From: Vegard Nossum <vegard.nossum@gmail.com>
Date: Wed, 25 Jun 2008 06:50:10 +0000 (+0200)
Subject: softlockup: show irqtrace
X-Git-Tag: v2.6.27-rc1~849^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8d5be7f4e8515af461cbc8f07687ccc81507d508;p=profile%2Fivi%2Fkernel-x86-ivi.git

softlockup: show irqtrace

This patch adds some information about when interrupts were last
enabled and disabled to the output of the softlockup detector.

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Johannes Weiner <hannes@saeurebad.de>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index f2bf5de..97977ec 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -13,6 +13,7 @@
 #include <linux/delay.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
+#include <linux/lockdep.h>
 #include <linux/notifier.h>
 #include <linux/module.h>
 
@@ -144,6 +145,7 @@ void softlockup_tick(void)
 			this_cpu, now - touch_timestamp,
 			current->comm, task_pid_nr(current));
 	print_modules();
+	print_irqtrace_events(current);
 	if (regs)
 		show_regs(regs);
 	else