From af5c563efd3c5b8298ffd3d9da91e220a4151ebe Mon Sep 17 00:00:00 2001
From: Viresh Kumar <viresh.kumar@linaro.org>
Date: Fri, 16 Jan 2015 11:59:49 +0530
Subject: cpufreq tests

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 cpufreq.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 runme.sh   | 10 +++++++++-
 2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/cpufreq.sh b/cpufreq.sh
index a608d6f..9624b69 100755
--- a/cpufreq.sh
+++ b/cpufreq.sh
@@ -248,3 +248,45 @@ cpufreq_basic_tests()
 	# Test all frequencies
 	shuffle_frequency_for_all_cpus 2
 }
+
+# Suspend/resume
+# $1: "suspend" or "hibernate", $2: loop count
+do_suspend()
+{
+	echo "** Test: Running ${FUNCNAME[0]}: Trying $1 for $2 loops **"
+	echo ""
+
+	# Is the directory available
+	if [ ! -d /sys/power/ -o ! -f /sys/power/state ]; then
+		echo "/sys/power/state not available"
+		return 1
+	fi
+
+	if [ $1 = "suspend" ]; then
+		filename="mem"
+	elif [ $1 = "hibernate" ]; then
+		filename="disk"
+	fi
+
+	if [ -n $filename ]; then
+		present=$(cat /sys/power/state | grep $filename)
+
+		if [ -z "$present" ]; then
+			echo "Tried to $1 but $filename isn't present in /sys/power/state"
+			return 1;
+		else
+			for i in `seq 1 $2`; do
+				echo "Starting $1"
+				echo $filename > /sys/power/state
+				echo "Came out of $1"
+
+				echo "Do basic tests after finishing $1 to verify cpufreq state"
+				echo ""
+				cpufreq_basic_tests
+			done
+		fi
+	fi
+
+	echo "------------------------------------------------"
+	echo ""
+}
diff --git a/runme.sh b/runme.sh
index 66f8ad0..bc1f598 100755
--- a/runme.sh
+++ b/runme.sh
@@ -11,7 +11,7 @@ source special-tests.sh
 FUNC=basic	# do basic tests by default
 
 # Check validity of arguments
-USAGE="Usage: $0 [-h] [-odgf args]\n\t[-h <help>]\n\t[-o <output-file-for-dump>]\n\t[-d <driver's module name: only with -f=modtest>] \n\t[-g <governor's module name: only with -f=modtest>] \n\t[-f <basic: cpufreq_basic_tests, sp1: governor_race, sp2: simple_lockdep, sp3: hotplug_with_updates, modtest: driver as module>]\n"
+USAGE="Usage: $0 [-h] [-odgf args]\n\t[-h <help>]\n\t[-o <output-file-for-dump>]\n\t[-d <driver's module name: only with -f=modtest>] \n\t[-g <governor's module name: only with -f=modtest>] \n\t[-f <basic: cpufreq_basic_tests, suspend, hibernate, sp1: governor_race, sp2: simple_lockdep, sp3: hotplug_with_updates, modtest: driver as module>]\n"
 
 # Parse arguments
 parse_arguments()
@@ -64,6 +64,14 @@ __run_func()
 		cpufreq_basic_tests
 		;;
 
+		"suspend")
+		do_suspend "suspend" 2
+		;;
+
+		"hibernate")
+		do_suspend "hibernate" 2
+		;;
+
 		"modtest")
 		# Do we have modules in place?
 		if [ -z $DRIVER_MOD ] && [ -z $GOVERNOR_MOD ]; then
-- 
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