linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jiri Olsa <jolsa@redhat.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>,
	a.p.zijlstra@chello.nl, paulus@samba.org, acme@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3] perf tools: Clarify the output of perf sched map.
Date: Tue, 6 May 2014 14:44:27 +0200	[thread overview]
Message-ID: <20140506124427.GC1079@krava.brq.redhat.com> (raw)
In-Reply-To: <20140506072304.GA25402@gmail.com>

On Tue, May 06, 2014 at 09:23:04AM +0200, Ingo Molnar wrote:
> 
> * Dongsheng Yang <yangds.fnst@cn.fujitsu.com> wrote:
> 
> > From: Dongsheng <yangds.fnst@cn.fujitsu.com>
> > 
> > In output of perf sched map, any shortname of thread will be explained
> > at the first time when it appear.
> > 
> > Example:
> >               *A0       228836.978985 secs A0 => perf:23032
> >           *.   A0       228836.979016 secs B0 => swapper:0
> >            .  *C0       228836.979099 secs C0 => migration/3:22
> >   *A0      .   C0       228836.979115 secs
> >    A0      .  *.        228836.979115 secs
> > 
> > But B0, which is explained as swapper:0 did not appear in the
> > left part of output. Instead, we use '.' as the shortname of
> > swapper:0. So the comment of "B0 => swapper:0" is not easy to
> > understand.
> > 
> > This patch clarify the output of perf sched map with not allocating
> > one letter-number shortname for swapper:0 and print ". => swapper:0"
> > as the explaination for swapper:0.
> > 
> > Example:
> >               *A0       228836.978985 secs A0 => perf:23032
> >           * .  A0       228836.979016 secs .  => swapper:0
> >             . *B0       228836.979099 secs B0 => migration/3:22
> >   *A0       .  B0       228836.979115 secs
> >    A0       . * .       228836.979115 secs
> >    A0     *C0   .       228836.979225 secs C0 => ksoftirqd/2:18
> >    A0     *D0   .       228836.979236 secs D0 => rcu_sched:7
> > 
> > Signed-off-by: Dongsheng <yangds.fnst@cn.fujitsu.com>
> > Acked-by: Ingo Molnar <mingo@kernel.org>
> 
> Looks good to me, thanks!

thanks, I'll queue this patchset

jirka

  reply	other threads:[~2014-05-06 12:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-05  7:05 [PATCH 0/3] perf tools: Patchset for perf sched Dongsheng Yang
2014-05-05  7:05 ` [PATCH 1/3] perf tools: add missing event for perf sched record Dongsheng Yang
2014-05-12 16:00   ` [tip:perf/core] perf tools: Add " tip-bot for Dongsheng
2014-05-05  7:05 ` [PATCH 2/3] perf tools: Adapt the TASK_STATE_TO_CHAR_STR to new value in kernel space Dongsheng Yang
2014-05-12 16:00   ` [tip:perf/core] " tip-bot for Dongsheng
2014-05-05  7:05 ` [PATCH 3/3] perf tools: Clarify the output of perf sched map Dongsheng Yang
2014-05-05 18:24   ` Jiri Olsa
2014-05-05 18:27     ` David Ahern
2014-05-05 18:37   ` Ingo Molnar
2014-05-06  0:40     ` [PATCH V2] " Dongsheng Yang
2014-05-06  6:23       ` Ingo Molnar
2014-05-06  5:27         ` Dongsheng Yang
2014-05-06  5:39         ` [PATCH V3] " Dongsheng Yang
2014-05-06  7:23           ` Ingo Molnar
2014-05-06 12:44             ` Jiri Olsa [this message]
2014-05-12 16:01           ` [tip:perf/core] " tip-bot for Dongsheng
2014-05-05 18:25 ` [PATCH 0/3] perf tools: Patchset for perf sched Jiri Olsa

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=20140506124427.GC1079@krava.brq.redhat.com \
    --to=jolsa@redhat.com \
    --cc=a.p.zijlstra@chello.nl \
    --cc=acme@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=paulus@samba.org \
    --cc=yangds.fnst@cn.fujitsu.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).