mirror of
https://github.com/kiddin9/op-packages.git
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250 lines
7.1 KiB
Bash
Executable File
250 lines
7.1 KiB
Bash
Executable File
#!/bin/sh /etc/rc.common
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START=13
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APP_NAME="cpu-perf"
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SYSFS_CPU_DIR="/sys/devices/system/cpu"
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SYSFS_CPU_FREQ_DIR="${SYSFS_CPU_DIR}/cpufreq"
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OD_CPU_FREQ_DIR="${SYSFS_CPU_DIR}/cpufreq/ondemand"
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OD_UP_THRESHOLD_FILE="${OD_CPU_FREQ_DIR}/up_threshold"
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OD_IGN_NICE_LOAD_FILE="${OD_CPU_FREQ_DIR}/ignore_nice_load"
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OD_SAMPLING_DOWN_FACTOR_FILE="${OD_CPU_FREQ_DIR}/sampling_down_factor"
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OD_POWERSAVE_BIAS_FILE="${OD_CPU_FREQ_DIR}/powersave_bias"
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OD_UP_THRESHOLD_DEF=95
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OD_IGN_NICE_LOAD_DEF=0
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OD_SAMPLING_DOWN_FACTOR_DEF=1
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OD_POWERSAVE_BIAS_DEF=0
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CO_CPU_FREQ_DIR="${SYSFS_CPU_DIR}/cpufreq/conservative"
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CO_FREQ_STEP_FILE="${CO_CPU_FREQ_DIR}/freq_step"
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CO_DOWN_THRESHOLD_FILE="${CO_CPU_FREQ_DIR}/down_threshold"
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CO_SAMPLING_DOWN_FACTOR_FILE="${CO_CPU_FREQ_DIR}/sampling_down_factor"
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CO_FREQ_STEP_DEF=5
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CO_DOWN_THRESHOLD_DEF=20
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CO_SAMPLING_DOWN_FACTOR_DEF=1
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PA_POLICY_FILE="/sys/module/pcie_aspm/parameters/policy"
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PA_POLICY_DEF="default"
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EAS_FILE="/proc/sys/kernel/sched_energy_aware"
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EAS_DEF=1
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config_load $APP_NAME
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get_cpu_freq_policies() {
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echo $(ls "$SYSFS_CPU_FREQ_DIR" | grep "^policy[0-9]*$")
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}
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reset_cpu_freq_policy_config() {
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while uci -q delete ${APP_NAME}.@cpu_freq_policy[0]; do :; done
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for i in $(get_cpu_freq_policies)
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do
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uci set ${APP_NAME}.${i}="cpu_freq_policy"
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done
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uci commit "$APP_NAME"
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}
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CPU_FREQ_POLICY_UCI_SECTIONS=0
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CPU_FREQ_POLICIES=$(get_cpu_freq_policies | wc -w)
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cpu_freq_policy_section_counter() {
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CPU_FREQ_POLICY_UCI_SECTIONS=$(($CPU_FREQ_POLICY_UCI_SECTIONS + 1))
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}
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check_cpu_freq_policy_sections() {
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CPU_FREQ_POLICY_UCI_SECTIONS=0
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config_foreach cpu_freq_policy_section_counter cpu_freq_policy
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if [ $CPU_FREQ_POLICY_UCI_SECTIONS -ne $CPU_FREQ_POLICIES ]; then
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reset_cpu_freq_policy_config
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fi
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}
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set_cpu_freq_policy() {
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local policy="$1"
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local scaling_min_freq scaling_max_freq scaling_governor
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local policy_dir="${SYSFS_CPU_FREQ_DIR}/${policy}"
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[ ! -d $policy_dir ] && return
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local scaling_min_freq_file="${policy_dir}/scaling_min_freq"
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local scaling_max_freq_file="${policy_dir}/scaling_max_freq"
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local scaling_governor_file="${policy_dir}/scaling_governor"
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config_get scaling_min_freq $policy scaling_min_freq
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config_get scaling_max_freq $policy scaling_max_freq
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config_get scaling_governor $policy scaling_governor
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if [ -n "$scaling_min_freq" -a -w "$scaling_min_freq_file" ]; then
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echo "$scaling_min_freq" > "$scaling_min_freq_file"
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fi
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if [ -n "$scaling_max_freq" -a -w "$scaling_max_freq_file" ]; then
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echo "$scaling_max_freq" > "$scaling_max_freq_file"
