diff options
Diffstat (limited to 'tests/timer')
| -rw-r--r-- | tests/timer/timer_test.c | 61 | ||||
| -rw-r--r-- | tests/timer/timer_test.ok | 2 |
2 files changed, 52 insertions, 11 deletions
diff --git a/tests/timer/timer_test.c b/tests/timer/timer_test.c index bcaafdb2..3775151c 100644 --- a/tests/timer/timer_test.c +++ b/tests/timer/timer_test.c @@ -24,6 +24,8 @@ #include <stdio.h> #include <stdlib.h> +#include <signal.h> +#include <getopt.h> #include <osmocom/core/talloc.h> #include <osmocom/core/timer.h> @@ -60,6 +62,7 @@ struct test_timer { #define TIMER_PRES_SECS 0 #define TIMER_PRES_USECS 10000 +static int timer_nsteps = MAIN_TIMER_NSTEPS; static unsigned int expired_timers = 0; static unsigned int total_timers = 0; static unsigned int too_late = 0; @@ -70,9 +73,9 @@ static void main_timer_fired(void *data) unsigned int add_in_this_step; int i; - if (*step == MAIN_TIMER_NSTEPS) { - printf("Main timer has finished, please, wait a bit for the " - "final report.\n"); + if (*step == timer_nsteps) { + fprintf(stderr, "Main timer has finished, please, " + "wait a bit for the final report.\n"); return; } /* add 2^step pair of timers per step. */ @@ -94,7 +97,7 @@ static void main_timer_fired(void *data) osmo_timer_schedule(&v->timer, seconds, 0); llist_add(&v->head, &timer_test_list); } - printf("added %d timers in step %u (expired=%u)\n", + fprintf(stderr, "added %d timers in step %u (expired=%u)\n", add_in_this_step, *step, expired_timers); total_timers += add_in_this_step; osmo_timer_schedule(&main_timer, TIME_BETWEEN_STEPS, 0); @@ -110,7 +113,8 @@ static void secondary_timer_fired(void *data) timersub(¤t, &v->stop, &res); if (timercmp(&res, &precision, >)) { - printf("ERROR: timer %p has expired too late!\n", v->timer); + fprintf(stderr, "ERROR: timer %p has expired too late!\n", + v->timer); too_late++; } @@ -118,7 +122,7 @@ static void secondary_timer_fired(void *data) talloc_free(data); expired_timers++; if (expired_timers == total_timers) { - printf("test over: added=%u expired=%u too_late=%u \n", + fprintf(stdout, "test over: added=%u expired=%u too_late=%u \n", total_timers, expired_timers, too_late); exit(EXIT_SUCCESS); } @@ -134,19 +138,54 @@ static void secondary_timer_fired(void *data) } } -int main(int argc, char** argv) +static void alarm_handler(int signum) { - printf("Running timer test for %u steps, accepting imprecision " - "of %u.%.6u seconds\n", - MAIN_TIMER_NSTEPS, TIMER_PRES_SECS, TIMER_PRES_USECS); + fprintf(stderr, "ERROR: We took too long to run the timer test, " + "something seems broken, aborting.\n"); + exit(EXIT_FAILURE); +} + +int main(int argc, char *argv[]) +{ + int c; + + if (signal(SIGALRM, alarm_handler) == SIG_ERR) { + perror("cannot register signal handler"); + exit(EXIT_FAILURE); + } + + while ((c = getopt_long(argc, argv, "s:", NULL, NULL)) != -1) { + switch(c) { + case 's': + timer_nsteps = atoi(optarg); + if (timer_nsteps <= 0) { + fprintf(stderr, "%s: steps must be > 0\n", + argv[0]); + exit(EXIT_FAILURE); + } + break; + default: + exit(EXIT_FAILURE); + } + } + + fprintf(stdout, "Running timer test for %u steps, accepting " + "imprecision of %u.%.6u seconds\n", + timer_nsteps, TIMER_PRES_SECS, TIMER_PRES_USECS); osmo_timer_schedule(&main_timer, 1, 0); + /* if the test takes too long, we may consider that the timer scheduler + * has hung. We set some maximum wait time which is the double of the + * maximum timeout randomly set (10 seconds, worst case) plus the + * number of steps (since some of them are reset each step). */ + alarm(2 * (10 + timer_nsteps)); + #ifdef HAVE_SYS_SELECT_H while (1) { osmo_select_main(0); } #else - printf("Select not supported on this platform!\n"); + fprintf(stdout, "Select not supported on this platform!\n"); #endif } diff --git a/tests/timer/timer_test.ok b/tests/timer/timer_test.ok new file mode 100644 index 00000000..b4e0e118 --- /dev/null +++ b/tests/timer/timer_test.ok @@ -0,0 +1,2 @@ +Running timer test for 5 steps, accepting imprecision of 0.010000 seconds +test over: added=31 expired=31 too_late=0 |