310 lines
6.9 KiB
Bash
Executable File
310 lines
6.9 KiB
Bash
Executable File
#! /usr/bin/bash
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# Global vars/settings
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command_name=$(basename $0)
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rapl_path="/sys/class/powercap/intel-rapl:0"
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pl1_path="${rapl_path}/constraint_0_power_limit_uw"
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pl2_path="${rapl_path}/constraint_1_power_limit_uw"
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script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
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gui_name="GPD TDP Manager"
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gui_options=""
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# Set up help text
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help_text="${command_name}: GDP Win 3 TDP management script
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This script checks and sets the TDP using intel_rapl
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Usage:
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${command_name} COMMAND [ARGUMENTS]
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Command:
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check [ARGS] Checks current TDP and prints it in watts
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c [ARGS] Shortened version of check
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set WATTS [ARGS] Sets TDP to the requested number in watts
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s WATTS [ARGS] Shortened version of set
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gui Runs graphical user interface
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help Prints this help text
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COMMAND --help Prints help for specified command"
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check_help_text="${command_name} check [ARG]
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Short command: c
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Example:
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${command_name} check --detail
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${command_name} c -d
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Arguments:
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--detail, -d Prints PL2 as well as PL1
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--help Prints this help text"
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set_help_text="${command_name} set WATT [ARGUMENTS]
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Short command: s
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Example:
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${command_name} set 10 --detail --same
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${command_name} s 10 -d -s
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Arguments:
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--detail, -d Prints PL2 as well as PL1
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--same, -s PL2 will be set to the same as PL1 rather than 2W higher
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--help Prints this help text"
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gui_help_text="${command_name} gui
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No help is available for the GUI.
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If it does not work, ensure the \"zenity\" command is installed and available"
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print_help () {
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case $1 in
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"check")
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echo "$check_help_text"
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;;
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"set")
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echo "$set_help_text"
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;;
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"gui")
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echo "$gui_help_text"
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;;
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*)
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echo "$help_text"
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;;
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esac
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}
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print_unknown () {
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echo "Unknown command or incorrect arguments.
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Try \"${command_name} help\" or \"${command_name} COMMAND --help\""
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}
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# End of help text
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# Conversion tools
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uw_to_w () {
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if ! [[ $1 =~ ^-?[0-9]+$ ]]; then
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exit
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else
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echo $(expr $1 / 1000000)
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fi
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}
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w_to_uw () {
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if ! [[ $1 =~ ^-?[0-9]+$ ]]; then
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exit
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else
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echo $(expr $1 '*' 1000000)
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fi
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}
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# Common checks/tasks
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is_detailed () {
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if [[ "$@" == *"--detail"* ]] || [[ "$@" == *"-d"* ]]; then
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exit 0
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else
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exit 1
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fi
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}
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is_help () {
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if [[ "$@" == *"--help"* ]] || [[ "$@" == *"-h"* ]]; then
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exit 0
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else
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exit 1
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fi
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}
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is_number () {
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if ! [[ $1 =~ ^-?[0-9]+$ ]]; then
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exit 1
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else
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exit 0
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fi
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}
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gui_msg () {
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zenity --info --title="$gui_name" $gui_options --text="$1" --no-wrap
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}
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gui_read () {
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zenity --entry --title="$gui_name" $gui_options --text="$1:"
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}
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gui_ask () {
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if $(zenity --question --title="$gui_name" $gui_options --text="$1" --no-wrap); then
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exit 0
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else
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exit 1
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fi
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}
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set_pl () {
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if [ $1 -eq 1 ] || [ $1 -eq 2 ] || [ ! -z $2 ]; then
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if [ $1 -eq 1 ]; then
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pl_path=$pl1_path
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elif [ $1 -eq 2 ]; then
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pl_path=$pl2_path
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fi
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if [ "$EUID" -eq 0 ]; then
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echo $(w_to_uw $2) > $pl_path
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elif [ $gui_used == 1 ]; then
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sudo -A bash -c "echo $(w_to_uw $2) > ${pl_path}"
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else
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sudo bash -c "echo $(w_to_uw $2) > ${pl_path}"
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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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get_pl () {
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if [ $1 -eq 1 ]; then
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cat $pl1_path
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elif [ $1 -eq 2 ]; then
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cat $pl2_path
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fi
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}
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# Retrieves current TDP and prints it
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check_tdp () {
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if [ -z "$1" ] || ( is_detailed $@ ); then
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local pl1=$(uw_to_w $(get_pl 1))
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local pl2=$(uw_to_w $(get_pl 2))
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echo "PL1 is ${pl1}W" # Placeholder
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if ( is_detailed $@ ); then
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echo "PL2 is ${pl2}W" # Placeholder
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fi
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elif ( is_help $@ ); then
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print_help "check"
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else
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print_unknown
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fi
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}
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# Sets PL1 to number provided as first argument, and PL2 2W higher
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set_tdp () {
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if [ -z "$1" ]; then
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echo "Please specify wattage"
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exit
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elif ( is_help $@ ); then
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print_help "set"
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exit
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elif ! (is_number $1); then
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echo "TDP is not a number or argument unknown!)"
