From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7238C433E0 for ; Wed, 20 May 2020 04:01:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A212A2075F for ; Wed, 20 May 2020 04:01:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A212A2075F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vt.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 431368004A; Wed, 20 May 2020 00:01:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3E0698002C; Wed, 20 May 2020 00:01:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2A8508004A; Wed, 20 May 2020 00:01:32 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0047.hostedemail.com [216.40.44.47]) by kanga.kvack.org (Postfix) with ESMTP id 0F3ED8002C for ; Wed, 20 May 2020 00:01:32 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C61F9824805A for ; Wed, 20 May 2020 04:01:31 +0000 (UTC) X-FDA: 76835747982.08.cause97_2a65f4da24e0e X-HE-Tag: cause97_2a65f4da24e0e X-Filterd-Recvd-Size: 4859 Received: from omr1.cc.vt.edu (outbound.smtp.vt.edu [198.82.183.121]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Wed, 20 May 2020 04:01:31 +0000 (UTC) Received: from mr3.cc.vt.edu (mr3.cc.ipv6.vt.edu [IPv6:2607:b400:92:8500:0:7f:b804:6b0a]) by omr1.cc.vt.edu (8.14.4/8.14.4) with ESMTP id 04K41Uc6016174 for ; Wed, 20 May 2020 00:01:30 -0400 Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by mr3.cc.vt.edu (8.14.7/8.14.7) with ESMTP id 04K41PXo017264 for ; Wed, 20 May 2020 00:01:30 -0400 Received: by mail-qt1-f197.google.com with SMTP id z5so2291143qtz.16 for ; Tue, 19 May 2020 21:01:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=9cEkHKKrUTnMWRLbEA9h5lCMVSa29MhM0SZM2VVCMlI=; b=Ckq2rV8wGiTlXpddyARDbMTiKdnn6axjNiJEFMjXj8CrJAuAUJzYRkvAghC8u9LYNO JVq04n5zsvrgf20NXGaxsgJzCLxuL4PFWOZTXdqLUmdO83/Ab6WoUhZgTYALMwuHks1+ gsOAT0zjWnPI67+/ACAq+dnR/wHjCR6osSiKgTfd5yvJu8nZ3161hJ1tGG6OHwQ736NB 3cDOkBrR1l9j2WH6PecblBFODVda8qLH/m7kxFdEbGwF+vydEGx0hKR8JWd4mSOwuegc dTPJkwFxuZZmw0DScDrjp7Fx78y91WfZPqareSpGpoSi/ocgUd7mTtuag6WUN5z3NBkb EBZw== X-Gm-Message-State: AOAM5337GZNJjqOpVJWyn3DyATq1ZocF0O1GCRI0vU7IZUmQYQiRXLBy PGbE+LTB8r7EfHnmk1Rwc3/+fht/MxL4DIkKAoMp1g0xsWkqyLuQp2N5l3cBB7XrMH0e2spWTtH t//o4kMEbhO6G5eqxnHwgDQ== X-Received: by 2002:a05:6214:122e:: with SMTP id p14mr2957514qvv.168.1589947285331; Tue, 19 May 2020 21:01:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwerNaqIF02klLFGg4KEMpXaH3drXmA8iv3n4EPqkR8ABCDjT2CKXoF1Oc625FcS254SoCTMA== X-Received: by 2002:a05:6214:122e:: with SMTP id p14mr2957487qvv.168.1589947284999; Tue, 19 May 2020 21:01:24 -0700 (PDT) Received: from turing-police ([2601:5c0:c001:c9e1::359]) by smtp.gmail.com with ESMTPSA id c25sm1252125qkm.119.2020.05.19.21.01.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 May 2020 21:01:22 -0700 (PDT) From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Pintu Agarwal Cc: Kernelnewbies , linux-mm Subject: Re: Estimating total memory usage in any Linux system In-Reply-To: References: Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1589947281_6829P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Wed, 20 May 2020 00:01:22 -0400 Message-ID: <21691.1589947282@turing-police> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --==_Exmh_1589947281_6829P Content-Type: text/plain; charset=us-ascii On Tue, 19 May 2020 22:33:15 +0530, Pintu Agarwal said: > > Below are some data taken from a small embedded arm32 device with 512MB RAM: > > > > Sorry, I forgot to mention the kernel version. Here it is 3.18 Kernel That's a kernel from 2014. You don't seriously expect us to remember how all those counters worked back then, do you? That's a very real issue, not sarcasm: [/usr/src/linux-next] git diff --shortstat v3.18..next-20200518 76288 files changed, 15101441 insertions(+), 5417984 deletions(-) You're asking about what the numbers meant 15 million lines of code ago. --==_Exmh_1589947281_6829P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.9.0 11/07/2018 iQIVAwUBXsSrkQdmEQWDXROgAQJcLg//TpSK6Ya3FMeIqrE0wS7eNESqoSMVo2U/ klVd85xSmnIIixJzdnWYkLN69su8OeJX/wkqcIvSFUSC9r7pSOmXNVSMg/02iQtc AqSPmpPWl/T4wmCtDYzkAcK3zrA+NfcFJ7bpb/kqduAVX+0pxNrgromB+gadafDC 7DjRXyWXXgHhH2+6sfFHuGe0KlXiq9gpPMpM7e32h+YEw1GNz6IerVbOo4QPPF8I u/mApIE0vIPRlvuHAJqFsSXEGmXa4hu9xQyLn6wNS8fgULb0mP2sp+C1vOjgfL6c UmyoxRlRwccV2jkz3H+vI6i6Sp/1OaTTqhvM/o9YjiCAtskhFuKSbz98flOPLkNR ZMHtXFb/LYJTeV6SUOmA8OJlihtK42t4znlPtV7jwUtJuvrKvinweQU7q2SQ7JM5 GnoCraarpShZINaoJ28fCKLuEkG2Q+LLjUXwUYM1SR7hEjxDZ0paG9STnZmucMj6 XbNDepcKkxZjsYovxEeYK1OCYqfFd/m89RG7Er4WM4T7BRP5tqc304qWs5zcUgiw EF7tcjWpRwd0bkZ68fCy/UnTAP7C39I/s0vL1LpQ6jprpRIyqIlp6fMj5SDxWxmA +fZlg7ooPS7NDnUTGSkVKN1wsBHVOoLeEgILv7w7PHJMaQxVeqrtaliTLwLyzMWD sgQ14KSAOPU= =tuMM -----END PGP SIGNATURE----- --==_Exmh_1589947281_6829P--