[Eas-dev] [PATCH 3/3] sched/fair: Introduce scaled capacity awareness in wake_affine_idle code path

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