perf cs-etm: Configure contextID tracing in CPU-wide mode

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When operating in CPU-wide mode being notified of contextID changes is
required so that the decoding mechanic is aware of the process context
switch.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Suzuki Poulouse <suzuki.poulose@arm.com>
Tested-by: Leo Yan <leo.yan@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: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190524173508.29044-2-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Mathieu Poirier 2019-05-24 11:34:52 -06:00 • committed by Arnaldo Carvalho de Melo

parent 10981c8012

commit 3399ad9ac2

2 changed files with 119 additions and 19 deletions

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126

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

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12

tools/perf/util/cs-etm.h

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