Ok this is what I feared, modifying Qemu is the only way to get the dirty bitmap from a VM launched by a Qemu process.. Ans this is definitely what I will do. Thanks again for your help ! Paolo Bonzini <pbonzini@xxxxxxxxxx> a écrit : >Il 05/02/2014 18:17, Vincent KHERBACHE ha scritto: >> Thank you for your reply ! >> >> I take note of your remark about the bitmap clearing, it could be an >> effective issue. >> >> But I really have no idea of how can I 'ask' something the other >process ? > >You modify the source code for that program. :) It's likely QEMU or >kvmtool, in either case it's free software. :) > >Paolo -- Vincent KHERBACHE -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html