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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243#!/bin/bash# SPDX-License-Identifier: GPL-2.0## Modules specific tests cases
# protect against multiple inclusionif [ $FILE_MODULE ]; then return 0else FILE_MODULE=DONEfi
source cpu.shsource cpufreq.shsource governor.sh
# Check basic insmod/rmmod# $1: moduletest_basic_insmod_rmmod(){ printf "** Test: Running ${FUNCNAME[0]} **\n\n"
printf "Inserting $1 module\n" # insert module insmod $1 if [ $? != 0 ]; then ktap_exit_fail_msg "Insmod $1 failed\n" fi
printf "Removing $1 module\n" # remove module rmmod $1 if [ $? != 0 ]; then ktap_exit_fail_msg "rmmod $1 failed\n" 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 insertmodule_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 namefind_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" 2module_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 insertmodule_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 modulemodule_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}