diff options
| author | Syed Rameez Mustafa <rameezmustafa@codeaurora.org> | 2014-12-04 18:18:30 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:01:15 -0700 |
| commit | b9c3d7384dc6df0697b0a4bbf0f1dfb855543e11 (patch) | |
| tree | 0473a0512b58dfbd60b489cf576507af9242ef3f /kernel | |
| parent | 636a5749c8706da90cfb1c607df53f3f657fb76f (diff) | |
sched: extend sched_task_load tracepoint to indicate prefer_idle
Prefer idle determines whether the scheduler prefers an idle CPU
over a busy CPU or not to wake up a task on. Knowing the correct
value of this tunable is essential in understanding placement
decisions made in select_best_cpu().
Change-Id: I955d7577061abccb65d01f560e1911d9db70298a
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 75f1862e86d8..613420b3836e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3229,7 +3229,7 @@ static int select_best_cpu(struct task_struct *p, int target, int reason, int cstate, min_cstate = INT_MAX; int prefer_idle = reason ? 1 : sysctl_sched_prefer_idle; - trace_sched_task_load(p, small_task, boost, reason, sync); + trace_sched_task_load(p, small_task, boost, reason, sync, prefer_idle); if (small_task && !boost) { best_cpu = best_small_task_cpu(p, sync); |