Commit e7ed4bb4 authored Aug 06, 2020 by Lingutla Chandrasekhar

sched: rt: Fix double accounting of cpu util in task placement decision



In RT energy aware task placement, cpu utilization is double accounted
to check whether cpu would be overutilized for given task or not.

Fix the double accounting the cpu util.

Change-Id: Id51dd6c952126b870942746c0408fa387ec3bfb1
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>

parent 4bd3d726

kernel/sched/rt.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -1801,11 +1801,11 @@ static int rt_energy_aware_wake_cpu(struct task_struct *task)
		if (sched_cpu_high_irqload(cpu))
		continue;

		util = cpu_util(cpu);

		if (__cpu_overutilized(cpu, util + tutil))
		if (__cpu_overutilized(cpu, tutil))
		continue;

		util = cpu_util(cpu);

		/* Find the least loaded CPU */
		if (util > best_cpu_util)
		continue;