Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2194085/?format=api
{ "id": 2194085, "url": "http://patchwork.ozlabs.org/api/patches/2194085/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260206-colo_unit_test_multifd-v6-14-27779dda139d@web.de/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260206-colo_unit_test_multifd-v6-14-27779dda139d@web.de>", "list_archive_url": null, "date": "2026-02-06T20:03:12", "name": "[v6,14/18] migration-test: Add COLO migration unit test", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "cc352b90351339dcee9a188d51bb00b9f9e7b869", "submitter": { "id": 76468, "url": "http://patchwork.ozlabs.org/api/people/76468/?format=api", "name": "Lukas Straub", "email": "lukasstraub2@web.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260206-colo_unit_test_multifd-v6-14-27779dda139d@web.de/mbox/", "series": [ { "id": 491328, "url": "http://patchwork.ozlabs.org/api/series/491328/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491328", "date": "2026-02-06T20:02:58", "name": "migration: Add COLO multifd support and COLO migration unit test", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/491328/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194085/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194085/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=web.de header.i=lukasstraub2@web.de header.a=rsa-sha256\n header.s=s29768273 header.b=lWy24Jn1;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f74pt5stgz1xvD\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 07 Feb 2026 07:06:14 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1voS3g-0004O4-8J; Fri, 06 Feb 2026 15:04:04 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <lukasstraub2@web.de>)\n id 1voS3M-0004Fy-AX\n for qemu-devel@nongnu.org; Fri, 06 Feb 2026 15:03:46 -0500", "from mout.web.de ([212.227.15.3])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <lukasstraub2@web.de>)\n id 1voS3E-0008Oi-QC\n for qemu-devel@nongnu.org; Fri, 06 Feb 2026 15:03:42 -0500", "from [127.0.1.1] ([217.247.97.172]) by smtp.web.de (mrweb005\n [213.165.67.108]) with ESMTPSA (Nemesis) id 1MALiZ-1vzCcu1u5T-00Ajjl; Fri, 06\n Feb 2026 21:03:27 +0100" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de;\n s=s29768273; t=1770408207; x=1771013007; i=lukasstraub2@web.de;\n bh=NPRScifiTgK3qkFDsRha4RlRArQuLKMT7x2FOENuMxA=;\n h=X-UI-Sender-Class:From:Date:Subject:MIME-Version:Content-Type:\n Content-Transfer-Encoding:Message-Id:References:In-Reply-To:To:Cc:\n cc:content-transfer-encoding:content-type:date:from:message-id:\n mime-version:reply-to:subject:to;\n b=lWy24Jn1FPR88+Ll24JAIb3O4tzB8KwQmbi88D5M+kZR+msEIxXb0czkfRBkTRAJ\n jZUGUVscdnEVkzxcHV4JNCECnb5uJ5ra7rE+6Fdk1ZhMnWb9LrKpB4cJPBPObMNHa\n 6oW4teaDdUayA7LDJo6ptJXMyRj8PgbuSm3/SVkN2ft+iRWoXQMT6M3Iklz0k0lYA\n ATmEM2sUMl9kuy97cCpehDt/ZhGRjqvgtDKsA9XQp35hB5msoHZ3oyHr+iu/2lzio\n 2CZI/8oun9w5aKoULPKosCcuMEHasFaUh8FDBm3NZYz6HtOTMvuzrRSRo9Pmel40S\n iwfW5qKgvkUNUAZSYg==", "X-UI-Sender-Class": "814a7b36-bfc1-4dae-8640-3722d8ec6cd6", "From": "Lukas Straub <lukasstraub2@web.de>", "Date": "Fri, 06 Feb 2026 21:03:12 +0100", "Subject": "[PATCH v6 14/18] migration-test: Add COLO migration unit test", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "quoted-printable", "Message-Id": "<20260206-colo_unit_test_multifd-v6-14-27779dda139d@web.de>", "References": "<20260206-colo_unit_test_multifd-v6-0-27779dda139d@web.de>", "In-Reply-To": "<20260206-colo_unit_test_multifd-v6-0-27779dda139d@web.de>", "To": "qemu-devel@nongnu.org", "Cc": "Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>,\n