Re: measuring usb transfer throughput

["Bahadir Balban" <bahadir.balban@xxxxxxxxx>]

On 4/4/06, Greg KH <greg@xxxxxxxxx> wrote:
> No, use usbfs to send raw data down to a device that you know can handle
> line speeds in order to measure the kernel throughput.  Otherwise you
> are only testing the throughput of the USB device itself (which is
> almost always slower than what the kernel can provide.)

Thanks, I will look into this.

> What do you really want to test this for?  What are you expecting to do
> with the results?

I want to learn what maximum USB throughput we can get out of a
particular platform with the added effect of a combination of factors,
such as the host controller and memory access speed on this platform.
(it's a memory-mapped embedded host controller).

Thanks,
Bahadir

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