X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fdmu_tx.c;h=b0dc64f0603bbecc3ce381b4240b444842794f01;hb=92334b14ec378b1693573b52c09816bbade9cf3e;hp=31c88c9d6307bc11356fb4a32ab2eab513006412;hpb=bf89c19914c66b030333460952dbdfabf9ff527e;p=zfs.git

diff --git a/module/zfs/dmu_tx.c b/module/zfs/dmu_tx.c
index 31c88c9..b0dc64f 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);
 }