Hi!
On Sun, Nov 08, 2015 at 04:12:31AM +0800, Shonn Lu wrote:
> Signed-off-by: Shonn Lu <countryside...@qq.com>
> ---
> .../linux/oxnas/base-files/init.d/set-irq-affinity | 21
> +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100755 target/linux/oxnas/base-files/init.d/set-irq-affinity
>
> diff --git a/target/linux/oxnas/base-files/init.d/set-irq-affinity
> b/target/linux/oxnas/base-files/init.d/set-irq-affinity
> new file mode 100755
> index 0000000..89c1622
> --- /dev/null
> +++ b/target/linux/oxnas/base-files/init.d/set-irq-affinity
> @@ -0,0 +1,21 @@
> +#!/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 sata 2
> + set_irq_affinity usb 2
please do this instead:
set_irq_affinity ehci_hcd 2
set_irq_affinity xhci_hcd 2
or allow multiple matches with grep (see below).
As on the KD-20 there is an additional USB 3.0 controller wired via
PCIe. And that should probably also be bound to CPU1.
root@OpenWrt:/# cat /proc/interrupts
CPU0 CPU1
2: 278514 278506 GIC 29 Edge twd
6: 2968 0 GIC 55 Level serial
7: 16295 571 GIC 50 Level 45900000.sata
8: 193006 0 GIC 40 Level eth0
9: 0 0 GIC 49 Level eth0
10: 0 0 GIC 39 Level ehci_hcd:usb3
11: 3136 0 GIC 51 Level xhci-hcd:usb1
FIQ: oxnas-fiq
IPI0: 0 1 CPU wakeup interrupts
IPI1: 0 0 Timer broadcast interrupts
IPI2: 49508 45366 Rescheduling interrupts
IPI3: 0 0 Function call interrupts
IPI4: 20917 108103 Single function call interrupts
IPI5: 0 0 CPU stop interrupts
IPI6: 0 0 IRQ work interrupts
IPI7: 0 0 completion interrupts
Err: 0
root@OpenWrt:/# grep -m 1 "usb" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
10
root@OpenWrt:/# grep "usb" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
10
11
Cheers
Daniel
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