From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: OVMF very slow on AMD Date: Fri, 15 Jul 2016 11:22:45 -0400 Message-ID: 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: In-Reply-To: <20160715134831.GB16867@char.us.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Konrad Rzeszutek Wilk , Anthony PERARD Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gMDcvMTUvMjAxNiAwOTo0OCBBTSwgS29ucmFkIFJ6ZXN6dXRlayBXaWxrIHdyb3RlOgo+IE9u IFRodSwgSnVsIDE0LCAyMDE2IGF0IDA0OjUzOjA3UE0gKzAxMDAsIEFudGhvbnkgUEVSQVJEIHdy b3RlOgo+PiBIaSwKPj4KPj4gSSd2ZSBiZWVuIGludmVzdGlnYXRpbmcgd2h5IE9WTUYgaXMgdmVy eSBzbG93ICBpbiBhIFhlbiBndWVzdCBvbiBhbiBBTUQKPj4gaG9zdC4gVGhpcywgSSB0aGluaywg aXMgdGhlIGN1cnJlbnQgZmFpbHVyZSB0aGF0IG9zc3Rlc3QgaXMgaGF2aW5nLgo+Pgo+PiBJJ3Zl IG9ubHkgbG9vayBhdCBhIHNwZWNpZmljIHBhcnQgb2YgT1ZNRiB3aGVyZSB0aGUgc2xvd2Rvd24g aXMgdmVyeQo+PiBvYnZpb3VzIG9uIEFNRCB2cyBJbnRlbCwgdGhlIGRlY29tcHJlc3Npb24uCj4+ Cj4+IFRoaXMgaXMgd2hhdCBJIGdldCBvbiBBTUQsIHZpYSB0aGUgWGVuIHNlcmlhbCBjb25zb2xl IHBvcnQ6Cj4+ICAgSW52b2tpbmcgT1ZNRiAuLi4KPj4gICBTZWNDb3JlU3RhcnR1cFdpdGhTdGFj aygweEZGRkNDMDAwLCAweDgxODAwMCkKPj4gdGhlbiwgbm90aGluZyBmb3IgYWxtb3N0IDEgbWlu dXRlLCB0aGVuIHRoZSByZXN0IG9mIHRoZSBib290IHByb2Nlc3MuCj4+IFRoZSBzYW1lIGJpbmFy eSBvbiBJbnRlbCwgdGhlIG91dHB1dCBkb2VzIG5vdCBzdGF5ICJzdHVjayIgaGVyZS4KPj4KPj4g SSBjb3VsZCBwaW4tcG9pbnQgd2hpY2ggcGFydCBvZiB0aGUgYm9vdCBwcm9jZXNzIHRha2VzIGEg bG9uZyB0aW1lLCBidXQKPj4gdGhlcmUgaXMgbm90IGFueXRoaW5nIG9idmlvdXMgaW4gdGhlcmUs IGp1c3QgYSBsb29wIHRoYXQgZGVjb21wcmVzcyB0aGUKPj4gb3ZtZiBiaW5hcnksIHdpdGggcGxl bnR5IG9mIGl0ZXJhdGlvbi4KPj4gSSB0cmllZCBgeGVudHJhY2UnLCBidXQgdGhlIHRyYWNlIGRv ZXMgbm90IHNob3cgYW55dGhpbmcgd3JvbmcsIHRoZXJlIGlzCj4+IGp1c3QgYW4gaW50ZXJydXB0 IGZyb20gdGltZSB0byB0aW1lLiBJJ3ZlIHRyaWVkIHRvIGhhZCBzb21lIHRyYWNlcG9pbnQKPj4g aW5zaWRlIHRoaXMgZGVjb21wcmVzaW9uIGZ1bmN0aW9uIGluIE9WTUYsIGJ1dCB0aGF0IGRpZCBu b3QgcmV2ZWFsCj4+IGFueXRoaW5nIGVpdGhlciwgbWF5YmUgdGhlcmUgd2hlcmUgbm90IGF0IHRo ZSByaWdodCBwbGFjZS4KPj4KPj4gQW55d2F5LCB0aGUgZnVuY3Rpb24gaXM6IEx6bWFEZWNfRGVj b2RlUmVhbCgpIGZyb20gdGhlIGZpbGUKPj4gSW50ZWxGcmFtZXdvcmtNb2R1bGVQa2cvTGlicmFy