Revert "Add txgs-<pool> kstat file"

This reverts commit e95853a331529a6cb96fdf10476c53441e59f4e1.

1 files changed, 0 insertions, 46 deletions

diff --git a/module/zfs/txg.c b/module/zfs/txg.c
index b3e537f45..440353a50 100644
--- a/module/zfs/txg.c
+++ b/module/zfs/txg.c
@@ -31,7 +31,6 @@
 #include <sys/dsl_pool.h>
 #include <sys/dsl_scan.h>
 #include <sys/callb.h>
-#include <sys/spa_impl.h>
 
 /*
  * ZFS Transaction Groups
@@ -351,8 +350,6 @@ txg_rele_to_sync(txg_handle_t *th)
 static void
 txg_quiesce(dsl_pool_t *dp, uint64_t txg)
 {
-	hrtime_t start;
-	txg_history_t *th;
 	tx_state_t *tx = &dp->dp_tx;
 	int g = txg & TXG_MASK;
 	int c;
@@ -374,19 +371,8 @@ txg_quiesce(dsl_pool_t *dp, uint64_t txg)
 		mutex_exit(&tx->tx_cpu[c].tc_lock);
 
 	/*
-	 * Measure how long the txg was open and replace the kstat.
-	 */
-	th = dsl_pool_txg_history_get(dp, txg);
-	th->th_kstat.open_time = gethrtime() - th->th_kstat.birth;
-	th->th_kstat.state = TXG_STATE_QUIESCING;
-	dsl_pool_txg_history_put(th);
-	dsl_pool_txg_history_add(dp, tx->tx_open_txg);
-
-	/*
 	 * Quiesce the transaction group by waiting for everyone to txg_exit().
 	 */
-	start = gethrtime();
-
 	for (c = 0; c < max_ncpus; c++) {
 		tx_cpu_t *tc = &tx->tx_cpu[c];
 		mutex_enter(&tc->tc_lock);
@@ -394,13 +380,6 @@ txg_quiesce(dsl_pool_t *dp, uint64_t txg)
 			cv_wait(&tc->tc_cv[g], &tc->tc_lock);
 		mutex_exit(&tc->tc_lock);
 	}
-
-	/*
-	 * Measure how long the txg took to quiesce.
-	 */
-	th = dsl_pool_txg_history_get(dp, txg);
-	th->th_kstat.quiesce_time = gethrtime() - start;
-	dsl_pool_txg_history_put(th);
 }
 
 static void
@@ -487,8 +466,6 @@ txg_sync_thread(dsl_pool_t *dp)
 
 	start = delta = 0;
 	for (;;) {
-		hrtime_t hrstart;
-		txg_history_t *th;
 		uint64_t timer, timeout;
 		uint64_t txg;
 
@@ -535,17 +512,11 @@ txg_sync_thread(dsl_pool_t *dp)
 		tx->tx_syncing_txg = txg;
 		cv_broadcast(&tx->tx_quiesce_more_cv);
 
-		th = dsl_pool_txg_history_get(dp, txg);
-		th->th_kstat.state = TXG_STATE_SYNCING;
-		vdev_get_stats(spa->spa_root_vdev, &th->th_vs1);
-		dsl_pool_txg_history_put(th);
-
 		dprintf("txg=%llu quiesce_txg=%llu sync_txg=%llu\n",
 		    txg, tx->tx_quiesce_txg_waiting, tx->tx_sync_txg_waiting);
 		mutex_exit(&tx->tx_sync_lock);
 
 		start = ddi_get_lbolt();
-		hrstart = gethrtime();
 		spa_sync(spa, txg);
 		delta = ddi_get_lbolt() - start;
 
@@ -558,23 +529,6 @@ txg_sync_thread(dsl_pool_t *dp)
 		 * Dispatch commit callbacks to worker threads.
 		 */
 		txg_dispatch_callbacks(dp, txg);
-
-		/*
-		 * Measure the txg sync time determine the amount of I/O done.
-		 */
-		th = dsl_pool_txg_history_get(dp, txg);
-		vdev_get_stats(spa->spa_root_vdev, &th->th_vs2);
-		th->th_kstat.sync_time = gethrtime() - hrstart;
-		th->th_kstat.nread = th->th_vs2.vs_bytes[ZIO_TYPE_READ] -
-		    th->th_vs1.vs_bytes[ZIO_TYPE_READ];
-		th->th_kstat.nwritten = th->th_vs2.vs_bytes[ZIO_TYPE_WRITE] -
-		    th->th_vs1.vs_bytes[ZIO_TYPE_WRITE];
-		th->th_kstat.reads = th->th_vs2.vs_ops[ZIO_TYPE_READ] -
-		    th->th_vs1.vs_ops[ZIO_TYPE_READ];
-		th->th_kstat.writes = th->th_vs2.vs_ops[ZIO_TYPE_WRITE] -
-		    th->th_vs1.vs_ops[ZIO_TYPE_WRITE];
-		th->th_kstat.state = TXG_STATE_COMMITTED;
-		dsl_pool_txg_history_put(th);
 	}
 }