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zuyu/disable-node-1-cores

Created February 19, 2018 18:12
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Disable cores in Node 1.
Raw
disable-node-1-cores
#!/bin/bash
typeset -i state
for i in /sys/devices/system/cpu/cpu[0-9]*; do
if [ -d ${i}/node1 ]; then
state="$(<${i}/online)"
echo -n "$((1-state))" > "${i}/online"
echo "switched ${i}/online to $((1-state))"
fi
done
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