From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony PERARD Subject: Re: OVMF very slow on AMD Date: Wed, 27 Jul 2016 12:08:04 +0100 Message-ID: <20160727110804.GN1835@perard.uk.xensource.com> References: <20160714155307.GK1729@perard.uk.xensource.com> <20160715134831.GB16867@char.us.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Boris Ostrovsky Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBKdWwgMTUsIDIwMTYgYXQgMTE6MjI6NDVBTSAtMDQwMCwgQm9yaXMgT3N0cm92c2t5 IHdyb3RlOgo+IE9uIDA3LzE1LzIwMTYgMDk6NDggQU0sIEtvbnJhZCBSemVzenV0ZWsgV2lsayB3 cm90ZToKPiA+IE9uIFRodSwgSnVsIDE0LCAyMDE2IGF0IDA0OjUzOjA3UE0gKzAxMDAsIEFudGhv bnkgUEVSQVJEIHdyb3RlOgo+ID4+IEhpLAo+ID4+Cj4gPj4gSSd2ZSBiZWVuIGludmVzdGlnYXRp bmcgd2h5IE9WTUYgaXMgdmVyeSBzbG93ICBpbiBhIFhlbiBndWVzdCBvbiBhbiBBTUQKPiA+PiBo b3N0LiBUaGlzLCBJIHRoaW5rLCBpcyB0aGUgY3VycmVudCBmYWlsdXJlIHRoYXQgb3NzdGVzdCBp cyBoYXZpbmcuCj4gPj4KPiA+PiBJJ3ZlIG9ubHkgbG9vayBhdCBhIHNwZWNpZmljIHBhcnQgb2Yg T1ZNRiB3aGVyZSB0aGUgc2xvd2Rvd24gaXMgdmVyeQo+ID4+IG9idmlvdXMgb24gQU1EIHZzIElu dGVsLCB0aGUgZGVjb21wcmVzc2lvbi4KPiA+Pgo+ID4+IFRoaXMgaXMgd2hhdCBJIGdldCBvbiBB TUQsIHZpYSB0aGUgWGVuIHNlcmlhbCBjb25zb2xlIHBvcnQ6Cj4gPj4gICBJbnZva2luZyBPVk1G IC4uLgo+ID4+ICAgU2VjQ29yZVN0YXJ0dXBXaXRoU3RhY2soMHhGRkZDQzAwMCwgMHg4MTgwMDAp Cj4gPj4gdGhlbiwgbm90aGluZyBmb3IgYWxtb3N0IDEgbWludXRlLCB0aGVuIHRoZSByZXN0IG9m IHRoZSBib290IHByb2Nlc3MuCj4gPj4gVGhlIHNhbWUgYmluYXJ5IG9uIEludGVsLCB0aGUgb3V0 cHV0IGRvZXMgbm90IHN0YXkgInN0dWNrIiBoZXJlLgo+ID4+Cj4gPj4gSSBjb3VsZCBwaW4tcG9p bnQgd2hpY2ggcGFydCBvZiB0aGUgYm9vdCBwcm9jZXNzIHRha2VzIGEgbG9uZyB0aW1lLCBidXQK PiA+PiB0aGVyZSBpcyBub3QgYW55dGhpbmcgb2J2aW91cyBpbiB0aGVyZSwganVzdCBhIGxvb3Ag dGhhdCBkZWNvbXByZXNzIHRoZQo+ID4+IG92bWYgYmluYXJ5LCB3aXRoIHBsZW50eSBvZiBpdGVy YXRpb24uCj4gPj4gSSB0cmllZCBgeGVudHJhY2UnLCBidXQgdGhlIHRyYWNlIGRvZXMgbm90IHNo b3cgYW55dGhpbmcgd3JvbmcsIHRoZXJlIGlzCj4gPj4ganVzdCBhbiBpbnRlcnJ1cHQgZnJvbSB0 