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Commit eadeaeb2 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "sched/fair: Add sched_sync_hint_enable node"

parents 213e25ba e8f61130

include/linux/sched/sysctl.h

+1 −0
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ extern unsigned int __weak 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_threshold;

extern unsigned int sysctl_sched_sync_hint_enable;



extern int

walt_proc_group_thresholds_handler(struct ctl_table *table, int write,

kernel/sched/fair.c

+3 −1
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ unsigned int sched_capacity_margin_down[NR_CPUS] = { 
__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_threshold; /* disabled by default */

unsigned int sysctl_sched_sync_hint_enable = 1;

#endif

unsigned int sched_small_task_threshold = 102;

__read_mostly unsigned int sysctl_sched_force_lb_enable = 1;
@@ -7067,7 +7068,8 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
	if (sync && (need_idle || (is_rtg && curr_is_rtg)))

		sync = 0;



	if (sync && bias_to_this_cpu(p, cpu, start_cpu)) {

	if (sysctl_sched_sync_hint_enable && sync

			&& bias_to_this_cpu(p, cpu, start_cpu)) {

		best_energy_cpu = cpu;

		fbt_env.fastpath = SYNC_WAKEUP;

		goto done;

kernel/sysctl.c

+7 −0
Original line number Diff line number Diff line
@@ -587,6 +587,13 @@ static struct ctl_table kern_table[] = { 
		.extra1		= SYSCTL_ZERO,

		.extra2		= &one_thousand,

	},

	{

		.procname	= "sched_sync_hint_enable",

		.data		= &sysctl_sched_sync_hint_enable,

		.maxlen		= sizeof(unsigned int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec,

	},

#endif

	{

		.procname	= "sched_force_lb_enable",