From owner-freebsd-arm@freebsd.org Mon Jul 2 09:22:05 2018 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F16F1FF02ED for ; Mon, 2 Jul 2018 09:22:04 +0000 (UTC) (envelope-from freebsd-arm@sentry.org) Received: from shadow.sentry.org (shadow.sentry.org [210.8.237.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "shadow.sentry.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 252A77D30B for ; Mon, 2 Jul 2018 09:22:03 +0000 (UTC) (envelope-from freebsd-arm@sentry.org) Received: from shadow.sentry.org (localhost [127.0.0.1]) by shadow.sentry.org (8.15.2/8.15.2) with ESMTP id w629LrkE080036 for ; Mon, 2 Jul 2018 19:21:55 +1000 (AEST) (envelope-from freebsd-arm@sentry.org) Subject: Re: RPI3 swap experiments To: freebsd-arm@freebsd.org References: <20180627194217.GA27793@www.zefox.net> <20180628022457.GA30110@www.zefox.net> <7B9D272D-3EDE-46FA-8A1C-AEE65047167C@yahoo.com> <20180628163328.GA33408@www.zefox.net> <51e208b4-9f14-58f7-1e70-6ef8db2c0bed@sentry.org> <20180629155131.GA35717@www.zefox.net> <20180629233937.GC35717@www.zefox.net> <0f137e06-214a-3e8c-a216-f061ec04ac2c@sentry.org> <20180630005145.GA43801@www.zefox.net> From: Trev Message-ID: <6f3406e2-71f3-d0c2-2b65-703e1a1d3c25@sentry.org> Date: Mon, 2 Jul 2018 19:21:53 +1000 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.3 MIME-Version: 1.0 In-Reply-To: <20180630005145.GA43801@www.zefox.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (shadow.sentry.org [0.0.0.0]); Mon, 02 Jul 2018 19:21:55 +1000 (AEST) X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Jul 2018 09:22:05 -0000 >> bob prohaska wrote on 30/06/2018 09:39: >> In my notes I don't find an RPi3 test case for 2GB swap, only 1, 2.3 and 3. >> I _think_ 2 GB is enough, based on a ~1.4 GB peak, but apparently didn't test it. >> Apologies for the misinformation! Just for info: A successful make -j4 buildworld using swap (2G) and /usr/obj (20G) on an external USB mechanical disk drive on the RPi3B+ used a maximum swap of 1130MB in multi-user with almost nothing else running apart from my logging script calling top, head, gstat and grep every second or two. Now running a make -j4 buildworld with 2G of swap on a USB memory key plugged into a powered USB hub...