linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: kan.liang@linux.intel.com
Cc: jolsa@redhat.com, peterz@infradead.org, mingo@redhat.com,
	linux-kernel@vger.kernel.org, namhyung@kernel.org,
	adrian.hunter@intel.com, mathieu.poirier@linaro.org,
	ravi.bangoria@linux.ibm.com, alexey.budankov@linux.intel.com,
	vitaly.slobodskoy@intel.com, pavel.gerasimov@intel.com,
	mpe@ellerman.id.au, eranian@google.com, ak@linux.intel.com
Subject: Re: [PATCH V4 04/17] perf stat: Clear HEADER_CPU_PMU_CAPS
Date: Fri, 17 Apr 2020 11:42:42 -0300	[thread overview]
Message-ID: <20200417144242.GB17973@kernel.org> (raw)
In-Reply-To: <20200319202517.23423-5-kan.liang@linux.intel.com>

Em Thu, Mar 19, 2020 at 01:25:04PM -0700, kan.liang@linux.intel.com escreveu:
> From: Kan Liang <kan.liang@linux.intel.com>
> 
> The CPU PMU capabilities information is only useful for perf record with
> LBR call stack.
> 
> Clear the header for perf stat.

Ditto.
 
> Reviewed-by: Andi Kleen <ak@linux.intel.com>
> Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
> ---
>  tools/perf/builtin-stat.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index ec053dc1e35c..b5c8a5ab5e75 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -1595,6 +1595,7 @@ static void init_features(struct perf_session *session)
>  	perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
>  	perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK);
>  	perf_header__clear_feat(&session->header, HEADER_AUXTRACE);
> +	perf_header__clear_feat(&session->header, HEADER_CPU_PMU_CAPS);
>  }
>  
>  static int __cmd_record(int argc, const char **argv)
> -- 
> 2.17.1
> 

-- 

- Arnaldo

  reply	other threads:[~2020-04-17 14:42 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 20:25 [PATCH V4 00/17] Stitch LBR call stack (Perf Tools) kan.liang
2020-03-19 20:25 ` [PATCH V4 01/17] perf pmu: Add support for PMU capabilities kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 02/17] perf header: Support CPU " kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 03/17] perf record: Clear HEADER_CPU_PMU_CAPS for non LBR call stack mode kan.liang
2020-04-17 14:42   ` Arnaldo Carvalho de Melo
2020-03-19 20:25 ` [PATCH V4 04/17] perf stat: Clear HEADER_CPU_PMU_CAPS kan.liang
2020-04-17 14:42   ` Arnaldo Carvalho de Melo [this message]
2020-03-19 20:25 ` [PATCH V4 05/17] perf machine: Remove the indent in resolve_lbr_callchain_sample kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 06/17] perf machine: Refine the function for LBR call stack reconstruction kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 07/17] perf machine: Factor out lbr_callchain_add_kernel_ip() kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 08/17] perf machine: Factor out lbr_callchain_add_lbr_ip() kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 09/17] perf thread: Add a knob for LBR stitch approach kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 10/17] perf tools: Save previous sample for LBR stitching approach kan.liang
2020-04-17 15:02   ` Arnaldo Carvalho de Melo
2020-04-22 12:17   ` [tip: perf/core] perf thread: " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 11/17] perf tools: Save previous cursor nodes " kan.liang
2020-04-17 16:53   ` Arnaldo Carvalho de Melo
2020-04-22 12:17   ` [tip: perf/core] perf callchain: " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 12/17] perf tools: Stitch LBR call stack kan.liang
2020-04-22 12:17   ` [tip: perf/core] perf callchain: " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 13/17] perf report: Add option to enable the LBR stitching approach kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 14/17] perf script: " kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 15/17] perf top: " kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 16/17] perf c2c: " kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-19 20:25 ` [PATCH V4 17/17] perf hist: Add fast path for duplicate entries check kan.liang
2020-04-22 12:17   ` [tip: perf/core] " tip-bot2 for Kan Liang
2020-03-23 11:13 ` [PATCH V4 00/17] Stitch LBR call stack (Perf Tools) Jiri Olsa
2020-04-02 15:34   ` Liang, Kan
2020-04-02 16:00     ` Arnaldo Carvalho de Melo
2020-04-02 17:02       ` Liang, Kan
2020-04-17 17:48 ` Arnaldo Carvalho de Melo
2020-04-17 21:47   ` Liang, Kan
2020-04-17 21:54     ` Arnaldo Carvalho de Melo
2020-04-17 21:55       ` Arnaldo Carvalho de Melo
2020-04-17 21:55         ` Arnaldo Carvalho de Melo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200417144242.GB17973@kernel.org \
    --to=arnaldo.melo@gmail.com \
    --cc=adrian.hunter@intel.com \
    --cc=ak@linux.intel.com \
    --cc=alexey.budankov@linux.intel.com \
    --cc=eranian@google.com \
    --cc=jolsa@redhat.com \
    --cc=kan.liang@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mathieu.poirier@linaro.org \
    --cc=mingo@redhat.com \
    --cc=mpe@ellerman.id.au \
    --cc=namhyung@kernel.org \
    --cc=pavel.gerasimov@intel.com \
    --cc=peterz@infradead.org \
    --cc=ravi.bangoria@linux.ibm.com \
    --cc=vitaly.slobodskoy@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).