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authorJohn Stultz <john.stultz@linaro.org>2015-05-28 02:44:48 +0300
committerJohn Stultz <john.stultz@linaro.org>2015-08-17 21:23:31 +0300
commit38bf985b05625df3fbbc1dbf543bdd2da447c2af (patch)
tree18a07871caceba03e2b57c6e1c6aecba3e5a8a57 /kernel
parentd770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff)
downloadlinux-38bf985b05625df3fbbc1dbf543bdd2da447c2af.tar.xz
timer_list: Add the base offset so remaining nsecs are accurate for non monotonic timers
I noticed for non-monotonic timers in timer_list, some of the output looked a little confusing. For example: #1: <0000000000000000>, posix_timer_fn, S:01, hrtimer_start_range_ns, leap-a-day/2360 # expires at 1434412800000000000-1434412800000000000 nsecs [in 1434410725062375469 to 1434410725062375469 nsecs] You'll note the relative time till the expiration "[in xxx to yyy nsecs]" is incorrect. This is because its printing the delta between CLOCK_MONOTONIC time to the CLOCK_REALTIME expiration. This patch fixes this issue by adding the clock offset to the "now" time which we use to calculate the delta. Cc: Prarit Bhargava <prarit@redhat.com> Cc: Daniel Bristot de Oliveira <bristot@redhat.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Jan Kara <jack@suse.cz> Cc: Jiri Bohac <jbohac@suse.cz> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/time/timer_list.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index a4536e1e3e2a..129c96033e46 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -137,7 +137,7 @@ print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
(unsigned long long) ktime_to_ns(base->offset));
#endif
SEQ_printf(m, "active timers:\n");
- print_active_timers(m, base, now);
+ print_active_timers(m, base, now + ktime_to_ns(base->offset));
}
static void print_cpu(struct seq_file *m, int cpu, u64 now)