Subject: Re: [RFC PATCH] perf report: add sort by file lines
From: Lin Ming <ming.m.lin@intel.com>
To: Peter Zijlstra <peterz@infradead.org>
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>
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Date: Fri, 01 Apr 2011 21:02:14 +0800
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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?

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