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Message-ID: <alpine.DEB.2.00.0906180000490.6890@gandalf.stny.rr.com>
Date: Thu, 18 Jun 2009 00:34:03 -0400 (EDT)
From: Steven Rostedt <rostedt@...dmis.org>
To: Jake Edge <jake@....net>
cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: problem with function_graph self-test?
On Wed, 17 Jun 2009, Jake Edge wrote:
> you don't run into this under your "normal" configs?
Doing some google research, I came across this:
http://www.mail-archive.com/gcc@gcc.gnu.org/msg33101.html
and
http://gcc.gnu.org/ml/gcc-patches/2008-06/msg00025.html
and if I disable OPTIMIZE_FOR_SIZE I get this:
00000420 <timer_stats_update_stats>:
420: 55 push %ebp
421: 89 e5 mov %esp,%ebp
423: 83 e4 e0 and $0xffffffe0,%esp
Which gives me the right results. Perhaps we need to make FUNCTION_GRAPH
depend on !OPTIMIZE_FOR_SIZE, or perhaps if it is only i386 then
depend on !(OPTIMIZE_FOR_SIZE && X86_32) :-/
-- Steve
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