Re: [PATCH rt-tests v1 10/23] sigwaittest: Rename command line option --output to --json

[John Kacur <jkacur@redhat.com>]

On Wed, 19 May 2021, Daniel Wagner wrote:

> The initial idea was to have several different output format
> supported but it turns out everyone is happy with JSON, so
> there is no need to add another format.
> 
> Thus let's make the command line option more specific and
> rename it to --json.
> 
> Signed-off-by: Daniel Wagner <dwagner@suse.de>
> ---
>  src/sigwaittest/sigwaittest.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/src/sigwaittest/sigwaittest.c b/src/sigwaittest/sigwaittest.c
> index fda44724dd62..98a740d2cce2 100644
> --- a/src/sigwaittest/sigwaittest.c
> +++ b/src/sigwaittest/sigwaittest.c
> @@ -220,8 +220,8 @@ static void display_help(int error)
>  	       "                           days.\n"
>  	       "-f [OPT] --fork[=OPT]      fork new processes instead of creating threads\n"
>  	       "-i INTV  --interval=INTV   base interval of thread in us default=1000\n"
> +	       "         --json=FILENAME   write final results into FILENAME, JSON formatted\n"
>  	       "-l LOOPS --loops=LOOPS     number of loops: default=0(endless)\n"
> -	       "         --output=FILENAME write final results into FILENAME, JSON formatted\n"
>  	       "-p PRIO  --prio=PRIO       priority\n"
>  	       "-q       --quiet           print a summary only on exit\n"
>  	       "-t       --threads         one thread per available processor\n"
> @@ -242,11 +242,11 @@ static int duration;
>  static int interval = 1000;
>  static int distance = 500;
>  static int quiet;
> -static char outfile[MAX_PATH];
> +static char jsonfile[MAX_PATH];
>  
>  enum option_value {
>  	OPT_AFFINITY=1, OPT_BREAKTRACE, OPT_DISTANCE, OPT_DURATION,
> -	OPT_FORK, OPT_HELP, OPT_INTERVAL, OPT_LOOPS, OPT_OUTPUT,
> +	OPT_FORK, OPT_HELP, OPT_INTERVAL, OPT_JSON, OPT_LOOPS,
>  	OPT_PRIORITY, OPT_QUIET, OPT_THREADS
>  };
>  
> @@ -267,8 +267,8 @@ static void process_options(int argc, char *argv[])
>  			{"fork",	optional_argument,	NULL, OPT_FORK},
>  			{"help",	no_argument,		NULL, OPT_HELP},
>  			{"interval",	required_argument,	NULL, OPT_INTERVAL},
> +			{"json",	required_argument,      NULL, OPT_JSON},
>  			{"loops",	required_argument,	NULL, OPT_LOOPS},
> -			{"output",	required_argument,      NULL, OPT_OUTPUT },
>  			{"priority",	required_argument,	NULL, OPT_PRIORITY},
>  			{"quiet",	no_argument,		NULL, OPT_QUIET},
>  			{"threads",	optional_argument,	NULL, OPT_THREADS},
> @@ -324,13 +324,13 @@ static void process_options(int argc, char *argv[])
>  		case 'i':
>  			interval = atoi(optarg);
>  			break;
> +		case OPT_JSON:
> +			strncpy(jsonfile, optarg, strnlen(optarg, MAX_PATH-1));
> +			break;
>  		case OPT_LOOPS:
>  		case 'l':
>  			max_cycles = atoi(optarg);
>  			break;
> -		case OPT_OUTPUT:
> -			strncpy(outfile, optarg, strnlen(optarg, MAX_PATH-1));
> -			break;
>  		case OPT_PRIORITY:
>  		case 'p':
>  			priority = atoi(optarg);
> @@ -702,12 +702,12 @@ int main(int argc, char *argv[])
>  		}
>  	}
>  
> -	if (strlen(outfile) != 0) {
> +	if (strlen(jsonfile) != 0) {
>  		struct params_stats ps = {
>  			.receiver = receiver,
>  			.sender = sender,
>  		};
> -		rt_write_json(outfile, 0, write_stats, &ps);
> +		rt_write_json(jsonfile, 0, write_stats, &ps);
>  	}
>  
>  nomem:
> -- 
> 2.31.1
> 
> 
Signed-off-by: John Kacur <jkacur@redhat.com>