openwrt/target/linux/oxnas/base-files/init.d/set-irq-affinity

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#!/bin/sh /etc/rc.common
START=99
get_irq() {
local name="$1"
grep -m 1 "$name" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
}
set_irq_affinity() {
local name="$1"
local val="$2"
local irq="$(get_irq "$name")"
[ -n "$irq" ] || return
echo "$val" > "/proc/irq/$irq/smp_affinity"
}
start() {
set_irq_affinity ehci_hcd 2
set_irq_affinity xhci_hcd 2
set_irq_affinity sata 2
}