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Commit 12644d0e authored Mar 12, 2019 by Lingutla Chandrasekhar

sched: Improve the scheduler



This change is for general scheduler improvement.

Change-Id: I8a65125f4f5a123f5a9551a6a4876e81d1b77dcf
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>

parent c9a7c3f4

kernel/sched/fair.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -7323,8 +7323,11 @@ static inline struct cpumask find_rtg_target(struct task_struct p)
		grp = task_related_thread_group(p);
		if (grp && grp->preferred_cluster && is_task_util_above_min_thresh(p)) {
		rtg_target = &grp->preferred_cluster->cpus;

		if (!task_fits_max(p, cpumask_first(rtg_target)))
		rtg_target = NULL;
		else if (cpumask_subset(rtg_target, &asym_cap_sibling_cpus))
		rtg_target = &asym_cap_sibling_cpus;
		} else {
		rtg_target = NULL;
		}

kernel/sched/walt.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2572,7 +2572,8 @@ int preferred_cluster(struct sched_cluster cluster, struct task_struct p)

		grp = task_related_thread_group(p);
		if (grp)
		rc = (grp->preferred_cluster == cluster);
		rc = ((grp->preferred_cluster == cluster) \|\|
		cpumask_subset(&cluster->cpus, &asym_cap_sibling_cpus));

		rcu_read_unlock();
		return rc;