Re: What to do with all of the USB UHCI drivers in the kernel?

[Peter Osterlund <petero2@telia.com>]

Greg KH <greg@kroah.com> writes:

>   Let me (and the linux-usb-devel list) know about any thoughts you have
>   pertaining to liking one of the drivers over the other one.  Speed
>   tests, size tests, code pretty tests, comment spelling tests,
>   documentation tests, you name it, I want to know about it.  If you
>   don't want your comments to be public, send them to me directly and I
>   will not let anyone else know what you said, but will use the info to
>   try to pick which one should stay.

I did a simple test reading a bunch of files from a Freecom CDRW
drive.

usb-uhci-hcd           17840   0 (unused)

        pengo:/cdrw$ time wc petero/mp3/madonna/*
        ...
         188462 1091976 50386286 total

        real    1m24.930s
        user    0m10.440s
        sys     0m1.360s

uhci-hcd               24608   0 (unused)

        pengo:/cdrw$ time wc petero/mp3/madonna/*
        ...
         188462 1091976 50386286 total

        real    1m33.095s
        user    0m12.670s
        sys     0m11.870s

So the usb-uhci-hcd driver is 27% smaller, gives a 10% higher transfer
rate and produces less system load during the data transfers. (About
70% idle time versus 50% idle time on my 233MHz MMX system.)

-- 
Peter Osterlund - petero2@telia.com
http://w1.894.telia.com/~u89404340