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Date: Mon, 26 Feb 2024 19:56:52 +0000 Message-Id: <20240226195654.934709-6-hao.xiang@bytedance.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20240226195654.934709-1-hao.xiang@bytedance.com> References: <20240226195654.934709-1-hao.xiang@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::930; envelope-from=hao.xiang@bytedance.com; helo=mail-ua1-x930.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bytedance.com) X-ZM-MESSAGEID: 1708977573595100001 Content-Type: text/plain; charset="utf-8" Now that zero page checking is done on the multifd sender threads by default, we still provide an option for backward compatibility. This change adds a qtest migration test case to set the zero-page-detection option to "legacy" and run multifd migration with zero page checking on the migration main thread. Signed-off-by: Hao Xiang --- tests/qtest/migration-test.c | 52 ++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index 8a5bb1752e..65b531d871 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -2621,6 +2621,24 @@ test_migrate_precopy_tcp_multifd_start(QTestState *f= rom, return test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); } =20 +static void * +test_migrate_precopy_tcp_multifd_start_zero_page_legacy(QTestState *from, + QTestState *to) +{ + test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); + migrate_set_parameter_str(from, "zero-page-detection", "legacy"); + return NULL; +} + +static void * +test_migration_precopy_tcp_multifd_start_no_zero_page(QTestState *from, + QTestState *to) +{ + test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); + migrate_set_parameter_str(from, "zero-page-detection", "none"); + return NULL; +} + static void * test_migrate_precopy_tcp_multifd_zlib_start(QTestState *from, QTestState *to) @@ -2652,6 +2670,36 @@ static void test_multifd_tcp_none(void) test_precopy_common(&args); } =20 +static void test_multifd_tcp_zero_page_legacy(void) +{ + MigrateCommon args =3D { + .listen_uri =3D "defer", + .start_hook =3D test_migrate_precopy_tcp_multifd_start_zero_page_l= egacy, + /* + * Multifd is more complicated than most of the features, it + * directly takes guest page buffers when sending, make sure + * everything will work alright even if guest page is changing. + */ + .live =3D true, + }; + test_precopy_common(&args); +} + +static void test_multifd_tcp_no_zero_page(void) +{ + MigrateCommon args =3D { + .listen_uri =3D "defer", + .start_hook =3D test_migration_precopy_tcp_multifd_start_no_zero_p= age, + /* + * Multifd is more complicated than most of the features, it + * directly takes guest page buffers when sending, make sure + * everything will work alright even if guest page is changing. + */ + .live =3D true, + }; + test_precopy_common(&args); +} + static void test_multifd_tcp_zlib(void) { MigrateCommon args =3D { @@ -3550,6 +3598,10 @@ int main(int argc, char **argv) } migration_test_add("/migration/multifd/tcp/plain/none", test_multifd_tcp_none); + migration_test_add("/migration/multifd/tcp/plain/zero-page/legacy", + test_multifd_tcp_zero_page_legacy); + migration_test_add("/migration/multifd/tcp/plain/zero-page/none", + test_multifd_tcp_no_zero_page); migration_test_add("/migration/multifd/tcp/plain/cancel", test_multifd_tcp_cancel); migration_test_add("/migration/multifd/tcp/plain/zlib", --=20 2.30.2