On 11 Apr 2014, at 19:27, Daniel O'Connor <docon...@gsoft.com.au> wrote:
> On 11 Apr 2014, at 17:58, Hans Petter Selasky <h...@selasky.org> wrote:
>> On 04/11/14 09:29, Daniel O'Connor wrote:
>>> On 11 Apr 2014, at 16:06, Hans Petter Selasky <h...@selasky.org> wrote:
>>> Finally, I ran systat -vmstat 1 while running the test and I see 4000 
>>> IRQ/sec on the xhci device, not 8000 as your comment above would suggest.
>> Looks like a bug there. Can you try this patch:
>> http://svnweb.freebsd.org/changeset/base/264340
> That gives a definite improvement to 187MB/sec, thanks!

Using a usb_fifo_* based driver I get over 220MB/sec.

That should tide me over for a while :)

If you're in Adelaide some time I owe you some beers.

Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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