1 #!/bin/bash 1 #!/bin/bash 2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0 3 3 4 # protect against multiple inclusion 4 # protect against multiple inclusion 5 if [ $FILE_CPUFREQ ]; then 5 if [ $FILE_CPUFREQ ]; then 6 return 0 6 return 0 7 else 7 else 8 FILE_CPUFREQ=DONE 8 FILE_CPUFREQ=DONE 9 fi 9 fi 10 10 11 source cpu.sh 11 source cpu.sh 12 12 13 13 14 # $1: cpu 14 # $1: cpu 15 cpu_should_have_cpufreq_directory() 15 cpu_should_have_cpufreq_directory() 16 { 16 { 17 if [ ! -d $CPUROOT/$1/cpufreq ]; then 17 if [ ! -d $CPUROOT/$1/cpufreq ]; then 18 printf "Warning: No cpufreq di 18 printf "Warning: No cpufreq directory present for $1\n" 19 fi 19 fi 20 } 20 } 21 21 22 cpu_should_not_have_cpufreq_directory() 22 cpu_should_not_have_cpufreq_directory() 23 { 23 { 24 if [ -d $CPUROOT/$1/cpufreq ]; then 24 if [ -d $CPUROOT/$1/cpufreq ]; then 25 printf "Warning: cpufreq direc 25 printf "Warning: cpufreq directory present for $1\n" 26 fi 26 fi 27 } 27 } 28 28 29 for_each_policy() 29 for_each_policy() 30 { 30 { 31 policies=$(ls $CPUFREQROOT| grep "poli 31 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*") 32 for policy in $policies; do 32 for policy in $policies; do 33 $@ $policy 33 $@ $policy 34 done 34 done 35 } 35 } 36 36 37 for_each_policy_concurrent() 37 for_each_policy_concurrent() 38 { 38 { 39 policies=$(ls $CPUFREQROOT| grep "poli 39 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*") 40 for policy in $policies; do 40 for policy in $policies; do 41 $@ $policy & 41 $@ $policy & 42 done 42 done 43 } 43 } 44 44 45 # $1: Path 45 # $1: Path 46 read_cpufreq_files_in_dir() 46 read_cpufreq_files_in_dir() 47 { 47 { 48 local files=`ls $1` 48 local files=`ls $1` 49 49 50 printf "Printing directory: $1\n\n" 50 printf "Printing directory: $1\n\n" 51 51 52 for file in $files; do 52 for file in $files; do 53 if [ -f $1/$file ]; then 53 if [ -f $1/$file ]; then 54 printf "$file:" 54 printf "$file:" 55 cat $1/$file 55 cat $1/$file 56 else 56 else 57 printf "\n" 57 printf "\n" 58 read_cpufreq_files_in_ 58 read_cpufreq_files_in_dir "$1/$file" 59 fi 59 fi 60 done 60 done 61 printf "\n" 61 printf "\n" 62 } 62 } 63 63 64 64 65 read_all_cpufreq_files() 65 read_all_cpufreq_files() 66 { 66 { 67 printf "** Test: Running ${FUNCNAME[0] 67 printf "** Test: Running ${FUNCNAME[0]} **\n\n" 68 68 69 read_cpufreq_files_in_dir $CPUFREQROOT 69 read_cpufreq_files_in_dir $CPUFREQROOT 70 70 71 printf "%s\n\n" "--------------------- 71 printf "%s\n\n" "------------------------------------------------" 72 } 72 } 73 73 74 74 75 # UPDATE CPUFREQ FILES 75 # UPDATE CPUFREQ FILES 76 76 77 # $1: directory path 77 # $1: directory path 78 update_cpufreq_files_in_dir() 78 update_cpufreq_files_in_dir() 79 { 79 { 80 local files=`ls $1` 80 local files=`ls $1` 81 81 82 printf "Updating directory: $1\n\n" 82 printf "Updating directory: $1\n\n" 83 83 84 for file in $files; do 84 for file in $files; do 85 if [ -f $1/$file ]; then 85 if [ -f $1/$file ]; then 86 # file is writable ? 86 # file is writable ? 87 local wfile=$(ls -l $1 87 local wfile=$(ls -l $1/$file | awk '$1 ~ /^.*w.