From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: OVMF very slow on AMD Date: Thu, 28 Jul 2016 15:25:03 -0400 Message-ID: <794706be-5679-83d4-6af9-30cd19b26fc3@oracle.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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper , George Dunlap , Anthony PERARD Cc: "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org T24gMDcvMjgvMjAxNiAxMTo1MSBBTSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAyOC8wNy8x NiAxNjoxNywgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+PiBPbiAwNy8yOC8yMDE2IDA2OjU0IEFN LCBBbmRyZXcgQ29vcGVyIHdyb3RlOgo+Pj4gT24gMjgvMDcvMTYgMTE6NDMsIEdlb3JnZSBEdW5s YXAgd3JvdGU6Cj4+Pj4gT24gVGh1LCBKdWwgMjgsIDIwMTYgYXQgMTE6MTggQU0sIEFudGhvbnkg UEVSQVJECj4+Pj4gPGFudGhvbnkucGVyYXJkQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4+PiBPbiBX ZWQsIEp1bCAyNywgMjAxNiBhdCAwMzo0NToyM1BNIC0wNDAwLCBCb3JpcyBPc3Ryb3Zza3kgd3Jv dGU6Cj4+Pj4+PiBPbiAwNy8yNy8yMDE2IDA3OjM1IEFNLCBBbnRob255IFBFUkFSRCB3cm90ZToK Pj4+Pj4+PiBPbiBXZWQsIEp1bCAyNywgMjAxNiBhdCAxMjowODowNFBNICswMTAwLCBBbnRob255 IFBFUkFSRCB3cm90ZToKPj4+Pj4+Pj4gSSBjYW4gdHJ5IHRvIGRlc2NyaWJlIGhvdyBPVk1GIGlz IHNldHRpbmcgdXAgdGhlIG1lbW9yeS4KPj4+Pj4+PiBGcm9tIHRoZSBzdGFydCBvZiB0aGUgZGF5 Ogo+Pj4+Pj4+IHNldHVwIGdkdAo+Pj4+Pj4+IGNyMCA9IDB4NDAwMDAwMjMKPj4+Pj4+IEkgdGhp bmsgdGhpcyBpcyBzbGlnaHRseSBvZGQsIHdpdGggYml0IDMwIChjYWNoZSBkaXNhYmxlKSBzZXQu IEknZAo+Pj4+Pj4gc3VzcGVjdCB0aGF0IHRoaXMgd291bGQgYWZmZWN0IGJvdGggSW50ZWwgYW5k IEFNRCB0aG91Z2guCj4+Pj4+Pgo+Pj4+Pj4gQ2FuIHlvdSB0cnkgY2xlYXJpbmcgdGhpcyBiaXQ/ Cj4+Pj4+IFRoYXQgd29ya3MuLi4KPj4+Pj4KPj4+Pj4gSSB3b25kZXIgd2h5IGl0IGRvZXMgbm90 IGFwcGVhciB0byBhZmZlY3QgSW50ZWwgb3IgS1ZNLgo+Pj4+IEFyZSB0aG9zZSBiaXRzIGhhcmQt Y29kZWQsIG9yIGFyZSB0aGV5IHNldCBiYXNlZCBvbiB0aGUgaGFyZHdhcmUKPj4+PiB0aGF0J3Mg YXZhaWxhYmxlPwo+Pj4+Cj4+Pj4gSXMgaXQgcG9zc2libGUgdGhhdCB0aGUgcGFydGljdWxhciBj b21iaW5hdGlvbiBvZiBDUFVJRCBiaXRzIHByZXNlbnRlZAo+Pj4+IGJ5IFhlbiBvbiBBTUQgYXJl