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Message-ID: <1463544294.16365.38.camel@redhat.com>
Subject: Re: [PATCH] sched/cputime: add steal time support to full dynticks
 CPU time accounting
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>
Date: Wed, 18 May 2016 00:04:54 -0400
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On Tue, 2016-05-10 at 13:34 +0800, Wanpeng Li wrote:
> From: Wanpeng Li <wanpeng.li@hotmail.com>
>=20
> This patch adds steal guest time support to full dynticks CPU time=C2=A0
> accounting. After commit ff9a9b4c(sched, time: Switch
> VIRT_CPU_ACCOUNTING_GEN=C2=A0
> to jiffy granularity), time is jiffy based sampling even if it's=C2=A0
> still listened to ring boundaries, so steal_account_process_tick()=C2=A0
> is reused to account how much 'ticks' are steal time after the=C2=A0
> last accumulation.=C2=A0
>=20
> Suggested-by: Rik van Riel <riel@redhat.com>
> 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>
>=20

Acked-by: Rik van Riel <riel@redhat.com>

--=20
All Rights Reversed.


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