Hi Paolo,
On 2017/7/27 22:15, Paolo Bonzini wrote:
On 27/07/2017 04:36, Jay Zhou wrote:
Qemu_savevm_state_cleanup takes about 300ms in my ram migration tests
with a 8U24G vm(20G is really occupied), the main cost comes from
KVM_SET_USER_MEMORY_REGION ioctl when mem.memory_size = 0 in
kvm_set_us
On 27/07/2017 04:36, Jay Zhou wrote:
> Qemu_savevm_state_cleanup takes about 300ms in my ram migration tests
> with a 8U24G vm(20G is really occupied), the main cost comes from
> KVM_SET_USER_MEMORY_REGION ioctl when mem.memory_size = 0 in
> kvm_set_user_memory_region. In kmod, the main cost is
> k
Qemu_savevm_state_cleanup takes about 300ms in my ram migration tests
with a 8U24G vm(20G is really occupied), the main cost comes from
KVM_SET_USER_MEMORY_REGION ioctl when mem.memory_size = 0 in
kvm_set_user_memory_region. In kmod, the main cost is
kvm_zap_obsolete_pages, which traverses the acti