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authorBenoît Ganne <bganne@cisco.com>2021-03-04 14:31:03 +0100
committerDamjan Marion <dmarion@me.com>2021-05-01 11:42:37 +0000
commitf89bbbe300dad7bc479db535e7822199f98aca30 (patch)
tree1163eeac010375a962fcda8c2e0c7a7046161bf1 /src/vnet/ip
parentc8983241b9d93d2c3b60b0705efbc3cdee54c534 (diff)
vlib: refactor trajectory trace debug feature
trajectory trace has been broken for a while because we used to save the buffer trajectory in a vector pointed to in opaque2. This does not work well when opaque2 is copied (eg. because of a clone) as 2 buffers end up sharing the same vector. This dedicates a full cacheline in the buffer metadata instead when trajectory is compiled in. No dynamic allocation, no sharing, no tears. Type: refactor Change-Id: I6a028ca1b48d38f393a36979e5e452c2dd48ad3f Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/ip')
-rw-r--r--src/vnet/ip/ip_frag.c1
-rw-r--r--src/vnet/ip/punt_node.c2
2 files changed, 0 insertions, 3 deletions
diff --git a/src/vnet/ip/ip_frag.c b/src/vnet/ip/ip_frag.c
index 33fbb9b2a9d..cafa9a66d6b 100644
--- a/src/vnet/ip/ip_frag.c
+++ b/src/vnet/ip/ip_frag.c
@@ -77,7 +77,6 @@ frag_buffer_alloc (vlib_buffer_t * org_b, u32 * bi)
return 0;
vlib_buffer_t *b = vlib_get_buffer (vm, *bi);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b);
vlib_buffer_copy_trace_flag (vm, org_b, *bi);
return b;
diff --git a/src/vnet/ip/punt_node.c b/src/vnet/ip/punt_node.c
index 90953e63704..7f9beef0ffe 100644
--- a/src/vnet/ip/punt_node.c
+++ b/src/vnet/ip/punt_node.c
@@ -546,8 +546,6 @@ punt_socket_rx_fd (vlib_main_t * vm, vlib_node_runtime_t * node, u32 fd)
b->flags = VNET_BUFFER_F_LOCALLY_ORIGINATED;
b->current_length = size - sizeof (packetdesc);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b);
-
switch (packetdesc.action)
{
case PUNT_L2: