#!/bin/bash
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# defines
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CPU_DIR="/sys/devices/system/cpu"
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GPU_DIR="/sys/class/kgsl/kgsl-3d0"
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# helper functions
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fileexists() {
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[ `adb shell "[ -f $1 ] && echo found"` ]
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}
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getprop() {
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if fileexists $1; then
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echo `adb shell cat $1 | tr -d '\r'`
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else
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echo "FILE $1 NOT FOUND"
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fi
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}
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setprop() {
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if fileexists $1; then
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adb shell "echo -n $2 > $1"
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else
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echo "FILE $1 NOT FOUND"
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fi
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}
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# setup
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echo
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if [[ "`adb shell id | tr -d '\r' | awk -F'[()]' '{print $2}'`" != "root" ]]; then
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adb root
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adb wait-for-device
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fi
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# device name
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echo Device: `adb shell getprop ro.product.model`
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echo
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# collect and count all cores
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frequency=
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frequencies=
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cores=`adb shell ls /sys/devices/system/cpu/ | grep cpu[0-9].* | tr -d '\r'`
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for core in $cores; do
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# display cpu
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echo "$core:"
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# display current status
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if fileexists $CPU_DIR/$core/online && [ `getprop $CPU_DIR/$core/online` -eq 0 ]; then
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echo " Status: OFFLINE"
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else
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echo " Status: ONLINE"
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fi
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# display available frequencies
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if fileexists $CPU_DIR/$core/cpufreq/scaling_available_frequencies; then
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frequencies=(`getprop $CPU_DIR/$core/cpufreq/scaling_available_frequencies`)
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elif fileexists $CPU_DIR/$core/cpufreq/stats/time_in_state; then
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frequencies=(`adb shell cat $CPU_DIR/$core/cpufreq/stats/time_in_state | cut -f1 -d " " | tr -d '\r'`)
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fi
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frequencies=( `printf "%s\n" "${frequencies[@]}" | sort -n` )
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echo " Available Frequencies: ${frequencies[@]} (Hz)"
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# display current frequency
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if fileexists $CPU_DIR/$core/cpufreq/scaling_cur_freq; then
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frequency=`getprop $CPU_DIR/$core/cpufreq/scaling_cur_freq`
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fi
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echo " Current Frequency: $frequency (Hz)"
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done
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# poll gpu
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echo
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echo "GPU:"
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# get available gpu frequencies in sorted order
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if fileexists $GPU_DIR/devfreq/available_frequencies; then
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frequencies=(`getprop $GPU_DIR/devfreq/available_frequencies`)
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elif fileexists $GPU_DIR/gpu_available_frequencies; then
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frequencies=(`getprop $GPU_DIR/gpu_available_frequencies`)
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elif fileexists /d/clock/gbus/possible_rates; then
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frequencies=(`getprop /d/clock/gbus/possible_rates`)
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else
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echo " Unable to find available GPU frequencies"
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echo
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exit
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fi
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frequencies=( `printf "%s\n" "${frequencies[@]}" | sort -n` )
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if [ ${frequencies[0]} == "(kHz)" ]; then
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frequencies=(`printf "%s000\n" "${frequencies[@]:1}"`)
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fi
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echo " Available Frequencies: ${frequencies[@]} (Hz)"
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# collect and print current gpu frequency
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if fileexists $GPU_DIR/max_gpuclk; then
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freq=`getprop $GPU_DIR/max_gpuclk`
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elif fileexists /d/clock/override.gbus/rate; then
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freq=`getprop /d/clock/override.gbus/rate`
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else
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echo "ERROR: unable to find current GPU frequency"
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exit
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fi
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echo " Current Frequency: $freq (Hz)"
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echo
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