From: Jeffrey Altman <jaltman@secure-endpoints.com>
Date: Mon, 18 Feb 2008 17:27:48 +0000 (+0000)
Subject: rx-stats-optimization-20080218
X-Git-Tag: BP-openafs-windows-kdfs-ifs~99
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=5fd85f53f26ba1f0649b8a8c68d3abb1c5159eb9;p=packages%2Fo%2Fopenafs.git

rx-stats-optimization-20080218

LICENSE IPL10

Do not grab the peer mutex or the rpc stats mutex if we are not
intending to collect stats.  Doing so is a bottleneck.
---

diff --git a/src/rx/rx.c b/src/rx/rx.c
index 946aa33ec..abd4f06f3 100644
--- a/src/rx/rx.c
+++ b/src/rx/rx.c
@@ -7090,6 +7090,9 @@ rx_IncrementTimeAndCount(struct rx_peer *peer, afs_uint32 rxInterface,
 			 int isServer)
 {
 
+    if (!(rxi_monitor_peerStats || rxi_monitor_processStats))
+        return;
+
     MUTEX_ENTER(&rx_rpc_stats);
     MUTEX_ENTER(&peer->peer_lock);