X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_node.c;h=8a350d4549f4c827c282b35b2ec28fc282f533ae;hb=9a3973e3a36bfd4dd8dbffe130a92649fc1b73d3;hp=ec2f936ba60241acf30ab95673bc299e4146a1f7;hpb=f6b02e0d0bfd7e0f1d79e8ee426f48ca37ae5ff3;p=vpp.git

diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index ec2f936ba60..8a350d4549f 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -569,19 +569,23 @@ session_tx_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
 			u32 next_index, u32 * to_next, u16 n_segs,
 			session_t * s, u32 n_trace)
 {
-  session_queue_trace_t *t;
-  vlib_buffer_t *b;
-  int i;
-
-  for (i = 0; i < clib_min (n_trace, n_segs); i++)
+  while (n_trace && n_segs)
     {
-      b = vlib_get_buffer (vm, to_next[i]);
-      vlib_trace_buffer (vm, node, next_index, b, 1 /* follow_chain */ );
-      t = vlib_add_trace (vm, node, b, sizeof (*t));
-      t->session_index = s->session_index;
-      t->server_thread_index = s->thread_index;
+      vlib_buffer_t *b = vlib_get_buffer (vm, to_next[0]);
+      if (PREDICT_TRUE
+	  (vlib_trace_buffer
+	   (vm, node, next_index, b, 1 /* follow_chain */ )))
+	{
+	  session_queue_trace_t *t =
+	    vlib_add_trace (vm, node, b, sizeof (*t));
+	  t->session_index = s->session_index;
+	  t->server_thread_index = s->thread_index;
+	  n_trace--;
+	}
+      to_next++;
+      n_segs--;
     }
-  vlib_set_trace_count (vm, node, n_trace - i);
+  vlib_set_trace_count (vm, node, n_trace);
 }
 
 always_inline void