35 lines
1003 B
Bash
35 lines
1003 B
Bash
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#!/bin/sh
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#
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# WARNING: Binding IRQs to a core will put system at risk of instability
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# even after unbinding, and will require a reboot
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#
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basedir=`dirname $0`
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binding="ix0:0:16 ix0:1:17 ix0:2:18 ix0:3:19 ix0:4:20 ix0:5:21 ix0:6:22 ix0:7:23 ix1:0:24 ix1:1:25 ix1:2:26 ix1:3:27 ix1:4:28 ix1:5:29 ix1:6:30 ix1:7:31"
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release=0
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# if "-r" is given as parameter, threads affinity will be unbound
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if [ $# -gt 0 ]; then
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if [ $1 = "-r" ]; then
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release=1
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fi
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fi
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for l in ${binding}; do
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if [ -n "$l" ]; then
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iface=`echo $l | cut -f 1 -d ":"`
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queue=`echo $l | cut -f 2 -d ":"`
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cpu=`echo $l | cut -f 3 -d ":"`
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irq=`vmstat -i | grep "${iface}:que ${queue}" | cut -f 1 -d ":" | sed "s/irq//g"`
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if [ $release -gt 0 ]; then
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echo "Binding ${iface} queue #${queue} (irq ${irq}) -> CPU${cpu}"
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cpuset -l $cpu -x $irq
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else
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echo "Unbinding ${iface} queue #${queue} (irq ${irq}) -> CPU${cpu}"
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cpuset -l all -x $irq
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fi
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fi
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done
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