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

From	Rik van Riel <riel@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] sched/cputime: add steal time support to full dynticks CPU time accounting
Date	2016-05-18 06:10 +0200
Message-ID	<rA0Y1-5rn-3@gated-at.bofh.it> (permalink)
References	<rx8yL-4c5-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, 2016-05-10 at 13:34 +0800, Wanpeng Li wrote:
> From: Wanpeng Li <wanpeng.li@hotmail.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@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>
> 

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

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Re: [PATCH] sched/cputime: add steal time support to full dynticks  CPU time accounting Rik van Riel <riel@redhat.com> - 2016-05-18 06:10 +0200

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