Re: [RFC/PATCH 01/38] perf tools: Use a software dummy event to track task/mmap events

From: Jiri Olsa
Date: Mon Oct 05 2015 - 08:51:46 EST


On Fri, Oct 02, 2015 at 02:18:42PM +0900, Namhyung Kim wrote:

SNIP

>
> +/**
> + * perf_evsel__is_dummy_tracking - Return whether given evsel is a dummy
> + * event for tracking meta events only
> + *
> + * @evsel - evsel selector to be tested
> + *
> + * Return %true if event is a dummy tracking event
> + */
> +static inline bool perf_evsel__is_dummy_tracking(struct perf_evsel *evsel)
> +{
> + return evsel->attr.type == PERF_TYPE_SOFTWARE &&
> + evsel->attr.config == PERF_COUNT_SW_DUMMY &&
> + evsel->attr.task == 1 && evsel->attr.mmap == 1;

should this use now check for evsel->tracking ?

jirka
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