Hi,

On Mon, 12 May 2025 at 18:22, Prasad Pandit <ppan...@redhat.com> wrote:
> From: Prasad Pandit <p...@fedoraproject.org>
>
> Add new qtests to run postcopy migration with multifd
> channels enabled.
>
> Signed-off-by: Prasad Pandit <p...@fedoraproject.org>
> ---
>  tests/qtest/migration/compression-tests.c | 18 ++++++++
>  tests/qtest/migration/postcopy-tests.c    | 27 ++++++++++++
>  tests/qtest/migration/precopy-tests.c     | 28 ++++++++++++-
>  tests/qtest/migration/tls-tests.c         | 50 +++++++++++++++++++++++
>  4 files changed, 121 insertions(+), 2 deletions(-)
>
> v11:
> - pass 'postcopy_ram' variable as a function argument
>
> v10:
> - 
> https://lore.kernel.org/qemu-devel/20250508122849.207213-2-ppan...@redhat.com/T/#t
>
> diff --git a/tests/qtest/migration/compression-tests.c 
> b/tests/qtest/migration/compression-tests.c
> index 41e79f031b..b827665b8e 100644
> --- a/tests/qtest/migration/compression-tests.c
> +++ b/tests/qtest/migration/compression-tests.c
> @@ -42,6 +42,20 @@ static void test_multifd_tcp_zstd(void)
>      };
>      test_precopy_common(&args);
>  }
> +
> +static void test_multifd_postcopy_tcp_zstd(void)
> +{
> +    MigrateCommon args = {
> +        .listen_uri = "defer",
> +        .start = {
> +            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
> +            .caps[MIGRATION_CAPABILITY_POSTCOPY_RAM] = true,
> +        },
> +        .start_hook = migrate_hook_start_precopy_tcp_multifd_zstd,
> +    };
> +
> +    test_precopy_common(&args);
> +}
>  #endif /* CONFIG_ZSTD */
>
>  #ifdef CONFIG_QATZIP
> @@ -184,6 +198,10 @@ void migration_test_add_compression(MigrationTestEnv 
> *env)
>  #ifdef CONFIG_ZSTD
>      migration_test_add("/migration/multifd/tcp/plain/zstd",
>                         test_multifd_tcp_zstd);
> +    if (env->has_uffd) {
> +        migration_test_add("/migration/multifd+postcopy/tcp/plain/zstd",
> +                           test_multifd_postcopy_tcp_zstd);
> +    }
>  #endif
>
>  #ifdef CONFIG_QATZIP
> diff --git a/tests/qtest/migration/postcopy-tests.c 
> b/tests/qtest/migration/postcopy-tests.c
> index 483e3ff99f..eb637f94f7 100644
> --- a/tests/qtest/migration/postcopy-tests.c
> +++ b/tests/qtest/migration/postcopy-tests.c
> @@ -94,6 +94,29 @@ static void 
> migration_test_add_postcopy_smoke(MigrationTestEnv *env)
>      }
>  }
>
> +static void test_multifd_postcopy(void)
> +{
> +    MigrateCommon args = {
> +        .start = {
> +            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
> +        },
> +    };
> +
> +    test_postcopy_common(&args);
> +}
> +
> +static void test_multifd_postcopy_preempt(void)
> +{
> +    MigrateCommon args = {
> +        .start = {
> +            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
> +            .caps[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT] = true,
> +        },
> +    };
> +
> +    test_postcopy_common(&args);
> +}
> +
>  void migration_test_add_postcopy(MigrationTestEnv *env)
>  {
>      migration_test_add_postcopy_smoke(env);
> @@ -114,6 +137,10 @@ void migration_test_add_postcopy(MigrationTestEnv *env)
>              "/migration/postcopy/recovery/double-failures/reconnect",
>              test_postcopy_recovery_fail_reconnect);
>
> +        migration_test_add("/migration/postcopy/multifd/plain",
> +                           test_multifd_postcopy);
> +        migration_test_add("/migration/postcopy/multifd/preempt/plain",
> +                           test_multifd_postcopy_preempt);
>          if (env->is_x86) {
>              migration_test_add("/migration/postcopy/suspend",
>                                 test_postcopy_suspend);
> diff --git a/tests/qtest/migration/precopy-tests.c 
> b/tests/qtest/migration/precopy-tests.c
> index 87b0a7e8ef..441a65bcf5 100644
> --- a/tests/qtest/migration/precopy-tests.c
> +++ b/tests/qtest/migration/precopy-tests.c
> @@ -524,7 +524,7 @@ static void test_multifd_tcp_channels_none(void)
>   *
>   *  And see that it works
>   */
> -static void test_multifd_tcp_cancel(void)
> +static void test_multifd_tcp_cancel(bool postcopy_ram)
>  {
>      MigrateStart args = {
>          .hide_stderr = true,
> @@ -538,6 +538,11 @@ static void test_multifd_tcp_cancel(void)
>      migrate_ensure_non_converge(from);
>      migrate_prepare_for_dirty_mem(from);
>
> +    if (postcopy_ram) {
> +        migrate_set_capability(from, "postcopy-ram", true);
> +        migrate_set_capability(to, "postcopy-ram", true);
> +    }
> +
>      migrate_set_parameter_int(from, "multifd-channels", 16);
>      migrate_set_parameter_int(to, "multifd-channels", 16);
>
> @@ -579,6 +584,10 @@ static void test_multifd_tcp_cancel(void)
>          return;
>      }
>
> +    if (postcopy_ram) {
> +        migrate_set_capability(to2, "postcopy-ram", true);
> +    }
> +
>      migrate_set_parameter_int(to2, "multifd-channels", 16);
>
