From: Arnaldo Carvalho de Melo <acme@infradead.org>
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Lin Ming <ming.m.lin@intel.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
"2nddept-manager@sdl.hitachi.co.jp"
<2nddept-manager@sdl.hitachi.co.jp>
Subject: Re: [RFC PATCH] perf report: add sort by file lines
Date: Tue, 29 Mar 2011 23:18:54 -0300 [thread overview]
Message-ID: <20110330021854.GD20824@ghostprotocols.net> (raw)
In-Reply-To: <4D92818A.8020405@hitachi.com>
Em Wed, Mar 30, 2011 at 10:04:10AM +0900, Masami Hiramatsu escreveu:
> So that what we need is a kind of the reverse compiler which generates
> intermediate code (a sequence of register assignments) from
> instruction code. That's not impossible task, but just hard and fun. :)
> For that purpose, we'll need an instruction decoder and an evaluator
> which allows us to trace the sequence of address dereferences.
>
> Anyway, I'd recommend that we should start with just showing
> the corresponding "source line" of the address. It may be
> enough for some cases.
Right, but being able to map events to structure fields is an interestig
goal, data annotation instead of code annotation, and if it is fun and
hard, even better! :-)
- Arnaldo
next prev parent reply other threads:[~2011-03-30 2:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-29 9:32 [RFC PATCH] perf report: add sort by file lines Lin Ming
2011-03-29 9:46 ` Masami Hiramatsu
2011-03-29 9:54 ` Peter Zijlstra
2011-03-29 16:45 ` Lin Ming
2011-03-29 17:03 ` Peter Zijlstra
2011-03-29 17:06 ` Peter Zijlstra
2011-03-29 17:08 ` Peter Zijlstra
2011-03-29 17:45 ` Arnaldo Carvalho de Melo
2011-03-30 1:04 ` Masami Hiramatsu
2011-03-30 2:18 ` Arnaldo Carvalho de Melo [this message]
2011-03-31 6:57 ` Lin Ming
2011-04-01 10:48 ` Masami Hiramatsu
2011-03-31 8:45 ` Lin Ming
2011-03-31 13:46 ` Arnaldo Carvalho de Melo
2011-03-31 14:19 ` Lin Ming
2011-03-31 15:35 ` Arnaldo Carvalho de Melo
2011-03-31 14:01 ` Peter Zijlstra
2011-03-31 14:34 ` Lin Ming
2011-03-31 14:51 ` Lin Ming
2011-03-31 16:28 ` Peter Zijlstra
2011-03-31 16:32 ` Peter Zijlstra
2011-04-01 13:02 ` Lin Ming
2011-04-01 13:48 ` Peter Zijlstra
2011-04-01 10:44 ` Masami Hiramatsu
2011-04-01 11:05 ` Peter Zijlstra
2011-04-01 13:22 ` Lin Ming
2011-04-01 13:49 ` Peter Zijlstra
2011-04-01 13:57 ` Lin Ming
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