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authorThomas Gleixner <tglx@linutronix.de>2009-05-02 20:08:52 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-15 15:32:45 +0200
commit2d02494f5a90f2e4b3c4c6acc85ec94674cdc431 (patch)
tree8032438de5b55282976583b111d02d9379ff3966 /fs/proc/loadavg.c
parentdce48a84adf1806676319f6f480e30a6daa012f9 (diff)
sched, timers: cleanup avenrun users
avenrun is an rough estimate so we don't have to worry about consistency of the three avenrun values. Remove the xtime lock dependency and provide a function to scale the values. Cleanup the users. [ Impact: cleanup ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'fs/proc/loadavg.c')
-rw-r--r--fs/proc/loadavg.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c
index 9bca39cf99ee..1afa4dd4cae2 100644
--- a/fs/proc/loadavg.c
+++ b/fs/proc/loadavg.c
@@ -12,20 +12,14 @@
static int loadavg_proc_show(struct seq_file *m, void *v)
{
- int a, b, c;
- unsigned long seq;
+ unsigned long avnrun[3];
- do {
- seq = read_seqbegin(&xtime_lock);
- a = avenrun[0] + (FIXED_1/200);
- b = avenrun[1] + (FIXED_1/200);
- c = avenrun[2] + (FIXED_1/200);
- } while (read_seqretry(&xtime_lock, seq));
+ get_avenrun(avnrun, FIXED_1/200, 0);
- seq_printf(m, "%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
- LOAD_INT(a), LOAD_FRAC(a),
- LOAD_INT(b), LOAD_FRAC(b),
- LOAD_INT(c), LOAD_FRAC(c),
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
nr_running(), nr_threads,
task_active_pid_ns(current)->last_pid);
return 0;

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