From owner-freebsd-current@FreeBSD.ORG Thu Jan 15 20:31:06 2015 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id BD94D42C; Thu, 15 Jan 2015 20:31:06 +0000 (UTC) Received: from m.saper.info (m.saper.info [IPv6:2a01:4f8:a0:7383::]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "m.saper.info", Issuer "Marcin Cieslak 2011" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 51121BD6; Thu, 15 Jan 2015 20:31:05 +0000 (UTC) Received: from m.saper.info (saper@localhost [127.0.0.1]) by m.saper.info (8.14.9/8.14.9) with ESMTP id t0FKV10K009695 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 15 Jan 2015 20:31:01 GMT (envelope-from saper@saper.info) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=saper.info; s=Sep2014; t=1421353862; bh=NXIYAY/rjMajNR7ZPpCg4s6hvRwTtHXkS/+qzi7kGEg=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=qF16s4YkYyvwzzRBTLz9yx2bqWEWYMl/1PHlXE/ecNsCaR1KpN1j6TQaS37ZRMlTd LcuIYCg/ZpmWnjEmcdO2+L/5TyNhPp4TCfXV0fVaLYUTAsK2qbrfgy8N6JczMXXDfN cRiBCsLNR5Q9KheVt69lmWrMTGsA9gj9HcJpt7I4= Received: from localhost (saper@localhost) by m.saper.info (8.14.9/8.14.9/Submit) with ESMTP id t0FKV1jw009692; Thu, 15 Jan 2015 20:31:01 GMT (envelope-from saper@saper.info) X-Authentication-Warning: m.saper.info: saper owned process doing -bs Date: Thu, 15 Jan 2015 20:31:01 +0000 From: Marcin Cieslak To: Bryan Venteicher Subject: Re: DigitalOcean offers VMs with FreeBSD! In-Reply-To: Message-ID: References: <54B7A494.50205@FreeBSD.org> <54B7DC97.7050809@FreeBSD.org> <20150115154443.GA10325@zxy.spb.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: emulation@freebsd.org, Lev Serebryakov , FreeBSD-Current , Slawa Olhovchenkov X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 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: Thu, 15 Jan 2015 20:31:06 -0000 On Thu, 15 Jan 2015, Bryan Venteicher wrote: > On Thu, Jan 15, 2015 at 9:44 AM, Slawa Olhovchenkov wrote: > > > On Thu, Jan 15, 2015 at 06:28:23PM +0300, Lev Serebryakov wrote: > > > > > -----BEGIN PGP SIGNED MESSAGE----- > > > Hash: SHA512 > > > > > > On 15.01.2015 14:29, Lev Serebryakov wrote: > > > > > > > > > https://www.digitalocean.com/company/blog/presenting-freebsd-how-we-made-it-happen/ > > > > > > > > I didn't see this news on mailing lists :) > > > But here are some thread about FreeBSD is way slower than Linux in > > > these virtual installations > > > > > > https://news.ycombinator.com/item?id=8888487 > > > > May be IOPS quotation? > > Can you test with dd and custom kernel with MAXPHYS=1048576 ? > > > > > What's the value of kern.timecounter.hardware? It will likely be either > HPET or ACPI which means there is an VM exit whenever the guest reads from > the emulated timecounter hardware. That's why I have some WIP to add > support for KVMCLOCK [1]. I hope to merge those changes to HEAD in a week > and STABLE shortly after. > sysctl kern.timecounter.hardware kern.timecounter.hardware: HPET