On Mon, Jul 02, 2012 at 04:50:42PM -0500, W. Michael Petullo wrote: > We have seen a significant reduction in performance in our research DomU > OS kernel when running on Fedora 16 with Linux 3.4.2 vs. 3.3.7. We run > a series of benchmarks which are DomU-kernel-space-CPU-heavy; many of > these run 10x slower when using the 3.4.2 Linux kernel as Dom0. > > This is a little surprising---we've been tracking the Fedora kernels for > a long time with no problem like this. Did anyone else notice any changes? > Just to verify.. both the 3.3.7 and 3.4.2 Linux kernel are 'release' builds? and not debug-versions from rawhide? -- Pasi -- xen mailing list xen@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/xen