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Commit 69232733 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "binder: update low_latency selection for binder transactions"

parents c788d28e 9d5fa2c9

drivers/android/binder.c

+7 −11
Original line number Diff line number Diff line
@@ -1023,10 +1023,10 @@ static void binder_wakeup_poll_threads_ilocked(struct binder_proc *proc, 
		if (thread->looper & BINDER_LOOPER_STATE_POLL &&

		    binder_available_for_proc_work_ilocked(thread)) {

#ifdef CONFIG_SCHED_WALT

			if (sync && thread->task && thread->task->signal &&

				(thread->task->signal->oom_score_adj <= 0)) {

			if (thread->task && current->signal &&

				(current->signal->oom_score_adj == 0) &&

				(current->prio < DEFAULT_PRIO))

				thread->task->low_latency = true;

			}

#endif

			if (sync)

				wake_up_interruptible_sync(&thread->wait);
@@ -1088,8 +1088,9 @@ static void binder_wakeup_thread_ilocked(struct binder_proc *proc, 


	if (thread) {

#ifdef CONFIG_SCHED_WALT

		if (sync && thread->task && thread->task->signal &&

			(thread->task->signal->oom_score_adj <= 0))

		if (thread->task && current->signal &&

			(current->signal->oom_score_adj == 0) &&

			(current->prio < DEFAULT_PRIO))

			thread->task->low_latency = true;

#endif

		if (sync)
@@ -3530,12 +3531,7 @@ static void binder_transaction(struct binder_proc *proc, 
		binder_pop_transaction_ilocked(target_thread, in_reply_to);

		binder_enqueue_thread_work_ilocked(target_thread, &t->work);

		binder_inner_proc_unlock(target_proc);

#ifdef CONFIG_SCHED_WALT

		if (target_thread->task && target_thread->task->signal &&

			(target_thread->task->signal->oom_score_adj <= 0)) {

			target_thread->task->low_latency = true;

		}

#endif



		wake_up_interruptible_sync(&target_thread->wait);

		binder_restore_priority(current, in_reply_to->saved_priority);

		binder_free_transaction(in_reply_to);

include/linux/sched/sysctl.h

+1 −1
Original line number Diff line number Diff line
@@ -59,7 +59,7 @@ extern unsigned int sysctl_sched_ravg_window_nr_ticks; 
extern unsigned int sysctl_sched_dynamic_ravg_window_enable;

extern unsigned int sysctl_sched_prefer_spread;

extern unsigned int sysctl_walt_rtg_cfs_boost_prio;

extern unsigned int sysctl_walt_low_latency_task_boost;

extern unsigned int sysctl_walt_low_latency_task_threshold;



extern int

walt_proc_group_thresholds_handler(struct ctl_table *table, int write,

include/trace/events/sched.h

+1 −1
Original line number Diff line number Diff line
@@ -1267,7 +1267,7 @@ TRACE_EVENT(sched_task_util, 
		__entry->start_cpu		= start_cpu;

#ifdef CONFIG_SCHED_WALT

		__entry->unfilter		= p->unfilter;

		__entry->low_latency		= p->low_latency;

		__entry->low_latency		= walt_low_latency_task(p);

#else

		__entry->unfilter		= 0;

		__entry->low_latency		= 0;

kernel/sched/fair.c

+1 −1
Original line number Diff line number Diff line
@@ -177,7 +177,7 @@ unsigned int sysctl_sched_min_task_util_for_boost = 51; 
unsigned int sysctl_sched_min_task_util_for_colocation = 35;

__read_mostly unsigned int sysctl_sched_prefer_spread;

unsigned int sysctl_walt_rtg_cfs_boost_prio = 99; /* disabled by default */

unsigned int sysctl_walt_low_latency_task_boost; /* disabled by default */

unsigned int sysctl_walt_low_latency_task_threshold; /* disabled by default */

#endif

unsigned int sched_small_task_threshold = 102;

__read_mostly unsigned int sysctl_sched_force_lb_enable = 1;

kernel/sched/sched.h

+2 −1
Original line number Diff line number Diff line
@@ -2911,7 +2911,8 @@ static inline bool task_rtg_high_prio(struct task_struct *p) 


static inline bool walt_low_latency_task(struct task_struct *p)

{

	return sysctl_walt_low_latency_task_boost && p->low_latency;

	return p->low_latency &&

		(task_util(p) < sysctl_walt_low_latency_task_threshold);

}



/* Is frequency of two cpus synchronized with each other? */