From: Ruchi Kandoi <kandoiruchi@google.com>
To: John Stultz <john.stultz@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
Ruchi Kandoi <kandoiruchi@google.com>,
Dimitry Shmidt <dimitrysh@google.com>
Subject: [PATCH] timekeeping: Prints the amounts of time spent during suspend
Date: Thu, 11 Aug 2016 12:40:41 -0700 [thread overview]
Message-ID: <1470944441-2672-1-git-send-email-kandoiruchi@google.com> (raw)
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>
---
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
next reply other threads:[~2016-08-11 19:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-11 19:40 Ruchi Kandoi [this message]
2016-08-11 20:05 ` [PATCH] timekeeping: Prints the amounts of time spent during suspend kbuild test robot
2016-08-11 21:38 ` kbuild test robot
2016-08-12 3:07 ` kbuild test robot
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