On Wed, 18 Nov 2020, Daniel Wagner wrote:
> The quiet option is useful for automated test setups where
> only the final result of the run is interesting. This avoids
> to fill up the logs.
>
> Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
> ---
> src/sigwaittest/sigwaittest.c | 19 +++++++++++++++----
> 1 file changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/src/sigwaittest/sigwaittest.c b/src/sigwaittest/sigwaittest.c
> index d3be2fd9508c..7e287bd2424f 100644
> --- a/src/sigwaittest/sigwaittest.c
> +++ b/src/sigwaittest/sigwaittest.c
> @@ -221,6 +221,7 @@ static void display_help(int error)
> "-i INTV --interval=INTV base interval of thread in us default=1000\n"
> "-l LOOPS --loops=LOOPS number of loops: default=0(endless)\n"
> "-p PRIO --prio=PRIO priority\n"
> + "-q --quiet print a summary only on exit\n"
> "-t --threads one thread per available processor\n"
> "-t [NUM] --threads=NUM number of threads:\n"
> " without NUM, threads = max_cpus\n"
> @@ -238,6 +239,7 @@ static int max_cycles;
> static int duration;
> static int interval = 1000;
> static int distance = 500;
> +static int quiet;
>
> static void process_options(int argc, char *argv[])
> {
> @@ -258,10 +260,11 @@ static void process_options(int argc, char *argv[])
> {"interval", required_argument, NULL, 'i'},
> {"loops", required_argument, NULL, 'l'},
> {"priority", required_argument, NULL, 'p'},
> + {"quiet", no_argument, NULL, 'q'},
> {"threads", optional_argument, NULL, 't'},
> {NULL, 0, NULL, 0}
> };
> - int c = getopt_long (argc, argv, "a::b:d:D:f::hi:l:p:t::",
> + int c = getopt_long (argc, argv, "a::b:d:D:f::hi:l:p:qt::",
> long_options, &option_index);
> if (c == -1)
> break;
> @@ -298,6 +301,7 @@ static void process_options(int argc, char *argv[])
> case 'i': interval = atoi(optarg); break;
> case 'l': max_cycles = atoi(optarg); break;
> case 'p': priority = atoi(optarg); break;
> + case 'q': quiet = 1; break;
> case 't':
> if (optarg != NULL)
> num_threads = atoi(optarg);
> @@ -352,6 +356,9 @@ static void print_stat(FILE *fp, struct params *receiver, struct params *sender,
> {
> int i;
>
> + if (quiet)
> + return;
> +
> for (i = 0; i < num_threads; i++) {
> int receiver_pid, sender_pid;
> if (mustfork) {
> @@ -577,8 +584,9 @@ int main(int argc, char *argv[])
> sender[i].shutdown;
>
> if (receiver[0].samples > oldsamples || mustshutdown) {
> - print_stat(stdout, receiver, sender, 0, 0);
> - printf("\033[%dA", num_threads*2);
> + print_stat(stdout, receiver, sender, 0, quiet);
> + if (!quiet)
> + printf("\033[%dA", num_threads*2);
> }
>
> sigemptyset(&sigset);
> @@ -593,7 +601,10 @@ int main(int argc, char *argv[])
> pthread_sigmask(SIG_SETMASK, &sigset, NULL);
> }
>
> - printf("\033[%dB", num_threads*2 + 2);
> + if (!quiet)
> + printf("\033[%dB", num_threads*2 + 2);
> + else
> + print_stat(stdout, receiver, sender, 0, 0);
>
> for (i = 0; i < num_threads; i++) {
> receiver[i].shutdown = 1;
> --
> 2.29.2
>
>
Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
