- vlib_trace_buffer (vm, node, next, b0, /* follow_chain */ 0);
+ if (PREDICT_TRUE
+ (vlib_trace_buffer (vm, node, next, b0, /* follow_chain */ 0)))
+ {
+ dpdk_crypto_input_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ tr->dev_id = dev_id;
+ tr->next_index = next;
+ n_trace--;
+ }