add perf test driver

[nbds] / test / rcu_test.c

diff --git a/test/rcu_test.c b/test/rcu_test.c
index d4696481a8b1369759c93fb6f5307b9cf00cfe37..b2dedaae418d974406b0697cbdef7457efb107c5 100644 (file)
--- a/test/rcu_test.c
+++ b/test/rcu_test.c
@@ -30,18 +30,18 @@ static lifo_t *lifo_alloc (void) {
 static void lifo_aba_push (lifo_t *stk, node_t *x) {
     node_t *head;
     do {
-        head = ((volatile lifo_t *)stk)->head;
-        ((volatile node_t *)x)->next = head;
-    } while (__sync_val_compare_and_swap(&stk->head, head, x) != head);
+        head = VOLATILE_DEREF(stk).head;
+        VOLATILE_DEREF(x).next = head;
+    } while (SYNC_CAS(&stk->head, head, x) != head);
 }
 
 node_t *lifo_aba_pop (lifo_t *stk) {
     node_t *head;
     do {
-        head = ((volatile lifo_t *)stk)->head;
+        head = VOLATILE_DEREF(stk).head;
         if (head == NULL)
             return NULL;
-    } while (__sync_val_compare_and_swap(&stk->head, head, head->next) != head);
+    } while (SYNC_CAS(&stk->head, head, head->next) != head);
     head->next = NULL;
     return head;
 }
@@ -57,7 +57,7 @@ void *worker (void *arg) {
     unsigned int rand_seed = (unsigned int)id + 1;
 
     // Wait for all the worker threads to be ready.
-    __sync_fetch_and_add(&wait_, -1);
+    (void)__sync_fetch_and_add(&wait_, -1);
     do {} while (wait_); 
 
     int i;
@@ -78,9 +78,9 @@ void *worker (void *arg) {
 }
 
 int main (int argc, char **argv) {
-    //lwt_set_trace_level("m0r0");
+    lwt_set_trace_level("m3r3");
 
-    int num_threads = 2;
+    int num_threads = MAX_NUM_THREADS;
     if (argc == 2)
     {
         errno = 0;