From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Wed, 7 Dec 2016 07:29:57 +0000 (+0800)
Subject: os/bluestore: fix global commit latency
X-Git-Tag: v11.1.0~23^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F12356%2Fhead;p=ceph.git

os/bluestore: fix global commit latency

"start" is used to calculate the global bluestore commit latency
and hence shall not be updated at each internal state enter/exit.

Otherwise the l_bluestore_commit_lat counter won't reflect the
real commit latency precisely.

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index 0c4c6420edbe..07fe50bc0b89 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -1204,7 +1204,6 @@ public:
       utime_t lat, now = ceph_clock_now(g_ceph_context);
       lat = now - last_stamp;
       logger->tinc(state, lat);
-      start = now;
       last_stamp = now;
     }