From owner-freebsd-stable@freebsd.org Wed Apr 14 11:21:48 2021 Return-Path: Delivered-To: freebsd-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id BCE7B5D3EF2 for ; Wed, 14 Apr 2021 11:21:48 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4FL0Rc4wNYz4sB1 for ; Wed, 14 Apr 2021 11:21:48 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: by mailman.nyi.freebsd.org (Postfix) id A56CE5D4031; Wed, 14 Apr 2021 11:21:48 +0000 (UTC) Delivered-To: stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A51205D410E; Wed, 14 Apr 2021 11:21:48 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) (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 4FL0Rc1wrLz4s70; Wed, 14 Apr 2021 11:21:47 +0000 (UTC) (envelope-from avg@FreeBSD.org) X-Originating-IP: 195.64.148.76 Received: from [192.168.0.88] (unknown [195.64.148.76]) (Authenticated sender: andriy.gapon@uabsd.com) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id A70F61C0007; Wed, 14 Apr 2021 11:21:45 +0000 (UTC) To: Mark Johnston Cc: freebsd-stable List , FreeBSD Current References: <0606571f-fec0-c7ad-98e8-a0b8554918e2@FreeBSD.org> From: Andriy Gapon Subject: Re: stable/13, vm page counts do not add up Message-ID: <23d370fa-41db-a89b-03fd-e45deb874aed@FreeBSD.org> Date: Wed, 14 Apr 2021 14:21:44 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4FL0Rc1wrLz4s70 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Apr 2021 11:21:48 -0000 On 14/04/2021 00:18, Mark Johnston wrote: > fbt::vm_page_unwire:entry > /args[0]->oflags & 0x4/ > { > @unwire[stack()] = count(); > } Unrelated report, dtrace complains about this probe on my stable/13 system: failed to resolve translated type for args[0] And I do not have any idea why... From ctfdump: [27290] FUNC (vm_page_unwire) returns: 38 args: (1463, 3) <1463> TYPEDEF vm_page_t refers to 778 <778> POINTER (anon) refers to 3575 <3575> STRUCT vm_page (104 bytes) plinks type=3563 off=0 listq type=3558 off=128 object type=3564 off=256 pindex type=3565 off=320 phys_addr type=42 off=384 md type=3571 off=448 ref_count type=31 off=640 busy_lock type=31 off=672 a type=3573 off=704 order type=3 off=736 pool type=3 off=744 flags type=3 off=752 oflags type=3 off=760 psind type=2167 off=768 segind type=2167 off=776 valid type=3574 off=784 dirty type=3574 off=792 -- Andriy Gapon