Laurent Vivier <lvivier@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Zhang Chen <zhangckid@gmail.com>,\n Hailiang Zhang <zhanghailiang@xfusion.com>,\n Markus Armbruster <armbru@redhat.com>, Li Zhijian <lizhijian@fujitsu.com>,\n \"Dr. David Alan Gilbert\" <dave@treblig.org>,\n Lukas Straub <lukasstraub2@web.de>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=10625; i=lukasstraub2@web.de;\n h=from:subject:message-id;\n bh=HDldps4OP7KhV57NbTGLFlMs9pbZfQwO+rWwU50owsg=;\n b=owEBbQKS/ZANAwAKATWrCyicXbJYAcsmYgBphkkGQ7eMAZqU+1yk+NW9tH1vFeAMwDjIPs7w2\n sp9pGyOfRWJAjMEAAEKAB0WIQSD+rFYoNm4+3Jij6Q1qwsonF2yWAUCaYZJBgAKCRA1qwsonF2y\n WP4mEACkySRHuYtXPmBqGhWt6oRFKfoUW+WmUYuAkpkzaBlwrksrlROuDxkKXaUClgeu8JYniMh\n IepqwkGX+6/9M8xTM2R0gpUr/Ze6tl8eXmZL/LMsZW2GLOrbVlaRHaAO/qF0iJdbo7YWVnimxwC\n HJ024q4bn2ZsTzLBkylxuhf/PKPC2Ya/OYOOAh3rjEy6f+gSkWykwVdmzXw84FlE0IEoWqCSrXB\n 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SPF_HELO_NONE=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": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Add a COLO migration test for COLO migration and failover.\n\nReviewed-by: Fabiano Rosas <farosas@suse.de>\nTested-by: Fabiano Rosas <farosas@suse.de>\nSigned-off-by: Lukas Straub <lukasstraub2@web.de>\n---\n MAINTAINERS | 1 +\n tests/qtest/meson.build | 7 +-\n tests/qtest/migration-test.c | 1 +\n tests/qtest/migration/colo-tests.c | 198 +++++++++++++++++++++++++++++++++++++\n tests/qtest/migration/framework.h | 5 +\n 5 files changed, 211 insertions(+), 1 deletion(-)", "diff": "diff --git a/MAINTAINERS b/MAINTAINERS\nindex 70e8b9cae59a1768ad9966d1291bd358a0712573..8e63e0a08fc7417036986f27c2d910eb99d8a96a 100644\n--- a/MAINTAINERS\n+++ b/MAINTAINERS\n@@ -3854,6 +3854,7 @@ F: migration/colo*\n F: migration/multifd-colo.*\n F: include/migration/colo.h\n F: include/migration/failover.h\n+F: tests/qtest/migration/colo-tests.c\n F: docs/COLO-FT.txt\n \n COLO Proxy\ndiff --git a/tests/qtest/meson.build b/tests/qtest/meson.build\nindex dfb83650c643d884daad53a66034ab7aa8c45509..624f7744ec9bd81c8823075b966bc95f7750a667 100644\n--- a/tests/qtest/meson.build\n+++ b/tests/qtest/meson.build\n@@ -371,6 +371,11 @@ if gnutls.found()\n endif\n endif\n \n+migration_colo_files = []\n+if get_option('replication').allowed()\n+ migration_colo_files = [files('migration/colo-tests.c')]\n+endif\n+\n qtests = {\n 'aspeed_hace-test': files('aspeed-hace-utils.c', 'aspeed_hace-test.c'),\n 'aspeed_smc-test': files('aspeed-smc-utils.c', 'aspeed_smc-test.c'),\n@@ -382,7 +387,7 @@ qtests = {\n 'migration/migration-util.c') + dbus_vmstate1,\n 'erst-test': files('erst-test.c'),\n 'ivshmem-test': [rt, '../../contrib/ivshmem-server/ivshmem-server.c'],\n- 'migration-test': test_migration_files + migration_tls_files,\n+ 'migration-test': test_migration_files + migration_tls_files + migration_colo_files,\n 'pxe-test': files('boot-sector.c'),\n 'pnv-xive2-test': files('pnv-xive2-common.c', 'pnv-xive2-flush-sync.c',\n 'pnv-xive2-nvpg_bar.c'),\ndiff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c\nindex 08936871741535c926eeac40a7d7c3f461c72fd0..e582f05c7dc2673dbd05a936df8feb6c964b5bbc 100644\n--- a/tests/qtest/migration-test.c\n+++ b/tests/qtest/migration-test.c\n@@ -55,6 +55,7 @@ int main(int argc, char **argv)\n migration_test_add_precopy(env);\n migration_test_add_cpr(env);\n migration_test_add_misc(env);\n+ migration_test_add_colo(env);\n \n ret = g_test_run();\n \ndiff --git a/tests/qtest/migration/colo-tests.c b/tests/qtest/migration/colo-tests.c\nnew file mode 100644\nindex 0000000000000000000000000000000000000000..598a1d3821ed0a90318732702027cebad47352fd\n--- /dev/null\n+++ b/tests/qtest/migration/colo-tests.c\n@@ -0,0 +1,198 @@\n+/*\n+ * SPDX-License-Identifier: GPL-2.0-or-later\n+ *\n+ * QTest testcases for COLO migration\n+ *\n+ * Copyright (c) 2025 Lukas Straub <lukasstraub2@web.de>\n+ *\n+ * This work is licensed under the terms of the GNU GPL, version 2 or later.