From owner-freebsd-current@freebsd.org Wed Apr 14 13:32:32 2021 Return-Path: Delivered-To: freebsd-current@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 D6C765D938F for ; Wed, 14 Apr 2021 13:32:32 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4FL3LS4mBzz3GjV for ; Wed, 14 Apr 2021 13:32:32 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: by mailman.nyi.freebsd.org (Postfix) id A18195D90A9; Wed, 14 Apr 2021 13:32:32 +0000 (UTC) Delivered-To: current@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 A135A5D907A; Wed, 14 Apr 2021 13:32:32 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mail-qt1-x833.google.com (mail-qt1-x833.google.com [IPv6:2607:f8b0:4864:20::833]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FL3LS3yyQz3GV0; Wed, 14 Apr 2021 13:32:32 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: by mail-qt1-x833.google.com with SMTP id f12so15420679qtf.2; Wed, 14 Apr 2021 06:32:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=LuvxfwLIcPgQ0mCv9Lscq1f7YIf1BxAcEb0p71zuKyY=; b=aEuVIT3Rp7cidoyF8DUnjF630K72uGO9y6MJgkKyJZST0xx0ELR1XMaf1srYQB9OU8 yM4Q/yJnWE98v/YeTLcofqPt/S3YudjTi/LkzYw/XgJKHQI9zLWIIiY7x4LYtZ0uBBTP /OnklQvHxmZodTZOcX5TUKTChwTUx2+8RF1lvjeUFScXZ7lvppUBdS0JmGvuldG+1/v5 etL75QcUcqOamW/5lFFHqKymZmNaA00B15NbT+3c7bmgpjYj6d8ZPO3e7J39NcAjwWLk 0jbYVewveiARP8z7vhVfS43873mLRoruExw7mxjHE2/w5rjlRTQUGmBdJjout+jQnO4q sm1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=LuvxfwLIcPgQ0mCv9Lscq1f7YIf1BxAcEb0p71zuKyY=; b=kS0p2+vmMZZ+0PSXAEUQRAmER1UVGregS9DrlmnsqpNVcK/oIYi+weqK+zBGpfsoXM r8MKOJ4AYloiC3zba4Rrd3v0MtFNZCKb1U5kZ0k3Y65lCfMGUf+wuDbTR9gA1/XL8gxJ WLLrUhHuHhCeaGCm7GCGrL7eAoep8qMpFYuvxlCwCgATfVfzdSBQc6x26biEaQk/Dz3P 3n/d7o+OFl8Sx9qn1uttr7WDgp+KBk2qbg/DiY7Wk+q09dYLD0uewmr3gwmX2Wrfk/C8 wZgAV6NkzJeKkkguJcd1DG4VjscXXnMogdEj7/a7Z+FdzFvtHoKnoV9NGyRajYRz3Z6k uL7Q== X-Gm-Message-State: AOAM5337PtwGG/Pa6CM3Or2DSLIzluhmO5yx5XjxEdMhAU9Z4mxTcSv3 xjjBjlp/mZB3WlK8hHpdjzdj/pSk+D6k5w== X-Google-Smtp-Source: ABdhPJwfF2IUnsiBFT9q68TuUTqIKSJpHuCZXD8ZT+oDnk4fKkzHRVslnBJSWZ0oPEvlkNd6XvbmGw== X-Received: by 2002:a05:622a:1c5:: with SMTP id t5mr34246227qtw.49.1618407151216; Wed, 14 Apr 2021 06:32:31 -0700 (PDT) Received: from nuc ([142.126.164.150]) by smtp.gmail.com with ESMTPSA id i6sm12232807qkf.96.2021.04.14.06.32.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Apr 2021 06:32:30 -0700 (PDT) Sender: Mark Johnston Date: Wed, 14 Apr 2021 09:32:32 -0400 From: Mark Johnston To: Andriy Gapon Cc: freebsd-stable List , FreeBSD Current Subject: Re: stable/13, vm page counts do not add up Message-ID: References: <0606571f-fec0-c7ad-98e8-a0b8554918e2@FreeBSD.org> <23d370fa-41db-a89b-03fd-e45deb874aed@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <23d370fa-41db-a89b-03fd-e45deb874aed@FreeBSD.org> X-Rspamd-Queue-Id: 4FL3LS3yyQz3GV0 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 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: Wed, 14 Apr 2021 13:32:32 -0000 On Wed, Apr 14, 2021 at 02:21:44PM +0300, Andriy Gapon wrote: > 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... There was a regression, see PR 253440. I think you have the fix already, but perhaps not. Could you show output from "dtrace -lv -n fbt::vm_page_unwire:entry"? > > 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