mirror of
https://github.com/pavel-odintsov/fastnetmon
synced 2024-05-03 22:26:30 +02:00
21 lines
564 B
Bash
Executable File
21 lines
564 B
Bash
Executable File
#!/bin/bash
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# from http://habrahabr.ru/post/108240/
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ncpus=`grep -ciw ^processor /proc/cpuinfo`
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test "$ncpus" -gt 1 || exit 1
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n=0
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for irq in `cat /proc/interrupts | grep eth | awk '{print $1}' | sed s/\://g`
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do
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f="/proc/irq/$irq/smp_affinity"
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test -r "$f" || continue
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cpu=$[$ncpus - ($n % $ncpus) - 1]
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if [ $cpu -ge 0 ]
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then
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mask=`printf %x $[2 ** $cpu]`
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echo "Assign SMP affinity: eth queue $n, irq $irq, cpu $cpu, mask 0x$mask"
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echo "$mask" > "$f"
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let n+=1
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fi
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done
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