[dpdk-dev] [PATCH 2/2] test/rcu: use existing lcore API

David Marchand david.marchand at redhat.com
Wed May 15 09:57:00 CEST 2019


Prefer the existing apis rather than direct access lcore_config that is
going to disappear.

Fixes: b87089b0bb19 ("test/rcu: add API and functional tests")

Signed-off-by: David Marchand <david.marchand at redhat.com>
---
 app/test/test_rcu_qsbr.c      | 22 ++++++++++------------
 app/test/test_rcu_qsbr_perf.c | 12 ++++--------
 2 files changed, 14 insertions(+), 20 deletions(-)

diff --git a/app/test/test_rcu_qsbr.c b/app/test/test_rcu_qsbr.c
index ed6934a..92ab0c2 100644
--- a/app/test/test_rcu_qsbr.c
+++ b/app/test/test_rcu_qsbr.c
@@ -853,11 +853,10 @@
 	hash_data[0][6] = NULL;
 
 	writer_done = 1;
-	/* Wait until all readers have exited */
-	rte_eal_mp_wait_lcore();
-	/* Check return value from threads */
+
+	/* Wait and check return value from reader threads */
 	for (i = 0; i < 4; i++)
-		if (lcore_config[enabled_core_ids[i]].ret < 0)
+		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 			goto error;
 	rte_hash_free(h[0]);
 	rte_free(keys);
@@ -913,17 +912,16 @@
 		rte_eal_remote_launch(test_rcu_qsbr_writer,
 				      (void *)(uintptr_t)(i - (test_cores / 2)),
 					enabled_core_ids[i]);
-	/* Wait for writers to complete */
+	/* Wait and check return value from writer threads */
 	for (i = test_cores / 2; i < test_cores;  i++)
-		rte_eal_wait_lcore(enabled_core_ids[i]);
+		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
+			goto error;
 
 	writer_done = 1;
-	/* Wait for readers to complete */
-	rte_eal_mp_wait_lcore();
 
-	/* Check return value from threads */
-	for (i = 0; i < test_cores; i++)
-		if (lcore_config[enabled_core_ids[i]].ret < 0)
+	/* Wait and check return value from reader threads */
+	for (i = 0; i < test_cores / 2; i++)
+		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 			goto error;
 
 	for (i = 0; i < num_cores / 4; i++)
@@ -935,7 +933,7 @@
 
 error:
 	writer_done = 1;
-	/* Wait until all readers have exited */
+	/* Wait until all readers and writers have exited */
 	rte_eal_mp_wait_lcore();
 
 	for (i = 0; i < num_cores / 4; i++)
diff --git a/app/test/test_rcu_qsbr_perf.c b/app/test/test_rcu_qsbr_perf.c
index 16a43f8..6b1912c 100644
--- a/app/test/test_rcu_qsbr_perf.c
+++ b/app/test/test_rcu_qsbr_perf.c
@@ -473,11 +473,9 @@
 
 	writer_done = 1;
 
-	/* Wait until all readers have exited */
-	rte_eal_mp_wait_lcore();
-	/* Check return value from threads */
+	/* Wait and check return value from reader threads */
 	for (i = 0; i < num_cores; i++)
-		if (lcore_config[enabled_core_ids[i]].ret < 0)
+		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 			goto error;
 	rte_hash_free(h[0]);
 	rte_free(keys);
@@ -587,11 +585,9 @@
 	rte_atomic64_add(&checks, i);
 
 	writer_done = 1;
-	/* Wait until all readers have exited */
-	rte_eal_mp_wait_lcore();
-	/* Check return value from threads */
+	/* Wait and check return value from reader threads */
 	for (i = 0; i < num_cores; i++)
-		if (lcore_config[enabled_core_ids[i]].ret < 0)
+		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 			goto error;
 	rte_hash_free(h[0]);
 	rte_free(keys);
-- 
1.8.3.1



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