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

From: Ruchi Kandoi
Date: Thu Aug 11 2016 - 15:40:59 EST


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

Cc: John Stultz <john.stultz@xxxxxxxxxx>
Signed-off-by: Ruchi Kandoi <kandoiruchi@xxxxxxxxxx>
---
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..b67abe8 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 %lu.%03lu seconds\n", t->tv_sec,
+ t->tv_nsec / NSEC_PER_MSEC);
}

--
2.8.0.rc3.226.g39d4020