Il 05/03/2014 09:01, Zhanghailiang ha scritto: > Hi all： > > Currently, we use cgroup(memory) to support memory QoS on KVM platform, > and use "mlock" on qemu to support "memory reserved". > > The "mlock" seems to be not appropriate. > > Now qemu "mlock" memory in the main thread, which would lock iothread > (qemu_mutex_lock_iothread), if the memory size is large, that will > consume lots of time. > > It means whenever we want to set a new 'mlock', the VM would be blocked > for a while. I'm not sure I understand how the mlock-ed memory is used. Are you using a custom malloc, for example with g_mem_set_vtable? Paolo -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list