diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/fair.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 1a878d59f0f3..858b94ab1bd2 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -685,6 +685,9 @@ void init_entity_runnable_average(struct sched_entity *se) sa->util_sum = LOAD_AVG_MAX; /* when this task enqueue'ed, it will contribute to its cfs_rq's load_avg */ } + +static inline unsigned long cfs_rq_runnable_load_avg(struct cfs_rq *cfs_rq); +static inline unsigned long cfs_rq_load_avg(struct cfs_rq *cfs_rq); #else void init_entity_runnable_average(struct sched_entity *se) { @@ -2360,7 +2363,7 @@ static inline long calc_tg_weight(struct task_group *tg, struct cfs_rq *cfs_rq) */ tg_weight = atomic_long_read(&tg->load_avg); tg_weight -= cfs_rq->tg_load_avg_contrib; - tg_weight += cfs_rq->avg.load_avg; + tg_weight += cfs_rq_load_avg(cfs_rq); return tg_weight; } @@ -2370,7 +2373,7 @@ static long calc_cfs_shares(struct cfs_rq *cfs_rq, struct task_group *tg) long tg_weight, load, shares; tg_weight = calc_tg_weight(tg, cfs_rq); - load = cfs_rq->avg.load_avg; + load = cfs_rq_load_avg(cfs_rq); shares = (tg->shares * load); if (tg_weight) @@ -2796,6 +2799,16 @@ void idle_exit_fair(struct rq *this_rq) { } +static inline unsigned long cfs_rq_runnable_load_avg(struct cfs_rq *cfs_rq) +{ + return cfs_rq->runnable_load_avg; +} + +static inline unsigned long cfs_rq_load_avg(struct cfs_rq *cfs_rq) +{ + return cfs_rq->avg.load_avg; +} + static int idle_balance(struct rq *this_rq); #else /* CONFIG_SMP */ @@ -4270,6 +4283,12 @@ static void __update_cpu_load(struct rq *this_rq, unsigned long this_load, sched_avg_update(this_rq); } +/* Used instead of source_load when we know the type == 0 */ +static unsigned long weighted_cpuload(const int cpu) +{ + return cfs_rq_runnable_load_avg(&cpu_rq(cpu)->cfs); +} + #ifdef CONFIG_NO_HZ_COMMON /* * There is no sane way to deal with nohz on smp when using jiffies because the @@ -4291,7 +4310,7 @@ static void __update_cpu_load(struct rq *this_rq, unsigned long this_load, static void update_idle_cpu_load(struct rq *this_rq) { unsigned long curr_jiffies = READ_ONCE(jiffies); - unsigned long load = this_rq->cfs.avg.load_avg; + unsigned long load = weighted_cpuload(cpu_of(this_rq)); unsigned long pending_updates; /* @@ -4337,7 +4356,7 @@ void update_cpu_load_nohz(void) */ void update_cpu_load_active(struct rq *this_rq) { - unsigned long load = this_rq->cfs.avg.load_avg; + unsigned long load = weighted_cpuload(cpu_of(this_rq)); /* * See the mess around update_idle_cpu_load() / update_cpu_load_nohz(). */ @@ -4345,12 +4364,6 @@ void update_cpu_load_active(struct rq *this_rq) __update_cpu_load(this_rq, load, 1); } -/* Used instead of source_load when we know the type == 0 */ -static unsigned long weighted_cpuload(const int cpu) -{ - return cpu_rq(cpu)->cfs.avg.load_avg; -} - /* * Return a low guess at the load of a migration-source cpu weighted * according to the scheduling class and "nice" value. @@ -4398,7 +4411,7 @@ static unsigned long cpu_avg_load_per_task(int cpu) { struct rq *rq = cpu_rq(cpu); unsigned long nr_running = READ_ONCE(rq->cfs.h_nr_running); - unsigned long load_avg = rq->cfs.avg.load_avg; + unsigned long load_avg = weighted_cpuload(cpu); if (nr_running) return load_avg / nr_running; @@ -4517,7 +4530,7 @@ static long effective_load(struct task_group *tg, int cpu, long wl, long wg) /* * w = rw_i + @wl */ - w = se->my_q->avg.load_avg + wl; + w = cfs_rq_load_avg(se->my_q) + wl; /* * wl = S * s'_i; see (2) @@ -5862,13 +5875,14 @@ static void update_cfs_rq_h_load(struct cfs_rq *cfs_rq) } if (!se) { - cfs_rq->h_load = cfs_rq->avg.load_avg; + cfs_rq->h_load = cfs_rq_load_avg(cfs_rq); cfs_rq->last_h_load_update = now; } while ((se = cfs_rq->h_load_next) != NULL) { load = cfs_rq->h_load; - load = div64_ul(load * se->avg.load_avg, cfs_rq->avg.load_avg + 1); + load = div64_ul(load * se->avg.load_avg, + cfs_rq_load_avg(cfs_rq) + 1); cfs_rq = group_cfs_rq(se); cfs_rq->h_load = load; cfs_rq->last_h_load_update = now; @@ -5881,7 +5895,7 @@ static unsigned long task_h_load(struct task_struct *p) update_cfs_rq_h_load(cfs_rq); return div64_ul(p->se.avg.load_avg * cfs_rq->h_load, - cfs_rq->avg.load_avg + 1); + cfs_rq_load_avg(cfs_rq) + 1); } #else static inline void update_blocked_averages(int cpu) |