diff options
| author | Pavankumar Kondeti <pkondeti@codeaurora.org> | 2018-01-09 11:02:30 +0530 |
|---|---|---|
| committer | Lingutla Chandrasekhar <clingutla@codeaurora.org> | 2018-04-24 11:33:10 +0530 |
| commit | 10e91c5e578fb378b53b8f8e7a3e8d1e6cf6e1f5 (patch) | |
| tree | 64bf964c901bc085d12c32d1b008bfa4b4402655 /kernel/sysctl.c | |
| parent | 893b274e18b341e8c998282b60385db54101eb8f (diff) | |
sched: Add trace point to track preemption disable callers
Add trace point to track preemption disable callers to
isolate issues unrelated to scheduler and improve debug
turn around time.
Change-Id: If9303b7165167e8f79cd339929daf4afc31a61c4
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index bc4ca30ddc21..5ada14880707 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -291,6 +291,16 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, +#if defined(CONFIG_PREEMPT_TRACER) || defined(CONFIG_IRQSOFF_TRACER) + { + .procname = "preemptoff_tracing_threshold_ns", + .data = &sysctl_preemptoff_tracing_threshold_ns, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + +#endif #ifdef CONFIG_SCHED_HMP { .procname = "sched_freq_reporting_policy", |