Hi On Wed, Jun 11, 2025 at 4:34 PM Peter Xu <pet...@redhat.com> wrote:
> On Wed, May 21, 2025 at 05:16:13PM +0200, Juraj Marcin wrote: > > From: Juraj Marcin <jmar...@redhat.com> > > > > If a virtual machine is paused for an extended period time, for example, > > due to an incoming migration, there are also no changes on the screen. > > VNC in such case increases the display update interval by > > VNC_REFRESH_INTERVAL_INC (50 ms). The update interval can then grow up > > to VNC_REFRESH_INTERVAL_MAX (3000 ms). > > > > When the machine resumes, it can then take up to 3 seconds for the first > > display update. Furthermore, the update interval is then halved with > > each display update with changes on the screen. If there are moving > > elements on the screen, such as a video, this can be perceived as > > freezing and stuttering for few seconds before the movement is smooth > > again. > > > > This patch resolves this issue, by adding a listener to VM state changes > > and changing the update interval when the VM state changes to RUNNING. > > The update_displaychangelistener() function updates the internal timer, > > and the display is refreshed immediately if the timer is expired. > > > > Signed-off-by: Juraj Marcin <jmar...@redhat.com> > > [add Dan] > > Ping - anyone is willing to pick this one up? > I haven't started gathering pending UI patches. Feel free to pick it up
