X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_lfs.c;h=5886ce86de50c1ab2c25c61a172d895fa4a33a53;hp=c85fa447c37afd7eb48da32f1c10811e57fd9d85;hb=ab0aacbe1a25d50d069f0b24aa492e84ea296f57;hpb=0938c5415e2a0bf18afc9a225466ddf01e7cbb3d diff --git a/tests/test_urcu_lfs.c b/tests/test_urcu_lfs.c index c85fa44..5886ce8 100644 --- a/tests/test_urcu_lfs.c +++ b/tests/test_urcu_lfs.c @@ -38,6 +38,7 @@ #include #include +#include #ifdef __linux__ #include @@ -77,9 +78,9 @@ 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(); } @@ -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 (unlikely(wdelay)) + if (caa_unlikely(wdelay)) loop_sleep(wdelay); fail: - nr_enqueues++; - if (unlikely(!test_duration_enqueue())) + 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); } @@ -249,12 +250,12 @@ void *thr_dequeuer(void *_count) rcu_read_unlock(); if (node) { call_rcu(&node->rcu, free_node_cb); - nr_successful_dequeues++; + URCU_TLS(nr_successful_dequeues)++; } - nr_dequeues++; - if (unlikely(!test_duration_dequeue())) + URCU_TLS(nr_dequeues)++; + if (caa_unlikely(!test_duration_dequeue())) break; - if (unlikely(rduration)) + if (caa_unlikely(rduration)) loop_sleep(rduration); } @@ -263,10 +264,10 @@ void *thr_dequeuer(void *_count) 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 +380,9 @@ 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;