Am Montag, 9. Juli 2007 schrieb Alan Stern:
> On Mon, 9 Jul 2007, Oliver Neukum wrote:
>
> > Am Freitag, 6. Juli 2007 schrieb Alan Stern:
> > > This patch (as929) adds usb_autopm_get_interface_burst() to the
> > > autosuspend programming interface. It is intended for situations
> > > where I/O events occur in bursts of activity; it reduces overhead by
> > > not cancelling the device's autosuspend timer.
> >
> > Do you have numbers on how many del/mod_timer cycles you need
> > to outweigh one timer firing needlessly? Under which circumstances should
> > this API be used?
>
> I don't have any hard numbers. In fact, I can't even think of a good
> way to get them. Do you have any suggestions?
How about reading from a flash drive and measuring CPU utilization?
Regards
Oliver
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