eS9Mem1hQ3VzdG9tRGVjb21wcmVzc0xpYi9TZGsvQy9Mem1hRGVjLmMKPj4geW91IGNhbiBnZXQg dGhlIGFzc2VtYmx5IGZyb20gdGhpcyBvYmplY3Q6Cj4+IEJ1aWxkL092bWZYNjQvREVCVUdfR0ND NDkvWDY0L0ludGVsRnJhbWV3b3JrTW9kdWxlUGtnL0xpYnJhcnkvTHptYUN1c3RvbURlY29tcHJl c3NMaWIvTHptYUN1c3RvbURlY29tcHJlc3NMaWIvT1VUUFVUL1Nkay9DL0x6bWFEZWMub2JqCj4+ IFRoaXMgaXMgd2l0aCBPVk1GIHVwc3RyZWFtIChodHRwczovL2dpdGh1Yi5jb20vdGlhbm9jb3Jl L2VkazIpLgo+PiBJIGNhbiBzZW5kIHRoZSBhc3NlbWJseSBpZiBuZWVkZWQuCj4gUGxzLiBUaGUg ZnVsbCBmaWxlIGlmIHBvc3NpYmxlLiBQZXJoYXBzIHRoZXJlIGlzIGFsc28gYW4gLlMgZmlsZSBz b21ld2hlcmUgdGhlcmU/Cj4KPj4gU28sIHRoaXMgbG9vcCB0YWtlcyBhYm91dCAxIG1pbnV0ZSBv biBteSBBTUQgbWFjaGluZSAoQU1EIE9wdGVyb24odG0pCj4+IFByb2Nlc3NvciA0Mjg0KSwgYW5k IGxlc3MgdGhhdCAxIHNlY29uZCBvbiBhbiBJbnRlbCBtYWNoaW5lLgo+PiBJZiBJIGNvbXBpbGUg T1ZNRiBhcyBhIDMyYml0IGJpbmFyeSwgdGhlIGxvb3AgaXMgZmFzdGVyLCBidXQgc3RpbGwgdGFr ZXMKPj4gYWJvdXQgMzBzIG9uIEFNRC4gKHRoYXQncyB0cnVlIGZvciBib3RoIE92bWZJYTMyIGFu ZCBPdm1mSWEzMlg2NCB3aGljaAo+PiBpcyAzMmJpdCBib290c3RyYXAsIGJ1dCBjYW4gc3RhcnQg NjRiaXQgT1MuKQo+PiBBbm90aGVyIHRoaW5nLCBJIHRyaWVkIHRoZSBzYW1lIGJpbmFyeSAoNjRi aXQpIHdpdGggS1ZNLCBhbmQgT1ZNRiBzZWVtcwo+PiBmYXN0Lgo+Pgo+Pgo+PiBTbywgYW55IGlk ZWUgb2Ygd2hhdCBJIGNvdWxkIGludmVzdGlnYXRlPwo+IEkgcHJlc3VtZSB3ZSBlbXVsYXRpbmcg c29tZSBvcGVyYXRpb24gb24gQU1EIGJ1dCBub3Qgb24gSW50ZWwuCj4KPiBIb3dldmVyIHlvdSBz YXkgeGVudHJhY2Ugc2hvd3Mgbm90aGluZyAtIHdoaWNoIHdvdWxkIGltcGx5IHdlIGFyZSBub3QK PiBpbmN1cnJpbmcgVk1FWElUcyB0byBkZWFsIHdpdGggdGhpcy4gSG1tLi4gQ291bGQgaXQgYmUg d2hhdCB3ZQo+IGV4cG9zZSB0byB0aGUgZ3Vlc3QgKHRoZSBDUFVJRCBmbGFncz8pIFNvbWVob3cg d2UgYXJlIG1pc3Npbmcgb25lIG9uIEFNRAo+IGFuZCBpdCB0YWtlcyBhIHNsb3dlciByb3V0ZT8K CgpJIGRvbid0IGtub3cgd2hldGhlciBpdCdzIHBvc3NpYmxlIGJ1dCBjYW4geW91IGV4dHJhY3Qg dGhpcyBsb29wIHNvbWVob3cKYW5kIHJ1biBpdCBvbiBiYXJlbWV0YWw/IE9yIHJ1biB0aGUgd2hv bGUgdGhpbmcgb24gYmFyZW1ldGFsLgoKQWxzbyBhIG5ld2VyIGNvbXBpbGVyIG1pZ2h0IHBvdGVu dGlhbGx5IG1ha2UgYSBkaWZmZXJlbmNlIChpZiB5b3UgYXJlCnJ1bm5pbmcgb24gc29tZXRoaW5n IG9sZGVyKS4KCi1ib3JpcwoKCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9y ZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==