Messages in this thread | | | Date | Fri, 25 Jun 2021 15:15:15 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 1/3] perf/x86: Add new event for AUX output counter index |
| |
On Wed, Jun 09, 2021 at 05:20:53PM +0300, Adrian Hunter wrote:
> +static void intel_pmu_report_aux_output_id(struct perf_event *event) > +{ > + struct hw_perf_event *hwc = &event->hw; > + > + /* > + * So long as all PEBS-via-PT events for a recording session are > + * scheduled together, then only changes to hwc->idx need be reported. > + */ > + if (hwc->idx != hwc->idx_reported) { > + hwc->idx_reported = hwc->idx; > + perf_report_aux_output_id(event, hwc->idx); > + } > +}
AFAICT you want a callback in x86_assign_hw_event(), is that so?
| |