From: Ravikiran G Thirumalai <kiran@scalex86.org>
Date: Wed, 17 Oct 2007 06:26:09 +0000 (-0700)
Subject: softlockup: add a /proc tuning parameter
X-Git-Tag: v2.6.24-rc1~771
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4f3b63fe15b4629aa1ec163c95ab30423d0f76a;p=pandora-kernel.git

softlockup: add a /proc tuning parameter

Control the trigger limit for softlockup warnings.  This is useful for
debugging softlockups, by lowering the softlockup_thresh to identify
possible softlockups earlier.

This patch:
1. Adds a sysctl softlockup_thresh with valid values of 1-60s
   (Higher value to disable false positives)
2. Changes the softlockup printk to print the cpu softlockup time

[akpm@linux-foundation.org: Fix various warnings and add definition of "two"]
Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Acked-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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