selftest: cpufreq: Add support to test cpufreq modules (6751faf3) · Commits · e / devices / android_kernel_fairphone_FP4

tools/testing/selftests/cpufreq/Makefile

+1 −1

Original line number	Original line	Diff line number	Diff line
	all:		all:

	TEST_PROGS := main.sh		TEST_PROGS := main.sh
	TEST_FILES := cpu.sh cpufreq.sh governor.sh		TEST_FILES := cpu.sh cpufreq.sh governor.sh module.sh

	include ../lib.mk		include ../lib.mk

tools/testing/selftests/cpufreq/main.sh

+40 −5

Original line number	Original line	Diff line number	Diff line
	@@ -3,6 +3,7 @@
	source cpu.sh		source cpu.sh
	source cpufreq.sh		source cpufreq.sh
	source governor.sh		source governor.sh
			source module.sh

	FUNC=basic # do basic tests by default		FUNC=basic # do basic tests by default
	OUTFILE=cpufreq_selftest		OUTFILE=cpufreq_selftest
	@@ -12,12 +13,15 @@ CPUFREQROOT=

	helpme()		helpme()
	{		{
	printf "Usage: $0 [-h] [-to args]		printf "Usage: $0 [-h] [-todg args]
	[-h <help>]		[-h <help>]
	[-o <output-file-for-dump>]		[-o <output-file-for-dump>]
	[-t <basic: Basic cpufreq testing		[-t <basic: Basic cpufreq testing
	suspend: suspend/resume,		suspend: suspend/resume,
	hibernate: hibernate/resume>]		hibernate: hibernate/resume,
			modtest: test driver or governor modules. Only to be used with -d or -g options>]
			[-d <driver's module name: only with \"-t modtest>\"]
			[-g <governor's module name: only with \"-t modtest>\"]
	\n"		\n"
	exit 2		exit 2
	}		}
	@@ -56,14 +60,14 @@ prerequisite()

	parse_arguments()		parse_arguments()
	{		{
	while getopts ht:o: arg		while getopts ht:o:d:g: arg
	do		do
	case $arg in		case $arg in
	h) # --help		h) # --help
	helpme		helpme
	;;		;;

	t) # --func_type (Function to perform: basic, suspend, hibernate (default: basic))		t) # --func_type (Function to perform: basic, suspend, hibernate, modtest (default: basic))
	FUNC=$OPTARG		FUNC=$OPTARG
	;;		;;

	@@ -71,6 +75,14 @@ parse_arguments()
	OUTFILE=$OPTARG		OUTFILE=$OPTARG
	;;		;;

			d) # --driver-mod-name (Name of the driver module)
			DRIVER_MOD=$OPTARG
			;;

			g) # --governor-mod-name (Name of the governor module)
			GOVERNOR_MOD=$OPTARG
			;;

	\?)		\?)
	helpme		helpme
	;;		;;
	@@ -83,7 +95,7 @@ do_test()
	# Check if CPUs are managed by cpufreq or not		# Check if CPUs are managed by cpufreq or not
	count=$(count_cpufreq_managed_cpus)		count=$(count_cpufreq_managed_cpus)

	if [ $count = 0 ]; then		if [ $count = 0 -a $FUNC != "modtest" ]; then
	echo "No cpu is managed by cpufreq core, exiting"		echo "No cpu is managed by cpufreq core, exiting"
	exit 2;		exit 2;
	fi		fi
	@@ -101,6 +113,29 @@ do_test()
	do_suspend "hibernate" 1		do_suspend "hibernate" 1
	;;		;;

			"modtest")
			# Do we have modules in place?
			if [ -z $DRIVER_MOD ] && [ -z $GOVERNOR_MOD ]; then
			echo "No driver or governor module passed with -d or -g"
			exit 2;
			fi

			if [ $DRIVER_MOD ]; then
			if [ $GOVERNOR_MOD ]; then
			module_test $DRIVER_MOD $GOVERNOR_MOD
			else
			module_driver_test $DRIVER_MOD
			fi
			else
			if [ $count = 0 ]; then
			echo "No cpu is managed by cpufreq core, exiting"
			exit 2;
			fi

			module_governor_test $GOVERNOR_MOD
			fi
			;;

	*)		*)
	echo "Invalid [-f] function type"		echo "Invalid [-f] function type"
	helpme		helpme

tools/testing/selftests/cpufreq/module.sh

0 → 100755

+243 −0

Original line number	Original line	Diff line number	Diff line
			#!/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

			# Check basic insmod/rmmod
			# $1: module
			test_basic_insmod_rmmod()
			{
			printf " Test: Running ${FUNCNAME[0]} \n\n"

			printf "Inserting $1 module\n"
			# insert module
			insmod $1
			if [ $? != 0 ]; then
			printf "Insmod $1 failed\n"
			exit;
			fi

			printf "Removing $1 module\n"
			# remove module
			rmmod $1
			if [ $? != 0 ]; then
			printf "rmmod $1 failed\n"
			exit;
			fi

			printf "\n"
			}

			# Insert cpufreq driver module and perform basic tests
			# $1: cpufreq-driver module to insert
			# $2: If we want to play with CPUs (1) or not (0)
			module_driver_test_single()
			{
			printf " Test: Running ${FUNCNAME[0]} for driver $1 and cpus_hotplug=$2 \n\n"

			if [ $2 -eq 1 ]; then
			# offline all non-boot CPUs
			for_each_non_boot_cpu offline_cpu
			printf "\n"
			fi