IGNhdXNpbmcgYSBkaWZmZXJlbnQgdmFsdWUgdG8gYmUgd3JpdHRlbj8KPj4+Pgo+Pj4+IE9yIGlz IGl0IHBvc3NpYmxlIHRoYXQgdGhlIGNhY2hlIGRpc2FibGUgYml0IGlzIGJlaW5nIGlnbm9yZWQg KGJ5IFhlbikKPj4+PiBvbiBJbnRlbCBhbmQgS1ZNPwo+Pj4gSWYgYSBndWVzdCBoYXMgbm8gaGFy ZHdhcmUsIHRoZW4gaXQgaGFzIG5vIHJlYXNvbiB0byBhY3R1YWxseSBkaXNhYmxlCj4+PiBjYWNo ZXMuICBXZSBzaG91bGQgaGF2ZSBsb2dpYyB0byBjYXRjaCB0aGlzIGFuIGF2b2lkIGFjdHVhbGx5 IGRpc2FibGluZwo+Pj4gY2FjaGVzIHdoZW4gdGhlIGd1ZXN0IGFza3MgZm9yIGl0Lgo+PiBJcyB0 aGlzIHJlYWxseSBzYWZlIHRvIGRvPyBDYW4ndCBhIGd1ZXN0IGRlY2lkZSB0byBkaXNhYmxlIGNh Y2hlIHRvCj4+IGF2b2lkIGhhdmluZyB0byBkZWFsIHdpdGggY29oZXJlbmN5IGluIFNXPwo+IFdo YXQgU1cgY29oZXJlbmN5IGlzc3VlIGRvIHlvdSB0aGluayBjYW4gYmUgc29sdmVkIHdpdGggZGlz YWJsaW5nIHRoZSBjYWNoZT8KPgo+IHg4NiBoYXMgc3RyaWN0IG9yZGVyaW5nIG9mIHdyaXRlcyBh bmQgcmVhZHMgd2l0aCByZXNwZWN0IHRvIGVhY2ggb3RoZXIuIAo+IFRoZSBvbmx5IGNhc2Ugd2hp Y2ggY2FuIGJlIG91dCBvZiBvcmRlciBpcyByZWFkcyBwcm9tb3RlZCBhaGVhZCBvZgo+IHVuYWxp YXNpbmcgd3JpdGVzLgoKUmlnaHQsIHRoYXQgd2FzIG5vdCBhIGdvb2QgZXhhbXBsZS4KCj4KPj4g QXMgZmFyIGFzIEludGVsIHZzIEFNRCBpbXBsZW1lbnRhdGlvbiBpbiBYZW4sIHdlIGhhdmUgdm14 X2hhbmRsZV9jZCgpCj4+IGJ1dCBubyBjb3JyZXNwb25kaW5nIFNWTSBjb2RlLiBDb3VsZCBpdCBi ZSB0aGF0IHdlIG5lZWQgdG8gc2V0IGdQQVQsIGZvcgo+PiBleGFtcGxlPwo+IEEgYmV0dGVyIGFw cHJvYWNoIHdvdWxkIGJlIHRvIGZpbmQgb3V0IHdoeSBvdm1mIGluc2lzdHMgb24gZGlzYWJsaW5n Cj4gY2FjaGVzIGF0IGFsbC4gIEV2ZW4gaWYgd2Ugb3B0aW1pc2UgdGhlIG5vbi1QQ0ktZGV2aWNl IGNhc2UgaW4gdGhlCj4gaHlwZXJ2aXNvciwgYSBwYXNzdGhyb3VnaCBjYXNlIHdpbGwgc3RpbGwg cnVuIGxpa2UgdHJlYWNsZSBpZiBjYWNoZXMgYXJlCj4gZGlzYWJsZWQuCgpUcnVlLCB3ZSBzaG91 bGQgdW5kZXJzdGFuZCB3aHkgT1ZNRiBkb2VzIHRoaXMuIEJ1dCBJIHRoaW5rIHdlIGFsc28gbmVl ZAp0byB1bmRlcnN0YW5kIHdoYXQgbWFrZXMgSW50ZWwgcnVuIGZhc3Rlci4gT3IgaXMgaXQgYWxy ZWFkeSBjbGVhciBmcm9tCnZteF9oYW5kbGVfY2QoKT8KCi1ib3JpcwoKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0 Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK