All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>,
	Vince Weaver <vince@deater.net>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Jiri Olsa <jolsa@redhat.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf: mmap_page capabilities and docs
Date: Fri, 23 Mar 2012 09:47:12 +0100	[thread overview]
Message-ID: <20120323084712.GE2886@gmail.com> (raw)
In-Reply-To: <1332433596.2487.33.camel@twins>


* Peter Zijlstra <peterz@infradead.org> wrote:

> Usage:
> 
>   gcc -finstrument-functions -o my_prog main.c
>   LD_PRELOAD=profviz.so ./my_prog
> 
>   xdot prof.dot
> or
>   dot -Tsvg prof.svg prof.dot
> 
> The attached prof.svg it example output of:
> 
>   LD_PRELOAD=./profviz.so ./perf report

Nifty. Could we integrate this into 'perf profviz <myprog>' or 
so [feel free to use a better sub-tool name - 'perf selfprof' ?] 
and thus make it available to mere mortals as well?

'perf selfprof' could also warn about apps that were not built 
with -finstrument-functions.

Thanks,

	Ingo

  reply	other threads:[~2012-03-23  8:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-22 16:26 [PATCH] perf: mmap_page capabilities and docs Peter Zijlstra
2012-03-23  8:47 ` Ingo Molnar [this message]
2012-03-23 11:34 ` [tip:perf/urgent] perf: Fix " tip-bot for Peter Zijlstra

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=20120323084712.GE2886@gmail.com \
    --to=mingo@kernel.org \
    --cc=acme@infradead.org \
    --cc=eranian@google.com \
    --cc=jolsa@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=peterz@infradead.org \
    --cc=vince@deater.net \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.