linux-kernel - Re: + timer_stats-slimmed-down-using-statistics-infrastucture.patch added to -mm tree

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Date:	Sun, 13 May 2007 11:58:40 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, mp3@...ibm.com, mingo@...e.hu,
	tglx@...utronix.de
Subject: Re: +
	timer_stats-slimmed-down-using-statistics-infrastucture.patch added to -mm
	tree

On Fri, 2007-04-20 at 17:18 -0700, akpm@...ux-foundation.org wrote:
> The patch titled
>      timer_stats slimmed down: using statistics infrastucture
> has been added to the -mm tree.  Its filename is
>      timer_stats-slimmed-down-using-statistics-infrastucture.patch
> 
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
> 
> See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
> out what to do about this
> 
> ------------------------------------------------------
> Subject: timer_stats slimmed down: using statistics infrastucture
> From: Martin Peschke <mp3@...ibm.com>
> 
> This patch implements timer_stats based on the statistics infrastructure.
> 
> Here is some sample output, which even somewhat
> resembles /proc/timer_stats.
> (>80 char lines because of symbol names, sorry for line breaks).
> 
> It reads:
> <statistic name> <basket> <hits> <label>
> 
> with label being:
> <pid> <task name> <start_fn>(<stop_fn>)
> 
> [root@...30041 timer_stats]# cat data

this patch changes the userspace API though, and breaks PowerTOP :(

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