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authorAnton Blanchard <anton@samba.org>2007-10-07 00:24:31 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-10 10:50:16 -0700
commitceda57cf82ec93444e7d86755e6d43ab11c1b50d (patch)
parent433d028c427f90a2ab38b6eab752e19cd1ac9981 (diff)
Fix timer_stats printout of events/sec
commit 74922be1485818ed368c4cf4f0b100f70bf01e08 upstream. When using /proc/timer_stats on ppc64 I noticed the events/sec field wasnt accurate. Sometimes the integer part was incorrect due to rounding (we werent taking the fractional seconds into consideration). The fraction part is also wrong, we need to pad the printf statement and take the bottom three digits of 1000 times the value. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
index 7bb561d0f570..5717cfb9b080 100644
--- a/kernel/time/timer_stats.c
+++ b/kernel/time/timer_stats.c
@@ -319,8 +319,9 @@ static int tstats_show(struct seq_file *m, void *v)
ms = 1;
if (events && period.tv_sec)
- seq_printf(m, "%ld total events, %ld.%ld events/sec\n", events,
- events / period.tv_sec, events * 1000 / ms);
+ seq_printf(m, "%ld total events, %ld.%03ld events/sec\n",
+ events, events * 1000 / ms,
+ (events * 1000000 / ms) % 1000);
seq_printf(m, "%ld total events\n", events);