From owner-freebsd-hackers@freebsd.org Tue Dec 3 15:29:25 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A65D61B29B0 for ; Tue, 3 Dec 2019 15:29:25 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 47S5W86z7Wz4WCx for ; Tue, 3 Dec 2019 15:29:24 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (localhost [127.0.0.1]) by gndrsh.dnsmgr.net (8.13.3/8.13.3) with ESMTP id xB3FTM3M035615; Tue, 3 Dec 2019 07:29:22 -0800 (PST) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: (from freebsd-rwg@localhost) by gndrsh.dnsmgr.net (8.13.3/8.13.3/Submit) id xB3FTMnY035614; Tue, 3 Dec 2019 07:29:22 -0800 (PST) (envelope-from freebsd-rwg) From: "Rodney W. Grimes" Message-Id: <201912031529.xB3FTMnY035614@gndrsh.dnsmgr.net> Subject: Re: bhyve+windows 7 multicore performance In-Reply-To: To: Wojciech Puchar Date: Tue, 3 Dec 2019 07:29:22 -0800 (PST) CC: "Rodney W. Grimes" , freebsd-hackers@freebsd.org X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: 47S5W86z7Wz4WCx X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd-rwg@gndrsh.dnsmgr.net has no SPF policy when checking 69.59.192.140) smtp.mailfrom=freebsd-rwg@gndrsh.dnsmgr.net X-Spamd-Result: default: False [-0.61 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.78)[-0.779,0]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[dnsmgr.net]; AUTH_NA(1.00)[]; NEURAL_HAM_LONG(-0.77)[-0.768,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:13868, ipnet:69.59.192.0/19, country:US]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(0.04)[ip: (0.14), ipnet: 69.59.192.0/19(0.07), asn: 13868(0.03), country: US(-0.05)]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Dec 2019 15:29:25 -0000 > >> i run bhyve VM like this: > >> nice -n -20 /usr/sbin/bhyve -s 0,hostbridge -m 22528M \ > > ^^^^^^^^^^^^ why? > > to make sure VM will not be slower down too much if i put other high load > on host site. > > > > >> > >> But windows feels quite slower that it was before. There is for sure no > >> problem with I/O performance. It's about compute speed. > > > > How did you measure this? If it is just a "feel" then it could > > be almost anything, if you have some solid numbers to look at > > then perhaps some conclusions can be made. > > > >> What i do wrong? > > > > Try 4 cores, and drop the priority boost, you may be causeing > > Well i need more cores than 4 for that VM. > I will try even number (10) and no nice. If 4 cores performs better than 10 cores why would you want to intentionally slow it down? > > an unintended side effect. > > > > > > > > Did you copy the windows 7 from the old server, or is this > > a new install to the VM. If you copied it there may be a > > HAL issue/missmatch. > Copied, and installed missing drivers. > > I didn't install windoze for over 5 years :) Ok, this may mean there is a HAL missmatch. -- Rod Grimes rgrimes@freebsd.org