From 36a8fef8a8b749d8e9cc28e3718c9964045fcb12 Mon Sep 17 00:00:00 2001
From: rwatson <rwatson@FreeBSD.org>
Date: Fri, 6 Aug 2004 21:49:00 +0000
Subject: Cut a KTR record whenever a callout is invoked.  Mark whether it runs
 with Giant or not, and include the function point so it can be looked up
 against the kernel symbol table during trace analysis.

---
 sys/kern/kern_timeout.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys/kern')

diff --git a/sys/kern/kern_timeout.c b/sys/kern/kern_timeout.c
index eac675b..a516a7d 100644
--- a/sys/kern/kern_timeout.c
+++ b/sys/kern/kern_timeout.c
@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/callout.h>
 #include <sys/condvar.h>
 #include <sys/kernel.h>
+#include <sys/ktr.h>
 #include <sys/lock.h>
 #include <sys/mutex.h>
 #include <sys/sysctl.h>
@@ -245,8 +246,11 @@ softclock(void *dummy)
 				if (!(c_flags & CALLOUT_MPSAFE)) {
 					mtx_lock(&Giant);
 					gcalls++;
+					CTR1(KTR_CALLOUT, "callout %p", c_func);
 				} else {
 					mpcalls++;
+					CTR1(KTR_CALLOUT, "callout mpsafe %p",
+					    c_func);
 				}
 #ifdef DIAGNOSTIC
 				binuptime(&bt1);
-- 
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