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Commit b03eaf8d authored by Viresh Kumar's avatar Viresh Kumar Committed by Shuah Khan
Browse files

selftest: cpufreq: Add suspend/resume/hibernate support 



This patch adds support to test basic suspend/resume and hibernation to
the cpufreq selftests.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarShuah Khan <shuahkh@osg.samsung.com>
parent e66d5b67

tools/testing/selftests/cpufreq/cpufreq.sh

+40 −0
Original line number Diff line number Diff line
@@ -199,3 +199,43 @@ cpufreq_basic_tests() 
	# Test all governors

	shuffle_governors_for_all_cpus 1

}



# Suspend/resume

# $1: "suspend" or "hibernate", $2: loop count

do_suspend()

{

	printf "** Test: Running ${FUNCNAME[0]}: Trying $1 for $2 loops **\n\n"



	# Is the directory available

	if [ ! -d $SYSFS/power/ -o ! -f $SYSFS/power/state ]; then

		printf "$SYSFS/power/state not available\n"

		return 1

	fi



	if [ $1 = "suspend" ]; then

		filename="mem"

	elif [ $1 = "hibernate" ]; then

		filename="disk"

	else

		printf "$1 is not a valid option\n"

		return 1

	fi



	if [ -n $filename ]; then

		present=$(cat $SYSFS/power/state | grep $filename)



		if [ -z "$present" ]; then

			printf "Tried to $1 but $filename isn't present in $SYSFS/power/state\n"

			return 1;

		fi



		for i in `seq 1 $2`; do

			printf "Starting $1\n"

			echo $filename > $SYSFS/power/state

			printf "Came out of $1\n"



			printf "Do basic tests after finishing $1 to verify cpufreq state\n\n"

			cpufreq_basic_tests

		done

	fi

}

tools/testing/selftests/cpufreq/main.sh

+12 −2
Original line number Diff line number Diff line
@@ -15,7 +15,9 @@ helpme() 
	printf "Usage: $0 [-h] [-to args]

	[-h <help>]

	[-o <output-file-for-dump>]

	[-t <basic: Basic cpufreq testing>]

	[-t <basic: Basic cpufreq testing

	     suspend: suspend/resume,

	     hibernate: hibernate/resume>]

	\n"

	exit 2

}
@@ -61,7 +63,7 @@ parse_arguments() 
				helpme

				;;



			t) # --func_type (Function to perform: basic (default: basic))

			t) # --func_type (Function to perform: basic, suspend, hibernate (default: basic))

				FUNC=$OPTARG

				;;
@@ -91,6 +93,14 @@ do_test() 
		cpufreq_basic_tests

		;;



		"suspend")

		do_suspend "suspend" 1

		;;



		"hibernate")

		do_suspend "hibernate" 1

		;;



		*)

		echo "Invalid [-f] function type"

		helpme