Gerd Hoffmann <kra...@redhat.com> wrote: > Hi, > >> - vga ram by default is not aligned in a page number multiple of 64, >> >> it could be optimized. Kraxel? It syncs the kvm bitmap at least 1 >> a second or so? bitmap is only 2048 pages (16MB by default). >> We need to change the ram_addr only > > It is created using memory_region_init_ram(), in vga_common_init(). > Nothing special is done to avoid/force any alignment. > Dunno why it ends up on a odd page number. > >> - vga: still more, after we finish migration, vga code continues >> synchronizing the kvm bitmap on source machine. Notice that there >> is no graphics client connected to the VGA. Worth investigating? > > Yep, needed to figure updated screen areas. It never stops completely, > but the refresh rate should be alot lower with no vnc client connected, > something like once every few seconds without client vs. 30x per second > with client.
When the guest is stopped you really need to ask kvm for changes? strange, no? Later, Juan.
