From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: OVMF very slow on AMD Date: Thu, 28 Jul 2016 20:44:59 +0100 Message-ID: <97ba5ce9-226f-71e7-3d5f-3be225fce631@citrix.com> References: <20160714155307.GK1729@perard.uk.xensource.com> <20160715134831.GB16867@char.us.oracle.com> <20160727110804.GN1835@perard.uk.xensource.com> <20160727113539.GO1835@perard.uk.xensource.com> <20160728101807.GP1835@perard.uk.xensource.com> <457e48f9-9116-8c86-02c4-ac9fd9d274a1@citrix.com> <4217cf61-6ac2-f568-5a6c-cc9478ffd1b1@oracle.com> <794706be-5679-83d4-6af9-30cd19b26fc3@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <794706be-5679-83d4-6af9-30cd19b26fc3@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Boris Ostrovsky , George Dunlap , Anthony PERARD Cc: "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org T24gMjgvMDcvMTYgMjA6MjUsIEJvcmlzIE9zdHJvdnNreSB3cm90ZToKPiBPbiAwNy8yOC8yMDE2 IDExOjUxIEFNLCBBbmRyZXcgQ29vcGVyIHdyb3RlOgo+PiBPbiAyOC8wNy8xNiAxNjoxNywgQm9y aXMgT3N0cm92c2t5IHdyb3RlOgo+Pj4gT24gMDcvMjgvMjAxNiAwNjo1NCBBTSwgQW5kcmV3IENv b3BlciB3cm90ZToKPj4+PiBPbiAyOC8wNy8xNiAxMTo0MywgR2VvcmdlIER1bmxhcCB3cm90ZToK Pj4+Pj4gT24gVGh1LCBKdWwgMjgsIDIwMTYgYXQgMTE6MTggQU0sIEFudGhvbnkgUEVSQVJECj4+ Pj4+IDxhbnRob255LnBlcmFyZEBjaXRyaXguY29tPiB3cm90ZToKPj4+Pj4+IE9uIFdlZCwgSnVs IDI3LCAyMDE2IGF0IDAzOjQ1OjIzUE0gLTA0MDAsIEJvcmlzIE9zdHJvdnNreSB3cm90ZToKPj4+ Pj4+PiBPbiAwNy8yNy8yMDE2IDA3OjM1IEFNLCBBbnRob255IFBFUkFSRCB3cm90ZToKPj4+Pj4+ Pj4gT24gV2VkLCBKdWwgMjcsIDIwMTYgYXQgMTI6MDg6MDRQTSArMDEwMCwgQW50aG9ueSBQRVJB UkQgd3JvdGU6Cj4+Pj4+Pj4+PiBJIGNhbiB0cnkgdG8gZGVzY3JpYmUgaG93IE9WTUYgaXMgc2V0 dGluZyB1cCB0aGUgbWVtb3J5Lgo+Pj4+Pj4+PiBGcm9tIHRoZSBzdGFydCBvZiB0aGUgZGF5Ogo+ Pj4+Pj4+PiBzZXR1cCBnZHQKPj4+Pj4+Pj4gY3IwID0gMHg0MDAwMDAyMwo+Pj4+Pj4+IEkgdGhp bmsgdGhpcyBpcyBzbGlnaHRseSBvZGQsIHdpdGggYml0IDMwIChjYWNoZSBkaXNhYmxlKSBzZXQu IEknZAo+Pj4+Pj4+IHN1c3BlY3QgdGhhdCB0aGlzIHdvdWxkIGFmZmVjdCBib3RoIEludGVsIGFu ZCBBTUQgdGhvdWdoLgo+Pj4+Pj4+Cj4+Pj4+Pj4gQ2FuIHlvdSB0cnkgY2xlYXJpbmcgdGhpcyBi aXQ/Cj4+Pj4+PiBUaGF0IHdvcmtzLi4uCj4+Pj4+Pgo+Pj4+Pj4gSSB3b25kZXIgd2h5IGl0IGRv ZXMgbm90IGFwcGVhciB0byBhZmZlY3QgSW50ZWwgb3IgS1ZNLgo+Pj4+PiBBcmUgdGhvc2UgYml0 cyBoYXJkLWNvZGVkLCBvciBhcmUgdGhleSBzZXQgYmFzZWQgb24gdGhlIGhhcmR3YXJlCj4+Pj4+ IHRoYXQncyBhdmFpbGFibGU/Cj4+Pj4+Cj4+Pj4+IElzIGl0IHBvc3NpYmxlIHRoYXQgdGhlIHBh