On Mon, Aug 06, 2012 at 01:41:07PM +0100, Malcolm Crossley wrote: > On 06/08/12 11:12, Peter Maloney wrote: > >my AMD FX-8150 system with vanilla source code is super slow, both the > >dom0 and domUs. However, after I merge the upstream patches I found in > >the openSUSE rpm, it runs normally. > > > >I tried 4.2-unstable and it was the same. There was no rc1 when I tested > >it about 1.5 weeks ago. And 4.2 has the same horrible performance, and > >obviously those patches won't work any more since the 4.2 code looks > >completely reorganized, so I'm stuck with 4.1.2 > > > >Here is the rpm I was using at the time: > >http://download.opensuse.org/update/12.1/src/xen-4.1.2_16-1.7.1.src.rpm > > > >To see the list of the patches and what order to apply them, see the > >spec file. > > > >Please make sure this performance issue is fixed for the 4.2 release. > >And I would be happy to test whatever files you send me. > > > > > > > >_______________________________________________ > >Xen-devel mailing list > >xen-de...@lists.xen.org > >http://lists.xen.org/xen-devel > I suspect you may need the following patch to improve your 4.1.2 > performance: > > http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/435493696053 > > The cache flush on every C2 transition is very expensive and causes > a large slow down. > > 4.1.3-rc3 already includes that patch so it would be worth testing > that version.
MA Young, could this be back-ported in the F17 and F16. I belive Micahel Petullo setup a bug for that? > > Malcolm > > > > > > _______________________________________________ > Xen-devel mailing list > xen-de...@lists.xen.org > http://lists.xen.org/xen-devel -- xen mailing list email@example.com https://admin.fedoraproject.org/mailman/listinfo/xen