Category Archives: qemu

Use the Qemu guest agent with Memory Overcommitment Manager

Qemu now has an official guest agent. Programs on a KVM host can now talk to guests using a virtual hardware channel (either virtio-serial or an emulated ISA serial port). Using this mechanism, it is now possible to reliably power … Continue reading

Posted in KVM, libvirt, MOM, qemu | 37 Comments

A crazy idea to improve QEMU/Libvirt interoperability

On two separate occasions I have had the opportunity to enable a new QEMU API in libvirt. The first API is a memory statistics reporting interface that can be useful for managing guest memory ballooning. (For the curious, this is … Continue reading

Posted in libvirt, qemu | Leave a comment