From nobody Thu Dec 18 08:27:23 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 1492850689411121.10961427520635; Sat, 22 Apr 2017 01:44:49 -0700 (PDT) Received: from localhost ([::1]:34765 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1qeu-0008TS-3d for importer@patchew.org; Sat, 22 Apr 2017 04:44:48 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60095) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1qOH-0002TH-LY for qemu-devel@nongnu.org; Sat, 22 Apr 2017 04:27:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d1qOE-00013h-Hp for qemu-devel@nongnu.org; Sat, 22 Apr 2017 04:27:37 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:3406 helo=dggrg03-dlp.huawei.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1d1qOD-00012z-VS for qemu-devel@nongnu.org; Sat, 22 Apr 2017 04:27:34 -0400 Received: from 172.30.72.57 (EHLO DGGEML403-HUB.china.huawei.com) ([172.30.72.57]) by dggrg03-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AMH71121; Sat, 22 Apr 2017 16:26:27 +0800 (CST) Received: from localhost (10.177.24.212) by DGGEML403-HUB.china.huawei.com (10.3.17.33) with Microsoft SMTP Server id 14.3.301.0; Sat, 22 Apr 2017 16:26:19 +0800 From: zhanghailiang To: , Date: Sat, 22 Apr 2017 16:25:43 +0800 Message-ID: <1492849558-17540-4-git-send-email-zhang.zhanghailiang@huawei.com> X-Mailer: git-send-email 2.7.2.windows.1 In-Reply-To: <1492849558-17540-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1492849558-17540-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.24.212] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090205.58FB13B4.0003, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: a1a154054fcb0bf78a7cdd9340f03e13 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.189 Subject: [Qemu-devel] [PATCH v2 03/18] colo-compare: use notifier to notify packets comparing result 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: lizhijian@cn.fujitsu.com, xiecl.fnst@cn.fujitsu.com, zhanghailiang , zhangchen.fnst@cn.fujitsu.com, quintela@redhat.com, Jason Wang 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" It's a good idea to use notifier to notify COLO frame of inconsistent packets comparing. Cc: Jason Wang Signed-off-by: Zhang Chen Signed-off-by: zhanghailiang --- net/colo-compare.c | 32 ++++++++++++++++++++++++++++---- net/colo-compare.h | 2 ++ 2 files changed, 30 insertions(+), 4 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index 3adccfb..bb234dd 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -30,6 +30,7 @@ #include "qapi-visit.h" #include "net/colo.h" #include "net/colo-compare.h" +#include "migration/migration.h" =20 #define TYPE_COLO_COMPARE "colo-compare" #define COLO_COMPARE(obj) \ @@ -38,6 +39,9 @@ static QTAILQ_HEAD(, CompareState) net_compares =3D QTAILQ_HEAD_INITIALIZER(net_compares); =20 +static NotifierList colo_compare_notifiers =3D + NOTIFIER_LIST_INITIALIZER(colo_compare_notifiers); + #define COMPARE_READ_LEN_MAX NET_BUFSIZE #define MAX_QUEUE_SIZE 1024 =20 @@ -384,6 +388,22 @@ static int colo_old_packet_check_one(Packet *pkt, int6= 4_t *check_time) } } =20 +static void colo_compare_inconsistent_notify(void) +{ + notifier_list_notify(&colo_compare_notifiers, + migrate_get_current()); +} + +void colo_compare_register_notifier(Notifier *notify) +{ + notifier_list_add(&colo_compare_notifiers, notify); +} + +void colo_compare_unregister_notifier(Notifier *notify) +{ + notifier_remove(notify); +} + static void colo_old_packet_check_one_conn(void *opaque, void *user_data) { @@ -397,7 +417,7 @@ static void colo_old_packet_check_one_conn(void *opaque, =20 if (result) { /* do checkpoint will flush old packet */ - /* TODO: colo_notify_checkpoint();*/ + colo_compare_inconsistent_notify(); } } =20 @@ -415,7 +435,10 @@ static void colo_old_packet_check(void *opaque) =20 /* * Called from the compare thread on the primary - * for compare connection + * for compare connection. + * TODO: Reconstruct this function, we should hold the max handled sequence + * of the connect, Don't trigger a checkpoint request if we only get packe= ts + * from one side (primary or secondary). */ static void colo_compare_connection(void *opaque, void *user_data) { @@ -464,11 +487,12 @@ static void colo_compare_connection(void *opaque, voi= d *user_data) /* * If one packet arrive late, the secondary_list or * primary_list will be empty, so we can't compare it - * until next comparison. + * until next comparison. If the packets in the list are + * timeout, it will trigger a checkpoint request. */ trace_colo_compare_main("packet different"); g_queue_push_tail(&conn->primary_list, pkt); - /* TODO: colo_notify_checkpoint();*/ + colo_compare_inconsistent_notify(); break; } } diff --git a/net/colo-compare.h b/net/colo-compare.h index c9c62f5..a0b573e 100644 --- a/net/colo-compare.h +++ b/net/colo-compare.h @@ -2,5 +2,7 @@ #define QEMU_COLO_COMPARE_H =20 void colo_notify_compares_event(void *opaque, int event, Error **errp); +void colo_compare_register_notifier(Notifier *notify); +void colo_compare_unregister_notifier(Notifier *notify); =20 #endif /* QEMU_COLO_COMPARE_H */ --=20 1.8.3.1