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Commit 30900a8b authored by Satya Durga Srinivasu Prabhala's avatar Satya Durga Srinivasu Prabhala
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sched/fair: fix cpu util for waking tasks 



While computing cpu utilization for the waking task,
subtracting task utilization isn't needed. Just return
cpu_util. Also, use cpu_util for calculating utilization.

Change-Id: I214a39dbeff209125727360bb15fffcaf10bb9ac
Signed-off-by: default avatarSatya Durga Srinivasu Prabhala <satyap@codeaurora.org>
parent 4a1ca3b2

kernel/sched/fair.c

+3 −2
Original line number Diff line number Diff line
@@ -6951,7 +6951,8 @@ static int cpu_util_wake(int cpu, struct task_struct *p) 
	 * utilization from cpu utilization. Instead just use

	 * cpu_util for this case.

	 */

	if (!walt_disabled && sysctl_sched_use_walt_cpu_util)

	if (!walt_disabled && sysctl_sched_use_walt_cpu_util &&

					p->state == TASK_WAKING)

		return cpu_util(cpu);

#endif

	/* Task has no contribution or is new */
@@ -6959,7 +6960,7 @@ static int cpu_util_wake(int cpu, struct task_struct *p) 
		return cpu_util(cpu);



	capacity = capacity_orig_of(cpu);

	util = max_t(long, cpu_rq(cpu)->cfs.avg.util_avg - task_util(p), 0);

	util = max_t(long, cpu_util(cpu) - task_util(p), 0);



	return (util >= capacity) ? capacity : util;

}