win3-resources/tdp

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#! /usr/bin/bash
# Set up help text
command_name=$(basename $0)
help_text="${command_name}: GDP Win 3 TDP management script
This script checks and sets the TDP using intel_rapl
Usage:
${command_name} COMMAND [ARGUMENTS]
Command:
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check [ARGS] Checks current TDP and prints it in watts
set WATTS [ARGS] Setts TDP to the requested number in watts
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help Prints this help text
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COMMAND --help Prints help for specified command"
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check_help_text="${command_name} check [ARG]
Example:
${command_name} check --detail
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${command_name} c -d
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Arguments:
--detail, -d Prints PL2 as well as PL1
--help Prints this help text"
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set_help_text="${command_name} set WATT [ARGUMENTS]
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Example:
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${command_name} set 10 --detail
${command_name} s 10 -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"
print_help () {
case $1 in
"check")
echo "$check_help_text"
;;
"set")
echo "$set_help_text"
;;
*)
echo "$help_text"
;;
esac
}
print_unknown () {
echo "Unknown command or incorrect arguments.
Try \"${command_name} help\" or \"${command_name} COMMAND --help\""
}
# End of help text
# Retrieves current TDP and prints it
check_tdp () {
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if [[ "$@" == *"--detail"* ]] || [[ "$@" == *"-d"* ]]; then
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echo "Placeholder"
echo "Extra placeholder"
elif [ -z "$1" ]; then
echo "Placeholder"
elif [ "$1" == "--help" ]; then
print_help "check"
else
print_unknown
fi
}
# Sets TDP to number provided as first argument
set_tdp () {
if [ -z "$1" ]; then
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echo "Please specify wattage"
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exit
elif [ "$1" == "--help" ]; then
print_help "set"
exit
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elif ! [[ $1 =~ ^-?[0-9]+$ ]]; then
echo "TDP is not a number or argument unknown!)"
print_unknown
exit
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fi
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if [ $1 -lt 5 ] || [ $1 -gt 30 ]; then
echo "TDP too high or low, should be between 5W and 30W"
echo "This is a sanity limit to prevent you from throttling to a near unusable state"
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else
#PL1
local watts=$1
local uwatts=$(expr $watts '*' 1000000)
#PL2
local watts2=$(expr $watts + 2)
local uwatts2=$(expr $watts2 '*' 1000000)
echo $uwatts
echo "PL1 is now ${watts}W (Long-term)"
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if [[ "$@" == *"--detail"* ]] || [[ "$@" == *"-d"* ]]; then
echo "PL2 is now ${watts2}W (Short-term)"
fi
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fi
}
# Command handler
case $1 in
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"check" | "c")
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check_tdp "${@:2}"
;;
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"set" | "s")
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set_tdp "${@:2}"
;;
"help")
print_help
;;
*)
print_unknown
;;
esac