cnRpY3VsYXIgY29tYmluYXRpb24gb2YgQ1BVSUQgYml0cyBwcmVzZW50ZWQKPj4+Pj4gYnkgWGVu IG9uIEFNRCBhcmUgY2F1c2luZyBhIGRpZmZlcmVudCB2YWx1ZSB0byBiZSB3cml0dGVuPwo+Pj4+ Pgo+Pj4+PiBPciBpcyBpdCBwb3NzaWJsZSB0aGF0IHRoZSBjYWNoZSBkaXNhYmxlIGJpdCBpcyBi ZWluZyBpZ25vcmVkIChieSBYZW4pCj4+Pj4+IG9uIEludGVsIGFuZCBLVk0/Cj4+Pj4gSWYgYSBn dWVzdCBoYXMgbm8gaGFyZHdhcmUsIHRoZW4gaXQgaGFzIG5vIHJlYXNvbiB0byBhY3R1YWxseSBk aXNhYmxlCj4+Pj4gY2FjaGVzLiAgV2Ugc2hvdWxkIGhhdmUgbG9naWMgdG8gY2F0Y2ggdGhpcyBh biBhdm9pZCBhY3R1YWxseSBkaXNhYmxpbmcKPj4+PiBjYWNoZXMgd2hlbiB0aGUgZ3Vlc3QgYXNr cyBmb3IgaXQuCj4+PiBJcyB0aGlzIHJlYWxseSBzYWZlIHRvIGRvPyBDYW4ndCBhIGd1ZXN0IGRl Y2lkZSB0byBkaXNhYmxlIGNhY2hlIHRvCj4+PiBhdm9pZCBoYXZpbmcgdG8gZGVhbCB3aXRoIGNv aGVyZW5jeSBpbiBTVz8KPj4gV2hhdCBTVyBjb2hlcmVuY3kgaXNzdWUgZG8geW91IHRoaW5rIGNh biBiZSBzb2x2ZWQgd2l0aCBkaXNhYmxpbmcgdGhlIGNhY2hlPwo+Pgo+PiB4ODYgaGFzIHN0cmlj dCBvcmRlcmluZyBvZiB3cml0ZXMgYW5kIHJlYWRzIHdpdGggcmVzcGVjdCB0byBlYWNoIG90aGVy LiAKPj4gVGhlIG9ubHkgY2FzZSB3aGljaCBjYW4gYmUgb3V0IG9mIG9yZGVyIGlzIHJlYWRzIHBy b21vdGVkIGFoZWFkIG9mCj4+IHVuYWxpYXNpbmcgd3JpdGVzLgo+IFJpZ2h0LCB0aGF0IHdhcyBu b3QgYSBnb29kIGV4YW1wbGUuCj4KPj4+IEFzIGZhciBhcyBJbnRlbCB2cyBBTUQgaW1wbGVtZW50 YXRpb24gaW4gWGVuLCB3ZSBoYXZlIHZteF9oYW5kbGVfY2QoKQo+Pj4gYnV0IG5vIGNvcnJlc3Bv bmRpbmcgU1ZNIGNvZGUuIENvdWxkIGl0IGJlIHRoYXQgd2UgbmVlZCB0byBzZXQgZ1BBVCwgZm9y Cj4+PiBleGFtcGxlPwo+PiBBIGJldHRlciBhcHByb2FjaCB3b3VsZCBiZSB0byBmaW5kIG91dCB3 aHkgb3ZtZiBpbnNpc3RzIG9uIGRpc2FibGluZwo+PiBjYWNoZXMgYXQgYWxsLiAgRXZlbiBpZiB3 ZSBvcHRpbWlzZSB0aGUgbm9uLVBDSS1kZXZpY2UgY2FzZSBpbiB0aGUKPj4gaHlwZXJ2aXNvciwg YSBwYXNzdGhyb3VnaCBjYXNlIHdpbGwgc3RpbGwgcnVuIGxpa2UgdHJlYWNsZSBpZiBjYWNoZXMg YXJlCj4+IGRpc2FibGVkLgo+IFRydWUsIHdlIHNob3VsZCB1bmRlcnN0YW5kIHdoeSBPVk1GIGRv ZXMgdGhpcy4gQnV0IEkgdGhpbmsgd2UgYWxzbyBuZWVkCj4gdG8gdW5kZXJzdGFuZCB3aGF0IG1h a2VzIEludGVsIHJ1biBmYXN0ZXIuIE9yIGlzIGl0IGFscmVhZHkgY2xlYXIgZnJvbQo+IHZteF9o YW5kbGVfY2QoKT8KCldvdyB0aGlzIGNvZGUgaXMgaGFyZCB0byBmb2xsb3cgOigKCmhhbmRsZV9j ZCgpIGlzIG9ubHkgY2FsbGVkIHdoZW4gYW4gSU9NTVUgaXMgZW5hYmxlZCBhbmQgdGhlIGRvbWFp biBpbgpxdWVzdGlvbiBoYXMgYWNjZXNzIHRvIHJlYWwgaW9wb3J0cyBvciBQQ0kgZGV2aWNlcy4K Ckhvd2V2ZXIsIEkgcmVhbGx5IGNhbid0IHNwb3QgYW55dGhpbmcgdGhhdCBlbmRzIHVwIGVsaWRp bmcgdGhlCmNhY2hlLWRpc2FibGUgc2V0dGluZyBldmVuIGZvciBJbnRlbC4gIFRoaXMgY2xlYXJs eSBuZWVkcyBmdXJ0aGVyCmludmVzdGlnYXRpb24uCgp+QW5kcmV3CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK