Shehbaz Jaffer wrote: > I want to determine the amount of screen activity taking place on VGA > monitor/ Screen for different applications (eg. playing vlc video, normal > typing.) > > When I do not start the X server, I can easily determine the screen activity > by counting the number of pages accessed in the region 0xA0000 - 0xBffff > (This is the VGA Monitor region in boot screen). > > However when I start the X Server, A diffrent set of pages are hit. Could > anyone please explain how the VGA Monitor works in QEMU? Or if someone could > suggest an alternate solution to determine amount of screen activity while > playing diffrent applications? > > [NOTE : I have already checked for the region where X server pages are mapped > using cat /proc/iomem. But pages are not getting written to the "possible" X > server mmapped region.] > > Regards,
If you define "screen activity" = "number of pages accessed in the range 0xa0000-0xbffff per unit of time", you could keep your thing going by just using the generic "vga" driver in your Xorg configuration, and that would keep your model valid I think. Claudio