			# insert module
			printf "Inserting $1 module\n\n"
			insmod $1
			if [ $? != 0 ]; then
			printf "Insmod $1 failed\n"
			return;
			fi

			if [ $2 -eq 1 ]; then
			# online all non-boot CPUs
			for_each_non_boot_cpu online_cpu
			printf "\n"
			fi

			# run basic tests
			cpufreq_basic_tests

			# remove module
			printf "Removing $1 module\n\n"
			rmmod $1
			if [ $? != 0 ]; then
			printf "rmmod $1 failed\n"
			return;
			fi

			# There shouldn't be any cpufreq directories now.
			for_each_cpu cpu_should_not_have_cpufreq_directory
			printf "\n"
			}

			# $1: cpufreq-driver module to insert
			module_driver_test()
			{
			printf " Test: Running ${FUNCNAME[0]} \n\n"

			# check if module is present or not
			ls $1 > /dev/null
			if [ $? != 0 ]; then
			printf "$1: not present in `pwd` folder\n"
			return;
			fi

			# test basic module tests
			test_basic_insmod_rmmod $1

			# Do simple module test
			module_driver_test_single $1 0

			# Remove CPUs before inserting module and then bring them back
			module_driver_test_single $1 1
			printf "\n"
			}

			# find governor name based on governor module name
			# $1: governor module name
			find_gov_name()
			{
			if [ $1 = "cpufreq_ondemand.ko" ]; then
			printf "ondemand"
			elif [ $1 = "cpufreq_conservative.ko" ]; then
			printf "conservative"
			elif [ $1 = "cpufreq_userspace.ko" ]; then
			printf "userspace"
			elif [ $1 = "cpufreq_performance.ko" ]; then
			printf "performance"
			elif [ $1 = "cpufreq_powersave.ko" ]; then
			printf "powersave"
			elif [ $1 = "cpufreq_schedutil.ko" ]; then
			printf "schedutil"
			fi
			}

			# $1: governor string, $2: governor module, $3: policy
			# example: module_governor_test_single "ondemand" "cpufreq_ondemand.ko" 2
			module_governor_test_single()
			{
			printf " Test: Running ${FUNCNAME[0]} for $3 \n\n"

			backup_governor $3

			# switch to new governor
			printf "Switch from $CUR_GOV to $1\n"
			switch_show_governor $3 $1

			# try removing module, it should fail as governor is used
			printf "Removing $2 module\n\n"
			rmmod $2
			if [ $? = 0 ]; then
			printf "WARN: rmmod $2 succeeded even if governor is used\n"
			insmod $2
			else
			printf "Pass: unable to remove $2 while it is being used\n\n"
			fi

			# switch back to old governor
			printf "Switchback to $CUR_GOV from $1\n"
			restore_governor $3
			printf "\n"
			}

			# Insert cpufreq governor module and perform basic tests
			# $1: cpufreq-governor module to insert
			module_governor_test()
			{
			printf " Test: Running ${FUNCNAME[0]} \n\n"

			# check if module is present or not
			ls $1 > /dev/null
			if [ $? != 0 ]; then
			printf "$1: not present in `pwd` folder\n"
			return;
			fi

			# test basic module tests
			test_basic_insmod_rmmod $1

			# insert module
			printf "Inserting $1 module\n\n"
			insmod $1
			if [ $? != 0 ]; then
			printf "Insmod $1 failed\n"
			return;
			fi

			# switch to new governor for each cpu
			for_each_policy module_governor_test_single $(find_gov_name $1) $1

			# remove module
			printf "Removing $1 module\n\n"
			rmmod $1
			if [ $? != 0 ]; then
			printf "rmmod $1 failed\n"
			return;
			fi
			printf "\n"
			}

			# test modules: driver and governor
			# $1: driver module, $2: governor module
			module_test()
			{
			printf " Test: Running ${FUNCNAME[0]} \n\n"

			# check if modules are present or not
			ls $1 $2 > /dev/null
			if [ $? != 0 ]; then
			printf "$1 or $2: is not present in `pwd` folder\n"
			return;
			fi

			# TEST1: Insert gov after driver
			# insert driver module
			printf "Inserting $1 module\n\n"
			insmod $1
			if [ $? != 0 ]; then
			printf "Insmod $1 failed\n"
			return;
			fi

			# run governor tests
			module_governor_test $2

			# remove driver module
			printf "Removing $1 module\n\n"
			rmmod $1
			if [ $? != 0 ]; then
			printf "rmmod $1 failed\n"
			return;
			fi

			# TEST2: Insert driver after governor
			# insert governor module
			printf "Inserting $2 module\n\n"
			insmod $2
			if [ $? != 0 ]; then
			printf "Insmod $2 failed\n"
			return;
			fi

			# run governor tests
			module_driver_test $1

			# remove driver module
			printf "Removing $2 module\n\n"
			rmmod $2
			if [ $? != 0 ]; then
			printf "rmmod $2 failed\n"
			return;
			fi
			}