On Tue, Aug 03, 2010 at 07:10:18PM +0300, Avi Kivity wrote: > -kernel and -initrd is a developer's interface intended to make life > easier for users that use qemu to develop kernels. It was not > intended as a high performance DMA engine. Neither was the firmware > _configuration_ interface. That is what virtio and to a lesser > extent IDE was written to perform. You'll get much better results > from them. Firmware configuration replaced something which was already working really fast -- preloading the images into memory -- with something which worked slower, and has just recently got _way_ more slow. This is a regression. Plain and simple. I have posted a small patch which makes this 650x faster without appreciable complication. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://et.redhat.com/~rjones/virt-top -- 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
