I don't think that I've got the time to make tests the next two weeks, but I'll do that as soon as possible.
Regards, Thorsten -----Ursprüngliche Nachricht----- Von: "Alan Stern" <[EMAIL PROTECTED]> An: "Thorsten Wiedemer" <[EMAIL PROTECTED]> Cc: <linux-usb-devel@lists.sourceforge.net> Gesendet: Freitag, 11. August 2006 17:37 Betreff: Re: [linux-usb-devel] Device connect timing > On Fri, 11 Aug 2006, Thorsten Wiedemer wrote: > > > Hi ! > > > > Thanks for the quick answers ! > > > > > You shouldn't make timing measurements based on when things show up in > > > /var/log/messages. That file is maintained by the syslog daemon, which > > > does not necessarily add entries as soon as they are available. Instead > > > you should use dmesg (there is a CONFIG option to add high-resolution > > > timestamps to the log entries in later kernels), or monitor the contents > > > of /proc/bus/usb/devices. > > > > Well, I know that /var/log/messages is not the right place to make accurate > > timing measurements. > > This was just to give a number. One second more ore less doesn't really > > matter at the moment. > > > > > It would help to have more detailed timing comparisons, to see where the > > > extra time is being spent. > > > > Would it be enough to turn on the USB debug config flag to have the more > > detailed timing comparisons needed or should there be added some more debug > > prints? > > Turning on CONFIG_USB_DEBUG and CONFIG_PRINTK_TIME would be a good way to > start. Do that, and we'll see if more information is needed. > > Alan Stern > ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
