Re: [Qemu-devel] bad USB tablet update rate on qemu-1.0

[Erik Rull]

Erik Rull wrote:
> Erik Rull wrote:
> > Erik Rull wrote:
> > > Anthony Liguori wrote:
> > > > On 12/19/2011 03:33 PM, Erik Rull wrote:
> > > > > Hi all,
> > > > >
> > > > > coming from qemu 0.14 the usbdevice tablet update rate gets really bad in
> > > > > qemu-1.0 with the same guest.
> > > >
> > > > What's the specific guest?
> > > >
> > > > Regards,
> > > >
> > > > Anthony Liguori
> > >
> > > It's a Windows XP guest. It was fine in 0.14
> > >
> > > Thanks.
> > >
> > > Best regards,
> > >
> > > Erik
> >
> > Any progress here? I tested it on another CPU board there it was worse -
> > only 1-2 cursor updates per second :-(
> > I tried to use the wacom-tablet but didn't find a driver that works.
> >
> > Best regards,
> >
> > Erik
>
> Hi all,
>
> today I tested some stuff with VNC for remote access of the VM - there the
> update rate of the USB tablet (mouse cursor) was really great. So the
> question is now:
> - Same host operating system for 0.14 and 1.0
> - Same command line parameters beside the vnc option
> Why is the native mouse on the qemu 0.14 system good for both vnc and
> native and on the qemu 1.0 system only good for vnc and bad for the native
> hardware mouse?
>
> Maybe this helps finding the source of evil...
> If you have ideas what to change / patches to test, just let me know.
>
> Best regards,
>
> Erik

Hi all,

I additionally tested -std vga to exclude that it might be related to the 
cirrus emulation - but same result. So there seems to be a difference 
between the captured cursor for the native X-Windows window and the VNC 
window that occured somewhere between 0.14 and 1.0.

Best regards,

Erik