X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_rwlock.c;h=40f91759c2696f7dae92dd28023e687f8b4b8ace;hb=94a24aaf6c5bd0a03c2828e7411d30a4fc0ac075;hp=224f0dea81c278cfee31903cb0da0167bc6b01dc;hpb=a9de470cc7c0649221e156fc5f30a2dbdfe7c166;p=dpdk.git

diff --git a/app/test/test_rwlock.c b/app/test/test_rwlock.c
index 224f0dea81..40f91759c2 100644
--- a/app/test/test_rwlock.c
+++ b/app/test/test_rwlock.c
@@ -36,6 +36,7 @@
 
 static rte_rwlock_t sl;
 static rte_rwlock_t sl_tab[RTE_MAX_LCORE];
+static rte_atomic32_t synchro;
 
 enum {
 	LC_TYPE_RDLOCK,
@@ -83,6 +84,79 @@ test_rwlock_per_core(__attribute__((unused)) void *arg)
 	return 0;
 }
 
+static rte_rwlock_t lk = RTE_RWLOCK_INITIALIZER;
+static volatile uint64_t rwlock_data;
+static uint64_t time_count[RTE_MAX_LCORE] = {0};
+
+#define MAX_LOOP 10000
+#define TEST_RWLOCK_DEBUG 0
+
+static int
+load_loop_fn(__attribute__((unused)) void *arg)
+{
+	uint64_t time_diff = 0, begin;
+	uint64_t hz = rte_get_timer_hz();
+	uint64_t lcount = 0;
+	const unsigned int lcore = rte_lcore_id();
+
+	/* wait synchro for slaves */
+	if (lcore != rte_get_master_lcore())
+		while (rte_atomic32_read(&synchro) == 0)
+			;
+
+	begin = rte_rdtsc_precise();
+	while (lcount < MAX_LOOP) {
+		rte_rwlock_write_lock(&lk);
+		++rwlock_data;
+		rte_rwlock_write_unlock(&lk);
+
+		rte_rwlock_read_lock(&lk);
+		if (TEST_RWLOCK_DEBUG && !(lcount % 100))
+			printf("Core [%u] rwlock_data = %"PRIu64"\n",
+				lcore, rwlock_data);
+		rte_rwlock_read_unlock(&lk);
+
+		lcount++;
+		/* delay to make lock duty cycle slightly realistic */
+		rte_pause();
+	}
+
+	time_diff = rte_rdtsc_precise() - begin;
+	time_count[lcore] = time_diff * 1000000 / hz;
+	return 0;
+}
+
+static int
+test_rwlock_perf(void)
+{
+	unsigned int i;
+	uint64_t total = 0;
+
+	printf("\nRwlock Perf Test on %u cores...\n", rte_lcore_count());
+
+	/* clear synchro and start slaves */
+	rte_atomic32_set(&synchro, 0);
+	if (rte_eal_mp_remote_launch(load_loop_fn, NULL, SKIP_MASTER) < 0)
+		return -1;
+
+	/* start synchro and launch test on master */
+	rte_atomic32_set(&synchro, 1);
+	load_loop_fn(NULL);
+
+	rte_eal_mp_wait_lcore();
+
+	RTE_LCORE_FOREACH(i) {
+		printf("Core [%u] cost time = %"PRIu64" us\n",
+			i, time_count[i]);
+		total += time_count[i];
+	}
+
+	printf("Total cost time = %"PRIu64" us\n", total);
+	memset(time_count, 0, sizeof(time_count));
+
+	return 0;
+}
+
 /*
  * - There is a global rwlock and a table of rwlocks (one per lcore).
  *
@@ -132,6 +206,9 @@ rwlock_test1(void)
 
 	rte_eal_mp_wait_lcore();
 
+	if (test_rwlock_perf() < 0)
+		return -1;
+
 	return 0;
 }
 
@@ -470,3 +547,9 @@ test_rwlock(void)
 }
 
 REGISTER_TEST_COMMAND(rwlock_autotest, test_rwlock);
+
+/* subtests used in meson for CI */
+REGISTER_TEST_COMMAND(rwlock_test1_autotest, rwlock_test1);
+REGISTER_TEST_COMMAND(rwlock_rda_autotest, try_rwlock_test_rda);
+REGISTER_TEST_COMMAND(rwlock_rds_wrm_autotest, try_rwlock_test_rds_wrm);
+REGISTER_TEST_COMMAND(rwlock_rde_wro_autotest, try_rwlock_test_rde_wro);