Messages in this thread | | | Date | Tue, 25 Feb 2014 12:31:00 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 7/7] perf: kill perf_event_context::pmu |
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On Tue, Feb 11, 2014 at 05:56:51PM +0000, Mark Rutland wrote: > Another option would be to have a context per-pmu. Each context's pmu > pointer would be valid, and (other than the case of software events) it > doesn't make sense to place events from disparate PMUs into the same > group anyway. Then you don't need a fixed sized pmu list in the context > or some arcane list structs.
No it does make sense; for example on hardware that doesn't have a PMI you can create a software event + hardware event group and have the software interrupt read the hardware counter and still get 'some' sampling.
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