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
