Messages in this thread | | | Date | Mon, 15 Nov 2010 19:00:31 +0100 | From | Martin Schwidefsky <> | Subject | Re: [RFC][PATCH v2 5/7] taskstats: Improve cumulative CPU time accounting |
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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.
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