From nobody Mon Jan 29 12:48:21 2024 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TNp5971jGz58fg1 for ; Mon, 29 Jan 2024 12:48:45 +0000 (UTC) (envelope-from void@f-m.fm) Received: from wout3-smtp.messagingengine.com (wout3-smtp.messagingengine.com [64.147.123.19]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4TNp586BXHz49Nx for ; Mon, 29 Jan 2024 12:48:44 +0000 (UTC) (envelope-from void@f-m.fm) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=f-m.fm header.s=fm3 header.b=rZWiXu3q; dkim=pass header.d=messagingengine.com header.s=fm3 header.b="XvHtLK/0"; dmarc=pass (policy=none) header.from=f-m.fm; spf=pass (mx1.freebsd.org: domain of void@f-m.fm designates 64.147.123.19 as permitted sender) smtp.mailfrom=void@f-m.fm Received: from compute6.internal (compute6.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id D1B673200319 for ; Mon, 29 Jan 2024 07:48:42 -0500 (EST) Received: from imap46 ([10.202.2.96]) by compute6.internal (MEProxy); Mon, 29 Jan 2024 07:48:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=f-m.fm; h=cc :content-type:content-type:date:date:from:from:in-reply-to :message-id:mime-version:reply-to:subject:subject:to:to; s=fm3; t=1706532522; x=1706618922; bh=srm+qEucbeeqvW8a2q1W8tHV4iSpyQDU jbYgDGcurYw=; b=rZWiXu3qLrFoRko2T6Jg85LdeKvKBkHXJUbr/issGbLRSYY/ R/Qt5Z8e8R6vDZY/9Mw2b+FXKceh6w9fpF21lARIFoFN++aD2b9pkTz2WDiWEMfc kOrvJfeGN6hpOawU2gVKWaJA4yT3+diVNt7MQzRlwsTeaxwaImCDJb2u7hZE/+YZ k1XENc7pZ51T/slkhT2IShkSSQKrcexPraGnGJyep+RE5/UacxGdwPaT8TsHWxV9 yHdMopLvC5uDv+u3+feWlsHj+/IAiiA1x1jderCsbO+IFBlD1mP0PSc+OJDj44/7 9TjXT5Gbj88yAk80g9/JKywogj36Vf9iEVXWIQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:message-id :mime-version:reply-to:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1706532522; x=1706618922; bh=srm+qEucbeeqvW8a2q1W8tHV4iSpyQDUjbY gDGcurYw=; b=XvHtLK/0voYBRKKNeENCSzQJ8FZW3ds4WF5pxZr07Qgr/NzqE7E IvjZ1wk04DohRDJrx/cMQehmafpkwXXAO5bk3OibcoHU0Ak4zEUG7Vte1kzssigL 6m7xCDce4FAV3nE+sVaS0XldTMADo6zVEr8igEBwJmultZkLrdRTmNE9ZvhaPzKj fEEda7imKNhghmL76uGnml0brZ2NcgqrU1m5+bfig8OfDA7KFWthHfVrBu0TT0Q7 NCuLD0rvdOTqcMImk0YjOJxpblwiU89n68BVBSbop08s51+T7ciB5h7adRuBS0mU twmJw4tAR88ySmpriU0b8rXzg8ExVwpv8ZA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvkedrfedtgedgfeegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefofgggkfffhffvufgtsehttdertd erredtnecuhfhrohhmpehvohhiugcuoehvohhiugesfhdqmhdrfhhmqeenucggtffrrght thgvrhhnpeeftdfhhefgjeeiteevfeeghedvkeefgeetudffffehfffgjeehtedukefhje dtveenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehv ohhiugesfhdqmhdrfhhm X-ME-Proxy: Feedback-ID: i2541463c:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id 2190E2A2008B; Mon, 29 Jan 2024 07:48:42 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-144-ge5821d614e-fm-20240125.002-ge5821d61 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Message-Id: Date: Mon, 29 Jan 2024 12:48:21 +0000 From: void To: freebsd-hackers@freebsd.org Subject: arm64 swap-related question Content-Type: text/plain X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.39 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.90)[-0.896]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; RWL_MAILSPIKE_EXCELLENT(-0.40)[64.147.123.19:from]; R_SPF_ALLOW(-0.20)[+ip4:64.147.123.19]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm3,messagingengine.com:s=fm3]; RCVD_IN_DNSWL_LOW(-0.10)[64.147.123.19:from]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; RCVD_COUNT_THREE(0.00)[3]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_ONE(0.00)[1]; FREEMAIL_FROM(0.00)[f-m.fm]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:29838, ipnet:64.147.123.0/24, country:US]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim] X-Rspamd-Queue-Id: 4TNp586BXHz49Nx Hello, What's the default granularity with swapping on recent -current on arm64? ie. whats the smallest size of data that is swapped out. 1k? 4k? Where can I find this info? Can it be set/tuned? How to see what it currently is? I'd like to set it to 32k if possible. Read performance on this disk for swap tops out at 60MB/s with a 32k block size. For bs=512 it's 1349 kB/s For bs=4k it's 11MB/s context: the thing I'm trying to work around is poor swap performance on this arch/hardware. --