linux-kernel - Re: [PATCH] posix-cpu-timers: clock_gettime(CLOCK_*_CPUTIME

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Message-ID: <20081226084320.GC755@elte.hu>
Date:	Fri, 26 Dec 2008 09:43:20 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] posix-cpu-timers: clock_gettime(CLOCK_*_CPUTIME_ID)
	goes backward


* Hidetoshi Seto <seto.hidetoshi@...fujitsu.com> wrote:

> @@ -321,7 +287,7 @@ static int cpu_clock_sample_group(const clockid_t which_clock,
>  		cpu->cpu = cputime.utime;
>  		break;
>  	case CPUCLOCK_SCHED:
> -		cpu->sched = cputime.sum_exec_runtime + task_delta_exec(p);
> +		cpu->sched = cputime.sum_exec_runtime;
>  		break;
>  	}

hm, doesnt this regress precision?

	Ingo
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