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sched/cpufreq: make schedutil use WALT signal

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

Change-Id: I92bc37989447a76616e9bcc4e9e8616774fb9925
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
[we need to use boosted_cpu_util for schedutil, so make it
 not static]
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
This commit is contained in:
Juri Lelli 2016-12-14 16:10:10 +00:00 • committed by Andres Oportus
parent e5da6c11b2
commit f71d9f01c6
2 changed files with 11 additions and 2 deletions
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9
kernel/sched/cpufreq_schedutil.c
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@ -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;
}

4
kernel/sched/fair.c
View file

@ -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);