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print_unknown
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exit
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fi
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if [ $1 -lt 5 ] || [ $1 -gt 30 ]; then
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echo "TDP too high or low, should be between 5W and 30W"
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echo "This is a sanity limit to prevent you from throttling to a near unusable state"
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else
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#PL1
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local watts=$1
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set_pl 1 $watts
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#PL2
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local watts2=$(expr $watts + 2)
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if [[ "$@" == *"--same"* ]] || [[ "$@" == *"-s"* ]]; then
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watts2=$watts
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fi
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set_pl 2 $watts2
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echo "PL1 is now ${watts}W (Long-term)"
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if ( is_detailed $@ ); then
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echo "PL2 is now ${watts2}W (Short-term)"
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fi
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fi
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}
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# Basic GUI using Zenity
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gui_handler() {
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if [ -z $(which zenity 2>/dev/null) ]; then
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echo "Zenity is not available, GUI will not work until it is installed"
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elif (is_help $@); then
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print_help "gui"
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else
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# Enables graphical sudo prompt
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export SUDO_ASKPASS="${script_dir}/gpd-sudo-prompt"
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export gui_used=1
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while : ; do
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# Clear variables
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gui_tdp=""
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# Contains some ugly hacks to "widen" the entries for the small GPD screen, might tweak later
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gui_action=$(zenity --list --title="${gui_name}" --width=400 --height=350 $gui_options --text="Chose action to perform:" --hide-column=1 --column="" --column="Action"\
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check "`printf "\n Check current TDP\n "`" \
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preset "`printf "\n Change TDP (requires sudo password)\n "`" \
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set "`printf "\n Set custom TDP (requires sudo password)\n "`" \
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exit "`printf "\n Exit TDP Manager\n "`")
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case $gui_action in
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"check")
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gui_msg "$($command_name check --detail)"
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;;
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"preset")
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gui_tdp=$(
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zenity --list --title "${gui_name}" --width=400 --height=350 $gui_options --text="Chose TDP to set:" --hide-column=1 --column="" --column="Wattage" \
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8 "`printf "\n 8W (Ultra-low, for simple 2D games)\n "`" \
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12 "`printf "\n 12W (Low power)\n "`" \
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15 "`printf "\n 15W (Balanced)\n "`" \
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20 "`printf "\n 20W (High power)\n "`" \
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28 "`printf "\n 28W (Max power / Docked)\n "`"
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)
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echo $gui_tdp
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if ! [ -z $gui_tdp ]; then
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gui_msg "$(tdp set $gui_tdp --detail)"
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fi
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;;
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"set")
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gui_tdp=$(gui_read "Please enter TDP")
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if ! [ -z $gui_tdp ]; then
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if $(gui_ask "Should PL2 be set to the same wattage?\nIf unsure, answer No."); then
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gui_msg "$(tdp set $gui_tdp --same --detail)"
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else
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gui_msg "$(tdp set $gui_tdp --detail)"
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fi
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gui_tdp=""
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fi
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;;
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*)
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break
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;;
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esac
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done
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fi
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}
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# Command handler
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# This checks which command was entered and forwards all other arguments to it
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case $1 in
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"check" | "c")
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check_tdp "${@:2}"
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;;
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"set" | "s")
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set_tdp "${@:2}"
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;;
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"gui") # Pass to GUI handler
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gui_handler "${@:2}"
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;;
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"help")
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print_help
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;;
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*)
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print_unknown
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;;
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esac
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