Messages in this thread Patch in this message | | | From | Rohit Jain <> | Subject | [PATCH 3/3] sched/fair: Introduce scaled capacity awareness in wake_affine_idle code path | Date | Sat, 7 Oct 2017 16:48:34 -0700 |
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wake_affine_idle returns true if the CPU can run the task. Since it is ignoring capacity, adding that check there to only return true if the CPU is full_capacity.
Signed-off-by: Rohit Jain <rohit.k.jain@oracle.com> --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 5b1f7b9..f4761f2 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5660,7 +5660,7 @@ static bool wake_affine_idle(struct sched_domain *sd, struct task_struct *p, int this_cpu, int prev_cpu, int sync) { - if (idle_cpu(this_cpu)) + if (idle_cpu(this_cpu) && full_capacity(this_cpu)) return true; if (sync && cpu_rq(this_cpu)->nr_running == 1) -- 2.7.4
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