OSCL-LXR linux-6.0.1/​tools/​testing/​selftests/​cpufreq/​module.sh	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 #
 # 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
 }

This page was automatically generated by the 2.1.0 LXR engine. The LXR team