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Groups > linux.kernel > #1566574
| From | Jiri Olsa <jolsa@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 4/4] perf/x86/intel: Throttle PEBS events only from pmi |
| Date | 2017-01-25 14:10 +0100 |
| Message-ID | <t3vuO-2ag-7@gated-at.bofh.it> (permalink) |
| References | <sTmCt-n7-5@gated-at.bofh.it> <sTmCt-n7-15@gated-at.bofh.it> <t3csa-6Gn-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jan 24, 2017 at 05:41:22PM +0100, Peter Zijlstra wrote:
SNIP
> ---
> diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
> index 1635c0c8df23..a95707a4140f 100644
> --- a/arch/x86/events/core.c
> +++ b/arch/x86/events/core.c
> @@ -1343,6 +1343,8 @@ void x86_pmu_stop(struct perf_event *event, int flags)
> cpuc->events[hwc->idx] = NULL;
> WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
> hwc->state |= PERF_HES_STOPPED;
> + } else {
> + hwc->state |= PERF_HES_ARCH;
> }
>
> if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) {
I think that will work, I'll try to test it
jirka
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Re: [PATCH 4/4] perf/x86/intel: Throttle PEBS events only from pmi Peter Zijlstra <peterz@infradead.org> - 2017-01-24 17:50 +0100 Re: [PATCH 4/4] perf/x86/intel: Throttle PEBS events only from pmi Jiri Olsa <jolsa@redhat.com> - 2017-01-25 14:10 +0100 Re: [PATCH 4/4] perf/x86/intel: Throttle PEBS events only from pmi Jiri Olsa <jolsa@redhat.com> - 2017-01-25 14:10 +0100
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