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15 lines
417 B
Bash
Executable File
15 lines
417 B
Bash
Executable File
#!/bin/bash
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if [ "$EUID" -ne 0 ]; then
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echo "This script must be run as root" 1>&2
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exit 1
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fi
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for cpu in /sys/devices/system/cpu/cpu[1-9]*; do
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if [ -e "$cpu/topology/thread_siblings_list" ]; then
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sibling=$(awk -F '[^0-9]' '{ print $2 }' $cpu/topology/thread_siblings_list)
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if [ ! -z $sibling ]; then
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echo 0 > "/sys/devices/system/cpu/cpu$sibling/online"
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fi
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fi
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done |