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authorBenoît Ganne <bganne@cisco.com>2020-10-02 19:36:57 +0200
committerDave Barach <openvpp@barachs.net>2020-11-09 11:51:34 +0000
commit9a3973e3a36bfd4dd8dbffe130a92649fc1b73d3 (patch)
tree1ed9e9c7a3b13edd68f7e78d66dbb995cbe79a2a /src/vnet/unix
parentf6b02e0d0bfd7e0f1d79e8ee426f48ca37ae5ff3 (diff)
vlib: fix trace number accounting
When using classifier to filter traces, not all packets will be traced. In that case, we should only count traced packets. Type: fix Change-Id: I87d1e217b580ebff8c6ade7860eb43950420ae78 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/unix')
-rw-r--r--src/vnet/unix/tuntap.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/src/vnet/unix/tuntap.c b/src/vnet/unix/tuntap.c
index 72c4f73e6df..6834ee88c99 100644
--- a/src/vnet/unix/tuntap.c
+++ b/src/vnet/unix/tuntap.c
@@ -378,11 +378,9 @@ tuntap_rx (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
vlib_set_next_frame_buffer (vm, node, next_index, bi);
- if (n_trace > 0)
- {
- vlib_trace_buffer (vm, node, next_index, b, /* follow_chain */ 1);
- vlib_set_trace_count (vm, node, n_trace - 1);
- }
+ if (PREDICT_FALSE (n_trace > 0 && vlib_trace_buffer (vm, node, next_index, b, /* follow_chain */
+ 1)))
+ vlib_set_trace_count (vm, node, n_trace - 1);
}
return 1;