*/ { print $NF; }') 88 88 89 if [ ! -z $wfile ]; th 89 if [ ! -z $wfile ]; then 90 # scaling_sets 90 # scaling_setspeed is a special file and we 91 # should skip 91 # should skip updating it 92 if [ $file != 92 if [ $file != "scaling_setspeed" ]; then 93 local 93 local val=$(cat $1/$file) 94 printf 94 printf "Writing $val to: $file\n" 95 echo $ 95 echo $val > $1/$file 96 fi 96 fi 97 fi 97 fi 98 else 98 else 99 printf "\n" 99 printf "\n" 100 update_cpufreq_files_i 100 update_cpufreq_files_in_dir "$1/$file" 101 fi 101 fi 102 done 102 done 103 103 104 printf "\n" 104 printf "\n" 105 } 105 } 106 106 107 # Update all writable files with their existin 107 # Update all writable files with their existing values 108 update_all_cpufreq_files() 108 update_all_cpufreq_files() 109 { 109 { 110 printf "** Test: Running ${FUNCNAME[0] 110 printf "** Test: Running ${FUNCNAME[0]} **\n\n" 111 111 112 update_cpufreq_files_in_dir $CPUFREQRO 112 update_cpufreq_files_in_dir $CPUFREQROOT 113 113 114 printf "%s\n\n" "--------------------- 114 printf "%s\n\n" "------------------------------------------------" 115 } 115 } 116 116 117 117 118 # CHANGE CPU FREQUENCIES 118 # CHANGE CPU FREQUENCIES 119 119 120 # $1: policy 120 # $1: policy 121 find_current_freq() 121 find_current_freq() 122 { 122 { 123 cat $CPUFREQROOT/$1/scaling_cur_freq 123 cat $CPUFREQROOT/$1/scaling_cur_freq 124 } 124 } 125 125 126 # $1: policy 126 # $1: policy 127 # $2: frequency 127 # $2: frequency 128 set_cpu_frequency() 128 set_cpu_frequency() 129 { 129 { 130 printf "Change frequency for $1 to $2\ 130 printf "Change frequency for $1 to $2\n" 131 echo $2 > $CPUFREQROOT/$1/scaling_sets 131 echo $2 > $CPUFREQROOT/$1/scaling_setspeed 132 } 132 } 133 133 134 # $1: policy 134 # $1: policy 135 test_all_frequencies() 135 test_all_frequencies() 136 { 136 { 137 local filepath="$CPUFREQROOT/$1" 137 local filepath="$CPUFREQROOT/$1" 138 138 139 backup_governor $1 139 backup_governor $1 140 140 141 local found=$(switch_governor $1 "user 141 local found=$(switch_governor $1 "userspace") 142 if [ $found = 1 ]; then 142 if [ $found = 1 ]; then 143 printf "${FUNCNAME[0]}: usersp 143 printf "${FUNCNAME[0]}: userspace governor not available for: $1\n" 144 return; 144 return; 145 fi 145 fi 146 146 147 printf "Switched governor for $1 to us 147 printf "Switched governor for $1 to userspace\n\n" 148 148 149 local freqs=$(cat $filepath/scaling_av 149 local freqs=$(cat $filepath/scaling_available_frequencies) 150 printf "Available frequencies for $1: 150 printf "Available frequencies for $1: $freqs\n\n" 151 151 152 # Set all frequencies one-by-one 152 # Set all frequencies one-by-one 153 for freq in $freqs; do 153 for freq in $freqs; do 154 set_cpu_frequency $1 $freq 154 set_cpu_frequency $1 $freq 155 done 155 done 156 156 157 printf "\n" 157 printf "\n" 158 158 159 restore_governor $1 159 restore_governor $1 160 } 160 } 161 161 162 # $1: loop count 162 # $1: loop count 163 shuffle_frequency_for_all_cpus() 163 shuffle_frequency_for_all_cpus() 164 { 164 { 165 printf "** Test: Running ${FUNCNAME[0] 165 printf "** Test: Running ${FUNCNAME[0]} for $1 loops **\n\n" 166 166 167 for i in `seq 1 $1`; do 167 for i in `seq 1 $1`; do 168 for_each_policy test_all_frequ 168 for_each_policy test_all_frequencies 169 done 169 done 170 printf "\n%s\n\n" "------------------- 170 printf "\n%s\n\n" "------------------------------------------------" 171 } 171 } 172 172 173 # Basic cpufreq tests 173 # Basic cpufreq tests 174 cpufreq_basic_tests() 174 cpufreq_basic_tests() 175 { 175 { 176 printf "*** RUNNING CPUFREQ SANITY TES 176 printf "*** RUNNING CPUFREQ SANITY TESTS ***\n" 177 printf "============================== 177 printf "====================================\n\n" 178 178 179 count=$(count_cpufreq_managed_cpus) 179 count=$(count_cpufreq_managed_cpus) 180 if [ $count = 0 ]; then 180 if [ $count = 0 ]; then 181 ktap_exit_fail_msg "No cpu is !! 