From: Laurent Vivier <Laurent.Vivier@bull.net>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RESEND][PATCH 0/4] Virtual Machine Time Accounting
Date: Mon, 10 Sep 2007 14:15:58 +0200 [thread overview]
Message-ID: <46E5357E.8090108@bull.net> (raw)
In-Reply-To: <20070910120758.GA26835@elte.hu>
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Ingo Molnar wrote:
> * Laurent Vivier <Laurent.Vivier@bull.net> wrote:
>
>> Ingo, please, could you have a look to these patches ?
>>
>> The aim of these four patches is to introduce Virtual Machine time
>> accounting.
>>
>> [PATCH 1/4] as recent CPUs introduce a third running state, after
>> "user" and "system", we need a new field, "guest", in cpustat to store
>> the time used by the CPU to run virtual CPU. Modify /proc/stat to
>> display this new field.
>
> the concept certainly looks sane to me.
>
> The heavy-handed use of #ifdefs uglifies the code to a large degree, but
> this is not a fundamental problem: since basically all distros have KVM
> enabled (and lguest benefits from this too), could you just make all
> this new code unconditional?
No problem for me.
Thank you,
Laurent
--
------------- Laurent.Vivier@bull.net --------------
"Software is hard" - Donald Knuth
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next prev parent reply other threads:[~2007-09-10 12:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-10 12:02 [RESEND][PATCH 0/4] Virtual Machine Time Accounting Laurent Vivier
2007-09-10 12:07 ` Ingo Molnar
2007-09-10 12:15 ` Laurent Vivier [this message]
2007-09-10 12:50 ` Avi Kivity
2007-09-10 13:08 ` Laurent Vivier
2007-09-10 18:10 ` Alistair John Strachan
2007-09-11 8:06 ` Laurent Vivier
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