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244 lines
4.8 KiB
244 lines
4.8 KiB
#!/bin/bash |
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# SPDX-License-Identifier: GPL-2.0 |
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# |
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# Modules specific tests cases |
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# protect against multiple inclusion |
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if [ $FILE_MODULE ]; then |
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return 0 |
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else |
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FILE_MODULE=DONE |
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fi |
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source cpu.sh |
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source cpufreq.sh |
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source governor.sh |
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# Check basic insmod/rmmod |
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# $1: module |
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test_basic_insmod_rmmod() |
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{ |
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printf "** Test: Running ${FUNCNAME[0]} **\n\n" |
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printf "Inserting $1 module\n" |
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# insert module |
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insmod $1 |
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if [ $? != 0 ]; then |
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printf "Insmod $1 failed\n" |
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exit; |
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fi |
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printf "Removing $1 module\n" |
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# remove module |
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rmmod $1 |
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if [ $? != 0 ]; then |
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printf "rmmod $1 failed\n" |
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exit; |
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fi |
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printf "\n" |
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} |
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# Insert cpufreq driver module and perform basic tests |
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# $1: cpufreq-driver module to insert |
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# $2: If we want to play with CPUs (1) or not (0) |
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module_driver_test_single() |
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{ |
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printf "** Test: Running ${FUNCNAME[0]} for driver $1 and cpus_hotplug=$2 **\n\n" |
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if [ $2 -eq 1 ]; then |
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# offline all non-boot CPUs |
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for_each_non_boot_cpu offline_cpu |
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printf "\n" |
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fi |
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# insert module |
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printf "Inserting $1 module\n\n" |
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insmod $1 |
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if [ $? != 0 ]; then |
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printf "Insmod $1 failed\n" |
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return; |
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fi |
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if [ $2 -eq 1 ]; then |
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# online all non-boot CPUs |
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for_each_non_boot_cpu online_cpu |
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printf "\n" |
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fi |
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# run basic tests |
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cpufreq_basic_tests |
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# remove module |
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printf "Removing $1 module\n\n" |
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rmmod $1 |
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if [ $? != 0 ]; then |
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printf "rmmod $1 failed\n" |
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return; |
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fi |
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# There shouldn't be any cpufreq directories now. |
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for_each_cpu cpu_should_not_have_cpufreq_directory |
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printf "\n" |
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} |
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# $1: cpufreq-driver module to insert |
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module_driver_test() |
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{ |
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printf "** Test: Running ${FUNCNAME[0]} **\n\n" |
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# check if module is present or not |
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ls $1 > /dev/null |
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if [ $? != 0 ]; then |
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printf "$1: not present in `pwd` folder\n" |
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return; |
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fi |
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# test basic module tests |
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test_basic_insmod_rmmod $1 |
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# Do simple module test |
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module_driver_test_single $1 0 |
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# Remove CPUs before inserting module and then bring them back |
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module_driver_test_single $1 1 |
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printf "\n" |
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} |
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# find governor name based on governor module name |
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# $1: governor module name |
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find_gov_name() |
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{ |
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if [ $1 = "cpufreq_ondemand.ko" ]; then |
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printf "ondemand" |
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elif [ $1 = "cpufreq_conservative.ko" ]; then |
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printf "conservative" |
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elif [ $1 = "cpufreq_userspace.ko" ]; then |
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printf "userspace" |
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elif [ $1 = "cpufreq_performance.ko" ]; then |
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printf "performance" |
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elif [ $1 = "cpufreq_powersave.ko" ]; then |
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printf "powersave" |
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elif [ $1 = "cpufreq_schedutil.ko" ]; then |
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printf "schedutil" |
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fi |
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} |
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# $1: governor string, $2: governor module, $3: policy |
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# example: module_governor_test_single "ondemand" "cpufreq_ondemand.ko" 2 |
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module_governor_test_single() |
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{ |
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printf "** Test: Running ${FUNCNAME[0]} for $3 **\n\n" |
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backup_governor $3 |
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# switch to new governor |
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printf "Switch from $CUR_GOV to $1\n" |
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switch_show_governor $3 $1 |
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# try removing module, it should fail as governor is used |
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printf "Removing $2 module\n\n" |
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rmmod $2 |
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if [ $? = 0 ]; then |
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printf "WARN: rmmod $2 succeeded even if governor is used\n" |
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insmod $2 |
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else |
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printf "Pass: unable to remove $2 while it is being used\n\n" |
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fi |
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# switch back to old governor |
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printf "Switchback to $CUR_GOV from $1\n" |
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restore_governor $3 |
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printf "\n" |
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} |
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# Insert cpufreq governor module and perform basic tests |
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# $1: cpufreq-governor module to insert |
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module_governor_test() |
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{ |
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printf "** Test: Running ${FUNCNAME[0]} **\n\n" |
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# check if module is present or not |
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ls $1 > /dev/null |
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if [ $? != 0 ]; then |
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printf "$1: not present in `pwd` folder\n" |
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return; |
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fi |
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# test basic module tests |
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test_basic_insmod_rmmod $1 |
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# insert module |
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printf "Inserting $1 module\n\n" |
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insmod $1 |
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if [ $? != 0 ]; then |
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printf "Insmod $1 failed\n" |
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return; |
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fi |
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# switch to new governor for each cpu |
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for_each_policy module_governor_test_single $(find_gov_name $1) $1 |
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# remove module |
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printf "Removing $1 module\n\n" |
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rmmod $1 |
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if [ $? != 0 ]; then |
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printf "rmmod $1 failed\n" |
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return; |
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fi |
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printf "\n" |
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} |
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# test modules: driver and governor |
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# $1: driver module, $2: governor module |
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module_test() |
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{ |
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printf "** Test: Running ${FUNCNAME[0]} **\n\n" |
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# check if modules are present or not |
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ls $1 $2 > /dev/null |
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if [ $? != 0 ]; then |
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printf "$1 or $2: is not present in `pwd` folder\n" |
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return; |
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fi |
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# TEST1: Insert gov after driver |
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# insert driver module |
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printf "Inserting $1 module\n\n" |
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insmod $1 |
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if [ $? != 0 ]; then |
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printf "Insmod $1 failed\n" |
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return; |
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fi |
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# run governor tests |
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module_governor_test $2 |
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# remove driver module |
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printf "Removing $1 module\n\n" |
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rmmod $1 |
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if [ $? != 0 ]; then |
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printf "rmmod $1 failed\n" |
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return; |
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fi |
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# TEST2: Insert driver after governor |
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# insert governor module |
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printf "Inserting $2 module\n\n" |
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insmod $2 |
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if [ $? != 0 ]; then |
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printf "Insmod $2 failed\n" |
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return; |
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fi |
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# run governor tests |
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module_driver_test $1 |
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# remove driver module |
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printf "Removing $2 module\n\n" |
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rmmod $2 |
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if [ $? != 0 ]; then |
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printf "rmmod $2 failed\n" |
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return; |
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fi |
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}
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