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authorPaul Turner <pjt@google.com>2010-11-15 23:47:06 (GMT)
committerIngo Molnar <mingo@elte.hu>2010-11-18 12:27:49 (GMT)
commita7a4f8a752ec734b2eab904fc863d5dc873de338 (patch)
tree18b69c4cc0fc10cf6f0fe429308b25086942d921 /kernel/sysctl.c
parent67e86250f8ea7b8f7da53ac25ea73c6bd71f5cd9 (diff)
downloadlinux-a7a4f8a752ec734b2eab904fc863d5dc873de338.tar.xz
sched: Add sysctl_sched_shares_window
Introduce a new sysctl for the shares window and disambiguate it from sched_time_avg. A 10ms window appears to be a good compromise between accuracy and performance. Signed-off-by: Paul Turner <pjt@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20101115234938.112173964@google.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3132b25..9b520d7 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -333,6 +333,13 @@ static struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
{
+ .procname = "sched_shares_window",
+ .data = &sysctl_sched_shares_window,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "timer_migration",
.data = &sysctl_timer_migration,
.maxlen = sizeof(unsigned int),