On Wed, 2005-10-26 at 21:07 -0400, Steven Rostedt wrote:
> Index: linux-2.6.14-rc5-rt7/kernel/time/timeofday.c
> ===================================================================
> --- linux-2.6.14-rc5-rt7.orig/kernel/time/timeofday.c 2005-10-26 16:57:03.000000000 -0400
> +++ linux-2.6.14-rc5-rt7/kernel/time/timeofday.c 2005-10-26 21:03:22.000000000 -0400
> @@ -243,8 +243,8 @@
>
> ns_to_timespec(ts, mc);
>
> - now = timespec_to_ktime(*ts);
> prev = per_cpu(prev_mono_time, cpu);
> + now = timespec_to_ktime(*ts);
>
> prev_st = per_cpu(prev_system_time, cpu);
> curr_st = system_time;
>
Silly me! I was thinking the "now = timespec_to_ktime(*ts)" was where
the time was taken.
Try this patch instead!
-- Steve
Index: linux-2.6.14-rc5-rt7/kernel/time/timeofday.c
===================================================================
--- linux-2.6.14-rc5-rt7.orig/kernel/time/timeofday.c 2005-10-26 16:57:03.000000000 -0400
+++ linux-2.6.14-rc5-rt7/kernel/time/timeofday.c 2005-10-26 21:23:05.000000000 -0400
@@ -233,6 +233,9 @@
ktime_t prev, now;
nsec_t mc, prev_st, curr_st;
+ prev = per_cpu(prev_mono_time, cpu);
+ prev_st = per_cpu(prev_system_time, cpu);
+
/* atomically read __get_monotonic_clock_ns() */
do {
seq = read_seqbegin(&system_time_lock);
@@ -242,11 +245,7 @@
} while (read_seqretry(&system_time_lock, seq));
ns_to_timespec(ts, mc);
-
now = timespec_to_ktime(*ts);
- prev = per_cpu(prev_mono_time, cpu);
-
- prev_st = per_cpu(prev_system_time, cpu);
curr_st = system_time;
if (ktime_cmp(now, <, prev)) {
-
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