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/rt-migrate-test/rt-migrate-test.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/src/rt-migrate-test/rt-migrate-test.c b/src/rt-migrate-test/rt-migrate-test.c
> index f1b7e5e4fe8c..9bf716c9178c 100644
> --- a/src/rt-migrate-test/rt-migrate-test.c
> +++ b/src/rt-migrate-test/rt-migrate-test.c
> @@ -98,6 +98,7 @@ static unsigned long long now;
> static int done;
> static int loop;
> static int duration;
> +static int quiet;
>
> static pthread_barrier_t start_barrier;
> static pthread_barrier_t end_barrier;
> @@ -160,6 +161,7 @@ static void usage(int error)
> "-l LOOPS --loops=LOOPS Number of iterations to run (50)\n"
> "-m TIME --maxerr=TIME Max allowed error (microsecs)\n"
> "-p PRIO --prio=PRIO base priority to start RT tasks with (2)\n"
> + "-q --quiet print a summary only on exit\n"
> "-r TIME --run-time=TIME Run time (ms) to busy loop the threads (20)\n"
> "-s TIME --sleep-time=TIME Sleep time (ms) between intervals (100)\n\n"
> " () above are defaults \n"
> @@ -180,11 +182,12 @@ static void parse_options(int argc, char *argv[])
> {"loops", required_argument, NULL, 'l'},
> {"maxerr", required_argument, NULL, 'm'},
> {"prio", required_argument, NULL, 'p'},
> + {"quiet", no_argument, NULL, 'q'},
> {"run-time", required_argument, NULL, 'r'},
> {"sleep-time", required_argument, NULL, 's'},
> {NULL, 0, NULL, 0}
> };
> - int c = getopt_long(argc, argv, "cD:ehl:m:p:r:s:",
> + int c = getopt_long(argc, argv, "cD:ehl:m:p:qr:s:",
> long_options, &option_index);
> if (c == -1)
> break;
> @@ -199,6 +202,7 @@ static void parse_options(int argc, char *argv[])
> case 'l': nr_runs = atoi(optarg); break;
> case 'm': max_err = usec2nano(atoi(optarg)); break;
> case 'p': prio_start = atoi(optarg); break;
> + case 'q': quiet = 1; break;
> case 'r':
> run_interval = atoi(optarg);
> break;
> @@ -532,7 +536,8 @@ int main (int argc, char **argv)
> intv.tv_sec = nano2sec(INTERVAL);
> intv.tv_nsec = INTERVAL % sec2nano(1);
>
> - print_progress_bar(0);
> + if (!quiet)
> + print_progress_bar(0);
>
> setup_ftrace_marker();
>
> @@ -552,7 +557,8 @@ int main (int argc, char **argv)
>
> nanosleep(&intv, NULL);
>
> - print_progress_bar((loop * 100)/nr_runs);
> + if (!quiet)
> + print_progress_bar((loop * 100)/nr_runs);
>
> end = get_time();
> ftrace_write("Loop %d end now=%lld diff=%lld\n", loop, end, end - now);
> --
> 2.29.2
>
>
Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