\n+ * See the COPYING file in the top-level directory.\n+ *\n+ */\n+\n+#include \"qemu/osdep.h\"\n+#include \"libqtest.h\"\n+#include \"migration/framework.h\"\n+#include \"migration/migration-qmp.h\"\n+#include \"migration/migration-util.h\"\n+#include \"qemu/module.h\"\n+\n+static int test_colo_common(MigrateCommon *args,\n+ bool failover_during_checkpoint,\n+ bool primary_failover)\n+{\n+ QTestState *from, *to;\n+ void *data_hook = NULL;\n+\n+ /*\n+ * For the COLO test, both VMs will run in parallel. Thus both VMs want to\n+ * open the image read/write at the same time. Using read-only=on is not\n+ * possible here, because ide-hd does not support read-only backing image.\n+ *\n+ * So use -snapshot, where each qemu instance creates its own writable\n+ * snapshot internally while leaving the real image read-only.\n+ */\n+ args->start.opts_source = \"-snapshot\";\n+ args->start.opts_target = \"-snapshot\";\n+\n+ /*\n+ * COLO migration code logs many errors when the migration socket\n+ * is shut down, these are expected so we hide them here.\n+ */\n+ args->start.hide_stderr = true;\n+\n+ /*\n+ * Test with yank with out of band capability since that is how it is\n+ * used in production.\n+ */\n+ args->start.oob = true;\n+ args->start.caps[MIGRATION_CAPABILITY_X_COLO] = true;\n+\n+ if (migrate_start(&from, &to, args->listen_uri, &args->start)) {\n+ return -1;\n+ }\n+\n+ migrate_set_parameter_int(from, \"x-checkpoint-delay\", 300);\n+\n+ if (args->start_hook) {\n+ data_hook = args->start_hook(from, to);\n+ }\n+\n+ migrate_ensure_converge(from);\n+ wait_for_serial(\"src_serial\");\n+\n+ migrate_qmp(from, to, args->connect_uri, NULL, \"{}\");\n+\n+ wait_for_migration_status(from, \"colo\", NULL);\n+ wait_for_resume(to, get_dst());\n+\n+ wait_for_serial(\"src_serial\");\n+ wait_for_serial(\"dest_serial\");\n+\n+ /* wait for 3 checkpoints */\n+ for (int i = 0; i < 3; i++) {\n+ qtest_qmp_eventwait(to, \"RESUME\");\n+ wait_for_serial(\"src_serial\");\n+ wait_for_serial(\"dest_serial\");\n+ }\n+\n+ if (failover_during_checkpoint) {\n+ qtest_qmp_eventwait(to, \"STOP\");\n+ }\n+ if (primary_failover) {\n+ qtest_qmp_assert_success(from, \"{'exec-oob': 'yank', 'id': 'yank-cmd', \"\n+ \"'arguments': {'instances':\"\n+ \"[{'type': 'migration'}]}}\");\n+ qtest_qmp_assert_success(from, \"{'execute': 'x-colo-lost-heartbeat'}\");\n+ wait_for_serial(\"src_serial\");\n+ } else {\n+ qtest_qmp_assert_success(to, \"{'exec-oob': 'yank', 'id': 'yank-cmd', \"\n+ \"'arguments': {'instances':\"\n+ \"[{'type': 'migration'}]}}\");\n+ qtest_qmp_assert_success(to, \"{'execute': 'x-colo-lost-heartbeat'}\");\n+ wait_for_serial(\"dest_serial\");\n+ }\n+\n+ if (args->end_hook) {\n+ args->end_hook(from, to, data_hook);\n+ }\n+\n+ migrate_end(from, to, !primary_failover);\n+\n+ return 0;\n+}\n+\n+static void test_colo_plain_common(MigrateCommon *args,\n+ bool failover_during_checkpoint,\n+ bool primary_failover)\n+{\n+ args->listen_uri = \"tcp:127.0.0.1:0\";\n+ test_colo_common(args, failover_during_checkpoint, primary_failover);\n+}\n+\n+static