From: German Gomez <german.gomez@arm.com> To: coresight@lists.linaro.org, mathieu.poirier@linaro.org, suzuki.poulose@arm.com Cc: james.clark@arm.com, leo.yan@linaro.org, mike.leach@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, German Gomez <german.gomez@arm.com> Subject: [PATCH 0/2] coresight: etm4x: Expose default timestamp source in sysfs Date: Fri, 29 Apr 2022 13:30:58 +0100 [thread overview] Message-ID: <20220429123100.268059-1-german.gomez@arm.com> (raw) Hi, I'm Sending this sysfs addition to the etm4x driver in order to expose the timestamp source of the trace (given by the TRFCR_ELx.TS register). As mentioned in [1/2], having this information is useful for assigning Kernel times to the perf samples. Thanks, German German Gomez (3): coresight: etm4x: Expose default timestamp source in sysfs coresight: etm4x: docs: Add documentation for 'ts_source' sysfs interface perf cs_etm: Store ts_source in AUXTRACE_INFO fields .../testing/sysfs-bus-coresight-devices-etm4x | 8 +++ .../coresight/coresight-etm4x-reference.rst | 14 ++++ arch/arm64/include/asm/sysreg.h | 1 + .../coresight/coresight-etm4x-sysfs.c | 34 ++++++++++ tools/perf/arch/arm/util/cs-etm.c | 64 +++++++++++++++++-- tools/perf/util/cs-etm.c | 61 +++++++++--------- tools/perf/util/cs-etm.h | 13 +++- 7 files changed, 159 insertions(+), 36 deletions(-) -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: German Gomez <german.gomez@arm.com> To: coresight@lists.linaro.org, mathieu.poirier@linaro.org, suzuki.poulose@arm.com Cc: james.clark@arm.com, leo.yan@linaro.org, mike.leach@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, German Gomez <german.gomez@arm.com> Subject: [PATCH 0/2] coresight: etm4x: Expose default timestamp source in sysfs Date: Fri, 29 Apr 2022 13:30:58 +0100 [thread overview] Message-ID: <20220429123100.268059-1-german.gomez@arm.com> (raw) Hi, I'm Sending this sysfs addition to the etm4x driver in order to expose the timestamp source of the trace (given by the TRFCR_ELx.TS register). As mentioned in [1/2], having this information is useful for assigning Kernel times to the perf samples. Thanks, German German Gomez (3): coresight: etm4x: Expose default timestamp source in sysfs coresight: etm4x: docs: Add documentation for 'ts_source' sysfs interface perf cs_etm: Store ts_source in AUXTRACE_INFO fields .../testing/sysfs-bus-coresight-devices-etm4x | 8 +++ .../coresight/coresight-etm4x-reference.rst | 14 ++++ arch/arm64/include/asm/sysreg.h | 1 + .../coresight/coresight-etm4x-sysfs.c | 34 ++++++++++ tools/perf/arch/arm/util/cs-etm.c | 64 +++++++++++++++++-- tools/perf/util/cs-etm.c | 61 +++++++++--------- tools/perf/util/cs-etm.h | 13 +++- 7 files changed, 159 insertions(+), 36 deletions(-) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2022-04-29 12:31 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-29 12:30 German Gomez [this message] 2022-04-29 12:30 ` [PATCH 0/2] coresight: etm4x: Expose default timestamp source in sysfs German Gomez 2022-04-29 12:30 ` [PATCH 1/2] " German Gomez 2022-04-29 12:30 ` German Gomez 2022-04-29 16:28 ` Leo Yan 2022-04-29 16:28 ` Leo Yan 2022-05-02 16:49 ` Mathieu Poirier 2022-05-02 16:49 ` Mathieu Poirier 2022-04-29 12:31 ` [PATCH 2/2] coresight: etm4x: docs: Add documentation for 'ts_source' sysfs interface German Gomez 2022-04-29 12:31 ` German Gomez 2022-05-02 16:45 ` Mathieu Poirier 2022-05-02 16:45 ` Mathieu Poirier
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