---
 kernel/timer.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6.21-rc6/kernel/timer.c
===================================================================
--- linux-2.6.21-rc6.orig/kernel/timer.c	2007-04-13 23:11:03.000000000 -0700
+++ linux-2.6.21-rc6/kernel/timer.c	2007-04-13 23:17:14.000000000 -0700
@@ -36,6 +36,7 @@
 #include <linux/delay.h>
 #include <linux/tick.h>
 #include <linux/kallsyms.h>
+#include <linux/perf.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -1207,6 +1208,7 @@ void update_process_times(int user_tick)
 {
 	struct task_struct *p = current;
 	int cpu = smp_processor_id();
+	INIT_PC(pc, PC_UPDATE_PROCESS_TIMES);
 
 	/* Note: this timer irq context must be accounted for as well. */
 	if (user_tick)
@@ -1218,6 +1220,7 @@ void update_process_times(int user_tick)
 		rcu_check_callbacks(cpu, user_tick);
 	scheduler_tick();
  	run_posix_cpu_timers(p);
+	pc_stop(&pc);
 }
 
 /*