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-rw-r--r--src/vlib/trace.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/vlib/trace.c b/src/vlib/trace.c
index 70621135c68..530598d349d 100644
--- a/src/vlib/trace.c
+++ b/src/vlib/trace.c
@@ -357,6 +357,7 @@ cli_add_trace_buffer (vlib_main_t * vm,
{
unformat_input_t _line_input, *line_input = &_line_input;
vlib_trace_main_t *tm;
+ vlib_node_t *node;
vlib_trace_node_t *tn;
u32 node_index, add;
u8 verbose = 0;
@@ -383,6 +384,17 @@ cli_add_trace_buffer (vlib_main_t * vm,
}
}
+ node = vlib_get_node (vm, node_index);
+
+ if ((node->flags & VLIB_NODE_FLAG_TRACE_SUPPORTED) == 0)
+ {
+ error = clib_error_create ("node '%U' doesn't support per-node "
+ "tracing. There may be another way to "
+ "initiate trace on this node.",
+ format_vlib_node_name, vm, node_index);
+ goto done;
+ }
+
/* *INDENT-OFF* */
foreach_vlib_main ((
{