This patch adds support to test basic suspend/resume and hibernation to the cpufreq selftests.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- tools/testing/selftests/cpufreq/cpufreq.sh | 40 ++++++++++++++++++++++++++++++ tools/testing/selftests/cpufreq/main.sh | 14 +++++++++-- 2 files changed, 52 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/cpufreq/cpufreq.sh b/tools/testing/selftests/cpufreq/cpufreq.sh index 2b8b05aaa874..1ed3832030b4 100755 --- a/tools/testing/selftests/cpufreq/cpufreq.sh +++ b/tools/testing/selftests/cpufreq/cpufreq.sh @@ -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 +} diff --git a/tools/testing/selftests/cpufreq/main.sh b/tools/testing/selftests/cpufreq/main.sh index 3224652ccbd4..9ff662f67ea4 100755 --- a/tools/testing/selftests/cpufreq/main.sh +++ b/tools/testing/selftests/cpufreq/main.sh @@ -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