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=-0.4 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 5E3F9C2D0CE for ; Sun, 29 Dec 2019 13:41:29 +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 297652071E for ; Sun, 29 Dec 2019 13:41:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="ejP2K8MI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 297652071E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=163.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52227 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ilYoy-000595-6I for qemu-devel@archiver.kernel.org; Sun, 29 Dec 2019 08:41:28 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45462) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ilYnr-0004R9-0O for qemu-devel@nongnu.org; Sun, 29 Dec 2019 08:40:20 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ilYnn-0006HN-03 for qemu-devel@nongnu.org; Sun, 29 Dec 2019 08:40:16 -0500 Received: from m13-37.163.com ([220.181.13.37]:27558) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ilYnl-0005MA-Ny for qemu-devel@nongnu.org; Sun, 29 Dec 2019 08:40:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:MIME-Version:Message-ID; bh=aqyNT CLsWotDG722/uL/In/KHezf7X1vHiIzYlyMYKg=; b=ejP2K8MI4DRIRIi2NnGYV 2QvMUgDqUh/PPSCY6TUCYfAY/q5ZiE/KX0s9Jy4XmYDc6wQDA7fGy9wKesVU3Ai0 iM9tdVLWvgL3Fuzq0tsj9ayuFf4hhUX4jMuAcHEA0TubR0Hllc2KLKLFxgq4rzG9 EilDlokjmuSE35vTxrkmIw= Received: from kvmluck$163.com ( [218.241.252.184] ) by ajax-webmail-wmsvr37 (Coremail) ; Sun, 29 Dec 2019 21:24:32 +0800 (CST) X-Originating-IP: [218.241.252.184] Date: Sun, 29 Dec 2019 21:24:32 +0800 (CST) From: yue To: qemu-devel , stefanha@redhat.com, jasowang@redhat.com Subject: virtio-net has a sudden high latency X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.10 build 20190724(ac680a23) Copyright (c) 2002-2019 www.mailtech.cn 163com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <45b54112.86f0.16f51d46a01.Coremail.kvmluck@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: JcGowAB3fxsQqQheS94_Ag--.55482W X-CM-SenderInfo: xnypz3lfn6il2tof0z/1tbiKROaiVXlukwRzgACsy X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 220.181.13.37 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" SGksIGFsbC7CoHZpcnRpby1uZXQgwqBoYXMgYSBzdWRkZW4gaGlnaCBsYXRlbmN5IHdoZW4gcmVj ZWl2aW5nLiDCoGkgdGhpbmsgaXQgaXMgaXJxIHJlbGF0ZWQsIGJ1dCBpIGhhdmUgbm8gaWRlYSB0 byBmaXggaXQuCmNlbnRvc8KgMy4xMC4wLTY5My4yMS4xLmVsNy54ODZfNjQgO8KgcWVtdS1rdm0t ZXYtMi42LjAtMjguZWw3XzMuOS4xLng4Nl82NCDCoDsgwqDCoApwaHlzaWNhbCBtYWNoaW5lIGhh cyA0MCBjcHVzLCDCoCB0aGUgdHdvIHZtcyBhcmUgb24gdGhlIHNhbWUgbm9kZSwgwqBjcHUgbG9h