On Mon, Dec 19, 2016 at 03:30:17PM +0100, Paolo Bonzini wrote: > > > On 19/12/2016 14:05, Denis Plotnikov wrote: > >> > > This new patch-set does avoid unnecessary interrupt re-injections - > > checked. > > > > The test (MS Windows, sending messages between multiple windows using > > windows-specific interface), > > which showed performance growth with "[PATCH v2] KVM: x86: avoid > > redundant REQ_EVENT" showed pretty much the same performance level with > > this new patch-set. > > The test score difference (+2.4% to [PATCH v2]) is within the tolerance > > range(5%). > > > > The test score on mainstream v4.9 kernel CPU Intel i5-2400, guest > > Windows Server 2012 2VCPU, 2GB: > > > > without patch: 31510 (+/- 4%) > > with patch: 36270 (+/- 5%) > > > > difference = (36270-31510)/31510 * 100 = +15% -- looks good! > > Awesome! I hope it also qualifies as less ugly. :) Absolutely. FWIW Reviewed-by: Roman Kagan <rkagan@xxxxxxxxxxxxx> Roman. -- 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
