On Thu, Jan 12, 2012 at 09:56:39AM +1100, Benjamin Herrenschmidt wrote: > I'd suggest doing a simple user space app that creates such a ring, > forks, and produce / consume. We can then run that through perf and > analyze the cache behaviour, maximum throughput, etc.... > > Cheers, > Ben.
Sure. You can also use my tools/virtio hack: this rebuilds virtio ring code in userspace, has the advantage of reusing actual kernel code, so it's up to date, has same barriers, etc. -- MST _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
