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sched: walt: Move spare_cap calculation

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spare_cap is being calculated prior to idle_cpu evaluation. If an idle
cpu is found, then we have no need to go through this operation. As
such, move the computation to after idle cpu evaluation.

Change-Id: I86ff39909f2f0cb096ac39d02b6171838c257357
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
This commit is contained in:
Shaleen Agrawal 2021-04-20 14:09:01 -07:00 committed by Rishabh Bhatnagar
parent c87f1e133c
commit 4bc53e5700
1 changed files with 7 additions and 7 deletions
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14
kernel/sched/walt/walt_cfs.c
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@ -263,13 +263,6 @@ static void walt_find_best_target(struct sched_domain *sd,
if (new_util > capacity_orig)
continue;
/*
* Pre-compute the maximum possible capacity we expect
* to have available on this CPU once the task is
* enqueued here.
*/
spare_cap = capacity_orig - new_util;
/*
* Find an optimal backup IDLE CPU for non latency
* sensitive tasks.
@ -313,6 +306,13 @@ static void walt_find_best_target(struct sched_domain *sd,
continue;
}
/*
* Compute the maximum possible capacity we expect
* to have available on this CPU once the task is
* enqueued here.
*/
spare_cap = capacity_orig - new_util;
/*
* Try to spread the rtg high prio tasks so that they
* don't preempt each other. This is a optimisitc