ZCBpcyB2ZXJ5IGxvdy4KCgoxKSBwaWMxOsKgwqBpbnNpZGXCoHZtMSgxOTIuMTY4LjkxLjQpwqAs wqBwaW5nwqAxOTIuMTY4LjkxLjU7IMKgcGxlYXNlIG5vdGljZcKgaWNtcCBzZXHCoMKgMjAKWzE1 NzcyNTI0NTYuNjAwNDI2XSA2NCBieXRlcyBmcm9tIDE5Mi4xNjguOTEuNTogaWNtcF9zZXE9MTIg dHRsPTY0IHRpbWU9MC42OTIgbXMKWzE1NzcyNTI0NTcuNjAwNTE0XSA2NCBieXRlcyBmcm9tIDE5 Mi4xNjguOTEuNTogaWNtcF9zZXE9MTMgdHRsPTY0IHRpbWU9MC40NjIgbXMKWzE1NzcyNTI0NTgu NjAwNTkwXSA2NCBieXRlcyBmcm9tIDE5Mi4xNjguOTEuNTogaWNtcF9zZXE9MTQgdHRsPTY0IHRp bWU9MC4zOTYgbXMKWzE1NzcyNTI0NTkuNjAwOTIyXSA2NCBieXRlcyBmcm9tIDE5Mi4xNjguOTEu NTogaWNtcF9zZXE9MTUgdHRsPTY0IHRpbWU9MC44ODggbXMKWzE1NzcyNTI0NjAuNjAwNDQ1XSA2 NCBieXRlcyBmcm9tIDE5Mi4xNjguOTEuNTogaWNtcF9zZXE9MTYgdHRsPTY0IHRpbWU9MC4zNTUg bXMKWzE1NzcyNTI0NjEuNjAxMzI4XSA2NCBieXRlcyBmcm9tIDE5Mi4xNjguOTEuNTogaWNtcF9z ZXE9MTcgdHRsPTY0IHRpbWU9MC4zMTEgbXMKWzE1NzcyNTI0NjIuNjAwNDQ5XSA2NCBieXRlcyBm cm9tIDE5Mi4xNjguOTEuNTogaWNtcF9zZXE9MTggdHRsPTY0IHRpbWU9MC40MjQgbXMKWzE1Nzcy NTI0NjMuNjAxNzI1XSA2NCBieXRlcyBmcm9tIDE5Mi4xNjguOTEuNTogaWNtcF9zZXE9MTkgdHRs PTY0IHRpbWU9MC4zMjIgbXMKWzE1NzcyNTI0NjQuNjA2NzUyXSA2NCBieXRlcyBmcm9tIDE5Mi4x NjguOTEuNTogaWNtcF9zZXE9MjAgdHRsPTY0IHRpbWU9NS42NSBtcwpbMTU3NzI1MjQ2NS42MDM1 NjldIDY0IGJ5dGVzIGZyb20gMTkyLjE2OC45MS41OiBpY21wX3NlcT0yMSB0dGw9NjQgdGltZT0w LjQzOCBtcwpbMTU3NzI1MjQ2Ni42MDM2NzldIDY0IGJ5dGVzIGZyb20gMTkyLjE2OC45MS41OiBp Y21wX3NlcT0yMiB0dGw9NjQgdGltZT0wLjQ5NCBtcwpbMTU3NzI1MjQ2Ny42MDM1NDVdIDY0IGJ5 dGVzIGZyb20gMTkyLjE2OC45MS41OiBpY21wX3NlcT0yMyB0dGw9NjQgdGltZT0wLjQzMSBtcwoK CnRjcGR1bXAgaW5zaWRlIHZtMSA7wqAKCjEzOjQxOjA0LjYwMTAxNiBJUCAxOTIuMTY4LjkxLjQg PiAxOTIuMTY4LjkxLjU6IElDTVAgZWNobyByZXF1ZXN0LCBpZCAxODM3NSwgc2VxIDIwLCBsZW5n dGggNjQKMTM6NDE6MDQuNjA2NjQ3IElQIDE5Mi4xNjguOTEuNSA+IDE5Mi4xNjguOTEuNDogSUNN UCBlY2hvIHJlcGx5LCBpZCAxODM3NSwgc2VxIDIwLCBsZW5ndGggNjQKCjIpIGNhcHR1cmUgcGFj a2V0IG9uIGl0cyBiYWNrZW5kIHRhcCBkZXZpY2Ugb24gaHlwZXJ2aXNvciA7IMKgwqDCoHRjcGR1 bXAgLW5uIC1pIHRhcDU4MDNjNTc1LTRhIGljbXAgYW5kIGhvc3QgMTkyLjE2OC45MS41IGFuZCBo b3N0IDE5Mi4xNjguOTEuNAoKMTM6NDE6MDQuNjAxMTY2IElQIDE5Mi4xNjguOTEuNCA+IDE5Mi4x NjguOTEuNTogSUNNUCBlY2hvIHJlcXVlc3QsIGlkIDE4Mzc1LCBzZXEgMjAsIGxlbmd0aCA2NAox Mzo0MTowNC42MDEzNjIgSVAgMTkyLjE2OC45MS41ID4gMTkyLjE2OC45MS40OiBJQ01QIGVjaG8g cmVwbHksIGlkIDE4Mzc1LCBzZXEgMjAsIGxlbmd0aCA2NAppdCBzaG93cyDCoHRhcCB0YWtlcyBu byBtdWNoIHRpbWUgYmV0d2VlbiBzZW5kIGFuZCByZWNlaXZlLgoKMykKNjA2NjQ3IC3CoDYwMTM2 MiA9IDUuM21zICwgwqB0aGlzIGlzIGNvbnN1bWVkIGJ5IHZpcnRpby1uZXQuCnNpbWlsYXJseSwg d2hlbiAxOTIuMTY4LjkxLjUgcmVjZWl2ZSBwYWNrZXRzIGZyb20gaXRzIGJhY2tlbmQsIGl0IGFs c28gaGFzIHN1ZGRlbiBoaWdoIGxhdGVuY3kuCgoKZG8geW91IGFsbCBoYXZlIGFueSBpZGVhcz8K Cgp0aGFua3MKCgoKCsKgCgoKwqA=