From: Rik van Riel <riel@redhat.com>
To: Wanpeng Li <kernellwp@gmail.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Wanpeng Li <wanpeng.li@hotmail.com>,
Ingo Molnar <mingo@kernel.org>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Frederic Weisbecker <fweisbec@gmail.com>,
Paolo Bonzini <pbonzini@redhat.com>, Radim <rkrcmar@redhat.com>
Subject: Re: [PATCH] sched/cputime: Fix steal time accouting during cpu hotplug
Date: Thu, 02 Jun 2016 09:55:03 -0400 [thread overview]
Message-ID: <1464875703.16365.116.camel@redhat.com> (raw)
In-Reply-To: <1464845939-9992-1-git-send-email-wanpeng.li@hotmail.com>
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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>
--
All Rights Reversed.
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prev parent reply other threads:[~2016-06-02 13:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 5:38 [PATCH] sched/cputime: Fix steal time accouting during cpu hotplug Wanpeng Li
2016-06-02 13:55 ` Rik van Riel [this message]
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