Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752357Ab1F3ONe (ORCPT ); Thu, 30 Jun 2011 10:13:34 -0400 Received: from mail-qy0-f181.google.com ([209.85.216.181]:39337 "EHLO mail-qy0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751097Ab1F3ON3 (ORCPT ); Thu, 30 Jun 2011 10:13:29 -0400 Date: Thu, 30 Jun 2011 10:13:23 -0400 From: Eric B Munson To: Glauber Costa Cc: Avi Kivity , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Rik van Riel , Jeremy Fitzhardinge , Peter Zijlstra , Anthony Liguori Subject: Re: [PATCH v3 2/9] KVM-HDR Add constant to represent KVM MSRs enabled bit Message-ID: <20110630141323.GB4823@mgebm.net> References: <1309361388-30163-1-git-send-email-glommer@redhat.com> <1309361388-30163-3-git-send-email-glommer@redhat.com> <20110629215608.GA3557@mgebm.net> <4E0C3458.6090801@redhat.com> <20110630125938.GA4823@mgebm.net> <4E0C7872.9060002@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="24zk1gE8NUlDmwG9" Content-Disposition: inline In-Reply-To: <4E0C7872.9060002@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2108 Lines: 62 --24zk1gE8NUlDmwG9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, 30 Jun 2011, Glauber Costa wrote: > On 06/30/2011 09:59 AM, Eric B Munson wrote: > >On Thu, 30 Jun 2011, Avi Kivity wrote: > > > >>On 06/30/2011 12:56 AM, Eric B Munson wrote: > >>>My mail provider seems to have dropped patch 1 of the series so I can'= t reply > >>>directly to it, please add my Tested-by there as well. > >> > >>How did you test it then? > >> > > > >I built host and guest kernels with the patches and pinned a while(1) an= d the > >CPU thread from qemu to CPU 2 on the host. I then started the same whil= e(1) > >process in guest and verified that I see ~50% steal time reported. > > > >I then built 2.6.39 (just the code I had present) on the guest and time = it > >while it was competing with the while(1) on the host for CPU time. Next= I > >built the guest kernel with STEAL_TIME=3DN and reran the kernel compile = to make > >sure that there weren't any huge variations in performace. > > > >Eric > I think what Avi means is, it won't even compile without PATCH 1/9. > If you don't have it, how could you test it ? >=20 It made it to several lkml archives. --24zk1gE8NUlDmwG9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAEBAgAGBQJODISDAAoJEH65iIruGRnNE8kIANvvhxLyKJqm5FOIv/SbZ14Y JE8T/I+eUwqHRwjnOeDQv3nGYZLsUVpsLxHQkZbDKdTNsDF/oUOuQDdNHD/DgPV2 xrwZR9szMeHa3xvg2+LGTAmvw/rxXuPd8qqYLFC3GpKtboQbmhvXh+enWzeeNoq+ qNjAJ6iBsZFRmDrHsFMwKDCTteuZKum9wawWCoIrlG0ZH2/AevbuY77nm34CatfS BRXvJ4ngG+ZPzrgN2E9frlopRDhPXHBWR2X9i+ckDfZ3mLxqO2SIe7NDPmvmwzP4 ANVqTU1/oRCjCi5XD2KOvFunCo8nF/QhLUJUap+bN6PiaVdTcQYkIDPY5XEi3ek= =SLGQ -----END PGP SIGNATURE----- --24zk1gE8NUlDmwG9-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/