Re: [PATCH v2 3/4] tests/qtest/migration-test: Fix and enable test_ignore_shared

[Fabiano Rosas <farosas@suse.de>]

Nicholas Piggin <npiggin@gmail.com> writes:

> This test is already starting to bitrot, so first remove it from ifdef
> and fix compile issues. ppc64 transfers about 2MB, so bump the size
> threshold too.
>
> It was said to be broken on aarch64 but it may have been due to the
> limited shm size under Gitlab CI. Now that it uses /tmp, enable it.
>
> Cc: Yury Kotov <yury-kotov@yandex-team.ru>
> Cc: Dr. David Alan Gilbert <dave@treblig.org>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
>  tests/qtest/migration-test.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> index de380757be..86eace354e 100644
> --- a/tests/qtest/migration-test.c
> +++ b/tests/qtest/migration-test.c
> @@ -1855,8 +1855,6 @@ static void test_precopy_unix_tls_x509_override_host(void)
>  #endif /* CONFIG_TASN1 */
>  #endif /* CONFIG_GNUTLS */
>  
> -#if 0
> -/* Currently upset on aarch64 TCG */
>  static void test_ignore_shared(void)
>  {
>      g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
> @@ -1865,7 +1863,7 @@ static void test_ignore_shared(void)
>          .use_memfile = true,
>      };
>  
> -    if (test_migrate_start(&from, &to, uri, false, true, NULL, NULL)) {
> +    if (test_migrate_start(&from, &to, uri, &args)) {
>          return;
>      }
>  
> @@ -1890,11 +1888,11 @@ static void test_ignore_shared(void)
>      wait_for_migration_complete(from);
>  
>      /* Check whether shared RAM has been really skipped */
> -    g_assert_cmpint(read_ram_property_int(from, "transferred"), <, 1024 * 1024);
> +    g_assert_cmpint(read_ram_property_int(from, "transferred"), <,
> +                                                   4 * 1024 * 1024);
>  
>      test_migrate_end(from, to, true);
>  }
> -#endif
>  
>  static void *
>  test_migrate_xbzrle_start(QTestState *from,
> @@ -3535,7 +3533,8 @@ int main(int argc, char **argv)
>  #endif /* CONFIG_TASN1 */
>  #endif /* CONFIG_GNUTLS */
>  
> -    /* migration_test_add("/migration/ignore_shared", test_ignore_shared); */
> +    migration_test_add("/migration/ignore_shared", test_ignore_shared);
> +
>  #ifndef _WIN32
>      migration_test_add("/migration/precopy/fd/tcp",
>                         test_migrate_precopy_fd_socket);

I'm queuing this patch to qtest-next, but moving it under
QEMU_TEST_FLAKY_TESTS. Otherwise the move of this function to another
file (from the refactoring series) breaks checkpatch due to the #if 0.