On Mon, Nov 4, 2013 at 4:27 PM, Alan Stern wrote:
> A patch was proposed in the last couple of months to reduce kernel
> overhead for transfers using libusb:
>
> http://marc.info/?l=linux-usb&m=138046339714340&w=2
>
> The patch would need to be finished and all the relevant comments
> add
On Mon, 4 Nov 2013, Moritz Fischer wrote:
> Hi guys,
>
> This is my first post to this list, so let me quickly introduce myself.
> I'm a software engineer for Ettus Research (National Instruments).
>
> One of our new products [1] is a USB 3.0 (using Cypress FX3) based SDR
> that currently ships
On Mon, Nov 4, 2013 at 2:21 PM, Greg KH wrote:
> Where specifically in the kernel? Busywaiting for data transferrs to
> complete, or doing something else? Are you keeping the pipeline full to
> the device? You should be able to hit USB "line speed" from userspace
> if you just are reading/writ
On Mon, Nov 04, 2013 at 02:06:33PM +0100, Moritz Fischer wrote:
> Hi guys,
>
> This is my first post to this list, so let me quickly introduce myself.
> I'm a software engineer for Ettus Research (National Instruments).
>
> One of our new products [1] is a USB 3.0 (using Cypress FX3) based SDR
>
