440 	s64 delta = (s64)(vruntime - max_vruntime);  in max_vruntime()  local
441 	if (delta > 0)  in max_vruntime()
449 	s64 delta = (s64)(vruntime - min_vruntime);  in min_vruntime()  local
450 	if (delta < 0)  in min_vruntime()
601 static inline u64 calc_delta_fair(u64 delta, struct sched_entity *se)  in calc_delta_fair()  argument
604 		delta = __calc_delta(delta, NICE_0_LOAD, &se->load);  in calc_delta_fair()
606 	return delta;  in calc_delta_fair()
1681 	u64 runtime, delta, now;  in numa_get_avg_runtime()  local
1687 		delta = runtime - p->last_sum_exec_runtime;  in numa_get_avg_runtime()
1690 		delta = p->se.avg.runnable_avg_sum;  in numa_get_avg_runtime()
1697 	return delta;  in numa_get_avg_runtime()
2526 	u64 delta, periods;  in __update_entity_runnable_avg()  local
2531 	delta = now - sa->last_runnable_update;  in __update_entity_runnable_avg()
2536 	if ((s64)delta < 0) {  in __update_entity_runnable_avg()
2545 	delta >>= 10;  in __update_entity_runnable_avg()
2546 	if (!delta)  in __update_entity_runnable_avg()
2552 	if (delta + delta_w >= 1024) {  in __update_entity_runnable_avg()
2569 		delta -= delta_w;  in __update_entity_runnable_avg()
2572 		periods = delta / 1024;  in __update_entity_runnable_avg()
2573 		delta %= 1024;  in __update_entity_runnable_avg()
2594 		sa->runnable_avg_sum += delta;  in __update_entity_runnable_avg()
2596 		sa->running_avg_sum += delta * scale_freq  in __update_entity_runnable_avg()
2598 	sa->avg_period += delta;  in __update_entity_runnable_avg()
2964 		u64 delta = rq_clock(rq_of(cfs_rq)) - se->statistics.sleep_start;  in enqueue_sleeper()  local
2966 		if ((s64)delta < 0)  in enqueue_sleeper()
2967 			delta = 0;  in enqueue_sleeper()
2969 		if (unlikely(delta > se->statistics.sleep_max))  in enqueue_sleeper()
2970 			se->statistics.sleep_max = delta;  in enqueue_sleeper()
2973 		se->statistics.sum_sleep_runtime += delta;  in enqueue_sleeper()
2976 			account_scheduler_latency(tsk, delta >> 10, 1);  in enqueue_sleeper()
2977 			trace_sched_stat_sleep(tsk, delta);  in enqueue_sleeper()
2981 		u64 delta = rq_clock(rq_of(cfs_rq)) - se->statistics.block_start;  in enqueue_sleeper()  local
2983 		if ((s64)delta < 0)  in enqueue_sleeper()
2984 			delta = 0;  in enqueue_sleeper()
2986 		if (unlikely(delta > se->statistics.block_max))  in enqueue_sleeper()
2987 			se->statistics.block_max = delta;  in enqueue_sleeper()
2990 		se->statistics.sum_sleep_runtime += delta;  in enqueue_sleeper()
2994 				se->statistics.iowait_sum += delta;  in enqueue_sleeper()
2996 				trace_sched_stat_iowait(tsk, delta);  in enqueue_sleeper()
2999 			trace_sched_stat_blocked(tsk, delta);  in enqueue_sleeper()
3009 						delta >> 20);  in enqueue_sleeper()
3011 			account_scheduler_latency(tsk, delta >> 10, 0);  in enqueue_sleeper()
3199 	s64 delta;  in check_preempt_tick()  local
3222 	delta = curr->vruntime - se->vruntime;  in check_preempt_tick()
3224 	if (delta < 0)  in check_preempt_tick()
3227 	if (delta > ideal_runtime)  in check_preempt_tick()
4179 		s64 delta = slice - ran;  in hrtick_start_fair()  local
4181 		if (delta < 0) {  in hrtick_start_fair()
4186 		hrtick_start(rq, delta);  in hrtick_start_fair()
5444 	s64 delta;  in task_hot()  local
5467 	delta = rq_clock_task(env->src_rq) - p->se.exec_start;  in task_hot()
5469 	return delta < (s64)sysctl_sched_migration_cost;  in task_hot()
6037 	s64 delta;  in scale_rt_capacity()  local
6045 	delta = __rq_clock_broken(rq) - age_stamp;  in scale_rt_capacity()
6047 	if (unlikely(delta < 0))  in scale_rt_capacity()
6048 		delta = 0;  in scale_rt_capacity()
6050 	total = sched_avg_period() + delta;  in scale_rt_capacity()