On Sun, Oct 04, 2015 at 10:47:58AM +0100, Greg KH wrote: > On Mon, Sep 07, 2015 at 02:13:57PM +0800, Peter Chen wrote: > > The bulk queue tests are used to show 'best performance' for bulk > > transfer, we are often asked this question by users. The implementation > > is the same with iso test, that is queue request at interrupt completion, > > so we reuse the iso structures, and rename them as common one. > > > > It's result should be very close to IC simulation, in order > > to get that, the device side should also need to prepare enough > > queue. > > > > We have got the 'best performance' (IN: 41MB, OUT: 39MB) at i.mx platform > > (USB2, ARM Cortex A9, stream mode need to enable) with below command: > > > > Host side: > > modprobe usbtest > > ./testusb -a -t 27 -g 64 -s 16384 > > ./testusb -a -t 28 -g 64 -s 16384 > > Gadget side: > > modprobe g_zero loopdefault=1 qlen=64 buflen=16384 > > > > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> > > --- > > drivers/usb/misc/usbtest.c | 104 +++++++++++++++++++++++++++++++-------------- > > 1 file changed, 73 insertions(+), 31 deletions(-) > > Doesn't apply to the usb-next branch :( The other usb-test changes are applied at Felipe's tree, this one is based on those change. Felipe, would you please help to queue it? -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