aW1lIHRvIHRpbWUuIEkndmUgdHJpZWQgdG8gaGFkIHNvbWUgdHJhY2Vwb2ludAo+ID4+IGluc2lk ZSB0aGlzIGRlY29tcHJlc2lvbiBmdW5jdGlvbiBpbiBPVk1GLCBidXQgdGhhdCBkaWQgbm90IHJl dmVhbAo+ID4+IGFueXRoaW5nIGVpdGhlciwgbWF5YmUgdGhlcmUgd2hlcmUgbm90IGF0IHRoZSBy aWdodCBwbGFjZS4KPiA+Pgo+ID4+IEFueXdheSwgdGhlIGZ1bmN0aW9uIGlzOiBMem1hRGVjX0Rl Y29kZVJlYWwoKSBmcm9tIHRoZSBmaWxlCj4gPj4gSW50ZWxGcmFtZXdvcmtNb2R1bGVQa2cvTGli cmFyeS9Mem1hQ3VzdG9tRGVjb21wcmVzc0xpYi9TZGsvQy9Mem1hRGVjLmMKPiA+PiB5b3UgY2Fu IGdldCB0aGUgYXNzZW1ibHkgZnJvbSB0aGlzIG9iamVjdDoKPiA+PiBCdWlsZC9Pdm1mWDY0L0RF QlVHX0dDQzQ5L1g2NC9JbnRlbEZyYW1ld29ya01vZHVsZVBrZy9MaWJyYXJ5L0x6bWFDdXN0b21E ZWNvbXByZXNzTGliL0x6bWFDdXN0b21EZWNvbXByZXNzTGliL09VVFBVVC9TZGsvQy9Mem1hRGVj Lm9iago+ID4+IFRoaXMgaXMgd2l0aCBPVk1GIHVwc3RyZWFtIChodHRwczovL2dpdGh1Yi5jb20v dGlhbm9jb3JlL2VkazIpLgo+IAo+IEkgZG9uJ3Qga25vdyB3aGV0aGVyIGl0J3MgcG9zc2libGUg YnV0IGNhbiB5b3UgZXh0cmFjdCB0aGlzIGxvb3Agc29tZWhvdwo+IGFuZCBydW4gaXQgb24gYmFy ZW1ldGFsPyBPciBydW4gdGhlIHdob2xlIHRoaW5nIG9uIGJhcmVtZXRhbC4KCkkgdGhpbmsgSSd2 ZSBtYW5hZ2VkIHRvIHJ1biB0aGUgc2FtZSBmdW5jdGlvbiwgd2l0aCB0aGUgc2FtZSBpbnB1dCwg YXMgYQpsaW51eCBwcm9jZXNzLgoKQW5kLCBldmVuIHdpdGhpbiB0aGUgZ3Vlc3QsIGl0IHRha2Vz IGFib3V0IDAuM3MgdG8gcnVuLCB2ZXJzdXMgYWJvdXQgNjBzCndoZW4gT1ZNRiBib290LgoKQ291 bGQgaXQgYmUgdGhhdCwgZm9yIHNvbWUgcmVhc29uLCBhY2Nlc3MgdG8gdGhlIG1lbW9yeSBpcyB1 bmNhY2hlZD8KT25seSBvbiBBTUQ/IEFuZCBsYXRlciwgTGludXggaXMgZG9pbmcgdGhlIHJpZ2h0 IHRoaW5ncz8KCkkgY2FuIHRyeSB0byBkZXNjcmliZSBob3cgT1ZNRiBpcyBzZXR0aW5nIHVwIHRo ZSBtZW1vcnkuCgoKPiBBbHNvIGEgbmV3ZXIgY29tcGlsZXIgbWlnaHQgcG90ZW50aWFsbHkgbWFr ZSBhIGRpZmZlcmVuY2UgKGlmIHlvdSBhcmUKPiBydW5uaW5nIG9uIHNvbWV0aGluZyBvbGRlciku CgpJIGhhdmUgZ2NjIChHQ0MpIDYuMS4xIDIwMTYwNzA3LiBJIHRoaW5rIHRoYXQgbmV3IGVub3Vn aCwgb3IgdG9vIG5ldwptYXliZS4KCi0tIApBbnRob255IFBFUkFSRAoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==