DPDK patches and discussions
 help / color / mirror / Atom feed
* [dpdk-dev] [PATCH] examples/helloworld: add output of core id and socket id
@ 2017-05-17 13:49 Wei Dai
  2017-05-17 14:16 ` Ferruh Yigit
  0 siblings, 1 reply; 4+ messages in thread
From: Wei Dai @ 2017-05-17 13:49 UTC (permalink / raw)
  To: bruce.richardson, john.mcnamara; +Cc: dev, Wei Dai

Adding output of core id and socket id of each lcore/pthread
can help to understand their relationship.
And this can also help to examine the usage of the EAL lcore
settings like -c, -l and --lcore .

Signed-off-by: Wei Dai <wei.dai@intel.com>
---
 examples/helloworld/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/helloworld/main.c b/examples/helloworld/main.c
index 8b7a2de..fdd8818 100644
--- a/examples/helloworld/main.c
+++ b/examples/helloworld/main.c
@@ -50,7 +50,9 @@ lcore_hello(__attribute__((unused)) void *arg)
 {
 	unsigned lcore_id;
 	lcore_id = rte_lcore_id();
-	printf("hello from core %u\n", lcore_id);
+	printf("hello from core %2u at core_id = %2u on socket_id = %2u\n",
+		lcore_id, lcore_config[lcore_id].core_id,
+		lcore_config[lcore_id].socket_id);
 	return 0;
 }
 
-- 
2.7.4

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-05-17 14:30 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-05-17 13:49 [dpdk-dev] [PATCH] examples/helloworld: add output of core id and socket id Wei Dai
2017-05-17 14:16 ` Ferruh Yigit
2017-05-17 14:29   ` Dai, Wei
2017-05-17 14:29     ` Ferruh Yigit

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).