On Sun, 2015-11-15 at 13:13 +0800, 高强 wrote: > Hi,alls > > As we know,xen 4+ maintains a dirty bitmap. Snapshot or migration > will use this bitmap. When the guest domain changes the memory page， VMM > can capture it and set dirty bitmap to 1. > > But I can't know how VMM to maintain this dirty bitmap. Under what > circumstances VMM will set the dirty page bitmap to 1, and how to track > the page is be dirty?
The keyword you are looking for is "logdirty". Grepping the source base for that should get you on the right track. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
