diff options
Diffstat (limited to 'module/zfs/dmu_tx.c')
-rw-r--r-- | module/zfs/dmu_tx.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/module/zfs/dmu_tx.c b/module/zfs/dmu_tx.c index 31c88c9d6..b0dc64f06 100644 --- a/module/zfs/dmu_tx.c +++ b/module/zfs/dmu_tx.c @@ -1089,12 +1089,15 @@ dmu_tx_unassign(dmu_tx_t *tx) int dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how) { + hrtime_t before, after; int err; ASSERT(tx->tx_txg == 0); ASSERT(txg_how != 0); ASSERT(!dsl_pool_sync_context(tx->tx_pool)); + before = gethrtime(); + while ((err = dmu_tx_try_assign(tx, txg_how)) != 0) { dmu_tx_unassign(tx); @@ -1106,6 +1109,11 @@ dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how) txg_rele_to_quiesce(&tx->tx_txgh); + after = gethrtime(); + + dsl_pool_tx_assign_add_usecs(tx->tx_pool, + (after - before) / NSEC_PER_USEC); + return (0); } |