X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=test_urcu.c;h=129b33abdb4a3dd6d2e0bea6f567c0caad2fd611;hp=73fbc4e204e13b032a5830e9149974f32ff7cd19;hb=3db2d75b432e617014976239f694b91de2bc0d7d;hpb=bb48818526ec4317f9e6daeb0aa1cd64d528f754 diff --git a/test_urcu.c b/test_urcu.c index 73fbc4e..129b33a 100644 --- a/test_urcu.c +++ b/test_urcu.c @@ -47,14 +47,25 @@ static struct test_array *test_rcu_pointer; static unsigned long duration; static time_t start_time; static unsigned long __thread duration_interval; -#define DURATION_TEST_DELAY 100 +#define DURATION_TEST_DELAY_WRITE 4 +#define DURATION_TEST_DELAY_READ 100 /* * returns 0 if test should end. */ -static int test_duration(void) +static int test_duration_write(void) { - if (duration_interval++ >= DURATION_TEST_DELAY) { + if (duration_interval++ >= DURATION_TEST_DELAY_WRITE) { + duration_interval = 0; + if (time(NULL) - start_time >= duration) + return 0; + } + return 1; +} + +static int test_duration_read(void) +{ + if (duration_interval++ >= DURATION_TEST_DELAY_READ) { duration_interval = 0; if (time(NULL) - start_time >= duration) return 0; @@ -65,6 +76,9 @@ 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 +138,9 @@ 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 +155,23 @@ void *thr_reader(void *arg) if (local_ptr) assert(local_ptr->a == 8); rcu_read_unlock(); - if (!test_duration()) + nr_reads++; + if (!test_duration_read()) 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", @@ -172,7 +190,8 @@ void *thr_writer(void *arg) if (old) old->a = 0; test_array_free(old); - if (!test_duration()) + nr_writes++; + if (!test_duration_write()) break; if (!no_writer_delay) usleep(1); @@ -180,6 +199,7 @@ 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 +218,8 @@ 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 +257,14 @@ 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 +273,17 @@ 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;