Re: [PATCH] tests/qtest/bios-tables-test: Make the test less verbose by default

[Igor Mammedov]

On Wed, 18 Jan 2023 13:51:32 +0100
Thomas Huth <thuth@redhat.com> wrote:

> We are facing the issues that our test logs in the gitlab CI are
> too big (and thus cut off). The bios-tables-test is one of the few
> qtests that prints many lines of output by default when running with
> V=1, so it contributes to this problem. Almost all other qtests are
> silent with V=1 and only print debug messages with V=2 and higher.
> Thus let's change the bios-tables-test to behave more like the
> other tests and only print the debug messages with V=2 (or higher).

Reviewed-by: Igor Mammedov <imammedo@redhat.com>

> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  See also this discussion here:
>  Y8Z8CJoFyxB9uHqU@redhat.com/">https://lore.kernel.org/qemu-devel/Y8Z8CJoFyxB9uHqU@redhat.com/
> 
>  tests/qtest/bios-tables-test.c | 17 ++++++++++++-----
>  1 file changed, 12 insertions(+), 5 deletions(-)
> 
> diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
> index 8608408213..355d0c3d56 100644
> --- a/tests/qtest/bios-tables-test.c
> +++ b/tests/qtest/bios-tables-test.c
> @@ -24,7 +24,7 @@
>   * You will also notice that tests/qtest/bios-tables-test-allowed-diff.h 
> lists
>   * a bunch of files. This is your hint that you need to do the below:
>   * 4. Run
> - *      make check V=1
> + *      make check V=2
>   * this will produce a bunch of warnings about differences
>   * beween actual and expected ACPI tables. If you have IASL installed,
>   * they will also be disassembled so you can look at the disassembled
> @@ -108,6 +108,8 @@ static const char *iasl = CONFIG_IASL;
>  static const char *iasl;
>  #endif
>  
> +static int verbosity_level;
> +
>  static bool compare_signature(const AcpiSdtTable *sdt, const char *signature)
>  {
>     return !memcmp(sdt->aml, signature, 4);
> @@ -368,7 +370,7 @@ static GArray *load_expected_aml(test_data *data)
>      gsize aml_len;
>  
>      GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
> -    if (getenv("V")) {
> +    if (verbosity_level >= 2) {
>          fputc('\n', stderr);
>      }
>      for (i = 0; i < data->tables->len; ++i) {
> @@ -383,7 +385,7 @@ static GArray *load_expected_aml(test_data *data)
>  try_again:
>          aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
>                                     sdt->aml, ext);
> -        if (getenv("V")) {
> +        if (verbosity_level >= 2) {
>              fprintf(stderr, "Looking for expected file '%s'\n", aml_file);
>          }
>          if (g_file_test(aml_file, G_FILE_TEST_EXISTS)) {
> @@ -395,7 +397,7 @@ try_again:
>              goto try_again;
>          }
>          g_assert(exp_sdt.aml_file);
> -        if (getenv("V")) {
> +        if (verbosity_level >= 2) {
>              fprintf(stderr, "Using expected file '%s'\n", aml_file);
>          }
>          ret = g_file_get_contents(aml_file, (gchar **)&exp_sdt.aml,
> @@ -503,7 +505,7 @@ static void test_acpi_asl(test_data *data)
>                          exp_sdt->aml, sdt->asl_file, sdt->aml_file,
>                          exp_sdt->asl_file, exp_sdt->aml_file);
>                  fflush(stderr);
> -                if (getenv("V")) {
> +                if (verbosity_level >= 1) {
>                      const char *diff_env = getenv("DIFF");
>                      const char *diff_cmd = diff_env ? diff_env : "diff -U 
> 16";
>                      char *diff = g_strdup_printf("%s %s %s", diff_cmd,
> @@ -1974,8 +1976,13 @@ int main(int argc, char *argv[])
>      const char *arch = qtest_get_arch();
>      const bool has_kvm = qtest_has_accel("kvm");
>      const bool has_tcg = qtest_has_accel("tcg");
> +    char *v_env = getenv("V");
>      int ret;
>  
> +    if (v_env) {
> +        verbosity_level = atoi(v_env);
> +    }
> +
>      g_test_init(&argc, &argv, NULL);
>  
>      if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {