On 07/19/2017 06:38 PM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Regardless of whether or not debug messages from the core system
suspend/hibernation code are enabled, it is useful to know when
system-wide transitions start and finish (or fail), so print "info"
messages at these points.
Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
---
-> v2: Smiplified the messages as suggested by Mark.
---
kernel/power/hibernate.c | 5 +++++
kernel/power/suspend.c | 2 ++
2 files changed, 7 insertions(+)
Index: linux-pm/kernel/power/hibernate.c
===================================================================
--- linux-pm.orig/kernel/power/hibernate.c
+++ linux-pm/kernel/power/hibernate.c
@@ -692,6 +692,7 @@ int hibernate(void)
goto Unlock;
}
+ pr_info("hibernation entry\n");
nit (minor): Many of the logs report a PM: prefix. Flipping coin that
the 3 characters provides any real gain is in your hands. My WAG is it
would be nice to be able to do dmesg | grep PM:
Ack
