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authorIngo Molnar <mingo@elte.hu>2009-10-06 15:02:30 +0200
committerIngo Molnar <mingo@elte.hu>2009-10-06 15:02:34 +0200
commitd9b2002c406011164f245de7a81304625989f1c9 (patch)
treea2bb74773cd1409acbec5eb2fbba2ae9889d55e8 /fs/proc/uptime.c
parentc3b32fcbc7f4fd9a9b84718b991b175b0fd53f8c (diff)
parent906010b2134e14a2e377decbadd357b3d0ab9c6a (diff)
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Merge branch 'perf/urgent' into perf/core
Merge reason: Upcoming patch is dependent on a fix in perf/urgent. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/proc/uptime.c')
-rw-r--r--fs/proc/uptime.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c
index 0c10a0b3f146..766b1d456050 100644
--- 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);