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31 lines
786 B
Bash
31 lines
786 B
Bash
#!/bin/sh
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# This is to toggle intel turbo boost.
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if [[ -z $(which rdmsr) ]]; then
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echo "msr-tools is not installed. Please install it and try again." >&2
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exit 1
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fi
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if [[ ! -z $1 && $1 != "enable" && $1 != "disable" ]]; then
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echo "Invalid argument: $1" >&2
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echo ""
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echo "Usage: $(basename $0) [disable|enable]"
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exit 1
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fi
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cores=$(cat /proc/cpuinfo | grep processor | awk '{print $3}')
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for core in $cores; do
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if [[ $1 == "disable" ]]; then
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sudo wrmsr -p${core} 0x1a0 0x4000850089
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fi
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if [[ $1 == "enable" ]]; then
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sudo wrmsr -p${core} 0x1a0 0x850089
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fi
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state=$(sudo rdmsr -p${core} 0x1a0 -f 38:38)
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if [[ $state -eq 1 ]]; then
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echo "core ${core}: disabled"
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else
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echo "core ${core}: enabled"
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fi
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done
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