New UMASS driver available for testing
Ulrich Spoerlein
uspoerlein at gmail.com
Tue Oct 3 10:16:02 PDT 2006
Hans Petter Selasky wrote:
> On Saturday 30 September 2006 17:29, Ulrich Spoerlein wrote:
> > As you can see, performance increased by roughly 10%, but system time
> > increased about 300% :(
> >
> > I hope this info was useful to you and am looking forward to seeing your
> > reworked USB system hit the tree soon!
>
> The extra time used is due to an inline wait loop in the code, to make things
> simple.
505856+0 records in
505856+0 records out
258998272 bytes transferred in 1771.034516 secs (146241 bytes/sec)
dd if=/dev/da0 of=/dev/zero bs=$i 0.20s user 3.10s system 0% cpu 29:31.05 total
63232+0 records in
63232+0 records out
258998272 bytes transferred in 775.213552 secs (334099 bytes/sec)
dd if=/dev/da0 of=/dev/zero bs=$i 0.01s user 0.41s system 0% cpu 12:55.23 total
7904+0 records in
7904+0 records out
258998272 bytes transferred in 650.920062 secs (397896 bytes/sec)
dd if=/dev/da0 of=/dev/zero bs=$i 0.00s user 0.07s system 0% cpu 10:50.93 total
988+0 records in
988+0 records out
258998272 bytes transferred in 641.615133 secs (403666 bytes/sec)
dd if=/dev/da0 of=/dev/zero bs=$i 0.00s user 0.03s system 0% cpu 10:41.63 total
123+1 records in
123+1 records out
258998272 bytes transferred in 641.612930 secs (403667 bytes/sec)
dd if=/dev/da0 of=/dev/zero bs=$i 0.00s user 0.04s system 0% cpu 10:41.63 total
Looks good to me, CPU usage is back to the old USB stack, but
performance is up roughly 10%. Nice.
So, when is that stuff going to finally hit -CURRENT? Any schedule?
Ulrich Spoerlein
--
A: Yes.
>Q: Are you sure?
> >A: Because it reverses the logical flow of conversation.
> >>Q: Why is top posting frowned upon?
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