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fi
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if [ -n "$scaling_governor" -a -w "$scaling_governor_file" ]; then
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echo "$scaling_governor" > "$scaling_governor_file"
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fi
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}
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reset_cpu_freq_policy() {
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local policy="$1"
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local policy_dir="${SYSFS_CPU_FREQ_DIR}/${policy}"
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[ ! -d $policy_dir ] && return
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local min_freq_file="${policy_dir}/cpuinfo_min_freq"
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local max_freq_file="${policy_dir}/cpuinfo_max_freq"
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local scaling_min_freq_file="${policy_dir}/scaling_min_freq"
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local scaling_max_freq_file="${policy_dir}/scaling_max_freq"
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local scaling_governor_file="${policy_dir}/scaling_governor"
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if [ -r "$min_freq_file" -a -w "$scaling_min_freq_file" ]; then
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echo "$(cat $min_freq_file)" > "$scaling_min_freq_file"
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fi
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if [ -r "$max_freq_file" -a -w "$scaling_max_freq_file" ]; then
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echo "$(cat $max_freq_file)" > "$scaling_max_freq_file"
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fi
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if [ -w "$scaling_governor_file" ]; then
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echo "schedutil" > "$scaling_governor_file" 2> /dev/null
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if [ $? -ne 0 ]; then
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echo "ondemand" > "$scaling_governor_file" 2> /dev/null
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if [ $? -ne 0 ]; then
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echo "conservative" > "$scaling_governor_file" 2> /dev/null
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if [ $? -ne 0 ]; then
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echo "userspace" > "$scaling_governor_file" 2> /dev/null
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fi
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fi
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fi
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fi
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}
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set_ondemand_tunables() {
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local up_threshold ignore_nice_load sampling_down_factor powersave_bias
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[ ! -d "$OD_CPU_FREQ_DIR" ] && return 0
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config_get up_threshold ondemand up_threshold
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config_get ignore_nice_load ondemand ignore_nice_load
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config_get sampling_down_factor ondemand sampling_down_factor
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config_get powersave_bias ondemand powersave_bias
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if [ -n "$up_threshold" -a -w "$OD_UP_THRESHOLD_FILE" ]; then
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echo "$up_threshold" > "$OD_UP_THRESHOLD_FILE"
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fi
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if [ -n "$ignore_nice_load" -a -w "$OD_IGN_NICE_LOAD_FILE" ]; then
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echo "$ignore_nice_load" > "$OD_IGN_NICE_LOAD_FILE"
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fi
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if [ -n "$sampling_down_factor" -a -w "$OD_SAMPLING_DOWN_FACTOR_FILE" ]; then
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echo "$sampling_down_factor" > "$OD_SAMPLING_DOWN_FACTOR_FILE"
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fi
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if [ -n "$powersave_bias" -a -w "$OD_POWERSAVE_BIAS_FILE" ]; then
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echo "$powersave_bias" > "$OD_POWERSAVE_BIAS_FILE"
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fi
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}
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reset_ondemand_tunables() {
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[ ! -d "$OD_CPU_FREQ_DIR" ] && return 0
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if [ -w "$OD_UP_THRESHOLD_FILE" ]; then
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echo "$OD_UP_THRESHOLD_DEF" > "$OD_UP_THRESHOLD_FILE"
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fi
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if [ -w "$OD_IGN_NICE_LOAD_FILE" ]; then
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echo "$OD_IGN_NICE_LOAD_DEF" > "$OD_IGN_NICE_LOAD_FILE"
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fi
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if [ -w "$OD_SAMPLING_DOWN_FACTOR_FILE" ]; then
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echo "$OD_SAMPLING_DOWN_FACTOR_DEF" > "$OD_SAMPLING_DOWN_FACTOR_FILE"
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fi
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if [ -w "$OD_POWERSAVE_BIAS_FILE" ]; then
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echo "$OD_POWERSAVE_BIAS_DEF" > "$OD_POWERSAVE_BIAS_FILE"
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fi
