Add counter for the number of barrier syncs performed.

Change-Id: I42b26c8f95c17577006f13e3419b8ccc9ef7c4f3
Signed-off-by: Todd Foggoa <[email protected]>

diff --git a/vlib/vlib/threads.c b/vlib/vlib/threads.c
index 970e4a5..a69e455 100644 (file)
--- a/vlib/vlib/threads.c
+++ b/vlib/vlib/threads.c
@@ -1083,6 +1083,8 @@ void vlib_worker_thread_barrier_sync(vlib_main_t *vm)
   if (++vlib_worker_threads[0].recursion_level > 1)
       return;
 
+  vlib_worker_threads[0].barrier_sync_count++;
+
   ASSERT (os_get_cpu_number() == 0);
 
   deadline = vlib_time_now (vm) + BARRIER_SYNC_TIMEOUT;

diff --git a/vlib/vlib/threads.h b/vlib/vlib/threads.h
index 6c16878..5773ed0 100644 (file)
--- a/vlib/vlib/threads.h
+++ b/vlib/vlib/threads.h
@@ -93,6 +93,7 @@ typedef struct {
   u32 instance_id;
   vlib_thread_registration_t *registration;
   u8 *name;
+  u64 barrier_sync_count;
 
   long lwp;
   int dpdk_lcore_id;