16 lines
488 B
Bash
Executable File
16 lines
488 B
Bash
Executable File
#!/bin/bash
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# Be careful to not skip the space at the beginning nor the end
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CPUS_TO_SKIP=" $(cat /sys/devices/system/cpu/cpu*/topology/thread_siblings_list | sed 's/[^0-9].*//' | sort | uniq | tr "\r\n" " ") "
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for CPU_PATH in /sys/devices/system/cpu/cpu[0-9]*; do
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CPU="$(echo $CPU_PATH | tr -cd "0-9")"
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echo "$CPUS_TO_SKIP" | grep " $CPU " > /dev/null
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if [ $? -ne 0 ]; then
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echo 0 > $CPU_PATH/online
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fi
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done
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egrep 'siblings|cpu cores' /proc/cpuinfo | head -2
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