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benchmark: Use uatomic for accessing global states
[urcu.git]
/
tests
/
benchmark
/
test_urcu_wfcq.c
diff --git
a/tests/benchmark/test_urcu_wfcq.c
b/tests/benchmark/test_urcu_wfcq.c
index 7f18af0615c79a0f5814e9f58bf99d463a52991b..71bca100cd45670e15ff452eabfab389b0023d1a 100644
(file)
--- a/
tests/benchmark/test_urcu_wfcq.c
+++ b/
tests/benchmark/test_urcu_wfcq.c
@@
-42,7
+42,7
@@
static enum test_sync test_sync;
static int test_force_sync;
static int test_force_sync;
-static volatile int test_
go, test_
stop_enqueue, test_stop_dequeue;
+static volatile int test_stop_enqueue, test_stop_dequeue;
static unsigned long rduration;
static unsigned long rduration;
@@
-108,12
+108,12
@@
static void set_affinity(void)
*/
static int test_duration_dequeue(void)
{
*/
static int test_duration_dequeue(void)
{
- return !
test_stop_dequeue
;
+ return !
uatomic_load(&test_stop_dequeue, CMM_RELAXED)
;
}
static int test_duration_enqueue(void)
{
}
static int test_duration_enqueue(void)
{
- return !
test_stop_enqueue
;
+ return !
uatomic_load(&test_stop_enqueue, CMM_RELAXED)
;
}
static DEFINE_URCU_TLS(unsigned long long, nr_dequeues);
}
static DEFINE_URCU_TLS(unsigned long long, nr_dequeues);
@@
-141,10
+141,7
@@
static void *thr_enqueuer(void *_count)
set_affinity();
set_affinity();
- while (!test_go)
- {
- }
- cmm_smp_mb();
+ wait_until_go();
for (;;) {
struct cds_wfcq_node *node = malloc(sizeof(*node));
for (;;) {
struct cds_wfcq_node *node = malloc(sizeof(*node));
@@
-252,10
+249,7
@@
static void *thr_dequeuer(void *_count)
set_affinity();
set_affinity();
- while (!test_go)
- {
- }
- cmm_smp_mb();
+ wait_until_go();
for (;;) {
if (test_dequeue && test_splice) {
for (;;) {
if (test_dequeue && test_splice) {
@@
-468,7
+462,7
@@
int main(int argc, char **argv)
cmm_smp_mb();
cmm_smp_mb();
-
test_go = 1
;
+
begin_test()
;
for (i_thr = 0; i_thr < duration; i_thr++) {
sleep(1);
for (i_thr = 0; i_thr < duration; i_thr++) {
sleep(1);
@@
-478,7
+472,7
@@
int main(int argc, char **argv)
}
}
}
}
-
test_stop_enqueue = 1
;
+
uatomic_store(&test_stop_enqueue, 1, CMM_RELEASE)
;
if (test_wait_empty) {
while (nr_enqueuers != uatomic_read(&test_enqueue_stopped)) {
if (test_wait_empty) {
while (nr_enqueuers != uatomic_read(&test_enqueue_stopped)) {
@@
-489,7
+483,7
@@
int main(int argc, char **argv)
}
}
}
}
-
test_stop_dequeue = 1
;
+
uatomic_store(&test_stop_dequeue, 1, CMM_RELAXED)
;
for (i_thr = 0; i_thr < nr_enqueuers; i_thr++) {
err = pthread_join(tid_enqueuer[i_thr], &tret);
for (i_thr = 0; i_thr < nr_enqueuers; i_thr++) {
err = pthread_join(tid_enqueuer[i_thr], &tret);
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