public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Frederic Weisbecker <fweisbec@gmail.com>
To: John Kacur <jkacur@redhat.com>
Cc: mingo@elte.hu, Peter Zijlstra <a.p.zijlstra@chello.nl>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: Re: [PATCH] Put common histogram functions for perf in their own file
Date: Tue, 29 Sep 2009 10:06:57 +0200	[thread overview]
Message-ID: <20090929080654.GC5233@nowhere> (raw)
In-Reply-To: <alpine.LFD.2.00.0909281652001.10299@localhost.localdomain>

On Mon, Sep 28, 2009 at 05:04:07PM +0200, John Kacur wrote:
> perf annotate still will not sort the entries with these changes.
> because callchain will be equal to zero.



The sorting does not only applies to callchains but also on
histogram entries.


 
> Calling output__resort(total) will be harmless because the calculation
> will be thrown away in output__insert_entry() here:
> if (callchain)
> 		callchain_param.sort(&he->sorted_chain, &he->callchain,
> 				      min_callchain_hits, &callchain_param);



Hmm, but the histogram entries will still be sorted, I might be wrong
but it doesn't seem to be needed.

That said it's not something introduced by your patch, it was
already there, but I guess it would be a nice separate cleanup patch.


> From 7c6a2035c32d17db0e566a36c7e345ec2182f722 Mon Sep 17 00:00:00 2001
> From: John Kacur <jkacur@redhat.com>
> Date: Mon, 28 Sep 2009 14:53:08 +0200
> Subject: [PATCH] Put common histogram functions for perf in their own file
> 
> Move histogram related functions into their own files (hist.c and hist.h)
> and make use of them in builtin-annotate.c and builtin-report.c
> 
> Signed-off-by: John Kacur <jkacur@redhat.com>


Acked-by: Frederic Weisbecker <fweisbec@gmail.com>

Thanks!


      reply	other threads:[~2009-09-29  8:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-28 13:05 [PATCH] Put common histogram functions for perf in their own file John Kacur
2009-09-28 13:32 ` John Kacur
2009-09-30 12:13   ` [tip:perf/core] perf tools: Put common histogram functions " tip-bot for John Kacur
2009-09-28 14:02 ` [PATCH] Put common histogram functions for perf " Frederic Weisbecker
2009-09-28 15:04   ` John Kacur
2009-09-29  8:06     ` Frederic Weisbecker [this message]

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=20090929080654.GC5233@nowhere \
    --to=fweisbec@gmail.com \
    --cc=a.p.zijlstra@chello.nl \
    --cc=jkacur@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=mingo@elte.hu \
    /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