From: Willy Tarreau <w@1wt.eu>
Date: Wed, 5 May 2021 14:28:31 +0000 (+0200)
Subject: CLEANUP: activity: mark the profiling and task_profiling_mask __read_mostly
X-Git-Tag: v2.4-dev19~144
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef7380f91646f0e7d11fe170545374fdf2575990;p=thirdparty%2Fhaproxy.git

CLEANUP: activity: mark the profiling and task_profiling_mask __read_mostly

These ones are only read by the scheduler and occasionally written to
by the CLI parser, so let's move them to read_mostly so that they do
not risk to suffer from cache line pollution.
---

diff --git a/src/activity.c b/src/activity.c
index 764613ffc1..8ccff234bf 100644
--- a/src/activity.c
+++ b/src/activity.c
@@ -21,8 +21,8 @@
 
 
 /* bit field of profiling options. Beware, may be modified at runtime! */
-unsigned int profiling = HA_PROF_TASKS_AOFF;
-unsigned long task_profiling_mask = 0;
+unsigned int profiling __read_mostly = HA_PROF_TASKS_AOFF;
+unsigned long task_profiling_mask __read_mostly = 0;
 
 /* One struct per thread containing all collected measurements */
 struct activity activity[MAX_THREADS] __attribute__((aligned(64))) = { };