On Fri, 15 Apr 2005, Lothar Wassmann wrote:
> Hi, > > On Fri, 15 Apr 2005, Olav Kongas wrote: > > Leaving aside what may be "the best" way to measure the USB > > performance, I did it with usb-2.0 memory stick, which was > > the only device attached at the measurement time. With this > > controller, it's in full speed mode, of course. Mounting a > > stick that contained a 16 MB file and issuing: > > > > time if=a_16MB_file_on_stick of=/dev/null bs=16k > > > I'd rather read data from the raw device than from a file system on > top of it, thus: > time dd if=/dev/sda of=/dev/null bs=16k count=1024 You are right, thanks. This pushed the rate to 742 kiB/s. Olav ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
