os/bluestore: remove unuse perfcounter:l_bluestore_read_wait_flush_lat.

Now read don't need flush(). See commit 83e33a32fde7f83.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
Reviewed-by: Sage Weil <sage@redhat.com>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index cee896ca6d28b92222bd9725cc82ffc1175cd074..96f72e9e5287e0bd93f59288a5bade4191a67c05 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -3423,8 +3423,6 @@ void BlueStore::_init_logger()
                 "Average read latency", "rlat");
   b.add_time_avg(l_bluestore_read_onode_meta_lat, "read_onode_meta_lat",
     "Average read onode metadata latency");
-  b.add_time_avg(l_bluestore_read_wait_flush_lat, "read_wait_flush_lat",
-    "Average wait flush latency during reads");
   b.add_time_avg(l_bluestore_read_wait_aio_lat, "read_wait_aio_lat",
     "Average read latency");
   b.add_time_avg(l_bluestore_compress_lat, "compress_lat",
@@ -5820,9 +5818,6 @@ int BlueStore::_do_read(
   }
 
   utime_t start = ceph_clock_now();
-  logger->tinc(l_bluestore_read_wait_flush_lat, ceph_clock_now() - start);
-
-  start = ceph_clock_now();
   o->extent_map.fault_range(db, offset, length);
   logger->tinc(l_bluestore_read_onode_meta_lat, ceph_clock_now() - start);
   _dump_onode(o);

diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index 1db9aa58e2451eccc239da8bfeacd6534bd7a018..839d47f90528595115b9f4c8f4bcb2f1e98ad2f0 100644 (file)
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -69,7 +69,6 @@ enum {
   l_bluestore_commit_lat,
   l_bluestore_read_lat,
   l_bluestore_read_onode_meta_lat,
-  l_bluestore_read_wait_flush_lat,
   l_bluestore_read_wait_aio_lat,
   l_bluestore_compress_lat,
   l_bluestore_decompress_lat,