Re: [PATCH 1/1] usb: misc: usbtest: add bulk queue test

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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 :(
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