Re: +timer_stats-slimmed-down-using-statistics-infrastucture.patch added to -mmtree

From: Arjan van de Ven
Date: Sun May 13 2007 - 15:00:19 EST


On Fri, 2007-04-20 at 17:18 -0700, akpm@xxxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxx>
>
> 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@t2930041 timer_stats]# cat data

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

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