[dpdk-dev] [PATCH 5/7] examples/performance-thread: support set thread name

Min Hu (Connor) humin29 at huawei.com
Sat Apr 10 12:40:19 CEST 2021


From: Chengwen Feng <fengchengwen at huawei.com>

This patch supports set helloworld thread name which is helpful for
debugging.

Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
 examples/performance-thread/pthread_shim/main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/examples/performance-thread/pthread_shim/main.c b/examples/performance-thread/pthread_shim/main.c
index 23e3b5e..4ce3622 100644
--- a/examples/performance-thread/pthread_shim/main.c
+++ b/examples/performance-thread/pthread_shim/main.c
@@ -27,6 +27,7 @@
 
 #define DEBUG_APP 0
 #define HELLOW_WORLD_MAX_LTHREADS 10
+#define THREAD_NAME_LEN	16
 
 #ifndef __GLIBC__ /* sched_getcpu() is glibc-specific */
 #define sched_getcpu() rte_lcore_id()
@@ -149,6 +150,7 @@ static void *initial_lthread(void *args __rte_unused)
 		 */
 		pthread_attr_t attr;
 		rte_cpuset_t cpuset;
+		char name[THREAD_NAME_LEN];
 
 		CPU_ZERO(&cpuset);
 		CPU_SET(lcore, &cpuset);
@@ -160,6 +162,9 @@ static void *initial_lthread(void *args __rte_unused)
 				helloworld_pthread, (void *) i);
 		if (ret != 0)
 			rte_exit(EXIT_FAILURE, "Cannot create helloworld thread\n");
+
+		snprintf(name, sizeof(name), "helloworld-%u", (uint32_t)i);
+		rte_thread_setname(tid[i], name);
 	}
 
 	/* wait for 1s to allow threads
-- 
2.7.4



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