From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: [PATCH v12] tolerate jitter in cpu_khz calculation to avoid TSC emulation Date: Mon, 11 Mar 2019 13:09:31 +0100 Message-ID: <20190311130931.737ee8c6.olaf@aepfle.de> References: <20190308192059.24610-1-olaf@aepfle.de> <5C863567020000780021D1FE@prv1-mh.provo.novell.com> <20190311114947.1d47e04e.olaf@aepfle.de> <5C864446020000780021D29A@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0817609312146688035==" Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1h3JkR-0008Iu-TP for xen-devel@lists.xenproject.org; Mon, 11 Mar 2019 12:09:40 +0000 In-Reply-To: <5C864446020000780021D29A@prv1-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: Andrew Cooper , Wei Liu , xen-devel , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org --===============0817609312146688035== Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/FwlF6JuVDYblBWl2qRtvPhd"; protocol="application/pgp-signature" --Sig_/FwlF6JuVDYblBWl2qRtvPhd Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Mon, 11 Mar 2019 05:19:34 -0600 schrieb "Jan Beulich" : > But of course the seemingly > random 200 will itself need a much better reasoning, or at least a > clear indication of the data base (number of different systems) that > it was derived from. "Large number of hosts", after all, may mean 12 > to you and tens of thousands to me. How many hosts would be relevant? My own test hosts calibrate itself in a range of maybe 30 khz. I gave up to track the exact numbers after every reboot. If it helps, I can gather 'cpu_khz' once again. Olaf --Sig_/FwlF6JuVDYblBWl2qRtvPhd Content-Type: application/pgp-signature Content-Description: Digitale Signatur von OpenPGP -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSkRyP6Rn//f03pRUBdQqD6ppg2fgUCXIZP+wAKCRBdQqD6ppg2 fp3cAJ0drHtwY+YmeJm0d65T2FGQJZNyJgCgs9G9xI481AK9rXwYdvHENa+LOiE= =Px1G -----END PGP SIGNATURE----- --Sig_/FwlF6JuVDYblBWl2qRtvPhd-- --===============0817609312146688035== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== --===============0817609312146688035==--