irqbalance is a Linux daemon that distributes interrupts over the
processors and cores you have in your computer system. The design goal
of irqbalance is to find a balance between power savings and optimal
performance. To a large degree, the work irqbalance does is invisible
to you; if irqbalance performs its job correctly, nobody will ever notice
it's there or want to turn it off.
It is recommended to run irqbalance from the system boot-scripts. For
example, add the following lines to /etc/rc.d/rc.local:
if [ -x /usr/sbin/irqbalance ]; then
/usr/sbin/irqbalance
fi
Options that you can pass to the command are described in the man page.
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