From 9745512ce79de686df354dc70a8d1a74d801892d Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Fri, 25 Jan 2008 21:08:34 +0100 Subject: sched: latencytop support LatencyTOP kernel infrastructure; it measures latencies in the scheduler and tracks it system wide and per process. Signed-off-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- kernel/sysctl.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'kernel/sysctl.c') diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 3afbd25f43eb..5418ef61e16e 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -81,6 +81,7 @@ extern int compat_log; extern int maps_protect; extern int sysctl_stat_interval; extern int audit_argv_kb; +extern int latencytop_enabled; /* Constants used for minimum and maximum */ #ifdef CONFIG_DETECT_SOFTLOCKUP @@ -416,6 +417,15 @@ static struct ctl_table kern_table[] = { .proc_handler = &proc_dointvec_taint, }, #endif +#ifdef CONFIG_LATENCYTOP + { + .procname = "latencytop", + .data = &latencytop_enabled, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif #ifdef CONFIG_SECURITY_CAPABILITIES { .procname = "cap-bound", -- cgit v1.2.3-55-g7522