Merge "sched/walt: Improve the scheduler" (c593b697) · Commits · e / devices / android_kernel_fairphone_FP5

kernel/sched/fair.c

+14 −3

Original line number	Diff line number	Diff line
		@@ -4091,13 +4091,24 @@ place_entity(struct cfs_rq cfs_rq, struct sched_entity se, int initial)
		vruntime -= thresh;
		#ifdef CONFIG_SCHED_WALT
		if (entity_is_task(se)) {
		if (task_rtg_high_prio(task_of(se)) \|\|
		walt_procfs_low_latency_task(task_of(se))) {
		vruntime -= thresh;
		se->vruntime = vruntime;
		}
		if (walt_binder_low_latency_task(task_of(se))) {
		vruntime -= sysctl_sched_latency;
		se->vruntime = vruntime;
		}
		if (per_task_boost(task_of(se)) == TASK_BOOST_STRICT_MAX) {
		vruntime -= thresh;
		vruntime -= sysctl_sched_latency;
		se->vruntime = vruntime;
		}
		if ((per_task_boost(task_of(se)) ==
		TASK_BOOST_STRICT_MAX) \|\|
		walt_low_latency_task(task_of(se)) \|\|
		task_rtg_high_prio(task_of(se))) {
		vruntime -= sysctl_sched_latency;
		vruntime -= thresh;
		se->vruntime = vruntime;
		return;
		}
		}

+12 −0

Original line number	Diff line number	Diff line
		@@ -3011,6 +3011,18 @@ static inline bool walt_low_latency_task(struct task_struct *p)
		(task_util(p) < sysctl_walt_low_latency_task_threshold);
		}

		static inline bool walt_binder_low_latency_task(struct task_struct *p)
		{
		return (p->wts.low_latency & WALT_LOW_LATENCY_BINDER) &&
		(task_util(p) < sysctl_walt_low_latency_task_threshold);
		}

		static inline bool walt_procfs_low_latency_task(struct task_struct *p)
		{
		return (p->wts.low_latency & WALT_LOW_LATENCY_PROCFS) &&
		(task_util(p) < sysctl_walt_low_latency_task_threshold);
		}

		/* Is frequency of two cpus synchronized with each other? */
		static inline int same_freq_domain(int src_cpu, int dst_cpu)
		{