From patchwork Tue Nov 9 03:04:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rao, Lei" X-Patchwork-Id: 12609637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2762BC433F5 for ; Tue, 9 Nov 2021 03:14:27 +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 BFCA56112D for ; Tue, 9 Nov 2021 03:14:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BFCA56112D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:35968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkHab-0006gA-HS for qemu-devel@archiver.kernel.org; Mon, 08 Nov 2021 22:14:25 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49738) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkHZe-0005U0-7H for qemu-devel@nongnu.org; Mon, 08 Nov 2021 22:13:26 -0500 Received: from mga12.intel.com ([192.55.52.136]:12436) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkHZb-00053W-Ie for qemu-devel@nongnu.org; Mon, 08 Nov 2021 22:13:25 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10162"; a="212400222" X-IronPort-AV: E=Sophos;i="5.87,219,1631602800"; d="scan'208";a="212400222" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Nov 2021 19:13:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,219,1631602800"; d="scan'208";a="491490279" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.105]) by orsmga007.jf.intel.com with ESMTP; 08 Nov 2021 19:13:15 -0800 From: "Rao, Lei" To: chen.zhang@intel.com, zhang.zhanghailiang@huawei.com, quintela@redhat.com, lukasstraub2@web.de, dgilbert@redhat.com Subject: [PATCH v7 0/2] Optimized some codes and fixed PVM hang when enabling auto-converge Date: Tue, 9 Nov 2021 11:04:53 +0800 Message-Id: <1636427095-11739-1-git-send-email-lei.rao@intel.com> X-Mailer: git-send-email 1.8.3.1 Received-SPF: pass client-ip=192.55.52.136; envelope-from=lei.rao@intel.com; helo=mga12.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Rao, Lei" , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Rao, Lei" Changes since v1-v6: --Reset the state of the auto-converge counters at every checkpoint instead of directly disabling. --Remove cpu_throttle_stop from mig_throttle_counter_reset. The series of patches include: Reduced the PVM stop time during checkpoint. Fixed the PVM hang when enabling auto-converge feature for COLO. Rao, Lei (2): Reset the auto-converge counter at every checkpoint. Reduce the PVM stop time during Checkpoint migration/colo.c | 4 ++++ migration/ram.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++--- migration/ram.h | 1 + 3 files changed, 59 insertions(+), 3 deletions(-)