Function report |
Source Code:kernel\sched\pelt.c |
Create Date:2022-07-28 09:43:22 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:We can represent the historical contribution to runnable average as the* coefficients of a geometric series. To do this we sub-divide our runnable* history into segments of approximately 1ms (1024us); label the segment that
Proto:static __always_inline int ___update_load_sum(u64 now, struct sched_avg *sa, unsigned long load, unsigned long runnable, int running)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
u64 | now | |
struct sched_avg * | sa | |
unsigned long | load | |
unsigned long | runnable | |
int | running |
181 | delta = now - last_update_time |
186 | If delta < 0 Then |
187 | last_update_time = now |
188 | Return 0 |
195 | delta >>= 10 |
196 | If Not delta Then Return 0 |
199 | last_update_time += delta << 10 |
223 | Return 1 |
Name | Describe |
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__update_load_avg_blocked_se | sched_entity:* task:* se_runnable() == se_weight()* group: [ see update_cfs_group() ]* se_weight() = tg->weight * grq->load_avg / tg->load_avg* se_runnable() = se_weight(se) * grq->runnable_load_avg / grq->load_avg* load_sum := runnable_sum* load_avg = |
__update_load_avg_se | |
__update_load_avg_cfs_rq | |
update_rt_rq_load_avg | _rq:* util_sum = \Sum se->avg.util_sum but se->avg.util_sum is not tracked* util_sum = cpu_scale * load_sum* runnable_load_sum = load_sum* load_avg and runnable_load_avg are not supported and meaningless. |
update_dl_rq_load_avg | dl_rq:* util_sum = \Sum se->avg.util_sum but se->avg.util_sum is not tracked* util_sum = cpu_scale * load_sum* runnable_load_sum = load_sum |
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