To precisely benchmark the spinlock performance, uses the precise
version of getting timestamps, which enforces the timestamps are
obtained at the expected places.
Signed-off-by: Gavin Hu <gavin...@arm.com>
Reviewed-by: Phil Yang <phil.y...@arm.com>
---
test/test/test_spinlock.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/test/test/test_spinlock.c b/test/test/test_spinlock.c
index 6795195ae..648474833 100644
--- a/test/test/test_spinlock.c
+++ b/test/test/test_spinlock.c
@@ -113,14 +113,14 @@ load_loop_fn(void *func_param)
if (lcore != rte_get_master_lcore())
while (rte_atomic32_read(&synchro) == 0);
- begin = rte_get_timer_cycles();
+ begin = rte_rdtsc_precise();
while (time_diff < hz * TIME_MS / 1000) {
if (use_lock)
rte_spinlock_lock(&lk);
lcount++;
if (use_lock)
rte_spinlock_unlock(&lk);
- time_diff = rte_get_timer_cycles() - begin;
+ time_diff = rte_rdtsc_precise() - begin;
}
lock_count[lcore] = lcount;
return 0;
--
2.11.0
