openwrt/target/linux/oxnas/base-files/init.d/set-irq-affinity
John Crispin 4223e47c19 oxnas: set irq of usb&sata to cpu1
V2:
The KD-20 also has USB 3.0.I modiy the set_irq_affinity usb 2 to set_irq_affinity ?hci_hcd 2 to bind usb 2.0&3.0 to cpu1.

Signed-off-by: Shonn Lu <countrysideboy@qq.com>

SVN-Revision: 47618
2015-11-24 18:29:14 +00:00

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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
}