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[PATCH] Fix idle time field in /proc/uptime

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Git commit 79741dd changes idle cputime accounting, but unfortunately
the /proc/uptime file hasn't caught up.  Here the idle time calculation
from /proc/stat is copied over.

Signed-off-by: Michael Abbott <michael.abbott@diamond.ac.uk>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Michael Abbott 2009-09-24 10:15:19 +02:00 committed by Martin Schwidefsky
parent 94a8d5caba
commit 96830a57de
1 changed files with 6 additions and 1 deletions
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7
fs/proc/uptime.c
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@ -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);