From: Peter Zijlstra <peterz@infradead.org>
To: Lin Ming <ming.m.lin@intel.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
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: Fri, 01 Apr 2011 15:48:14 +0200 [thread overview]
Message-ID: <1301665694.4859.675.camel@twins> (raw)
In-Reply-To: <1301662934.2399.2.camel@localhost>
On Fri, 2011-04-01 at 21:02 +0800, Lin Ming wrote:
> On Fri, 2011-04-01 at 00:32 +0800, Peter Zijlstra wrote:
> > On Thu, 2011-03-31 at 18:28 +0200, Peter Zijlstra wrote:
> > >
> > > You could even first build the basic block tree and only follow those
> > > branches that end up covering the region IP is in.
> >
> > s/tree/directed-graph/ clearly the basic blocks don't form a tree and
> > can contain cycles.
>
> There may be multiple different paths from the beginning of the function
> to the point we are interested in.
>
> Any idea how to handle this case?
Any one path should be sufficient I think, C doesn't really have dynamic
typing so whatever path leads you to where you need to be ought to be
type invariant.
next prev parent reply other threads:[~2011-04-01 13:48 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
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 [this message]
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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