Messages in this thread | | | From | Vineet Gupta <> | Subject | Re: [PATCH 1/6] arc,perf: Use common PMU interrupt disabled code | Date | Mon, 16 Jun 2014 13:16:12 +0000 |
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On Sunday 15 June 2014 11:25 AM, Vince Weaver wrote: > Transition to using the new generic PERF_PMU_CAP_NO_INTERRUPT method for > failing a sampling event when no PMU interrupt is available. > > Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Thx, -Vineet
> > diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c > index 63177e4..b9a5685 100644 > --- a/arch/arc/kernel/perf_event.c > +++ b/arch/arc/kernel/perf_event.c > @@ -99,10 +99,6 @@ static int arc_pmu_event_init(struct perf_event *event) > struct hw_perf_event *hwc = &event->hw; > int ret; > > - /* ARC 700 PMU does not support sampling events */ > - if (is_sampling_event(event)) > - return -ENOENT; > - > switch (event->attr.type) { > case PERF_TYPE_HARDWARE: > if (event->attr.config >= PERF_COUNT_HW_MAX) > @@ -298,6 +294,9 @@ static int arc_pmu_device_probe(struct platform_device *pdev) > .read = arc_pmu_read, > }; > > + /* ARC 700 PMU does not support sampling events */ > + arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; > + > ret = perf_pmu_register(&arc_pmu->pmu, pdev->name, PERF_TYPE_RAW); > > return ret; >
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