From nobody Wed Nov 5 15:53:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1496893726578994.7587828726274; Wed, 7 Jun 2017 20:48:46 -0700 (PDT) Received: from localhost ([::1]:47185 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIoRA-0000Mi-Fe for importer@patchew.org; Wed, 07 Jun 2017 23:48:44 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54337) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIoQE-00087c-GC for qemu-devel@nongnu.org; Wed, 07 Jun 2017 23:47:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIoQA-0006ee-IV for qemu-devel@nongnu.org; Wed, 07 Jun 2017 23:47:46 -0400 Received: from [59.151.112.132] (port=36612 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIoQ9-0006eT-Cg for qemu-devel@nongnu.org; Wed, 07 Jun 2017 23:47:42 -0400 Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 08 Jun 2017 11:47:34 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id C2C1647CA8C6; Thu, 8 Jun 2017 11:47:30 +0800 (CST) Received: from localhost.localdomain (10.167.226.56) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.319.2; Thu, 8 Jun 2017 11:47:29 +0800 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="19794258" From: Zhang Chen To: qemu devel , Jason Wang Date: Thu, 8 Jun 2017 11:47:52 +0800 Message-ID: <1496893672-8313-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: C2C1647CA8C6.AF89A X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: zhangchen.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Subject: [Qemu-devel] [PATCH] net/colo-compare.c: Add no-need-checkpoint period to optimize performance 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: zhanghailiang , Zhang Chen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" If colo-compare find out the first different packet that means the following packet almost is different. we needn't do a lot of checkpoint in one second, so we set the no-need-checkpoint period, default just set 3 second. Signed-off-by: Zhang Chen --- net/colo-compare.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index 6d500e1..8fb1c9c 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -39,6 +39,8 @@ =20 /* TODO: Should be configurable */ #define REGULAR_PACKET_CHECK_MS 3000 +/* TODO: Should be configurable */ +#define CHECKPOINT_MIN_TIME 3000 =20 /* + CompareState ++ @@ -455,6 +457,7 @@ static void colo_compare_connection(void *opaque, void = *user_data) Packet *pkt =3D NULL; GList *result =3D NULL; int ret; + static int64_t checkpoint_time_ms; =20 while (!g_queue_is_empty(&conn->primary_list) && !g_queue_is_empty(&conn->secondary_list)) { @@ -494,7 +497,11 @@ static void colo_compare_connection(void *opaque, void= *user_data) */ trace_colo_compare_main("packet different"); g_queue_push_tail(&conn->primary_list, pkt); - /* TODO: colo_notify_checkpoint();*/ + + if (pkt->creation_ms - checkpoint_time_ms > CHECKPOINT_MIN_TIM= E) { + /* TODO: colo_notify_checkpoint();*/ + checkpoint_time_ms =3D pkt->creation_ms; + } break; } } --=20 2.7.4