Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/tools/testing/selftests/cpufreq/cpufreq.sh

Назад
#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # protect against multiple inclusion if [ $FILE_CPUFREQ ]; then return 0 else FILE_CPUFREQ=DONE fi source cpu.sh # $1: cpu cpu_should_have_cpufreq_directory() { if [ ! -d $CPUROOT/$1/cpufreq ]; then printf "Warning: No cpufreq directory present for $1\n" fi } cpu_should_not_have_cpufreq_directory() { if [ -d $CPUROOT/$1/cpufreq ]; then printf "Warning: cpufreq directory present for $1\n" fi } for_each_policy() { policies=$(ls $CPUFREQROOT\| grep "policy[0-9].") for policy in $policies; do $@ $policy done } for_each_policy_concurrent() { policies=$(ls $CPUFREQROOT\| grep "policy[0-9].") for policy in $policies; do $@ $policy & done } # $1: Path read_cpufreq_files_in_dir() { local files=`ls $1` printf "Printing directory: $1\n\n" for file in $files; do if [ -f $1/$file ]; then printf "$file:" cat $1/$file else printf "\n" read_cpufreq_files_in_dir "$1/$file" fi done printf "\n" } read_all_cpufreq_files() { printf " Test: Running ${FUNCNAME[0]} \n\n" read_cpufreq_files_in_dir $CPUFREQROOT printf "%s\n\n" "------------------------------------------------" } # UPDATE CPUFREQ FILES # $1: directory path update_cpufreq_files_in_dir() { local files=`ls $1` printf "Updating directory: $1\n\n" for file in $files; do if [ -f $1/$file ]; then # file is writable ? local wfile=$(ls -l $1/$file \| awk '$1 ~ /^.w./ { print $NF; }') if [ ! -z $wfile ]; then # scaling_setspeed is a special file and we # should skip updating it if [ $file != "scaling_setspeed" ]; then local val=$(cat $1/$file) printf "Writing $val to: $file\n" echo $val > $1/$file fi fi else printf "\n" update_cpufreq_files_in_dir "$1/$file" fi done printf "\n" } # Update all writable files with their existing values update_all_cpufreq_files() { printf " Test: Running ${FUNCNAME[0]} \n\n" update_cpufreq_files_in_dir $CPUFREQROOT printf "%s\n\n" "------------------------------------------------" } # CHANGE CPU FREQUENCIES # $1: policy find_current_freq() { cat $CPUFREQROOT/$1/scaling_cur_freq } # $1: policy # $2: frequency set_cpu_frequency() { printf "Change frequency for $1 to $2\n" echo $2 > $CPUFREQROOT/$1/scaling_setspeed } # $1: policy test_all_frequencies() { local filepath="$CPUFREQROOT/$1" backup_governor $1 local found=$(switch_governor $1 "userspace") if [ $found = 1 ]; then printf "${FUNCNAME[0]}: userspace governor not available for: $1\n" return; fi printf "Switched governor for $1 to userspace\n\n" local freqs=$(cat $filepath/scaling_available_frequencies) printf "Available frequencies for $1: $freqs\n\n" # Set all frequencies one-by-one for freq in $freqs; do set_cpu_frequency $1 $freq done printf "\n" restore_governor $1 } # $1: loop count shuffle_frequency_for_all_cpus() { printf " Test: Running ${FUNCNAME[0]} for $1 loops \n\n" for i in `seq 1 $1`; do for_each_policy test_all_frequencies done printf "\n%s\n\n" "------------------------------------------------" } # Basic cpufreq tests cpufreq_basic_tests() { printf "* RUNNING CPUFREQ SANITY TESTS \n" printf "====================================\n\n" count=$(count_cpufreq_managed_cpus) if [ $count = 0 ]; then printf "No cpu is managed by cpufreq core, exiting\n" exit; else printf "CPUFreq manages: $count CPUs\n\n" fi # Detect & print which CPUs are not managed by cpufreq print_unmanaged_cpus # read/update all cpufreq files read_all_cpufreq_files update_all_cpufreq_files # hotplug cpus reboot_cpus 5 # Test all frequencies shuffle_frequency_for_all_cpus 2 # Test all governors shuffle_governors_for_all_cpus 1 } # Suspend/resume # $1: "suspend" or "hibernate", $2: loop count do_suspend() { printf "* Test: Running ${FUNCNAME[0]}: Trying $1 for $2 loops **\n\n" # Is the directory available if [ ! -d $SYSFS/power/ -o ! -f $SYSFS/power/state ]; then printf "$SYSFS/power/state not available\n" return 1 fi if [ $1 = "suspend" ]; then filename="mem" elif [ $1 = "hibernate" ]; then filename="disk" else printf "$1 is not a valid option\n" return 1 fi if [ -n $filename ]; then present=$(cat $SYSFS/power/state \| grep $filename) if [ -z "$present" ]; then printf "Tried to $1 but $filename isn't present in $SYSFS/power/state\n" return 1; fi for i in `seq 1 $2`; do printf "Starting $1\n" echo $filename > $SYSFS/power/state printf "Came out of $1\n" printf "Do basic tests after finishing $1 to verify cpufreq state\n\n" cpufreq_basic_tests done fi }

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