From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 8 May 2007 07:28:26 +0000 (-0700)
Subject: enhance initcall_debug, measure latency
X-Git-Tag: v2.6.22-rc1~693
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f0c45cdf87dc9141e87b0ad2fc6fff216a95f79;p=pandora-kernel.git

enhance initcall_debug, measure latency

enhance the initcall_debug boot option:

 - measure the time the initcall took to execute and report
   it in units of milliseconds.

 - show the return code of initcalls (useful to see failures and
   to make sure that an initcall hung)

[akpm@linux-foundation.org: fix printk warning]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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