From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: PV performance degraded after live migration Date: Thu, 16 Mar 2017 09:13:06 +0100 Message-ID: <20170316081306.GB8408@aepfle.de> References: <20170315112044.GA14366@aepfle.de> <8d7e8a90-5380-0d23-d11f-e5c8ce019393@citrix.com> <20170315145209.GA13129@aepfle.de> <20170315152346.GA17695@aepfle.de> <61eea940-c852-26c2-ce5b-bbb043349420@oracle.com> <0a7d9552-f890-bda8-1f6d-7376976eff5c@suse.com> <58C9762302000078001436DE@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============3211693739740579711==" Return-path: In-Reply-To: <58C9762302000078001436DE@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Juergen Gross , Andrew Cooper , Boris Ostrovsky , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org --===============3211693739740579711== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xgyAXRrhYN0wYx8y" Content-Disposition: inline --xgyAXRrhYN0wYx8y Content-Type: text/plain; charset=utf-8 Content-Disposition: inline On Wed, Mar 15, Jan Beulich wrote: > ..., and iirc PV migration didn't have any issue with TSC freq > changing during migration prior to the introduction of vTSC. When was this introduced? There is a claim that this slowdown is a regression. Olaf --xgyAXRrhYN0wYx8y Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSkRyP6Rn//f03pRUBdQqD6ppg2fgUCWMpJEgAKCRBdQqD6ppg2 fn2WAJ90hLT/2Gmgbz6kcNU3xIjBU255DwCg3+EpZ+LsT4+toiX/UzG48Cdq44w= =y4Td -----END PGP SIGNATURE----- --xgyAXRrhYN0wYx8y-- --===============3211693739740579711== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLWRldmVsCg== --===============3211693739740579711==--