Messages in this thread |  | | From | Yafang Shao <> | | Date | Wed, 20 Dec 2023 23:18:01 +0800 | | Subject | Re: [PATCH v1] sched/rt: Fix rt task's sched latency statistics error in sched_stat_wait trace_point |
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On Wed, Dec 20, 2023 at 10:33 PM Junwen Wu <wudaemon@163.com> wrote: > > >>I think we'd better use if (!on_rt_rq(rt_se)) > >> > >> + update_stats_wait_end_rt(rt_rq, rt_se); > >> > hi, Yafang.when execute update_stats_dequeue_rt, rt_se->on_rq is still 0, util dequeue_rt_stack, > the method is not effect.
Ah, you are right.
> I this we can use if (p && p != rq->curr) /*Mark the end of the wait period if dequeueing task*/
Agreed.
> because schedstats is not supported for rt group,we only need to update rt_se that is realy task. > -- > Best regards >
-- Regards Yafang
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