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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/session
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/session')
-rw-r--r--src/vnet/session/session_node.c26
1 files changed, 15 insertions, 11 deletions
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