Hi Tianyou, On Mon, Apr 18, 2016 at 5:50 AM, Li, Tianyou <tianyou...@intel.com> wrote: > Currently we are trying to implement below functionalities in QEmu: main > memory in guest can be logically viewed as persistent and its content can be > survived through reboot or shutdown/powerup. > > I have looked into the QEmu memory management code include memory.c, exec.c > and other related source, unfortunately I do not have the chance to get clue > of how to make QEmu main memory persistent. I found that pmemsave could dump > physical memory of guest, but I could not find how to restore the dump file > before VM startup to execution. > > > > Could anyone provide some hints to me? Thanks in advance!
Is the option "-mem-path=/path/to/mem-file" what you are looking for? Stefan wrote a nice post about QEMU RAM internals: http://blog.vmsplice.net/2016/01/qemu-internals-how-guest-physical-ram.html Regards, Artyom -- Regards, Artyom Tarasenko SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu
