Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.0/patches/2197917/?format=api
{ "id": 2197917, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197917/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/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": "" }, "msgid": "<20260218-colo_unit_test_multifd-v9-13-d8dbdb0ca6f6@web.de>", "date": "2026-02-18T21:29:33", "name": "[v9,13/19] 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/1.0/people/76468/?format=api", "name": "Lukas Straub", "email": "lukasstraub2@web.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260218-colo_unit_test_multifd-v9-13-d8dbdb0ca6f6@web.de/mbox/", "series": [ { "id": 492617, "url": "http://patchwork.ozlabs.org/api/1.0/series/492617/?format=api", "date": "2026-02-18T21:29:37", "name": "migration: Add COLO multifd support and COLO migration unit test", "version": 9, "mbox": "http://patchwork.ozlabs.org/series/492617/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197917/checks/", "tags": {}, "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=Gfo5EhGZ;\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 4fGV8530Dlz1xxQ\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 19 Feb 2026 08:31:49 +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 1vsp7W-0007Eq-EX; Wed, 18 Feb 2026 16:30:07 -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 1vsp7L-000797-RB\n for qemu-devel@nongnu.org; Wed, 18 Feb 2026 16:29:56 -0500", "from mout.web.de ([212.227.15.4])\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 1vsp7H-0007Nw-7M\n for qemu-devel@nongnu.org; Wed, 18 Feb 2026 16:29:54 -0500", "from [127.0.1.1] ([84.133.37.84]) by smtp.web.de (mrweb005\n [213.165.67.108]) with ESMTPSA (Nemesis) id 1MpTxo-1vPEXR1MA0-00nIIR; Wed, 18\n Feb 2026 22:29:41 +0100" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de;\n s=s29768273; t=1771450181; x=1772054981; i=lukasstraub2@web.de;\n bh=yDiaSK9OpxS8V2pxAHSs+oO9Yxg0bwU7fddiiz7QY1k=;\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=Gfo5EhGZVAILfzQOd0zwJ3ZaqBMcT49j9+/glmOU4tP9kaczyn+Ankwb4jMMwx4m\n gwGzglt6Yh7F7hYiCdHlsiUM/thChQNR89LbpmhFUJQc9eiWdYTonlbOMmrZl7PDv\n XYmfKNbxSkT6N/Y2stxd1DzpZ/O1h5ACnkgF9c5Qn3oOL92/EBwJsZL2ZNX9/aNyG\n butvIYNnp5kfFw6jU5zstOBnb6IG6vTi6kd7YI9yVFSW5CEuwUXYZaXNOi9wkWD3R\n 08tAbwPLdbiFFt05BIhh9H+6z4esHa11OinqbMwuAE/HUNfZSSAepL6/YeJ7kYKOt\n w8RpIJT7blcg+cmScA==", "X-UI-Sender-Class": "814a7b36-bfc1-4dae-8640-3722d8ec6cd6", "From": "Lukas Straub <lukasstraub2@web.de>", "Date": "Wed, 18 Feb 2026 22:29:33 +0100", "Subject": "[PATCH v9 13/19] 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": "<20260218-colo_unit_test_multifd-v9-13-d8dbdb0ca6f6@web.de>", "References": "<20260218-colo_unit_test_multifd-v9-0-d8dbdb0ca6f6@web.de>", "In-Reply-To": "<20260218-colo_unit_test_multifd-v9-0-d8dbdb0ca6f6@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 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bonQbo1M0IcvtMQlboc0YVvVmZXNiBbDv0EVcbHgucPSDUPoCLJ7oy5sgzzMflD72/+Q23QbZ\n oBerDh2YrOILmsELzN/2wbJb/kXYhIqzoZ+uiAxS0lJcnx2a9Oh4SZ5kd+BFmUa1ITyjnU8eZ\n 0EohXZkjYdkJdWtd6KIQ7XnmZfzE2GEwh7XvL2OVEtZ1ZqZZ4kRDEtyx9hRTnqs7bYnqJKilg\n 3IXxPxXsyhid/FzqC10aLsY2h1cmXvXz4rzG8xVrv6yVefY/xn9ts/qdjO20rs2NRmFj64qmW\n bFBPR9kGoYSVgaI07WXzCiU0ChBr6+feylxpy3XK8qRR4z2y6t/q/RYhvvKryXgV/vp7UPZK7\n rxIJ6l3/3FTMx4jPQePoY+t1Qfv6KgH7C4/IHH32yHFmxruitFPU+ie6Qo4144aEIvCypmVhU\n vkP8hnNSJ2ydgvKdI7uN1Db/7ZqyYNBDRyMXwf06QbrYBGjZVPe8ebTseHe0WGqtgmLc2O+Uf\n 1MYlYHtOVDwT6VMrYGrsPKNpKJOuAnVqOQSfOi7/2nw+o1fcDOSx4UWf/RkLZkGaRHgcx2vRa\n q4DaUv72xeoqtGLZc53ZIuOz7wI76crQ3BW5UL3U4/m81knGOwSRbjTEEXePUUSKf3pG1H4Wy\n tYpa/RBMOMK2JG8iDzQu5fYH/xGi1OziLMLtzheRzM1+Vq1GvZRxl76auu3SV1jnRtJHMgq6u\n BlEjozZzeGQNbra8i4fZEuZEZabkjxGAwjMQH3E9K1tM87vdZ23mWx1VLIYsijmmBncAIV4VP\n Gw+jYHlYzUKBEnDj9ao0/W55CoMKzCZFwNvpr9zcpRPwUfyoITFaEN2hgDQD30l2ACIawe+9h\n zFlXNy6+w0jOGXLPxCzvSJaLG5kvlbiuji0wtL1igwmoU9tuJhuDvv06MqQBNt3QmKpqnqit6\n okCShKNI8y4OTrJo7t6dqgNLdQTscvz93hwrsRcgn23ZO9JO9yIEyy5+Dcz7uNpNV93Y9RaTw\n iuezjyWZrleFynH1rG9nYomg3OV444GYp0fcBvoz1bK+34x0QWw==", "Received-SPF": "pass client-ip=212.227.15.4; envelope-from=lukasstraub2@web.de;\n helo=mout.web.de", "X-Spam_score_int": "-24", "X-Spam_score": "-2.5", "X-Spam_bar": "--", "X-Spam_report": "(-2.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n 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>\nReviewed-by: Peter Xu <peterx@redhat.com>\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 5519ea4e163229a9bbc06318a0ee06d88ba6a8a1..a587a9233ac556a420f8784c4e3217e5c5b99f34 100644\n--- a/MAINTAINERS\n+++ b/MAINTAINERS\n@@ -3871,6 +3871,7 @@ 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 25fdbc798010b19e8ec9b6ab55e02d3fb5741398..6a46e2a767de12d978d910ddb6de175bce9810b8 100644\n--- a/tests/qtest/meson.build\n+++ b/tests/qtest/meson.build\n@@ -374,6 +374,11 @@ 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@@ -385,7 +390,7 @@ 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": [ "v9", "13/19" ] }