From owner-freebsd-virtualization@freebsd.org Mon Jul 25 06:00:10 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 83A11BA4CFD for ; Mon, 25 Jul 2016 06:00:10 +0000 (UTC) (envelope-from tech-lists@zyxst.net) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) (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 5951113D1 for ; Mon, 25 Jul 2016 06:00:10 +0000 (UTC) (envelope-from tech-lists@zyxst.net) Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 332842026B for ; Mon, 25 Jul 2016 02:00:09 -0400 (EDT) Received: from frontend1 ([10.202.2.160]) by compute6.internal (MEProxy); Mon, 25 Jul 2016 02:00:09 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=zyxst.net; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=sjpzIP7rAf1zzZeUg4FNZTa/7Dw=; b=MbCav9 Kx2yEyQyHeQuuvEeR2RPOcssTo8hPMKDbSIWAp3ZBnnLxq2XNO4CeF8mv/CUlPJ5 s5fSFzlb1Zebo4bufgT4QURJmVnxJdF4EzCWEoPUfC1ykZNZax7qdU5VDPylPAIL 8yVwkvB80QuLLeomzM99xfmhwWcAJOqNa0oAU= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=sjpzIP7rAf1zzZe Ug4FNZTa/7Dw=; b=UlejCvgkDdHUTNKBnF1pUxw+YDzTHGtrd4Y1aYhSkUN8BRj bl/aHM/aO9afstxnnOVkV5aqIGK2+zkkMv+fl2wz3tKrhEa8FWFpUzr6C+sVYntY /tgQ+tZ/ol7WY8O8157E84lcCwjG0Do2HSTLlz3r+b8wDAm+NEcRuKK/pwos= X-Sasl-enc: YBbMtaduSsKXQaWBA4SLvpsA8mlOBy/wk1KHQ2w6Z108 1469426408 Received: from pumpkin.growveg.org (potato.growveg.org [82.70.91.102]) by mail.messagingengine.com (Postfix) with ESMTPA id C9EFDF2A09 for ; Mon, 25 Jul 2016 02:00:08 -0400 (EDT) Subject: Re: some bhyve guests showing high load on host References: <57956EA0.3090007@ShaneWare.Biz> From: tech-lists X-Enigmail-Draft-Status: N1110 To: freebsd-virtualization@freebsd.org Message-ID: <8e9b5956-9fe1-2bc4-31d1-45905618f0a0@zyxst.net> Date: Mon, 25 Jul 2016 06:59:57 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <57956EA0.3090007@ShaneWare.Biz> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit 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 06:00:10 -0000 On 25/07/2016 02:42, Shane Ambler wrote: > 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 You know, I didn't think of that. There's 7 or so VMs. I can't check them all right now as some need notification, but I will check them all. The ones I have checked so far *do* have -H specified; I expect the two remaining showing 400% CPU haven't... Many thanks, -- J.