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Diffstat (limited to 'test/test/test_spinlock.c')
-rw-r--r--test/test/test_spinlock.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/test/test/test_spinlock.c b/test/test/test_spinlock.c
index 73bff128..6ac74959 100644
--- a/test/test/test_spinlock.c
+++ b/test/test/test_spinlock.c
@@ -96,16 +96,16 @@ test_spinlock_recursive_per_core(__attribute__((unused)) void *arg)
}
static rte_spinlock_t lk = RTE_SPINLOCK_INITIALIZER;
-static uint64_t lock_count[RTE_MAX_LCORE] = {0};
+static uint64_t time_count[RTE_MAX_LCORE] = {0};
-#define TIME_MS 100
+#define MAX_LOOP 10000
static int
load_loop_fn(void *func_param)
{
uint64_t time_diff = 0, begin;
uint64_t hz = rte_get_timer_hz();
- uint64_t lcount = 0;
+ volatile uint64_t lcount = 0;
const int use_lock = *(int*)func_param;
const unsigned lcore = rte_lcore_id();
@@ -114,17 +114,15 @@ load_loop_fn(void *func_param)
while (rte_atomic32_read(&synchro) == 0);
begin = rte_get_timer_cycles();
- while (time_diff < hz * TIME_MS / 1000) {
+ while (lcount < MAX_LOOP) {
if (use_lock)
rte_spinlock_lock(&lk);
lcount++;
if (use_lock)
rte_spinlock_unlock(&lk);
- /* delay to make lock duty cycle slighlty realistic */
- rte_delay_us(1);
- time_diff = rte_get_timer_cycles() - begin;
}
- lock_count[lcore] = lcount;
+ time_diff = rte_get_timer_cycles() - begin;
+ time_count[lcore] = time_diff * 1000000 / hz;
return 0;
}
@@ -138,14 +136,16 @@ test_spinlock_perf(void)
printf("\nTest with no lock on single core...\n");
load_loop_fn(&lock);
- printf("Core [%u] count = %"PRIu64"\n", lcore, lock_count[lcore]);
- memset(lock_count, 0, sizeof(lock_count));
+ printf("Core [%u] Cost Time = %"PRIu64" us\n", lcore,
+ time_count[lcore]);
+ memset(time_count, 0, sizeof(time_count));
printf("\nTest with lock on single core...\n");
lock = 1;
load_loop_fn(&lock);
- printf("Core [%u] count = %"PRIu64"\n", lcore, lock_count[lcore]);
- memset(lock_count, 0, sizeof(lock_count));
+ printf("Core [%u] Cost Time = %"PRIu64" us\n", lcore,
+ time_count[lcore]);
+ memset(time_count, 0, sizeof(time_count));
printf("\nTest with lock on %u cores...\n", rte_lcore_count());
@@ -160,11 +160,12 @@ test_spinlock_perf(void)
rte_eal_mp_wait_lcore();
RTE_LCORE_FOREACH(i) {
- printf("Core [%u] count = %"PRIu64"\n", i, lock_count[i]);
- total += lock_count[i];
+ printf("Core [%u] Cost Time = %"PRIu64" us\n", i,
+ time_count[i]);
+ total += time_count[i];
}
- printf("Total count = %"PRIu64"\n", total);
+ printf("Total Cost Time = %"PRIu64" us\n", total);
return 0;
}