Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1442363

Re: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record capabilities

From Adrian Hunter <adrian.hunter@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record capabilities
Date 2016-07-13 13:50 +0200
Message-ID <rUqPU-2ww-19@gated-at.bofh.it> (permalink)
References <rL5rj-ST-7@gated-at.bofh.it> <rL5rj-ST-11@gated-at.bofh.it>
Organization Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki

Show all headers | View raw


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 <mathieu.poirier@linaro.org>
> ---
>  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 <adrian.hunter@intel.com>

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

Re: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record  capabilities Adrian Hunter <adrian.hunter@intel.com> - 2016-07-13 13:50 +0200
  Re: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record capabilities Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-13 17:20 +0200
    Re: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record  capabilities Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-07-13 17:30 +0200
      Re: [PATCH RESEND 2/2] perf tools: adding coresight etm PMU record capabilities Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-07-13 19:30 +0200

csiph-web