static void *thr_dequeuer(void *_count)
{
unsigned long long *count = _count;
- unsigned int counter;
+ unsigned int counter = 0;
printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
"dequeuer", (unsigned long) pthread_self(),
static void show_usage(int argc, char **argv)
{
- printf("Usage : %s nr_dequeuers nr_enqueuers duration (s)", argv[0]);
- printf(" [-d delay] (enqueuer period (in loops))");
- printf(" [-c duration] (dequeuer period (in loops))");
- printf(" [-v] (verbose output)");
- printf(" [-a cpu#] [-a cpu#]... (affinity)");
- printf(" [-q] (test dequeue)");
- printf(" [-s] (test splice, enabled by default)");
- printf(" [-M] (use mutex external synchronization)");
- printf(" Note: default: no external synchronization used.");
- printf(" [-f] (force user-provided synchronization)");
- printf(" [-w] Wait for dequeuer to empty queue");
+ printf("Usage : %s nr_dequeuers nr_enqueuers duration (s) <OPTIONS>\n",
+ argv[0]);
+ printf("OPTIONS:\n");
+ printf(" [-d delay] (enqueuer period (in loops))\n");
+ printf(" [-c duration] (dequeuer period (in loops))\n");
+ printf(" [-v] (verbose output)\n");
+ printf(" [-a cpu#] [-a cpu#]... (affinity)\n");
+ printf(" [-q] (test dequeue)\n");
+ printf(" [-s] (test splice, enabled by default)\n");
+ printf(" [-M] (use mutex external synchronization)\n");
+ printf(" Note: default: no external synchronization used.\n");
+ printf(" [-f] (force user-provided synchronization)\n");
+ printf(" [-w] Wait for dequeuer to empty queue\n");
printf("\n");
}