[dpdk-dev] [PATCH] examples/helloworld: add output of core id and socket id
Wei Dai
wei.dai at intel.com
Wed May 17 15:49:56 CEST 2017
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 at 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
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