1 #!/bin/bash 2 # SPDX-License-Identifier: GPL-2.0 3 # 4 # Modules specific tests cases 5 6 # protect against multiple inclusion 7 if [ $FILE_MODULE ]; then 8 return 0 9 else 10 FILE_MODULE=DONE 11 fi 12 13 source cpu.sh 14 source cpufreq.sh 15 source governor.sh 16 17 # Check basic insmod/rmmod 18 # $1: module 19 test_basic_insmod_rmmod() 20 { 21 printf "** Test: Running ${FUNCNAME[0]} **\n\n" 22 23 printf "Inserting $1 module\n" 24 # insert module 25 insmod $1 26 if [ $? != 0 ]; then 27 printf "Insmod $1 failed\n" 28 exit; 29 fi 30 31 printf "Removing $1 module\n" 32 # remove module 33 rmmod $1 34 if [ $? != 0 ]; then 35 printf "rmmod $1 failed\n" 36 exit; 37 fi 38 39 printf "\n" 40 } 41 42 # Insert cpufreq driver module and perform basic tests 43 # $1: cpufreq-driver module to insert 44 # $2: If we want to play with CPUs (1) or not (0) 45 module_driver_test_single() 46 { 47 printf "** Test: Running ${FUNCNAME[0]} for driver $1 and cpus_hotplug=$2 **\n\n" 48 49 if [ $2 -eq 1 ]; then 50 # offline all non-boot CPUs 51 for_each_non_boot_cpu offline_cpu 52 printf "\n" 53 fi 54 55 # insert module 56 printf "Inserting $1 module\n\n" 57 insmod $1 58 if [ $? != 0 ]; then 59 printf "Insmod $1 failed\n" 60 return; 61 fi 62 63 if [ $2 -eq 1 ]; then 64 # online all non-boot CPUs 65 for_each_non_boot_cpu online_cpu 66 printf "\n" 67 fi 68 69 # run basic tests 70 cpufreq_basic_tests 71 72 # remove module 73 printf "Removing $1 module\n\n" 74 rmmod $1 75 if [ $? != 0 ]; then 76 printf "rmmod $1 failed\n" 77 return; 78 fi 79 80 # There shouldn't be any cpufreq directories now. 81 for_each_cpu cpu_should_not_have_cpufreq_directory 82 printf "\n" 83 } 84 85 # $1: cpufreq-driver module to insert 86 module_driver_test() 87 { 88 printf "** Test: Running ${FUNCNAME[0]} **\n\n" 89 90 # check if module is present or not 91 ls $1 > /dev/null 92 if [ $? != 0 ]; then 93 printf "$1: not present in `pwd` folder\n" 94 return; 95 fi 96 97 # test basic module tests 98 test_basic_insmod_rmmod $1 99 100 # Do simple module test 101 module_driver_test_single $1 0 102 103 # Remove CPUs before inserting module and then bring them back 104 module_driver_test_single $1 1 105 printf "\n" 106 } 107 108 # find governor name based on governor module name 109 # $1: governor module name 110 find_gov_name() 111 { 112 if [ $1 = "cpufreq_ondemand.ko" ]; then 113 printf "ondemand" 114 elif [ $1 = "cpufreq_conservative.ko" ]; then 115 printf "conservative" 116 elif [ $1 = "cpufreq_userspace.ko" ]; then 117 printf "userspace" 118 elif [ $1 = "cpufreq_performance.ko" ]; then 119 printf "performance" 120 elif [ $1 = "cpufreq_powersave.ko" ]; then 121 printf "powersave" 122 elif [ $1 = "cpufreq_schedutil.ko" ]; then 123 printf "schedutil" 124 fi 125 } 126 127 # $1: governor string, $2: governor module, $3: policy 128 # example: module_governor_test_single "ondemand" "cpufreq_ondemand.ko" 2 129 module_governor_test_single() 130 { 131 printf "** Test: Running ${FUNCNAME[0]} for $3 **\n\n" 132 133 backup_governor $3 134 135 # switch to new governor 136 printf "Switch from $CUR_GOV to $1\n" 137 switch_show_governor $3 $1 138 139 # try removing module, it should fail as governor is used 140 printf "Removing $2 module\n\n" 141 rmmod $2 142 if [ $? = 0 ]; then 143 printf "WARN: rmmod $2 succeeded even if governor is used\n" 144 insmod $2 145 else 146 printf "Pass: unable to remove $2 while it is being used\n\n" 147 fi 148 149 # switch back to old governor 150 printf "Switchback to $CUR_GOV from $1\n" 151 restore_governor $3 152 printf "\n" 153 } 154 155 # Insert cpufreq governor module and perform basic tests 156 # $1: cpufreq-governor module to insert 157 module_governor_test() 158 { 159 printf "** Test: Running ${FUNCNAME[0]} **\n\n" 160 161 # check if module is present or not 162 ls $1 > /dev/null 163 if [ $? != 0 ]; then 164 printf "$1: not present in `pwd` folder\n" 165 return; 166 fi 167 168 # test basic module tests 169 test_basic_insmod_rmmod $1 170 171 # insert module 172 printf "Inserting $1 module\n\n" 173 insmod $1 174 if [ $? != 0 ]; then 175 printf "Insmod $1 failed\n" 176 return; 177 fi 178 179 # switch to new governor for each cpu 180 for_each_policy module_governor_test_single $(find_gov_name $1) $1 181 182 # remove module 183 printf "Removing $1 module\n\n" 184 rmmod $1 185 if [ $? != 0 ]; then 186 printf "rmmod $1 failed\n" 187 return; 188 fi 189 printf "\n" 190 } 191 192 # test modules: driver and governor 193 # $1: driver module, $2: governor module 194 module_test() 195 { 196 printf "** Test: Running ${FUNCNAME[0]} **\n\n" 197 198 # check if modules are present or not 199 ls $1 $2 > /dev/null 200 if [ $? != 0 ]; then 201 printf "$1 or $2: is not present in `pwd` folder\n" 202 return; 203 fi 204 205 # TEST1: Insert gov after driver 206 # insert driver module 207 printf "Inserting $1 module\n\n" 208 insmod $1 209 if [ $? != 0 ]; then 210 printf "Insmod $1 failed\n" 211 return; 212 fi 213 214 # run governor tests 215 module_governor_test $2 216 217 # remove driver module 218 printf "Removing $1 module\n\n" 219 rmmod $1 220 if [ $? != 0 ]; then 221 printf "rmmod $1 failed\n" 222 return; 223 fi 224 225 # TEST2: Insert driver after governor 226 # insert governor module 227 printf "Inserting $2 module\n\n" 228 insmod $2 229 if [ $? != 0 ]; then 230 printf "Insmod $2 failed\n" 231 return; 232 fi 233 234 # run governor tests 235 module_driver_test $1 236 237 # remove driver module 238 printf "Removing $2 module\n\n" 239 rmmod $2 240 if [ $? != 0 ]; then 241 printf "rmmod $2 failed\n" 242 return; 243 fi 244 } 245
