Merge branch 'cputime' of git://git390.marist.edu/pub/scm/linux-2.6

* 'cputime' of git://git390.marist.edu/pub/scm/linux-2.6: [PATCH] Fix idle time field in /proc/uptime
mariux64 · Sep 24, 2009 · 7ca263c · 7ca263c
2 parents a6b49cb + 96830a5
commit 7ca263c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c
@@ -4,13 +4,18 @@
 #include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/time.h>
+#include <linux/kernel_stat.h>
 #include <asm/cputime.h>
 
 static int uptime_proc_show(struct seq_file *m, void *v)
 {
 	struct timespec uptime;
 	struct timespec idle;
-	cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
+	int i;
+	cputime_t idletime = cputime_zero;
+
+	for_each_possible_cpu(i)
+		idletime = cputime64_add(idletime, kstat_cpu(i).cpustat.idle);
 
 	do_posix_clock_monotonic_gettime(&uptime);
 	monotonic_to_bootbased(&uptime);