Messages in this thread | | | Subject | Re: [RFC][PATCH v2 5/7] taskstats: Improve cumulative CPU time accounting | From | Peter Zijlstra <> | Date | Mon, 15 Nov 2010 18:51:57 +0100 |
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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.
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