Ping Paolo or Peterz.
2016-05-25 3:22 GMT+08:00 Rik van Riel <riel@xxxxxxxxxx>:
> On Wed, 2016-05-18 at 20:27 +0800, Wanpeng Li wrote:
>> From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
>>
>> This patch adds steal guest time support to full dynticks CPU
>> time accounting. After 'commit ff9a9b4c4334 ("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@xxxxxxxxxx>
>> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
>> Cc: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
>> Cc: Rik van Riel <riel@xxxxxxxxxx>
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
>> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
>> Cc: Radim <rkrcmar@xxxxxxxxxx>
>> Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
>
> This also nicely fixes up f9c904b7613b ("sched/cputime:
> Fix steal_account_process_tick() to always return jiffies"),
> which relies on a bool function returning a certain number
> of jiffies :)
>
> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
>
> --
> All rights reversed
--
Regards,
Wanpeng Li
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