linux-kernel - Re: [PATCH] process cputimer is moving faster than its corresponding clock

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Message-ID: <1367039190.12779.14.camel@Wailaba2>
Date:	Sat, 27 Apr 2013 01:06:30 -0400
From:	Olivier Langlois <olivier@...llion01.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>, schwidefsky@...ibm.com,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] process cputimer is moving faster than its
 corresponding clock


> 2) tst-cputimer1.c only have CLOCK_PROCESS_CPUTIME_ID test and
> don't have any utime, stime tests.
> 
Sorry, I should take a couple minutes break before pressing send to be
sure that I have said everything :-)

CLOCK_PROCESS_CPUTIME_ID is user space name for kernel space
CPUCLOCK_SCHED clock.

and your are correct. It doesn't have any utime and stime test. Hence
this is why I am reticent to state anything about them when we discussed
about the relevence of update_gt_cputime() once we have the patch in.

Greetings,
Olivier


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