Messages in this thread | | | Subject | Re: [RFC PATCHSET] sched,perf: unify tracers in sched and move perf on top of TP | From | Peter Zijlstra <> | Date | Tue, 04 May 2010 19:29:25 +0200 |
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On Tue, 2010-05-04 at 14:38 +0200, Tejun Heo wrote: > > This patchset does the following two things. > > * 0001-0007: Unify the three tracers (tracepoints, perf_events and > preempt/sched notifiers) in scheduler.
Right, so I really don't like the SCHED_EVENT() thing much, esp the 3 different function postfixes.
> * 0008-0012: Move perf hooks in sched on top of tracepoints if TPs are > enabled.
This seems to add a terrible amount of overhead for no particular reason.
I know Ingo was pushing to consolidate things, but imho this cure is worse than the ailment.
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