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Commit f71d9f01 authored by Juri Lelli's avatar Juri Lelli Committed by Andres Oportus
Browse files

sched/cpufreq: make schedutil use WALT signal 



If WALT is available and enabled, make schedutil governor use its
utilization signal.

Change-Id: I92bc37989447a76616e9bcc4e9e8616774fb9925
Signed-off-by: default avatarJuri Lelli <juri.lelli@arm.com>
[we need to use boosted_cpu_util for schedutil, so make it
 not static]
Signed-off-by: default avatarChris Redpath <chris.redpath@arm.com>
parent e5da6c11

kernel/sched/cpufreq_schedutil.c

+9 −0
Original line number Diff line number Diff line
@@ -17,6 +17,11 @@ 
#include <trace/events/power.h>



#include "sched.h"

#include "tune.h"



#ifdef CONFIG_SCHED_WALT

unsigned long boosted_cpu_util(int cpu);

#endif



/* Stub out fast switch routines present on mainline to reduce the backport

 * overhead. */
@@ -173,6 +178,10 @@ static void sugov_get_util(unsigned long *util, unsigned long *max, u64 time) 
	rt = (rt * max_cap) >> SCHED_CAPACITY_SHIFT;



	*util = min(rq->cfs.avg.util_avg + rt, max_cap);

#ifdef CONFIG_SCHED_WALT

	if (!walt_disabled && sysctl_sched_use_walt_cpu_util)

		*util = boosted_cpu_util(cpu);

#endif

	*max = max_cap;

}

kernel/sched/fair.c

+2 −2
Original line number Diff line number Diff line
@@ -4258,7 +4258,7 @@ static inline void hrtick_update(struct rq *rq) 


#ifdef CONFIG_SMP

static bool cpu_overutilized(int cpu);

static inline unsigned long boosted_cpu_util(int cpu);

unsigned long boosted_cpu_util(int cpu);

#else

#define boosted_cpu_util(cpu) cpu_util(cpu)

#endif
@@ -5478,7 +5478,7 @@ schedtune_task_margin(struct task_struct *task) 


#endif /* CONFIG_SCHED_TUNE */



static inline unsigned long

unsigned long

boosted_cpu_util(int cpu)

{

	unsigned long util = cpu_util(cpu);