diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 2 | ||||
| -rw-r--r-- | kernel/sched/cpufreq_schedutil.c | 3 | ||||
| -rw-r--r-- | kernel/sched/fair.c | 13 | ||||
| -rw-r--r-- | kernel/sched/sched.h | 20 |
4 files changed, 23 insertions, 15 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index c3cf7d992159..fc177c06e490 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -177,7 +177,7 @@ static void update_rq_clock_task(struct rq *rq, s64 delta) rq->clock_task += delta; -#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING) +#ifdef HAVE_SCHED_AVG_IRQ if ((irq_delta + steal) && sched_feat(NONTASK_CAPACITY)) update_irq_load_avg(rq, irq_delta + steal); #endif diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 97dcd4472a0e..3fffad3bc8a8 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -247,8 +247,7 @@ static unsigned long sugov_get_util(struct sugov_cpu *sg_cpu) * U' = irq + ------- * U * max */ - util *= (max - irq); - util /= max; + util = scale_irq_capacity(util, irq, max); util += irq; /* diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d5f7d521e448..14c3fddf822a 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7551,16 +7551,12 @@ static unsigned long scale_rt_capacity(int cpu) struct rq *rq = cpu_rq(cpu); unsigned long max = arch_scale_cpu_capacity(NULL, cpu); unsigned long used, free; -#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING) unsigned long irq; -#endif -#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING) - irq = READ_ONCE(rq->avg_irq.util_avg); + irq = cpu_util_irq(rq); if (unlikely(irq >= max)) return 1; -#endif used = READ_ONCE(rq->avg_rt.util_avg); used += READ_ONCE(rq->avg_dl.util_avg); @@ -7569,11 +7565,8 @@ static unsigned long scale_rt_capacity(int cpu) return 1; free = max - used; -#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING) - free *= (max - irq); - free /= max; -#endif - return free; + + return scale_irq_capacity(free, irq, max); } static void update_cpu_capacity(struct sched_domain *sd, int cpu) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index ebb4b3c3ece7..614170d9b1aa 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -856,6 +856,7 @@ struct rq { struct sched_avg avg_rt; struct sched_avg avg_dl; #if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING) +#define HAVE_SCHED_AVG_IRQ struct sched_avg avg_irq; #endif u64 idle_stamp; @@ -2210,17 +2211,32 @@ static inline unsigned long cpu_util_rt(struct rq *rq) { return READ_ONCE(rq->avg_rt.util_avg); } +#endif -#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING) +#ifdef HAVE_SCHED_AVG_IRQ static inline unsigned long cpu_util_irq(struct rq *rq) { return rq->avg_irq.util_avg; } + +static inline +unsigned long scale_irq_capacity(unsigned long util, unsigned long irq, unsigned long max) +{ + util *= (max - irq); + util /= max; + + return util; + +} #else static inline unsigned long cpu_util_irq(struct rq *rq) { return 0; } -#endif +static inline +unsigned long scale_irq_capacity(unsigned long util, unsigned long irq, unsigned long max) +{ + return util; +} #endif |