[PATCH v2] timekeeping: Prints the amounts of time spent during suspend

[PATCH v2] timekeeping: Prints the amounts of time spent during suspend

[Ruchi Kandoi]

This helps to keep track of real time while debugging using kernel logs.

Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
---
Changelog since v1:
- removed cross platform warnings.

 kernel/time/timekeeping_debug.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/time/timekeeping_debug.c b/kernel/time/timekeeping_debug.c
index f6bd652..7fdb34f 100644
--- a/kernel/time/timekeeping_debug.c
+++ b/kernel/time/timekeeping_debug.c
@@ -70,5 +70,7 @@ late_initcall(tk_debug_sleep_time_init);
 void tk_debug_account_sleep_time(struct timespec64 *t)
 {
 	sleep_time_bin[fls(t->tv_sec)]++;
+	pr_info("Suspended for %lld.%03lu seconds\n", (s64)t->tv_sec,
+			t->tv_nsec / NSEC_PER_MSEC);
 }
 
-- 
2.8.0.rc3.226.g39d4020

Re: [PATCH v2] timekeeping: Prints the amounts of time spent during suspend

[John Stultz]

On Thu, Aug 11, 2016 at 2:35 PM, Ruchi Kandoi <kandoiruchi@google.com> wrote:
> This helps to keep track of real time while debugging using kernel logs.
>
> Cc: John Stultz <john.stultz@linaro.org>
> Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
> ---
> Changelog since v1:
> - removed cross platform warnings.

Queued for testing, targeting 4.9.

thanks
-john