[Intel-gfx] [PATCH igt] lib/core: Add option to exit on first failure

[Daniel Vetter]

On Sat, Mar 19, 2016 at 04:15:29PM +0000, Chris Wilson wrote:
> When bisecting a test failure (one of many possibile subtests), we want
> to exit as early as possible after the first subtest fails.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Please also extend the help text in print_usage() and the doc overview.
With that addressed seemse like a useful idea, ack.
-Daniel

> ---
>  lib/igt_core.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/igt_core.c b/lib/igt_core.c
> index ad79498..a7d6766 100644
> --- a/lib/igt_core.c
> +++ b/lib/igt_core.c
> @@ -231,6 +231,7 @@ const char *igt_interactive_debug;
>  
>  /* subtests helpers */
>  static bool list_subtests = false;
> +static bool kill_on_fail = false;
>  static char *run_single_subtest = NULL;
>  static bool run_single_subtest_found = false;
>  static const char *in_subtest = NULL;
> @@ -258,6 +259,7 @@ enum {
>   OPT_DESCRIPTION,
>   OPT_DEBUG,
>   OPT_INTERACTIVE_DEBUG,
> + OPT_KILL = 'k',
>   OPT_HELP = 'h'
>  };
>  
> @@ -585,11 +587,12 @@ static int common_init(int *argc, char **argv,
>  		{"help-description", 0, 0, OPT_DESCRIPTION},
>  		{"debug", optional_argument, 0, OPT_DEBUG},
>  		{"interactive-debug", optional_argument, 0, OPT_INTERACTIVE_DEBUG},
> +		{"kill", 0, 0, OPT_KILL},
>  		{"help", 0, 0, OPT_HELP},
>  		{0, 0, 0, 0}
>  	};
>  	char *short_opts;
> -	const char *std_short_opts = "h";
> +	const char *std_short_opts = "kh";
>  	struct option *combined_opts;
>  	int extra_opt_count;
>  	int all_opt_count;
> @@ -700,6 +703,9 @@ static int common_init(int *argc, char **argv,
>  			print_test_description();
>  			ret = -1;
>  			goto out;
> +		case OPT_KILL:
> +			kill_on_fail = true;
> +			break;
>  		case OPT_HELP:
>  			print_usage(help_str, false);
>  			ret = -1;
> @@ -1148,6 +1154,8 @@ void igt_fail(int exitcode)
>  			exit_subtest("TIMEOUT");
>  		else
>  			exit_subtest("FAIL");
> +		if (kill_on_fail)
> +			igt_exit();
>  	} else {
>  		assert(!test_with_subtests || in_fixture);
>  
> -- 
> 2.8.0.rc3
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch