lkml.org 
[lkml]   [2010]   [Nov]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH v2 5/7] taskstats: Improve cumulative CPU time accounting
On Mon, 15 Nov 2010 18:51:57 +0100
Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> On Mon, 2010-11-15 at 18:49 +0100, Martin Schwidefsky wrote:
> > > To what purpose?
> >
> > Is that a trick question? Why do we have tools like "top"? Or process
> > accounting? The point is that the quality of the numbers we get right
> > now is rather bad, the overhead of scanning /proc is horrendous and
> > the 10ms granularity is rather coarse.
>
> But you're not just replacing top, you're adding all kinds of new
> accounting crap all over the place.

We DO replace top. Patch #7 of 7.

--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.



\
 
 \ /
  Last update: 2010-11-15 19:03    [W:0.327 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site