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| author | Paul Turner <pjt@google.com> | 2010-11-15 15:47:06 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-11-18 13:27:49 +0100 |
| commit | a7a4f8a752ec734b2eab904fc863d5dc873de338 (patch) | |
| tree | 18b69c4cc0fc10cf6f0fe429308b25086942d921 /include/linux/sched.h | |
| parent | 67e86250f8ea7b8f7da53ac25ea73c6bd71f5cd9 (diff) | |
| download | lwn-a7a4f8a752ec734b2eab904fc863d5dc873de338.tar.gz lwn-a7a4f8a752ec734b2eab904fc863d5dc873de338.zip | |
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 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 8abb8aa59664..840f1277492f 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1900,6 +1900,7 @@ extern unsigned int sysctl_sched_migration_cost; extern unsigned int sysctl_sched_nr_migrate; extern unsigned int sysctl_sched_time_avg; extern unsigned int sysctl_timer_migration; +extern unsigned int sysctl_sched_shares_window; int sched_proc_update_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, |