From owner-freebsd-virtualization@freebsd.org Mon Jul 25 01:54:28 2016 Return-Path: Delivered-To: freebsd-virtualization@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 74943BA419B for ; Mon, 25 Jul 2016 01:54:28 +0000 (UTC) (envelope-from dmarquess@gmail.com) Received: from mail-pf0-x22f.google.com (mail-pf0-x22f.google.com [IPv6:2607:f8b0:400e:c00::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 381E411DA for ; Mon, 25 Jul 2016 01:54:28 +0000 (UTC) (envelope-from dmarquess@gmail.com) Received: by mail-pf0-x22f.google.com with SMTP id y134so58514174pfg.0 for ; Sun, 24 Jul 2016 18:54:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:message-id:in-reply-to:references:subject:mime-version; bh=4LmUNwlk42HIC/O52Bh/5eLo4T7Smp7WdY6I3F9o8NM=; b=SDQMM6ZrJ7fIMakaeke/gA0chYR0oQL7AShrTGrNMz4pjeq2+jth4VG+aWWQ6pNZT5 WjzQi6kSAqOZnii4//Eq3cORmsiyurV1Vlt3nScmok40ldTZqpMvbHYY3FvVl0w2nzPz WytOiDpXHQN2IEDO1JpR7VzPSbOjHNv2zt5FNGpbTpXJmvGrZDISwvztm5EY86Ukffm9 Oh2mVSji4O0AYCZNe/2w9mPsvrO8XjtK+rFPpor3233H+KsW5FC9LvDi+xmjq0be3K+R Xfpg5Qt/kHbYyuriyDaMAtMbkqwBcVN51vMbS54ZQTRS+JO1ZgO+PEfVRH58q2Q4M4QG NZ/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version; bh=4LmUNwlk42HIC/O52Bh/5eLo4T7Smp7WdY6I3F9o8NM=; b=T1Lm0ROROFYQlaOfFxG0dVorHSUl0+orw5/3MJIQCuUqA6pPJpPzXW8VYm2VTMCJ6s LV9w/eyvJyV6S4zUJRe2IjxEc81FFfqbqj84DZKx+8bxeOYDxVIwlLYsUQGue845xm4l O7i4xiWiaLYxqfekw6dV/sMT9c8x12pv/3PnlFX3ph888Cfq4ZUyCflLC0fQZt5kCGCY 5jDDaOPvJwQ20AvgFrmEfaFP2sZrHnlNmqPSLNdN/3x/3NAR+biO5yGtfDkAu7jPveyh pRiYJeYDRnZd3Y2NF03FGo9NN1YHquf1micK3zuU3rPyzaUTW+Equ97y5IAjbagjCJP3 7n0g== X-Gm-Message-State: AEkoouuzpIRtjRmR/PsHRDa4IeWGbi0ZlRIxiy6cal1+3/MmMBYm32d1g6I58nzb/GZOJQ== X-Received: by 10.98.33.72 with SMTP id h69mr25073015pfh.28.1469411667659; Sun, 24 Jul 2016 18:54:27 -0700 (PDT) Received: from mail.outlook.com (ec2-52-34-97-60.us-west-2.compute.amazonaws.com. [52.34.97.60]) by smtp.gmail.com with ESMTPSA id p64sm35257107pfd.11.2016.07.24.18.54.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 24 Jul 2016 18:54:26 -0700 (PDT) Date: Mon, 25 Jul 2016 01:54:26 +0000 (UTC) From: Dustin Marquess To: tech-lists , Shane Ambler , Message-ID: In-Reply-To: <57956EA0.3090007@ShaneWare.Biz> References: <57956EA0.3090007@ShaneWare.Biz> Subject: Re: some bhyve guests showing high load on host MIME-Version: 1.0 X-Mailer: Outlook for iOS and Android Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jul 2016 01:54:28 -0000 Another thing I've seen before is that if there's a lot of broadcast traffic on the network, that seems to increase CPU on the bhyve process. -Dustin On Sun, Jul 24, 2016 at 8:48 PM -0500, "Shane Ambler" wrote: On 25/07/2016 02:10, tech-lists wrote: > Hi, > > Why is WCPU so high? The guests corresponding to these processes are all > linux guests; they aren't showing much load at all (0.05-0.1). Given > this fact, I'm at a loss as to what to debug or how. How are you starting your bhyve's? Are you using the -H option? From man bhyve - -H Yield the virtual CPU thread when a HLT instruction is detected. If this option is not specified, virtual CPUs will use 100% of a host CPU. -- FreeBSD - the place to B...Software Developing Shane Ambler _______________________________________________ freebsd-virtualization@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscribe@freebsd.org"