181 printf "No cpu is managed by cpufreq core, exiting\n" >> 182 exit; 182 else 183 else 183 printf "CPUFreq manages: $coun 184 printf "CPUFreq manages: $count CPUs\n\n" 184 fi 185 fi 185 186 186 # Detect & print which CPUs are not ma 187 # Detect & print which CPUs are not managed by cpufreq 187 print_unmanaged_cpus 188 print_unmanaged_cpus 188 189 189 # read/update all cpufreq files 190 # read/update all cpufreq files 190 read_all_cpufreq_files 191 read_all_cpufreq_files 191 update_all_cpufreq_files 192 update_all_cpufreq_files 192 193 193 # hotplug cpus 194 # hotplug cpus 194 reboot_cpus 5 195 reboot_cpus 5 195 196 196 # Test all frequencies 197 # Test all frequencies 197 shuffle_frequency_for_all_cpus 2 198 shuffle_frequency_for_all_cpus 2 198 199 199 # Test all governors 200 # Test all governors 200 shuffle_governors_for_all_cpus 1 201 shuffle_governors_for_all_cpus 1 201 } 202 } 202 203 203 # Suspend/resume 204 # Suspend/resume 204 # $1: "suspend" or "hibernate", $2: loop count 205 # $1: "suspend" or "hibernate", $2: loop count 205 do_suspend() 206 do_suspend() 206 { 207 { 207 printf "** Test: Running ${FUNCNAME[0] 208 printf "** Test: Running ${FUNCNAME[0]}: Trying $1 for $2 loops **\n\n" 208 209 209 # Is the directory available 210 # Is the directory available 210 if [ ! -d $SYSFS/power/ -o ! -f $SYSFS 211 if [ ! -d $SYSFS/power/ -o ! -f $SYSFS/power/state ]; then 211 printf "$SYSFS/power/state not 212 printf "$SYSFS/power/state not available\n" 212 return 1 213 return 1 213 fi 214 fi 214 215 215 if [ $1 = "suspend" ]; then 216 if [ $1 = "suspend" ]; then 216 filename="mem" 217 filename="mem" 217 elif [ $1 = "hibernate" ]; then 218 elif [ $1 = "hibernate" ]; then 218 filename="disk" 219 filename="disk" 219 else 220 else 220 printf "$1 is not a valid opti 221 printf "$1 is not a valid option\n" 221 return 1 222 return 1 222 fi 223 fi 223 224 224 if [ -n $filename ]; then 225 if [ -n $filename ]; then 225 present=$(cat $SYSFS/power/sta 226 present=$(cat $SYSFS/power/state | grep $filename) 226 227 227 if [ -z "$present" ]; then 228 if [ -z "$present" ]; then 228 printf "Tried to $1 bu 229 printf "Tried to $1 but $filename isn't present in $SYSFS/power/state\n" 229 return 1; 230 return 1; 230 fi 231 fi 231 232 232 for i in `seq 1 $2`; do 233 for i in `seq 1 $2`; do 233 printf "Starting $1\n" 234 printf "Starting $1\n" 234 << 235 if [ "$3" = "rtc" ]; t << 236 if ! command - << 237 printf << 238 return << 239 fi << 240 << 241 rtcwake -m $fi << 242 << 243 if [ $? -ne 0 << 244 printf << 245 return << 246 fi << 247 fi << 248 << 249 echo $filename > $SYSF 235 echo $filename > $SYSFS/power/state 250 printf "Came out of $1 236 printf "Came out of $1\n" 251 237 252 printf "Do basic tests 238 printf "Do basic tests after finishing $1 to verify cpufreq state\n\n" 253 cpufreq_basic_tests 239 cpufreq_basic_tests 254 done 240 done 255 fi 241 fi 256 } 242 }
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.