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perf evsel: Add functions to enable/disable for a specific CPU

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Refactor the existing functions to use these functions internally.

Used in the next patch.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lore.kernel.org/lkml/20191121001522.180827-12-andi@firstfloor.org
Link: http://lore.kernel.org/lkml/20191127232657.GL84886@tassilo.jf.intel.com # Fix
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen
2019-11-20 16:15:21 -08:00
committed by Arnaldo Carvalho de Melo
parent 4b49ab708d
commit 363fb12189
4 changed files with 52 additions and 14 deletions
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13
tools/perf/util/evsel.c
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@@ -1223,16 +1223,27 @@ int perf_evsel__append_addr_filter(struct evsel *evsel, const char *filter)
return perf_evsel__append_filter(evsel, "%s,%s", filter);
}
/* Caller has to clear disabled after going through all CPUs. */
int evsel__enable_cpu(struct evsel *evsel, int cpu)
{
return perf_evsel__enable_cpu(&evsel->core, cpu);
}
int evsel__enable(struct evsel *evsel)
{
int err = perf_evsel__enable(&evsel->core);
if (!err)
evsel->disabled = false;
return err;
}
/* Caller has to set disabled after going through all CPUs. */
int evsel__disable_cpu(struct evsel *evsel, int cpu)
{
return perf_evsel__disable_cpu(&evsel->core, cpu);
}
int evsel__disable(struct evsel *evsel)
{
int err = perf_evsel__disable(&evsel->core);