From mboxrd@z Thu Jan 1 00:00:00 1970 From: adrian.hunter@intel.com (Adrian Hunter) Date: Wed, 13 Jul 2016 14:40:59 +0300 Subject: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record capabilities In-Reply-To: <1466182922-14426-3-git-send-email-mathieu.poirier@linaro.org> References: <1466182922-14426-1-git-send-email-mathieu.poirier@linaro.org> <1466182922-14426-3-git-send-email-mathieu.poirier@linaro.org> Message-ID: <578628CB.8020707@intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 17/06/16 20:02, Mathieu Poirier wrote: > Coresight ETMs are IP blocks used to perform HW assisted tracing > on a CPU core. This patch introduce the required auxiliary API > functions allowing the perf core to interact with a tracer. > > Signed-off-by: Mathieu Poirier > --- > MAINTAINERS | 3 + > tools/perf/arch/arm/util/Build | 2 +- > tools/perf/arch/arm/util/auxtrace.c | 54 ++++ > tools/perf/arch/arm/util/cs-etm.c | 559 ++++++++++++++++++++++++++++++++++++ > tools/perf/arch/arm/util/cs-etm.h | 23 ++ > tools/perf/arch/arm64/util/Build | 4 + > tools/perf/util/auxtrace.c | 1 + > tools/perf/util/auxtrace.h | 1 + > tools/perf/util/cs-etm.h | 74 +++++ > 9 files changed, 720 insertions(+), 1 deletion(-) > create mode 100644 tools/perf/arch/arm/util/auxtrace.c > create mode 100644 tools/perf/arch/arm/util/cs-etm.c > create mode 100644 tools/perf/arch/arm/util/cs-etm.h > create mode 100644 tools/perf/util/cs-etm.h > > diff --git a/MAINTAINERS b/MAINTAINERS > index d3451007718b..4fa03b03bfc5 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1086,6 +1086,9 @@ F: Documentation/trace/coresight.txt > F: Documentation/devicetree/bindings/arm/coresight.txt > F: Documentation/ABI/testing/sysfs-bus-coresight-devices-* > F: tools/perf/arch/arm/util/pmu.c > +F: tools/perf/arch/arm/util/auxtrace.c > +F: tools/perf/arch/arm/util/cs_etm.c > +F: tools/perf/arch/arm/util/cs_etm.h File names have changed from having '_' to '-' Also FWIW there is now tools/perf/util/cs-etm.h As last time, there is no decoder, which still begs the question: is there anything you can actually do with the perf.data file? Otherwise: Acked-by: Adrian Hunter