kernel/sched/fair.c

287  * delta /= w
289 static inline u64 calc_delta_fair(u64 delta, struct sched_entity *se)
292 		delta = __calc_delta(delta, NICE_0_LOAD, &se->load);
294 	return delta;
528 	s64 delta = (s64)(vruntime - max_vruntime);
529 	if (delta > 0)
537 	s64 delta = (s64)(vruntime - min_vruntime);
538 	if (delta < 0)
641 void avg_vruntime_update(struct cfs_rq *cfs_rq, s64 delta)
646 	cfs_rq->avg_vruntime -= cfs_rq->avg_load * delta;
753 	s64 delta = (s64)(vruntime - min_vruntime);
754 	if (delta > 0) {
755 		avg_vruntime_update(cfs_rq, delta);
1214 	 * will be 0.So it will let the delta wrong. We need to avoid this
2688 	u64 runtime, delta, now;
2694 		delta = runtime - p->last_sum_exec_runtime;
2701 		delta = p->se.avg.load_sum;
2708 	return delta;
4100 	long delta;
4121 	delta = cfs_rq->avg.load_avg - cfs_rq->tg_load_avg_contrib;
4122 	if (abs(delta) > cfs_rq->tg_load_avg_contrib / 64) {
4123 		atomic_long_add(delta, &cfs_rq->tg->load_avg);
4131 	long delta;
4141 	delta = 0 - cfs_rq->tg_load_avg_contrib;
4142 	atomic_long_add(delta, &cfs_rq->tg->load_avg);
4513 	 *   cfs_idle_lag (delta between rq's update and cfs_rq's update)
4516 	 *   rq_idle_lag (delta between now and rq's update)
5730 			u64 delta = rq_clock(rq) - cfs_rq->throttled_clock_self;
5734 			if (SCHED_WARN_ON((s64)delta < 0))
5735 				delta = 0;
5737 			cfs_rq->throttled_clock_self_time += delta;
6646 		s64 delta = slice - ran;
6648 		if (delta < 0) {
6653 		hrtick_start(rq, delta);
8883 	s64 delta;
8917 	delta = rq_clock_task(env->src_rq) - p->se.exec_start;
8919 	return delta < (s64)sysctl_sched_migration_cost;
12616 	s64 delta;
12646 	 * Find delta after normalizing se's vruntime with its cfs_rq's
12650 	delta = (s64)(sea->vruntime - seb->vruntime) +
12653 	return delta > 0;