nmi_watchdog: Tell the world we're active

Because I was wondering why perf stat wasn't working as expected.. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Don Zickus <dzickus@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Mar 2, 2010 · 5671a10 · 5671a10
1 parent c99c30f
commit 5671a10
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/kernel/nmi_watchdog.c b/kernel/nmi_watchdog.c
@@ -244,6 +244,8 @@ static int __init spawn_nmi_watchdog_task(void)
 	if (nonmi_watchdog)
 		return 0;
 
+	printk(KERN_INFO "NMI watchdog enabled, takes one hw-pmu counter.\n");
+
 	err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu);
 	if (err == NOTIFY_BAD) {
 		BUG();