perf: cs-etm: Optimize option setup for CPU-wide sessions

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Call function cs_etm_set_option() once with all relevant options set
rather than multiple times to avoid going through the list of CPU more
than once.

Suggested-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190611204528.20093-1-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

...

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Mathieu Poirier 2019-06-11 14:45:28 -06:00 • committed by Arnaldo Carvalho de Melo

parent 010e3e8fc1

commit 374d910f87

1 changed files with 8 additions and 12 deletions

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tools/perf/arch/arm/util/cs-etm.c

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