Hi,

We have a custom graph node that receives packets from udp graph node and we 
would like to trace packets pertaining to a specific 5-tuple flow from our 
custom graph node point onwards.

Does following steps really possible to achieve for this functionality ?
1. Make the custom-graph node to enable tracing by usingĀ 
VLIB_BUFFER_TRACE_TRAJECTORY_INIT
2. add CLI option to give the 5-tuple data
3. Based on the give 5-tuple data, store this in the custom graph node
4. compare the packet with the 5-tuple data, and mark the buffer to be traced.
5. now onwards , all the other graph nodes will trace it.

Also, what % of impact on the data throughput with VPP tracing ?

--
Thanks & Regards,
Murthy
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