From owner-freebsd-bugs@freebsd.org Fri Feb 3 20:21:29 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2597ACCEDD2 for ; Fri, 3 Feb 2017 20:21:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 159E81798 for ; Fri, 3 Feb 2017 20:21:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v13KLSEx093326 for ; Fri, 3 Feb 2017 20:21:28 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 216760] Memory Management Freebsd Guest On QEMU-KVM HOst Date: Fri, 03 Feb 2017 20:21:29 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 11.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kvanbiesen@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cc Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Feb 2017 20:21:29 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216760 Bug ID: 216760 Summary: Memory Management Freebsd Guest On QEMU-KVM HOst Product: Base System Version: 11.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: bin Assignee: freebsd-bugs@FreeBSD.org Reporter: kvanbiesen@gmail.com CC: freebsd-amd64@FreeBSD.org CC: freebsd-amd64@FreeBSD.org Performance Is Insanely low on when you install freebsd on a QEMU-KVM command to test: sysbench --num-threads=3D1 --test=3Dmemory --memory-total-size=3D1G run FREEBSD 11 on QEMU-KVM Operations performed=3D 1048576 (61139.84 ops/sec) 1024.00 transferred (59.71 MB/sec) UBUNTU 11 on identical KVM: Operations performed=3D 1048576 (2718486.33 ops/sec) 1024.00 transferred (2654.77 MB/sec) FREEBSD on bare metal: Around 2700MB/s I tested this on several installations; BBother freebsd 10 and 11. On Diffe= rent KVM's, all the same results. Freebsd speeds are more than 60 times slower.= =20 Another user has tested this on servers KVM as in this reddit topic: https://www.reddit.com/r/freebsd/comments/5rtf05/abysmal_memory_perfomance_= witch_freebsd_under/ FReebsd as guest under vmware and virtualbox performs as normal (speeds way over 2000MB) Gonna file a bug report with QEMU as well --=20 You are receiving this mail because: You are the assignee for the bug.=