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[209.132.180.67]) by mx.google.com with ESMTP id q129-v6si9945421pga.217.2018.09.07.18.47.11; Fri, 07 Sep 2018 18:47:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726397AbeIHG3r convert rfc822-to-8bit (ORCPT + 99 others); Sat, 8 Sep 2018 02:29:47 -0400 Received: from mga09.intel.com ([134.134.136.24]:41323 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbeIHG3q (ORCPT ); Sat, 8 Sep 2018 02:29:46 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Sep 2018 18:46:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,344,1531810800"; d="scan'208";a="84088773" Received: from fmsmsx107.amr.corp.intel.com ([10.18.124.205]) by fmsmga002.fm.intel.com with ESMTP; 07 Sep 2018 18:46:05 -0700 Received: from fmsmsx111.amr.corp.intel.com (10.18.116.5) by fmsmsx107.amr.corp.intel.com (10.18.124.205) with Microsoft SMTP Server (TLS) id 14.3.319.2; Fri, 7 Sep 2018 18:46:05 -0700 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by fmsmsx111.amr.corp.intel.com (10.18.116.5) with Microsoft SMTP Server (TLS) id 14.3.319.2; Fri, 7 Sep 2018 18:46:05 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.226]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.205]) with mapi id 14.03.0319.002; Sat, 8 Sep 2018 09:46:03 +0800 From: "Wang, Wei W" To: "Dr. David Alan Gilbert" CC: "Michael S. Tsirkin" , "virtio-dev@lists.oasis-open.org" , "linux-kernel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "kvm@vger.kernel.org" , "linux-mm@kvack.org" , "mhocko@kernel.org" , "akpm@linux-foundation.org" , "torvalds@linux-foundation.org" , "pbonzini@redhat.com" , "liliang.opensource@gmail.com" , "yang.zhang.wz@gmail.com" , "quan.xu0@gmail.com" , "nilal@redhat.com" , "riel@redhat.com" , "peterx@redhat.com" Subject: RE: [PATCH v36 0/5] Virtio-balloon: support free page reporting Thread-Topic: [PATCH v36 0/5] Virtio-balloon: support free page reporting Thread-Index: AQHUIAglrybJe3xqWk2ztdP0qZFBfKScVseAgAAIBYCARxh+gIABD4EAgAFjRrA= Date: Sat, 8 Sep 2018 01:46:02 +0000 Message-ID: <286AC319A985734F985F78AFA26841F7397924FE@shsmsx102.ccr.corp.intel.com> References: <1532075585-39067-1-git-send-email-wei.w.wang@intel.com> <20180723122342-mutt-send-email-mst@kernel.org> <20180723143604.GB2457@work-vm> <5B911B03.2060602@intel.com> <20180907122955.GD2544@work-vm> In-Reply-To: <20180907122955.GD2544@work-vm> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiZTdlZmRkZjMtYWU3MS00Yzc0LTk5NWYtM2JiMTgxMWMyMzQ3IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiZ2RHNFVrbktjWXVvRVpMRWo4K1BDWTcrenpXUmNTb2p2dmtNeTF1K1VkSExyVVRSdHM3UXNJSVh1SmZpbWJrciJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, September 7, 2018 8:30 PM, Dr. David Alan Gilbert wrote: > OK, that's much better. > The ~50% reducton with a 8G VM and a real workload is great, and it does > what you expect when you put a lot more RAM in and see the 84% reduction > on a guest with 128G RAM - 54s vs ~9s is a big win! > > (The migrate_set_speed is a bit high, since that's in bytes/s - but it's not > important). > > That looks good, > Thanks Dave for the feedback. Hope you can join our discussion and review the v37 patches as well. Best, Wei