Add read/write counts to test

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

diff --git a/test_urcu.c b/test_urcu.c
index 73fbc4e204e13b032a5830e9149974f32ff7cd19..3a28474561977675c6932663055c3cb8d2e2fc19 100644 (file)
--- a/test_urcu.c
+++ b/test_urcu.c
@@ -65,6 +65,9 @@ static int test_duration(void)
 #define NR_READ 10
 #define NR_WRITE 9
 
+static unsigned long long __thread nr_writes;
+static unsigned long long __thread nr_reads;
+
 pthread_mutex_t rcu_copy_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 void rcu_copy_mutex_lock(void)
@@ -124,8 +127,9 @@ static void test_array_free(struct test_array *ptr)
        rcu_copy_mutex_unlock();
 }
 
-void *thr_reader(void *arg)
+void *thr_reader(void *_count)
 {
+       unsigned long long *count = _count;
        struct test_array *local_ptr;
 
        printf("thread_begin %s, thread id : %lx, tid %lu\n",
@@ -140,20 +144,23 @@ void *thr_reader(void *arg)
                if (local_ptr)
                        assert(local_ptr->a == 8);
                rcu_read_unlock();
+               nr_reads++;
                if (!test_duration())
                        break;
        }
 
        urcu_unregister_thread();
 
+       *count = nr_reads;
        printf("thread_end %s, thread id : %lx, tid %lu\n",
                        "reader", pthread_self(), (unsigned long)gettid());
        return ((void*)1);
 
 }
 
-void *thr_writer(void *arg)
+void *thr_writer(void *_count)
 {
+       unsigned long long *count = _count;
        struct test_array *new, *old;
 
        printf("thread_begin %s, thread id : %lx, tid %lu\n",
@@ -172,6 +179,7 @@ void *thr_writer(void *arg)
                if (old)
                        old->a = 0;
                test_array_free(old);
+               nr_writes++;
                if (!test_duration())
                        break;
                if (!no_writer_delay)
@@ -180,6 +188,7 @@ void *thr_writer(void *arg)
 
        printf("thread_end %s, thread id : %lx, tid %lu\n",
                        "writer", pthread_self(), (unsigned long)gettid());
+       *count = nr_writes;
        return ((void*)2);
 }
 
@@ -198,6 +207,8 @@ int main(int argc, char **argv)
        int err;
        pthread_t tid_reader[NR_READ], tid_writer[NR_WRITE];
        void *tret;
+       unsigned long long count_reader[NR_READ], count_writer[NR_WRITE];
+       unsigned long long tot_reads = 0, tot_writes = 0;
        int i;
 
        if (argc < 2) {
@@ -235,12 +246,14 @@ int main(int argc, char **argv)
                        "main", pthread_self(), (unsigned long)gettid());
 
        for (i = 0; i < NR_READ; i++) {
-               err = pthread_create(&tid_reader[i], NULL, thr_reader, NULL);
+               err = pthread_create(&tid_reader[i], NULL, thr_reader,
+                                    &count_reader[i]);
                if (err != 0)
                        exit(1);
        }
        for (i = 0; i < NR_WRITE; i++) {
-               err = pthread_create(&tid_writer[i], NULL, thr_writer, NULL);
+               err = pthread_create(&tid_writer[i], NULL, thr_writer,
+                                    &count_writer[i]);
                if (err != 0)
                        exit(1);
        }
@@ -249,12 +262,16 @@ int main(int argc, char **argv)
                err = pthread_join(tid_reader[i], &tret);
                if (err != 0)
                        exit(1);
+               tot_reads += count_reader[i];
        }
        for (i = 0; i < NR_WRITE; i++) {
                err = pthread_join(tid_writer[i], &tret);
                if (err != 0)
                        exit(1);
+               tot_writes += count_writer[i];
        }
+       printf("total number of reads : %llu, writes %llu\n", tot_reads,
+              tot_writes);
        test_array_free(test_rcu_pointer);
 
        return 0;