Sometimes OS tries to switch the core. So, bind the lcore thread
to a fixed core.
Implement affinity call on Windows similar to Linux.
Signed-off-by: Qiao Liu <qiao....@intel.com>
Signed-off-by: Pallavi Kadam <pallavi.ka...@intel.com>
---
lib/eal/windows/eal.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/eal/windows/eal.c b/lib/eal/windows/eal.c
index 67db7f099a..ca3c41aaa7 100644
--- a/lib/eal/windows/eal.c
+++ b/lib/eal/windows/eal.c
@@ -422,6 +422,10 @@ rte_eal_init(int argc, char **argv)
/* create a thread for each lcore */
if (eal_thread_create(&lcore_config[i].thread_id) != 0)
rte_panic("Cannot create thread\n");
+ ret = pthread_setaffinity_np(lcore_config[i].thread_id,
+ sizeof(rte_cpuset_t), &lcore_config[i].cpuset);
+ if (ret != 0)
+ RTE_LOG(DEBUG, EAL, "Cannot set affinity\n");
}
/* Initialize services so drivers can register services during probe. */
--
2.31.1.windows.1
