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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Taeung Song <treeze.taeung@gmail.com>
Cc: linux-kernel@vger.kernel.org, Namhyung Kim <namhyung@kernel.org>,
	Milian Wolff <milian.wolff@kdab.com>,
	Jiri Olsa <jolsa@redhat.com>
Subject: Re: [PATCH v3 3/9] perf annotate: Fix wrong --show-total-period option showing number of samples
Date: Fri, 21 Jul 2017 08:24:20 -0300	[thread overview]
Message-ID: <20170721112420.GE4134@kernel.org> (raw)
In-Reply-To: <51c3c55a-d43d-427f-53fb-56b3ab275dd9@gmail.com>

Em Fri, Jul 21, 2017 at 06:41:29PM +0900, Taeung Song escreveu:
> On 07/21/2017 04:19 AM, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Jul 20, 2017 at 06:36:55AM +0900, Taeung Song escreveu:
> > > Currently the --show-total-period option of perf-annotate
> > > is different from perf-report's.

> > > For example, perf-report ordinarily shows period and number of samples.

> > >   # Overhead       Samples        Period  Command  Shared Object   Symbol
> > >        9.83%           102      84813704  test     test            [.] knapsack

> > But this is not what this patch does, it is still doing too many things,
> > it should first add sample to those function signatures, leaving the
> > "meat" to a followup patch, where we will not be distracted with
> > infrastructure needed to do what you describe in the changelog.

> > I'm doing it here this time, please look at the result, later.
 
> ok, I'm waiting for it.
> And if you give me some sketchy code, that's fine.
> If you do, I'll remake this patch based on the result. :)

Take a look at the acme/tmp_perf/core, that is where I got yesterday.

- Arnaldo

  reply	other threads:[~2017-07-21 11:24 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-19 21:36 [PATCH v3 3/9] perf annotate: Fix wrong --show-total-period option showing number of samples Taeung Song
2017-07-20 19:19 ` Arnaldo Carvalho de Melo
2017-07-21  9:41   ` Taeung Song
2017-07-21 11:24     ` Arnaldo Carvalho de Melo [this message]
2017-07-24  1:51       ` Taeung Song
2017-07-24 17:37         ` Arnaldo Carvalho de Melo
2017-07-24 21:28           ` Taeung Song
2017-07-25 14:42             ` Arnaldo Carvalho de Melo
2017-07-25 15:53               ` Taeung Song
2017-07-25 16:17                 ` Arnaldo Carvalho de Melo
2017-07-26 11:57                   ` Taeung Song
2017-07-26 20:17                     ` Arnaldo Carvalho de Melo
2017-07-27 15:14                       ` Taeung Song
2017-07-26 17:27             ` [tip:perf/core] perf annotate stdio: Fix column header when using --show-total-period tip-bot for Taeung Song
2017-07-21 14:47 ` [PATCH v3 3/9] perf annotate: Fix wrong --show-total-period option showing number of samples Arnaldo Carvalho de Melo
2017-07-22 22:46   ` Namhyung Kim
2017-07-23 15:46     ` Andi Kleen
2017-07-24 17:34       ` Arnaldo Carvalho de Melo
2017-07-24 17:46         ` Andi Kleen
2017-07-24 18:07           ` Arnaldo Carvalho de Melo
2017-07-26 17:20 ` [tip:perf/core] perf hists: Pass perf_sample to __symbol__inc_addr_samples() tip-bot for Taeung Song
2017-07-26 17:20 ` [tip:perf/core] perf annotate: Store the sample period in each histogram bucket tip-bot for Taeung Song
2017-07-26 17:20 ` [tip:perf/core] perf annotate: Do not overwrite sample->period tip-bot for Taeung Song

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