| Message ID | 1448264623-12541-1-git-send-email-countrysideboy@qq.com |
|---|---|
| State | Accepted |
| Headers | show |
On Mon, Nov 23, 2015 at 8:43 AM, Shonn Lu <countrysideboy@qq.com> wrote:
>Subject: oxnas: set irq of usb&sata to cpu1
Why? Please explain why this is needed/wanted.
Jonas
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..8ab066f --- /dev/null +++ b/target/linux/oxnas/base-files/init.d/set-irq-affinity @@ -0,0 +1,22 @@ +#!/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 +}
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> --- .../linux/oxnas/base-files/init.d/set-irq-affinity | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 target/linux/oxnas/base-files/init.d/set-irq-affinity