X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=test%2Frcu_test.c;h=b2dedaae418d974406b0697cbdef7457efb107c5;hb=ff3c302d5e137d9653c656eee016bacf5d988d66;hp=96d196b37a9c71aba3c3d1b5c6b02095c70b0382;hpb=b21e1c182a2e469240d2b1cbbda37f2dfeb880d9;p=nbds diff --git a/test/rcu_test.c b/test/rcu_test.c index 96d196b..b2dedaa 100644 --- a/test/rcu_test.c +++ b/test/rcu_test.c @@ -1,9 +1,12 @@ +#define _POSIX_C_SOURCE 1 // for rand_r #include #include #include +#include #include "common.h" #include "runtime.h" #include "mem.h" +#include "rcu.h" #define NUM_ITERATIONS 10000000 @@ -27,18 +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; } @@ -54,7 +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; @@ -65,7 +68,7 @@ void *worker (void *arg) { } else { node_t *x = lifo_aba_pop(stk_); if (x) { - nbd_defer_free(x); + rcu_defer_free(x); } } rcu_update(); @@ -75,10 +78,9 @@ void *worker (void *arg) { } int main (int argc, char **argv) { - nbd_init(); - //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; @@ -96,6 +98,10 @@ int main (int argc, char **argv) { stk_ = lifo_alloc(); wait_ = num_threads; + struct timeval tv1, tv2; + gettimeofday(&tv1, NULL); + wait_ = num_threads; + pthread_t thread[num_threads]; for (int i = 0; i < num_threads; ++i) { int rc = nbd_thread_create(thread + i, i, worker, (void *)(size_t)i); @@ -105,5 +111,10 @@ int main (int argc, char **argv) { pthread_join(thread[i], NULL); } + gettimeofday(&tv2, NULL); + int ms = (int)(1000000*(tv2.tv_sec - tv1.tv_sec) + tv2.tv_usec - tv1.tv_usec) / 1000; + printf("Th:%d Time:%dms\n\n", num_threads, ms); + fflush(stdout); + return 0; }