>      migrate_set_capability(to2, "multifd", true);
> @@ -602,6 +611,16 @@ static void test_multifd_tcp_cancel(void)
>      migrate_end(from, to2, true);
>  }
>
> +static void test_multifd_precopy_tcp_cancel(void)
> +{
> +    test_multifd_tcp_cancel(false);
> +}
> +
> +static void test_multifd_postcopy_tcp_cancel(void)
> +{
> +    test_multifd_tcp_cancel(true);
> +}
> +
>  static void test_cancel_src_after_failed(QTestState *from, QTestState *to,
>                                           const char *uri, const char *phase)
>  {
> @@ -1188,7 +1207,12 @@ static void 
> migration_test_add_precopy_smoke(MigrationTestEnv *env)
>      migration_test_add("/migration/multifd/tcp/uri/plain/none",
>                         test_multifd_tcp_uri_none);
>      migration_test_add("/migration/multifd/tcp/plain/cancel",
> -                       test_multifd_tcp_cancel);
> +                       test_multifd_precopy_tcp_cancel);
> +    if (env->has_uffd) {
> +        migration_test_add("/migration/multifd+postcopy/tcp/plain/cancel",
> +                           test_multifd_postcopy_tcp_cancel);
> +    }
> +
>  #ifdef CONFIG_RDMA
>      migration_test_add("/migration/precopy/rdma/plain",
>                         test_precopy_rdma_plain);
> diff --git a/tests/qtest/migration/tls-tests.c 
> b/tests/qtest/migration/tls-tests.c
> index 72f44defbb..50a07a1c0f 100644
> --- a/tests/qtest/migration/tls-tests.c
> +++ b/tests/qtest/migration/tls-tests.c
> @@ -395,6 +395,19 @@ static void test_postcopy_recovery_tls_psk(void)
>      test_postcopy_recovery_common(&args);
>  }
>
> +static void test_multifd_postcopy_recovery_tls_psk(void)
> +{
> +    MigrateCommon args = {
> +        .start_hook = migrate_hook_start_tls_psk_match,
> +        .end_hook = migrate_hook_end_tls_psk,
> +        .start = {
> +            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
> +        },
> +    };
> +
> +    test_postcopy_recovery_common(&args);
> +}
> +
>  /* This contains preempt+recovery+tls test altogether */
>  static void test_postcopy_preempt_all(void)
>  {
> @@ -409,6 +422,20 @@ static void test_postcopy_preempt_all(void)
>      test_postcopy_recovery_common(&args);
>  }
>
> +static void test_multifd_postcopy_preempt_recovery_tls_psk(void)
> +{
> +    MigrateCommon args = {
> +        .start_hook = migrate_hook_start_tls_psk_match,
> +        .end_hook = migrate_hook_end_tls_psk,
> +        .start = {
> +            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
> +            .caps[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT] = true,
> +        },
> +    };
> +
> +    test_postcopy_recovery_common(&args);
> +}
> +
>  static void test_precopy_unix_tls_psk(void)
>  {
>      g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
> @@ -657,6 +684,21 @@ static void test_multifd_tcp_tls_psk_mismatch(void)
>      test_precopy_common(&args);
>  }
>
> +static void test_multifd_postcopy_tcp_tls_psk_match(void)
> +{
> +    MigrateCommon args = {
> +        .start = {
> +            .caps[MIGRATION_CAPABILITY_MULTIFD] = true,
> +            .caps[MIGRATION_CAPABILITY_POSTCOPY_RAM] = true,
> +        },
> +        .listen_uri = "defer",
> +        .start_hook = migrate_hook_start_multifd_tcp_tls_psk_match,
> +        .end_hook = migrate_hook_end_tls_psk,
> +    };
> +
> +    test_precopy_common(&args);
> +}
> +
>  #ifdef CONFIG_TASN1
>  static void test_multifd_tcp_tls_x509_default_host(void)
>  {
> @@ -774,6 +816,10 @@ void migration_test_add_tls(MigrationTestEnv *env)
>                             test_postcopy_preempt_tls_psk);
>          migration_test_add("/migration/postcopy/preempt/recovery/tls/psk",
>                             test_postcopy_preempt_all);
> +        migration_test_add("/migration/postcopy/multifd/recovery/tls/psk",
> +                           test_multifd_postcopy_recovery_tls_psk);
> +        
> migration_test_add("/migration/postcopy/multifd/preempt/recovery/tls/psk",
> +                           test_multifd_postcopy_preempt_recovery_tls_psk);
>      }
>  #ifdef CONFIG_TASN1
>      migration_test_add("/migration/precopy/unix/tls/x509/default-host",
> @@ -805,6 +851,10 @@ void migration_test_add_tls(MigrationTestEnv *env)
>                         test_multifd_tcp_tls_psk_match);
>      migration_test_add("/migration/multifd/tcp/tls/psk/mismatch",
>                         test_multifd_tcp_tls_psk_mismatch);
> +    if (env->has_uffd) {
> +        migration_test_add("/migration/multifd+postcopy/tcp/tls/psk/match",
> +                           test_multifd_postcopy_tcp_tls_psk_match);
> +    }
>  #ifdef CONFIG_TASN1
>      migration_test_add("/migration/multifd/tcp/tls/x509/default-host",
>                         test_multifd_tcp_tls_x509_default_host);
> --
> 2.49.0


* Ping...(this one needs an ack if all okay)

Thank you.
---
  - Prasad


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