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Groups > linux.kernel > #1412240
| From | Rik van Riel <riel@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] sched/cputime: Fix steal time accouting during cpu hotplug |
| Date | 2016-06-02 16:00 +0200 |
| Message-ID | <rFBkd-6AY-3@gated-at.bofh.it> (permalink) |
| References | <rFtwl-1PU-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On Thu, 2016-06-02 at 13:38 +0800, Wanpeng Li wrote:
> From: Wanpeng Li <wanpeng.li@hotmail.com>
>
> I believe rq->prev_irq_time has similar issue. So this patch fix it
> by setting
> rq->prev_* to current irq time and steal clock timestamp after a cpu
> hotplug
> comes back.
>
> Fixes: 'commit e9532e69b8d1 ("sched/cputime: Fix steal time
> accounting vs. CPU hotplug")'
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Radim <rkrcmar@redhat.com>
> Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
>
Acked-by: Rik van Riel <riel@redhat.com>
--
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[PATCH] sched/cputime: Fix steal time accouting during cpu hotplug Wanpeng Li <kernellwp@gmail.com> - 2016-06-02 07:40 +0200 Re: [PATCH] sched/cputime: Fix steal time accouting during cpu hotplug Rik van Riel <riel@redhat.com> - 2016-06-02 16:00 +0200
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