */ }; static void @@ -1809,14 +1830,17 @@ dump_zpool(spa_t *spa) if (dump_opt['u']) dump_uberblock(&spa->spa_uberblock); - if (dump_opt['d'] || dump_opt['i']) { + if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) { dump_dir(dp->dp_meta_objset); if (dump_opt['d'] >= 3) { dump_bplist(dp->dp_meta_objset, spa->spa_sync_bplist_obj, "Deferred frees"); dump_dtl(spa->spa_root_vdev, 0); - dump_metaslabs(spa); } + + if (dump_opt['d'] >= 3 || dump_opt['m']) + dump_metaslabs(spa); + (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); } @@ -2292,13 +2316,14 @@ main(int argc, char **argv) dprintf_setup(&argc, argv); - while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) { + while ((c = getopt(argc, argv, "udibcmsvCLS:U:lRep:t:")) != -1) { switch (c) { case 'u': case 'd': case 'i': case 'b': case 'c': + case 'm': case 's': case 'C': case 'l': |