linux-kernel - Re: [PATCH] posix-cpu-timers: clock_gettime(CLOCK_THREAD_CPUTIME

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Message-ID: <49542030.4000907@jp.fujitsu.com>
Date:	Fri, 26 Dec 2008 09:07:12 +0900
From:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] posix-cpu-timers: clock_gettime(CLOCK_THREAD_CPUTIME_ID)
 goes backward

Ingo Molnar wrote:
> ok - the issue is real, but there's a few implementational details. Did 
> you know about task_delta_exec()? This new function duplicates that 
> function's behavior - and task_delta_exec() is already used by posix 
> task/cpu timers.
> 
> I find your new task_total_exec() interface better (it's easier to use), 
> could you have a look at eliminating task_delta_exec() users and migrating 
> them over to task_total_exec()?

Yes.  There are only 2 users (clock_gettime() on thread timer and that on
process timer), so I'll post new patch with better description soon.

Thanks,
H.Seto

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