void *hook_start_multifd(QTestState *from, QTestState *to)\n+{\n+ return migrate_hook_start_precopy_tcp_multifd_common(from, to, \"none\");\n+}\n+\n+static void test_colo_multifd_common(MigrateCommon *args,\n+ bool failover_during_checkpoint,\n+ bool primary_failover)\n+{\n+ args->listen_uri = \"defer\";\n+ args->start_hook = hook_start_multifd;\n+ args->start.caps[MIGRATION_CAPABILITY_MULTIFD] = true;\n+ test_colo_common(args, failover_during_checkpoint, primary_failover);\n+}\n+\n+static void test_colo_plain_primary_failover(char *name, MigrateCommon *args)\n+{\n+ test_colo_plain_common(args, false, true);\n+}\n+\n+static void test_colo_plain_secondary_failover(char *name, MigrateCommon *args)\n+{\n+ test_colo_plain_common(args, false, false);\n+}\n+\n+static void test_colo_multifd_primary_failover(char *name, MigrateCommon *args)\n+{\n+ test_colo_multifd_common(args, false, true);\n+}\n+\n+static void test_colo_multifd_secondary_failover(char *name,\n+ MigrateCommon *args)\n+{\n+ test_colo_multifd_common(args, false, false);\n+}\n+\n+static void test_colo_plain_primary_failover_checkpoint(char *name,\n+ MigrateCommon *args)\n+{\n+ test_colo_plain_common(args, true, true);\n+}\n+\n+static void test_colo_plain_secondary_failover_checkpoint(char *name,\n+ MigrateCommon *args)\n+{\n+ test_colo_plain_common(args, true, false);\n+}\n+\n+static void test_colo_multifd_primary_failover_checkpoint(char *name,\n+ MigrateCommon *args)\n+{\n+ test_colo_multifd_common(args, true, true);\n+}\n+\n+static void test_colo_multifd_secondary_failover_checkpoint(char *name,\n+ MigrateCommon *args)\n+{\n+ test_colo_multifd_common(args, true, false);\n+}\n+\n+void migration_test_add_colo(MigrationTestEnv *env)\n+{\n+ if (!env->full_set) {\n+ return;\n+ }\n+\n+ migration_test_add(\"/migration/colo/plain/primary_failover\",\n+ test_colo_plain_primary_failover);\n+ migration_test_add(\"/migration/colo/plain/secondary_failover\",\n+ test_colo_plain_secondary_failover);\n+\n+ migration_test_add(\"/migration/colo/multifd/primary_failover\",\n+ test_colo_multifd_primary_failover);\n+ migration_test_add(\"/migration/colo/multifd/secondary_failover\",\n+ test_colo_multifd_secondary_failover);\n+\n+ migration_test_add(\"/migration/colo/plain/primary_failover_checkpoint\",\n+ test_colo_plain_primary_failover_checkpoint);\n+ migration_test_add(\"/migration/colo/plain/secondary_failover_checkpoint\",\n+ test_colo_plain_secondary_failover_checkpoint);\n+\n+ migration_test_add(\"/migration/colo/multifd/primary_failover_checkpoint\",\n+ test_colo_multifd_primary_failover_checkpoint);\n+ migration_test_add(\"/migration/colo/multifd/secondary_failover_checkpoint\",\n+ test_colo_multifd_secondary_failover_checkpoint);\n+}\ndiff --git a/tests/qtest/migration/framework.h b/tests/qtest/migration/framework.h\nindex 40984d04930da2d181326d9f6a742bde49018103..80eef758932ce9c301ed6c0f6383d18756144870 100644\n--- a/tests/qtest/migration/framework.h\n+++ b/tests/qtest/migration/framework.h\n@@ -264,5 +264,10 @@ void migration_test_add_file(MigrationTestEnv *env);\n void migration_test_add_precopy(MigrationTestEnv *env);\n void migration_test_add_cpr(MigrationTestEnv *env);\n void migration_test_add_misc(MigrationTestEnv *env);\n+#ifdef CONFIG_REPLICATION\n+void migration_test_add_colo(MigrationTestEnv *env);\n+#else\n+static inline void migration_test_add_colo(MigrationTestEnv *env) {};\n+#endif\n \n #endif /* TEST_FRAMEWORK_H */\n", "prefixes": [ "v6", "14/18" ] }