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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 F2326C3F2D1 for ; Tue, 3 Mar 2020 15:37:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B565720828 for ; Tue, 3 Mar 2020 15:37:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VzTfoZQ4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B565720828 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49122 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j99ba-0007AE-RR for qemu-devel@archiver.kernel.org; Tue, 03 Mar 2020 10:37:10 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47183) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j99al-0006Us-Uj for qemu-devel@nongnu.org; Tue, 03 Mar 2020 10:36:20 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j99al-0002iR-41 for qemu-devel@nongnu.org; Tue, 03 Mar 2020 10:36:19 -0500 Received: from mail-oi1-x22e.google.com ([2607:f8b0:4864:20::22e]:40884) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j99al-0002iI-07 for qemu-devel@nongnu.org; Tue, 03 Mar 2020 10:36:19 -0500 Received: by mail-oi1-x22e.google.com with SMTP id j80so3420528oih.7 for ; Tue, 03 Mar 2020 07:36:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=CO7Uz8AGna+h6PUzfBlbwU0xtntpDnmxOND4mtlTH0A=; b=VzTfoZQ4eeJZfEpQgfYXEPAQIAwB7jliusDB8+69q0k4Vg2oDsH93/3y92aZIEEt49 ocw9k0aRd/lz7kzQnKKJN2RM2RqH9RHtmGNtSg2RcY3xrbhY4UM9LpDiakXjUgDEJefS BAWHoFk6ZBzMbxli07ng2jZFc7d/EjLtbsDilF1xigXqd2OhRzwmt6f1AmS5SH+xNA7M 2QzgDIFZ05DE7P60mR0JnZq8QhX3KG+7WN6sEyZ4lXknN+ctqz+rU3o5o4APORPkhgC3 sM5Uo1tnGEFtppGB4Txzi/JkDIFGGIXMdnS3a7bXw8NtlKKME6OhgXl/p2Hvu5LUkZES GjrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=CO7Uz8AGna+h6PUzfBlbwU0xtntpDnmxOND4mtlTH0A=; b=clQJaNP9xxoXBwfCr5APT/qQk15LCHVDtmzF7jg56VQmhVIuSffpVu2RvV1CT1zWla 3erbTe53wOMnyadplBARVK43WXYFs6r+bMXgqGBoI9sc894j4IBUggtYniMGjK5seQvZ 2Df1joLhafE5WarHYiqrmv+mCAadltaOOdUORyw60I5QgNKM/jDMGdir/JrTs02amg6H zp9l5ty2FNKRAo6dRjpAwVzGKUld4say3FGVjlBXcOnkd5/OWQ3HUCBMQlM1CRY3ByGi wiyOV3c5PVBnwGuweCbB+Hkd01aiizLITDhvpOKCHtF9jsnjb9uMiFjISbZNtS7BiyWR hdCA== X-Gm-Message-State: ANhLgQ0QEhw1O/Y48vYhtT7tqyRF7+P4lsy341i2NySuyTbnDQZ8BPmg YPr0a6m4VdwxvwANajZSeWdq+z5RVe/8kHd7mt6KWrE+kRo= X-Google-Smtp-Source: ADFU+vtWR959iZIQByMHZp/iFg+ncOf3RoDavMwHgeIUzR6y7XUQgv6r7SpH+swm9C7Lfn2Lowt4rO9KFTePm9gXH4Y= X-Received: by 2002:aca:4987:: with SMTP id w129mr2954064oia.103.1583249777290; Tue, 03 Mar 2020 07:36:17 -0800 (PST) MIME-Version: 1.0 From: Jing-Wei Su Date: Tue, 3 Mar 2020 23:36:06 +0800 Message-ID: Subject: COLO PVM and SVM's memory usages To: qemu-devel@nongnu.org Content-Type: text/plain; charset="UTF-8" X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::22e X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hello, I've found the SVM consumes lots of memory than expected. After booting the PVM and SVM with "-m 1024", PVM consumes 1GB, but SVM consumes 3.2GB. After PVM died and SVM takes over, the SVM consumes 2.1GB. Any idea about why the SVM consumes lots of memory? Thanks! Memory usage of PVM #~/libvirt# cat /proc/9661/status |grep VmRS VmRSS: 1080828 kB Memory usage of SVM #~/libvirt# cat /proc/9696/status |grep VmRS VmRSS: 3199476 kB Memory usage of SVM after PVM died # cat /proc/9696/status |grep VmRS VmRSS: 2144200 kB Sincerely, Jing-Wei