X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=tests%2Ftest_urcu_lfs.c;h=8c28c2ba4708f7d631241ee312556e1c03c6c3fb;hb=69328034b804a0fc180c08f7ca6be1a4446bb105;hp=883fd0c18add12ad4b97b4063f92c88dfa77732b;hpb=cc6b0c208a9707f8a64609a51167290caeace288;p=urcu.git diff --git a/tests/test_urcu_lfs.c b/tests/test_urcu_lfs.c index 883fd0c..8c28c2b 100644 --- a/tests/test_urcu_lfs.c +++ b/tests/test_urcu_lfs.c @@ -38,6 +38,7 @@ #include #include +#include #ifdef __linux__ #include @@ -66,7 +67,6 @@ static inline pid_t gettid(void) #endif #include #include -#include static volatile int test_go, test_stop; @@ -77,9 +77,9 @@ static unsigned long duration; /* read-side C.S. duration, in loops */ static unsigned long wdelay; -static inline void loop_sleep(unsigned long l) +static inline void loop_sleep(unsigned long loops) { - while(l-- != 0) + while (loops-- != 0) caa_cpu_relax(); } @@ -105,9 +105,10 @@ typedef unsigned long cpu_set_t; static void set_affinity(void) { +#if HAVE_SCHED_SETAFFINITY cpu_set_t mask; - int cpu; - int ret; + int cpu, ret; +#endif /* HAVE_SCHED_SETAFFINITY */ if (!use_affinity) return; @@ -148,11 +149,11 @@ static int test_duration_enqueue(void) return !test_stop; } -static unsigned long long __thread nr_dequeues; -static unsigned long long __thread nr_enqueues; +static DEFINE_URCU_TLS(unsigned long long, nr_dequeues); +static DEFINE_URCU_TLS(unsigned long long, nr_enqueues); -static unsigned long long __thread nr_successful_dequeues; -static unsigned long long __thread nr_successful_enqueues; +static DEFINE_URCU_TLS(unsigned long long, nr_successful_dequeues); +static DEFINE_URCU_TLS(unsigned long long, nr_successful_enqueues); static unsigned int nr_enqueuers; static unsigned int nr_dequeuers; @@ -187,24 +188,24 @@ void *thr_enqueuer(void *_count) cds_lfs_node_init_rcu(&node->list); /* No rcu read-side is needed for push */ cds_lfs_push_rcu(&s, &node->list); - nr_successful_enqueues++; + URCU_TLS(nr_successful_enqueues)++; if (caa_unlikely(wdelay)) loop_sleep(wdelay); fail: - nr_enqueues++; + URCU_TLS(nr_enqueues)++; if (caa_unlikely(!test_duration_enqueue())) break; } rcu_unregister_thread(); - count[0] = nr_enqueues; - count[1] = nr_successful_enqueues; + count[0] = URCU_TLS(nr_enqueues); + count[1] = URCU_TLS(nr_successful_enqueues); printf_verbose("enqueuer thread_end, thread id : %lx, tid %lu, " "enqueues %llu successful_enqueues %llu\n", - pthread_self(), (unsigned long)gettid(), nr_enqueues, - nr_successful_enqueues); + pthread_self(), (unsigned long)gettid(), + URCU_TLS(nr_enqueues), URCU_TLS(nr_successful_enqueues)); return ((void*)1); } @@ -220,18 +221,12 @@ void free_node_cb(struct rcu_head *head) void *thr_dequeuer(void *_count) { unsigned long long *count = _count; - int ret; printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "dequeuer", pthread_self(), (unsigned long)gettid()); set_affinity(); - ret = rcu_defer_register_thread(); - if (ret) { - printf("Error in rcu_defer_register_thread\n"); - exit(-1); - } rcu_register_thread(); while (!test_go) @@ -241,17 +236,18 @@ void *thr_dequeuer(void *_count) for (;;) { struct cds_lfs_node_rcu *snode; - struct test *node; rcu_read_lock(); snode = cds_lfs_pop_rcu(&s); - node = caa_container_of(snode, struct test, list); rcu_read_unlock(); - if (node) { + if (snode) { + struct test *node; + + node = caa_container_of(snode, struct test, list); call_rcu(&node->rcu, free_node_cb); - nr_successful_dequeues++; + URCU_TLS(nr_successful_dequeues)++; } - nr_dequeues++; + URCU_TLS(nr_dequeues)++; if (caa_unlikely(!test_duration_dequeue())) break; if (caa_unlikely(rduration)) @@ -259,14 +255,13 @@ void *thr_dequeuer(void *_count) } rcu_unregister_thread(); - rcu_defer_unregister_thread(); printf_verbose("dequeuer thread_end, thread id : %lx, tid %lu, " "dequeues %llu, successful_dequeues %llu\n", - pthread_self(), (unsigned long)gettid(), nr_dequeues, - nr_successful_dequeues); - count[0] = nr_dequeues; - count[1] = nr_successful_dequeues; + pthread_self(), (unsigned long)gettid(), + URCU_TLS(nr_dequeues), URCU_TLS(nr_successful_dequeues)); + count[0] = URCU_TLS(nr_dequeues); + count[1] = URCU_TLS(nr_successful_dequeues); return ((void*)2); } @@ -379,7 +374,9 @@ int main(int argc, char **argv) count_dequeuer = malloc(2 * sizeof(*count_dequeuer) * nr_dequeuers); cds_lfs_init_rcu(&s); err = create_all_cpu_call_rcu_data(0); - assert(!err); + if (err) { + printf("Per-CPU call_rcu() worker threads unavailable. Using default global worker thread.\n"); + } next_aff = 0;