1 files changed, 184 insertions, 0 deletions
diff --git a/module-tests.sh b/module-tests.sh
new file mode 100755
index 0000000..909b114
--- /dev/null
+++ b/module-tests.sh
@@ -0,0 +1,184 @@
+#!/bin/bash
+#
+# Modules specific tests cases
+
+# protect against multiple inclusion
+if [ $FILE_MODULE ]; then
+	return 0
+else
+	FILE_MODULE=DONE
+fi
+
+source cpu.sh
+source cpufreq.sh
+source governor.sh
+
+# Insert cpufreq driver module and perform basic tests
+# $1: cpufreq-driver module to insert
+# $3: If we want to play with CPUs (1) or not (0)
+module_driver_test_prepare()
+{
+	if [ $3 = 1 ]; then
+		# offline all non-boot CPUs
+		for_each_non_boot_cpu offline_cpu
+	fi
+
+	# insert module
+	insmod $1
+	if [ $? != 0 ]; then
+		echo "Insmod $1 failed"
+		return;
+	fi
+
+	if [ $3 = 1 ]; then
+		# online all non-boot CPUs
+		for_each_non_boot_cpu online_cpu
+	fi
+
+	# run basic tests
+	cpufreq_basic_tests
+
+	# remove module
+	rmmod $1
+	if [ $? != 0 ]; then
+		echo "rmmod $1 failed"
+		return;
+	fi
+
+	# There shouldn't be any cpufreq directories now.
+	for_each_cpu cpu_should_not_have_cpufreq_directory
+}
+
+# $1: cpufreq-driver module to insert
+module_driver_test()
+{
+	# check if module is present or not
+	ls $1 > /dev/null
+	if [ $? != 0 ]; then
+		echo "$1: not present in `pwd` folder"
+		return;
+	fi
+
+	# Do simple module test
+	module_driver_test_prepare $1 0
+
+	# Remove CPUs before inserting module and then bring them back
+	module_driver_test_prepare $1 1
+}
+
+# find governor name based on governor module name
+# $1: governor module name
+find_gov_name()
+{
+	if [ $1 = "cpufreq_ondemand.ko" ]; then
+		echo "ondemand"
+	elif [ $1 = "cpufreq_conservative.ko" ]; then
+		echo "conservative"
+	elif [ $1 = "cpufreq_userspace.ko" ]; then
+		echo "userspace"
+	elif [ $1 = "cpufreq_performance.ko" ]; then
+		echo "performance"
+	elif [ $1 = "cpufreq_powersave.ko" ]; then
+		echo "powersave"
+	elif [ $1 = "cpufreq_interactive.ko" ]; then
+		echo "interactive"	# not in mainline, but android
+	fi
+}
+
+# $1: governor string, $2: governor module, $3: cpu
+# example: module_governor_test_prepare_cpu "ondemand" "cpufreq_ondemand.ko" 2
+module_governor_test_prepare_cpu()
+{
+	# save old governor
+	old_gov=$(cat $CPU_PATH/$3/cpufreq/scaling_governor)
+
+	# switch to new governor
+	switch_show_governor $3 $1
+
+	# try removing module, it should fail as governor is used
+	rmmod $2
+	if [ $? = 0 ]; then
+		echo "WARN: rmmod $2 succeeded even if governor is used"
+		insmod $2
+	fi
+
+	# switch back to old governor
+	switch_show_governor $3 $old_gov
+}
+
+# Insert cpufreq governor module and perform basic tests
+# $1: cpufreq-governor module to insert
+module_governor_test()
+{
+	# check if module is present or not
+	ls $1 > /dev/null
+	if [ $? != 0 ]; then
+		echo "$1: not present in `pwd` folder"
+		return;
+	fi
+
+	# insert module
+	insmod $1
+	if [ $? != 0 ]; then
+		echo "Insmod $1 failed"
+		return;
+	fi
+
+	# switch to new governor for each cpu
+	for_each_cpu module_governor_test_prepare_cpu $(find_gov_name $1) $1
+
+	# remove module
+	rmmod $1
+	if [ $? != 0 ]; then
+		echo "rmmod $1 failed"
+		return;
+	fi
+}
+
+# test modules: driver and governor
+# $1: driver module, $2: governor module
+module_test()
+{
+	# check if modules are present or not
+	ls $1 $2 > /dev/null
+	if [ $? != 0 ]; then
+		echo "$1 or $2: is not present in `pwd` folder"
+		return;
+	fi
+
+	# TEST1: Insert gov after driver
+	# insert driver module
+	insmod $1
+	if [ $? != 0 ]; then
+		echo "Insmod $1 failed"
+		return;
+	fi
+
+	# run governor tests
+	module_governor_test $2
+
+	# remove driver module
+	rmmod $1
+	if [ $? != 0 ]; then
+		echo "rmmod $1 failed"
+		return;
+	fi
+
+	# TEST2: Insert driver after governor
+	# insert governor module
+	insmod $2
+	if [ $? != 0 ]; then
+		echo "Insmod $2 failed"
+		return;
+	fi
+
+	# run governor tests
+	module_driver_test $1
+
+	# remove driver module
+	rmmod $2
+	if [ $? != 0 ]; then
+		echo "rmmod $2 failed"
+		return;
+	fi
+}