void *thr_writer(void *_count) { unsigned long long *count = _count; printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "writer", (unsigned long) pthread_self(), (unsigned long) gettid()); set_affinity(); while (!test_go) { } cmm_smp_mb(); for (;;) { pthread_rwlock_wrlock(&lock); test_array.a = 0; test_array.a = 8; if (caa_unlikely(wduration)) loop_sleep(wduration); pthread_rwlock_unlock(&lock); URCU_TLS(nr_writes)++; if (caa_unlikely(!test_duration_write())) break; if (caa_unlikely(wdelay)) loop_sleep(wdelay); } printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", "writer", (unsigned long) pthread_self(), (unsigned long) gettid()); *count = URCU_TLS(nr_writes); return ((void*)2); }
void *thr_writer(void *data) { unsigned long wtidx = (unsigned long)data; printf_verbose("thread_begin %s, tid %lu\n", "writer", urcu_get_thread_id()); set_affinity(); while (!test_go) { } cmm_smp_mb(); for (;;) { pthread_mutex_lock(&lock); test_array.a = 0; test_array.a = 8; if (caa_unlikely(wduration)) loop_sleep(wduration); pthread_mutex_unlock(&lock); URCU_TLS(nr_writes)++; if (caa_unlikely(!test_duration_write())) break; if (caa_unlikely(wdelay)) loop_sleep(wdelay); } printf_verbose("thread_end %s, tid %lu\n", "writer", urcu_get_thread_id()); tot_nr_writes[wtidx] = URCU_TLS(nr_writes); return ((void*)2); }
void *thr_writer(void *data) { unsigned long wtidx = (unsigned long)data; long tidx; printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "writer", (unsigned long) pthread_self(), (unsigned long) gettid()); set_affinity(); while (!test_go) { } cmm_smp_mb(); for (;;) { for (tidx = 0; tidx < nr_readers; tidx++) { pthread_mutex_lock(&per_thread_lock[tidx].lock); } test_array.a = 0; test_array.a = 8; if (caa_unlikely(wduration)) loop_sleep(wduration); for (tidx = (long)nr_readers - 1; tidx >= 0; tidx--) { pthread_mutex_unlock(&per_thread_lock[tidx].lock); } URCU_TLS(nr_writes)++; if (caa_unlikely(!test_duration_write())) break; if (caa_unlikely(wdelay)) loop_sleep(wdelay); } printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", "writer", (unsigned long) pthread_self(), (unsigned long) gettid()); tot_nr_writes[wtidx] = URCU_TLS(nr_writes); return ((void*)2); }
void *test_hash_rw_thr_writer(void *_count) { struct lfht_test_node *node; struct cds_lfht_node *ret_node; struct cds_lfht_iter iter; struct wr_count *count = _count; int ret; printf_verbose("thread_begin %s, tid %lu\n", "writer", urcu_get_thread_id()); URCU_TLS(rand_lookup) = urcu_get_thread_id() ^ time(NULL); set_affinity(); rcu_register_thread(); while (!test_go) { } cmm_smp_mb(); for (;;) { if ((addremove == AR_ADD || add_only) || (addremove == AR_RANDOM && rand_r(&URCU_TLS(rand_lookup)) & 1)) { node = malloc(sizeof(struct lfht_test_node)); lfht_test_node_init(node, (void *)(((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % write_pool_size) + write_pool_offset), sizeof(void *)); rcu_read_lock(); if (add_unique) { ret_node = cds_lfht_add_unique(test_ht, test_hash(node->key, node->key_len, TEST_HASH_SEED), test_match, node->key, &node->node); } else { if (add_replace) ret_node = cds_lfht_add_replace(test_ht, test_hash(node->key, node->key_len, TEST_HASH_SEED), test_match, node->key, &node->node); else cds_lfht_add(test_ht, test_hash(node->key, node->key_len, TEST_HASH_SEED), &node->node); } rcu_read_unlock(); if (add_unique && ret_node != &node->node) { free(node); URCU_TLS(nr_addexist)++; } else { if (add_replace && ret_node) { call_rcu(&to_test_node(ret_node)->head, free_node_cb); URCU_TLS(nr_addexist)++; } else { URCU_TLS(nr_add)++; } } } else { /* May delete */ rcu_read_lock(); cds_lfht_test_lookup(test_ht, (void *)(((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % write_pool_size) + write_pool_offset), sizeof(void *), &iter); ret = cds_lfht_del(test_ht, cds_lfht_iter_get_node(&iter)); rcu_read_unlock(); if (ret == 0) { node = cds_lfht_iter_get_test_node(&iter); call_rcu(&node->head, free_node_cb); URCU_TLS(nr_del)++; } else URCU_TLS(nr_delnoent)++; } #if 0 //if (URCU_TLS(nr_writes) % 100000 == 0) { if (URCU_TLS(nr_writes) % 1000 == 0) { rcu_read_lock(); if (rand_r(&URCU_TLS(rand_lookup)) & 1) { ht_resize(test_ht, 1); } else { ht_resize(test_ht, -1); } rcu_read_unlock(); } #endif //0 URCU_TLS(nr_writes)++; if (caa_unlikely(!test_duration_write())) break; if (caa_unlikely(wdelay)) loop_sleep(wdelay); if (caa_unlikely((URCU_TLS(nr_writes) & ((1 << 10) - 1)) == 0)) rcu_quiescent_state(); } rcu_unregister_thread(); printf_verbose("thread_end %s, tid %lu\n", "writer", urcu_get_thread_id()); printf_verbose("info tid %lu: nr_add %lu, nr_addexist %lu, nr_del %lu, " "nr_delnoent %lu\n", urcu_get_thread_id(), URCU_TLS(nr_add), URCU_TLS(nr_addexist), URCU_TLS(nr_del), URCU_TLS(nr_delnoent)); count->update_ops = URCU_TLS(nr_writes); count->add = URCU_TLS(nr_add); count->add_exist = URCU_TLS(nr_addexist); count->remove = URCU_TLS(nr_del); return ((void*)2); }