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