Ralph Campbell wrote:
There is no generic counter you can query to find the number
of RNR retires. The best you can do is set the IBV_QP_RNR_RETRY
parameter to zero and see if you get any IBV_WC_RNR_RETRY_EXC_ERR
error completions.
Applicatively, if you are using the RDMA-CM, what Ralph suggests is to
set the rnr_retry_count conn param field when calling rdam_connnect/accept
Or.
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