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 GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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