> The usb-uhci driver uses a lazy (delayed) TD
> cleanup method that is based on USB interrupts.
dandy. so why are the interrupts continuing at HIGH RATE
when USB is *completely*idle*?
> It's author/maintainer (Georg Acher) has been
> told about this behavior already. I'm not sure
> what his plans are.
this needs to be fixed. I just measured the overhead of this
at 1-2% on my dual celeron/550. lots of people expect Linux to
run reasonably on machines with 1/10 this much power; I expect
this mis-feature costs 10-20% on a P5/166.
regards, mark hahn.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:14 EST