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}
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set_conservative_tunables() {
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local freq_step down_threshold sampling_down_factor
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[ ! -d "$CO_CPU_FREQ_DIR" ] && return 0
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config_get freq_step conservative freq_step
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config_get down_threshold conservative down_threshold
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config_get sampling_down_factor conservative sampling_down_factor
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if [ -n "$freq_step" -a -w "$CO_FREQ_STEP_FILE" ]; then
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echo "$freq_step" > "$CO_FREQ_STEP_FILE"
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fi
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if [ -n "$down_threshold" -a -w "$CO_DOWN_THRESHOLD_FILE" ]; then
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echo "$down_threshold" > "$CO_DOWN_THRESHOLD_FILE"
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fi
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if [ -n "$sampling_down_factor" -a -w "$CO_SAMPLING_DOWN_FACTOR_FILE" ]; then
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echo "$sampling_down_factor" > "$CO_SAMPLING_DOWN_FACTOR_FILE"
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fi
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}
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reset_conservative_tunables() {
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[ ! -d "$CO_CPU_FREQ_DIR" ] && return 0
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if [ -w "$CO_FREQ_STEP_FILE" ]; then
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echo "$CO_FREQ_STEP_DEF" > "$CO_FREQ_STEP_FILE"
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fi
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if [ -w "$CO_DOWN_THRESHOLD_FILE" ]; then
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echo "$CO_DOWN_THRESHOLD_DEF" > "$CO_DOWN_THRESHOLD_FILE"
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fi
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if [ -w "$CO_SAMPLING_DOWN_FACTOR_FILE" ]; then
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echo "$CO_SAMPLING_DOWN_FACTOR_DEF" > "$CO_SAMPLING_DOWN_FACTOR_FILE"
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fi
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}
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set_eas() {
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config_get sched_energy_aware eas sched_energy_aware
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if [ -n "$sched_energy_aware" -a -w "$EAS_FILE" ]; then
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echo "$sched_energy_aware" > "$EAS_FILE" 2> /dev/null
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fi
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}
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reset_eas() {
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if [ -w "$EAS_FILE" ]; then
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echo "$EAS_DEF" > "$EAS_FILE" 2> /dev/null
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fi
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}
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set_pcie_aspm_policy() {
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config_get policy pcie_aspm policy
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if [ -n "$policy" -a -w "$PA_POLICY_FILE" ]; then
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echo "$policy" > "$PA_POLICY_FILE" 2> /dev/null
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fi
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}
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reset_pcie_aspm_policy() {
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if [ -w "$PA_POLICY_FILE" ]; then
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echo "$PA_POLICY_DEF" > "$PA_POLICY_FILE" 2> /dev/null
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fi
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}
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start() {
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local enabled
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if [ -r "/etc/config/${APP_NAME}" ]; then
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check_cpu_freq_policy_sections
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enabled=$(uci get ${APP_NAME}.config.enabled)
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if [ "$enabled" = "1" ]; then
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set_eas
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config_foreach set_cpu_freq_policy cpu_freq_policy
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set_ondemand_tunables
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set_conservative_tunables
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set_pcie_aspm_policy
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fi
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else
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exit 1
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fi
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}
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stop() {
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reset_eas
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config_foreach reset_cpu_freq_policy cpu_freq_policy
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reset_ondemand_tunables
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reset_conservative_tunables
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reset_pcie_aspm_policy
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}
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