From owner-freebsd-current@freebsd.org Wed Jun 27 17:13:17 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 42A8D102E185 for ; Wed, 27 Jun 2018 17:13:17 +0000 (UTC) (envelope-from jkim@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7E8BB8878E; Wed, 27 Jun 2018 17:13:16 +0000 (UTC) (envelope-from jkim@FreeBSD.org) Received: from freefall.freebsd.org (static-71-168-218-4.cmdnnj.fios.verizon.net [71.168.218.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: jkim/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 365D51F042; Wed, 27 Jun 2018 17:13:16 +0000 (UTC) (envelope-from jkim@FreeBSD.org) Subject: Re: TSC calibration in virtual machines To: "Rodney W. Grimes" , Alan Somers Cc: Andriy Gapon , FreeBSD Current References: <201806271705.w5RH5WZ7009269@pdx.rh.CN85.dnsmgr.net> From: Jung-uk Kim Openpgp: preference=signencrypt Autocrypt: addr=jkim@FreeBSD.org; prefer-encrypt=mutual; keydata= xsBNBFJBztUBCAChqNyGqmFuNo0U7MBzsD+q/G6Cv0l7LGVrOAsgh34M8wIWhD+tztDWMVfn AhxNDd0ceCj2bYOe67sTQxAScEcbt2FfvPOLp9MEXb9qohZj172Gwkk7dnhOhZZKhVGVZKM4 NcsuBDUzgf4f3Vdzj4wg6WlqplnTZo8lPE4hZWvZHoFIyunPTJWenybeV1xnxK7JkUdSvQR0 fA59RfTTECMwTrSEfYGUnxIDBraxJ7Ecs/0hGQ7sljIj8WBvlRDU5fU1xfF35aw56T8POQRq F4E6RVJW3YGuTpSwgtGZOTfygcLRhAiq3dFC3JNLaTVTpM8PjOinJyt9AU6RoITGOKwDABEB AAHNHkp1bmctdWsgS2ltIDxqa2ltQEZyZWVCU0Qub3JnPsLAfQQTAQoAJwUCUkHO1QIbAwUJ E0/POwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgAAKCRB8n5Ym/NvxRqyzB/wL7QtsIpeGfGIA ZPMtgXMucM3NWzomyQMln2j2efUkDKthzh9jBxgF53TjOr7imwIt0PT2k1bqctPrq5IRqnu9 mGroqaCLE3LG2/E3jEaao4k9PO6efwlioyivUo5NrqIQOQ4k3EAXw7d2y0Dk1VpTgdMrnUAB hj7lGlLqS4ydcrf24DdbCRGdEQwqd9DBeBgbWynxAJMgbZBhYVEyIHuQKkJ8qY0ibIPXXuF0 KYDeH0qUHtWV2K3srNyPtymUkBQD84Pl1GWRYx05XdUHDmnX0JV3lg0BfYJZgZv0ehPQrMfY Fd9abTkf9FHQYz1JtsC8wUuRgqElRd6+YAGf8Tt9zsBNBFJBztUBCADLtSrP44El2VoJmH14 OFrlOgxzZnbn+Y/Gf1k12mJBiR+A+pBeRLD50p7AiTrjHRxO3cHcl9Dh0uf1VSbXgp8Or0ye iP/86fZPd4k5HXNmDTLL0HecPE08SCqGZ0W8vllQrokB1QxxRUB+fFMPJyMCjDAZ7P9fFTOS dTw1bJSTtOD8Sx8MpZUa9ti06bXFlVYDlaqSdgk181SSx+ZbSKkQR8CIMARlHwiLsa3Z9q9O EJr20HPyxe0AlTvwvFndH61hg7ds63eRvglwRnNON28VXO/lvKXq7Br/CiiyhFdKfINIx2Z5 htYq22tgGTW7mBURbIKoECFBTX9Lv6BXz6w9ABEBAAHCwGUEGAEKAA8FAlJBztUCGwwFCRNP zzsACgkQfJ+WJvzb8UZcJQf+IsTCxUEqY7W/pT84sMg5/QD3s6ufTRncvq14fEOxCNq1Rf4Q 9P+tOFa8GZfKDGB2BFGIrW7uT5mlmKdK1vO6ZIA930y5kUsnCmBUEBJkE2ciSQk01aB/1o62 Q3Gk/F6BwtNY9OXiqF7AcAo+K/BMIaqb26QKeh+IIgK1NN9dQiq3ByTbl4zpGZa6MmsnnRTu mzGKt2nkz7vBzH6+hZp1OzGZikgjjhYWVFoJo1dvf/rv4obs0ZJEqFPQs/1Qa1dbkKBv6odB XJpPH0ssOluTY24d1XxTiKTwmWvHeQkOKRAIfD7VTtF4TesoZYkf7hsh3e3VwXhptSLFnEOi WwYofg== Message-ID: <4d19ae69-f7bc-1459-24bd-7a9b0940023a@FreeBSD.org> Date: Wed, 27 Jun 2018 13:13:15 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <201806271705.w5RH5WZ7009269@pdx.rh.CN85.dnsmgr.net> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="HFqF85OUI4tqlS2Z9dctlzv9u5lAkhtPB" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jun 2018 17:13:17 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --HFqF85OUI4tqlS2Z9dctlzv9u5lAkhtPB Content-Type: multipart/mixed; boundary="blWHgfiJZdgGWtJ8XcobeDVNDC9xsZ7Br"; protected-headers="v1" From: Jung-uk Kim To: "Rodney W. Grimes" , Alan Somers Cc: Andriy Gapon , FreeBSD Current Message-ID: <4d19ae69-f7bc-1459-24bd-7a9b0940023a@FreeBSD.org> Subject: Re: TSC calibration in virtual machines References: <201806271705.w5RH5WZ7009269@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <201806271705.w5RH5WZ7009269@pdx.rh.CN85.dnsmgr.net> --blWHgfiJZdgGWtJ8XcobeDVNDC9xsZ7Br Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 06/27/2018 13:05, Rodney W. Grimes wrote: > There are several white papers, including one from VMWare about what > they have done to help with the time keeping problems. https://www.vmware.com/files/pdf/techpaper/Timekeeping-In-VirtualMachines= =2Epdf Jung-uk Kim --blWHgfiJZdgGWtJ8XcobeDVNDC9xsZ7Br-- --HFqF85OUI4tqlS2Z9dctlzv9u5lAkhtPB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEl1bqgKaRyqfWXu/CfJ+WJvzb8UYFAlszxawACgkQfJ+WJvzb 8UbSvwf/fasWDRp7Xc+swthiQ1ETQ/wkHvE4B7Ev/yBdCp9b0FgBgBBJsgkkRbn/ d5GOehJ0qUsaz9M9DHSCkId9Y0ix/wmFaFU8zF8u7xKfGJNqQbGhMwXjF7K9xX5N eDXsHoM4PshlwsipqwU7bUYEJN2dTOuOKOAhqeJ9WQcCRnRxaVtsV27v30+Qewj5 GCn8RZcTWbDz3eTljdCN4HA2lQwYUYzzpMnhAsRSdqiz53jNb72ZzbvN48dYiD4k FHjhUpFG82kM6QDtcJmzqvW43ii09h/P3BDsHN8NOLfDiUgmWmmQlzsTPtkwtKEM xsIRIuwjCx4yu6FWFQ+ARLXkjgDw/Q== =QSlu -----END PGP SIGNATURE----- --HFqF85OUI4tqlS2Z9dctlzv9u5lAkhtPB--