diff options
Diffstat (limited to 'cmd/ztest.c')
| -rw-r--r-- | cmd/ztest.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/cmd/ztest.c b/cmd/ztest.c index 7c9db84d4..a7843d338 100644 --- a/cmd/ztest.c +++ b/cmd/ztest.c @@ -276,6 +276,8 @@ extern unsigned long zio_decompress_fail_fraction; extern unsigned long zfs_reconstruct_indirect_damage_fraction; extern uint64_t raidz_expand_max_reflow_bytes; extern uint_t raidz_expand_pause_point; +extern boolean_t ddt_prune_artificial_age; +extern boolean_t ddt_dump_prune_histogram; static ztest_shared_opts_t *ztest_shared_opts; @@ -446,6 +448,7 @@ ztest_func_t ztest_fletcher; ztest_func_t ztest_fletcher_incr; ztest_func_t ztest_verify_dnode_bt; ztest_func_t ztest_pool_prefetch_ddt; +ztest_func_t ztest_ddt_prune; static uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ static uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ @@ -502,6 +505,7 @@ static ztest_info_t ztest_info[] = { ZTI_INIT(ztest_fletcher_incr, 1, &zopt_rarely), ZTI_INIT(ztest_verify_dnode_bt, 1, &zopt_sometimes), ZTI_INIT(ztest_pool_prefetch_ddt, 1, &zopt_rarely), + ZTI_INIT(ztest_ddt_prune, 1, &zopt_rarely), }; #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) @@ -7288,6 +7292,17 @@ ztest_trim(ztest_ds_t *zd, uint64_t id) mutex_exit(&ztest_vdev_lock); } +void +ztest_ddt_prune(ztest_ds_t *zd, uint64_t id) +{ + (void) zd, (void) id; + + spa_t *spa = ztest_spa; + uint64_t pct = ztest_random(15) + 1; + + (void) ddt_prune_unique_entries(spa, ZPOOL_DDT_PRUNE_PERCENTAGE, pct); +} + /* * Verify pool integrity by running zdb. */ @@ -7469,6 +7484,13 @@ ztest_resume_thread(void *arg) { spa_t *spa = arg; + /* + * Synthesize aged DDT entries for ddt prune testing + */ + ddt_prune_artificial_age = B_TRUE; + if (ztest_opts.zo_verbose >= 3) + ddt_dump_prune_histogram = B_TRUE; + while (!ztest_exiting) { if (spa_suspended(spa)) ztest_resume(spa); @@ -8587,6 +8609,12 @@ ztest_init(ztest_shared_t *zs) if (i == SPA_FEATURE_LOG_SPACEMAP && ztest_random(4) == 0) continue; + /* + * split 50/50 between legacy and fast dedup + */ + if (i == SPA_FEATURE_FAST_DEDUP && ztest_random(2) != 0) + continue; + VERIFY3S(-1, !=, asprintf(&buf, "feature@%s", spa_feature_table[i].fi_uname)); fnvlist_add_uint64(props, buf, 0); |