linux-kernel - Re: [PATCH 21/33] perf, tools: Add support for record transaction flags

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Date:	Mon, 29 Oct 2012 19:49:45 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com,
	peterz@...radead.org, jolsa@...hat.com, eranian@...gle.com,
	mingo@...nel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 21/33] perf, tools: Add support for record transaction flags

On Fri, 26 Oct 2012 13:30:03 -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
>
> Add the glue in the user tools to record transaction flags with
> --transaction (-T was already taken) and dump them.
>
> Followon patches will use them.
>
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> ---
>  tools/perf/Documentation/perf-record.txt |    5 ++++-
>  tools/perf/builtin-record.c              |    2 ++
>  tools/perf/perf.h                        |    1 +
>  tools/perf/util/event.h                  |    1 +
>  tools/perf/util/evsel.c                  |    9 +++++++++
>  tools/perf/util/session.c                |    3 +++
>  6 files changed, 20 insertions(+), 1 deletions(-)
>
> diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
> index 0ffb436..34f4f1a 100644
> --- a/tools/perf/Documentation/perf-record.txt
> +++ b/tools/perf/Documentation/perf-record.txt
> @@ -185,12 +185,15 @@ is enabled for all the sampling events. The sampled branch type is the same for
>  The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k
>  Note that this feature may not be available on all processors.
>  
> --W::
>  --weight::
>  Enable weightened sampling. When the event supports an additional weight per sample scale
>  the histogram by this weight. This currently works for TSX abort events and some memory events
>  in precise mode on modern Intel CPUs.
>  
> +-T::

No, as you said, -T was already taken. ;)

Thanks,
Namhyung


> +--transaction::
> +Record transaction flags for transaction related events.
> +
>  SEE ALSO
>  --------
>  linkperf:perf-stat[1], linkperf:perf-list[1]
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