linux-kernel - Re: [PATCH] sched/cputime: add steal time support to full dynticks CPU time accounting

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Message-ID: <1463544294.16365.38.camel@redhat.com>
Date:	Wed, 18 May 2016 00:04:54 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Wanpeng Li <kernellwp@...il.com>, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org
Cc:	Wanpeng Li <wanpeng.li@...mail.com>,
	Ingo Molnar <mingo@...nel.org>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Paolo Bonzini <pbonzini@...hat.com>, Radim <rkrcmar@...hat.com>
Subject: Re: [PATCH] sched/cputime: add steal time support to full dynticks
 CPU time accounting

On Tue, 2016-05-10 at 13:34 +0800, Wanpeng Li wrote:
> From: Wanpeng Li <wanpeng.li@...mail.com>
> 
> This patch adds steal guest time support to full dynticks CPU time 
> accounting. After commit ff9a9b4c(sched, time: Switch
> VIRT_CPU_ACCOUNTING_GEN 
> to jiffy granularity), time is jiffy based sampling even if it's 
> still listened to ring boundaries, so steal_account_process_tick() 
> is reused to account how much 'ticks' are steal time after the 
> last accumulation. 
> 
> Suggested-by: Rik van Riel <riel@...hat.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Peter Zijlstra (Intel) <peterz@...radead.org>
> Cc: Rik van Riel <riel@...hat.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Radim <rkrcmar@...hat.com>
> Signed-off-by: Wanpeng Li <wanpeng.li@...mail.com>
> 

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

-- 
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