On Thu, 2009-01-22 at 14:12 +0200, Avi Kivity wrote: > My worry with this change is that increases cpu utilization even more > than it increases bandwidth, so that our bits/cycle measure decreases. Yep, agreed it's important to watch out for this. > The descriptors (and perhaps data) are likely on the same cache as the > vcpu, and moving the transmit to the iothread will cause them to move to > the iothread's cache. We flush from the I/O thread right now. We only ever flush from the vcpu thread when the ring fills up, which rarely happens from what I've observed. Cheers, Mark. -- 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
