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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
Linus Torvalds 15 years ago
parent
commit
7ca263cdf8
1 changed files with 6 additions and 1 deletions
  1. 6 1
      fs/proc/uptime.c

+ 6 - 1
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);