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Groups > linux.kernel > #1340599
| From | Steven Rostedt <rostedt@goodmis.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] sched/deadline: Always calculate end of period on sched_yield() |
| Date | 2016-02-23 14:20 +0100 |
| Message-ID | <r5l2G-5VT-11@gated-at.bofh.it> (permalink) |
| References | <r1vai-5dV-11@gated-at.bofh.it> <r5kgi-5mq-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, 23 Feb 2016 13:28:22 +0100 Peter Zijlstra <peterz@infradead.org> wrote: > On Fri, Feb 12, 2016 at 06:10:20PM -0500, Steven Rostedt wrote: > > diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c > > index cd64c979d0e1..1dd180cda574 100644 > > --- a/kernel/sched/deadline.c > > +++ b/kernel/sched/deadline.c > > @@ -735,7 +735,7 @@ static void update_curr_dl(struct rq *rq) > > * approach need further study. > > */ > > delta_exec = rq_clock_task(rq) - curr->se.exec_start; > > - if (unlikely((s64)delta_exec <= 0)) > > + if (unlikely((s64)delta_exec <= 0 && !dl_se->dl_yielded)) > > return; > > > > schedstat_set(curr->se.statistics.exec_max, > > > Would something like this make sense instead? > I'll test it and see if it works. -- Steve
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Re: [PATCH] sched/deadline: Always calculate end of period on sched_yield() Peter Zijlstra <peterz@infradead.org> - 2016-02-23 13:30 +0100 Re: [PATCH] sched/deadline: Always calculate end of period on sched_yield() Steven Rostedt <rostedt@goodmis.org> - 2016-02-23 14:20 +0100 Re: [PATCH] sched/deadline: Always calculate end of period on sched_yield() Steven Rostedt <rostedt@goodmis.org> - 2016-02-23 16:10 +0100 [tip:sched/core] sched/deadline: Always calculate end of period on sched_yield() tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2016-02-29 12:20 +0100
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