From patchwork Mon Mar 25 17:46:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 10869757 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 775A9139A for ; Mon, 25 Mar 2019 18:11:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 63DF51FF14 for ; Mon, 25 Mar 2019 18:11:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5807D2907C; Mon, 25 Mar 2019 18:11:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 163871FF14 for ; Mon, 25 Mar 2019 18:11:28 +0000 (UTC) Received: from localhost ([127.0.0.1]:46423 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h8U4F-0003RF-BW for patchwork-qemu-devel@patchwork.kernel.org; Mon, 25 Mar 2019 14:11:27 -0400 Received: from eggs.gnu.org ([209.51.188.92]:56642) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h8Tq6-0007RH-Py for qemu-devel@nongnu.org; Mon, 25 Mar 2019 13:56:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h8TiO-0005Mk-7i for qemu-devel@nongnu.org; Mon, 25 Mar 2019 13:48:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58198) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h8TiO-0005MZ-0k for qemu-devel@nongnu.org; Mon, 25 Mar 2019 13:48:52 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 55B0D3082DD3; Mon, 25 Mar 2019 17:48:51 +0000 (UTC) Received: from localhost.localdomain (ovpn-117-197.ams2.redhat.com [10.36.117.197]) by smtp.corp.redhat.com (Postfix) with ESMTP id B8A6D909E6; Mon, 25 Mar 2019 17:48:49 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Mon, 25 Mar 2019 18:46:57 +0100 Message-Id: <20190325174706.6741-7-quintela@redhat.com> In-Reply-To: <20190325174706.6741-1-quintela@redhat.com> References: <20190325174706.6741-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Mon, 25 Mar 2019 17:48:51 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 06/15] multifd: Change default packet size X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Markus Armbruster , Juan Quintela , "Dr. David Alan Gilbert" , zhanghailiang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We moved from 64KB to 512KB, as it makes less locking contention without any downside in testing. Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Juan Quintela --- migration/ram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/ram.c b/migration/ram.c index 77c1878292..700c345ec5 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -584,7 +584,7 @@ exit: #define MULTIFD_FLAG_SYNC (1 << 0) /* This value needs to be a multiple of qemu_target_page_size() */ -#define MULTIFD_PACKET_SIZE (64 * 1024) +#define MULTIFD_PACKET_SIZE (512 * 1024) typedef struct { uint32_t magic;