Messages in this thread | | | Date | Thu, 19 Jul 2007 21:38:40 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] virtual sched_clock() for s390 |
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* Jan Glauber <jang@linux.vnet.ibm.com> wrote:
> > still, CFS needs time measurement across idle periods as well, for > > another purpose: to be able to do precise task statistics for /proc. > > (for top, ps, etc.) So it's still true that sched_clock() should > > include idle periods too. > > I'm not sure, s390 already has an implemetation for precise accounting > in the architecture code, does CFS also improve accounting data?
what kind of precise accounting does s390 have in the architecture code? CFS changes task (and load) accounting to be sched_clock() driven in essence.
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