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-rw-r--r--src/plugins/avf/input.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/src/plugins/avf/input.c b/src/plugins/avf/input.c
index 9d677ab96d5..4e4f116304d 100644
--- a/src/plugins/avf/input.c
+++ b/src/plugins/avf/input.c
@@ -383,20 +383,24 @@ no_more_desc:
while (n_trace && n_left)
{
- vlib_buffer_t *b;
- avf_input_trace_t *tr;
- b = vlib_get_buffer (vm, bi[0]);
- vlib_trace_buffer (vm, node, next_index, b, /* follow_chain */ 0);
- tr = vlib_add_trace (vm, node, b, sizeof (*tr));
- tr->next_index = next_index;
- tr->qid = qid;
- tr->hw_if_index = ad->hw_if_index;
- tr->qw1s[0] = ptd->qw1s[i];
- for (j = 1; j < AVF_RX_MAX_DESC_IN_CHAIN; j++)
- tr->qw1s[j] = ptd->tails[i].qw1s[j - 1];
+ vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]);
+ if (PREDICT_TRUE
+ (vlib_trace_buffer
+ (vm, node, next_index, b, /* follow_chain */ 0)))
+ {
+ avf_input_trace_t *tr =
+ vlib_add_trace (vm, node, b, sizeof (*tr));
+ tr->next_index = next_index;
+ tr->qid = qid;
+ tr->hw_if_index = ad->hw_if_index;
+ tr->qw1s[0] = ptd->qw1s[i];
+ for (j = 1; j < AVF_RX_MAX_DESC_IN_CHAIN; j++)
+ tr->qw1s[j] = ptd->tails[i].qw1s[j - 1];
+
+ n_trace--;
+ }
/* next */
- n_trace--;
n_left--;
bi++;
i++;