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authorArun R Bharadwaj <arun@linux.vnet.ibm.com>2009-04-16 12:15:34 +0530
committerThomas Gleixner <tglx@linutronix.de>2009-05-13 16:52:42 +0200
commitcd1bb94b4a0531e8211a3774f17de831f8285f76 (patch)
tree0a031dd2bd984cbfec88a3ced6b2c6e3326efb88 /kernel/sysctl.c
parent5c333864a6ba811052d52ef14fbed056b9ac3512 (diff)
downloadop-kernel-dev-cd1bb94b4a0531e8211a3774f17de831f8285f76.zip
op-kernel-dev-cd1bb94b4a0531e8211a3774f17de831f8285f76.tar.gz
timers: /proc/sys sysctl hook to enable timer migration
* Arun R Bharadwaj <arun@linux.vnet.ibm.com> [2009-04-16 12:11:36]: This patch creates the /proc/sys sysctl interface at /proc/sys/kernel/timer_migration Timer migration is enabled by default. To disable timer migration, when CONFIG_SCHED_DEBUG = y, echo 0 > /proc/sys/kernel/timer_migration Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index e3d2c7d..b3ce581 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -324,6 +324,14 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = &proc_dointvec,
},
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "timer_migration",
+ .data = &sysctl_timer_migration,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
#endif
{
.ctl_name = CTL_UNNUMBERED,
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