linux-kernel - [tip:tracing/core] tracing: Enable "_

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Message-ID: <tip-4d8289494a37e19cd7f3beacea9c957ad3debad6@git.kernel.org>
Date:	Wed, 14 Oct 2009 06:59:27 GMT
From:	tip-bot for Jiri Olsa <jolsa@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	jolsa@...hat.com, fweisbec@...il.com, rostedt@...dmis.org,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:tracing/core] tracing: Enable "__cold" functions

Commit-ID:  4d8289494a37e19cd7f3beacea9c957ad3debad6
Gitweb:     http://git.kernel.org/tip/4d8289494a37e19cd7f3beacea9c957ad3debad6
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Tue, 13 Oct 2009 16:33:54 -0400
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 14 Oct 2009 08:13:54 +0200

tracing: Enable "__cold" functions

Based on the commit:

  a586df06 "x86: Support __attribute__((__cold__)) in gcc 4.3"

some of the functions goes to the ".text.unlikely" section.

Looks like there's not many of them (I found printk, panic,
__ssb_dma_not_implemented, fat_fs_error), but still worth to
include I think.

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
LKML-Reference: <20091013203426.175845614@...dmis.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 scripts/recordmcount.pl |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 090d300..bfb8b2c 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -119,6 +119,7 @@ my %text_sections = (
      ".sched.text" => 1,
      ".spinlock.text" => 1,
      ".irqentry.text" => 1,
+     ".text.unlikely" => 1,
 );
 
 $objdump = "objdump" if ((length $objdump) == 0);
--
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