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sched: EAS/WALT: Don't take into account of running task's util

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For upmigrating misfit running task case, the currently running
task's util has been counted into cpu_util(). Thus currently
__cpu_overutilized() which add task's uitl twice is overestimated.

Change-Id: I5326f4c736a55679009d2e7293f8792311c04294
Signed-off-by: Ke Wang <ke.wang@spreadtrum.com>
This commit is contained in:
Ke Wang
2017-11-09 11:30:56 +08:00
committed by Todd Kjos
parent b41e1ca689
commit b763480947
1 changed files with 2 additions and 1 deletions
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3
kernel/sched/fair.c
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@@ -7049,7 +7049,8 @@ static int select_energy_cpu_brute(struct task_struct *p, int prev_cpu, int sync
#ifdef CONFIG_SCHED_WALT
if (!walt_disabled && sysctl_sched_use_walt_cpu_util)
if (!walt_disabled && sysctl_sched_use_walt_cpu_util &&
p->state == TASK_WAKING)
delta = task_util(p);
#endif
/* Not enough spare capacity on previous cpu */