From: Bud Grise <griseb@cisco.com>
Date: Wed, 16 Mar 2016 17:09:46 +0000 (-0400)
Subject: Add counter for the number of barrier syncs performed.
X-Git-Tag: v16.06-rc1~169
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=42f2006975c5a0ea58c835df4461213072f8813f;p=vpp.git

Add counter for the number of barrier syncs performed.

Change-Id: I42b26c8f95c17577006f13e3419b8ccc9ef7c4f3
Signed-off-by: Todd Foggoa <tfoggoa@cisco.com>
---

diff --git a/vlib/vlib/threads.c b/vlib/vlib/threads.c
index 970e4a55b34..a69e4555af0 100644
--- 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 6c16878a5b5..5773ed05a62 100644
--- 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;