netdev - Re: [PATCH iproute2-rc 2/8] rdma: Add "stat qp show" support

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Date:   Tue, 16 Jul 2019 12:01:28 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Leon Romanovsky <leonro@...lanox.com>,
        netdev <netdev@...r.kernel.org>, David Ahern <dsahern@...il.com>,
        Mark Zhang <markz@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH iproute2-rc 2/8] rdma: Add "stat qp show" support

On Wed, 10 Jul 2019 10:24:49 +0300
Leon Romanovsky <leon@...nel.org> wrote:

> From: Mark Zhang <markz@...lanox.com>
> 
> This patch presents link, id, task name, lqpn, as well as all sub
> counters of a QP counter.
> A QP counter is a dynamically allocated statistic counter that is
> bound with one or more QPs. It has several sub-counters, each is
> used for a different purpose.
> 
> Examples:
> $ rdma stat qp show
> link mlx5_2/1 cntn 5 pid 31609 comm client.1 rx_write_requests 0
> rx_read_requests 0 rx_atomic_requests 0 out_of_buffer 0 out_of_sequence 0
> duplicate_request 0 rnr_nak_retry_err 0 packet_seq_err 0
> implied_nak_seq_err 0 local_ack_timeout_err 0 resp_local_length_error 0
> resp_cqe_error 0 req_cqe_error 0 req_remote_invalid_request 0
> req_remote_access_errors 0 resp_remote_access_errors 0
> resp_cqe_flush_error 0 req_cqe_flush_error 0
>     LQPN: <178>
> $ rdma stat show link rocep1s0f5/1
> link rocep1s0f5/1 rx_write_requests 0 rx_read_requests 0 rx_atomic_requests 0 out_of_buffer 0 duplicate_request 0
> rnr_nak_retry_err 0 packet_seq_err 0 implied_nak_seq_err 0 local_ack_timeout_err 0 resp_local_length_error 0 resp_cqe_error 0
> req_cqe_error 0 req_remote_invalid_request 0 req_remote_access_errors 0 resp_remote_access_errors 0 resp_cqe_flush_error 0
> req_cqe_flush_error 0 rp_cnp_ignored 0 rp_cnp_handled 0 np_ecn_marked_roce_packets 0 np_cnp_sent 0
> $ rdma stat show link rocep1s0f5/1 -p
> link rocep1s0f5/1
>     rx_write_requests 0
>     rx_read_requests 0
>     rx_atomic_requests 0
>     out_of_buffer 0
>     duplicate_request 0
>     rnr_nak_retry_err 0
>     packet_seq_err 0
>     implied_nak_seq_err 0
>     local_ack_timeout_err 0
>     resp_local_length_error 0
>     resp_cqe_error 0
>     req_cqe_error 0
>     req_remote_invalid_request 0
>     req_remote_access_errors 0
>     resp_remote_access_errors 0
>     resp_cqe_flush_error 0
>     req_cqe_flush_error 0
>     rp_cnp_ignored 0
>     rp_cnp_handled 0
>     np_ecn_marked_roce_packets 0
>     np_cnp_sent 0
> 
> Signed-off-by: Mark Zhang <markz@...lanox.com>
> Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
> ---
>  rdma/Makefile |   2 +-
>  rdma/rdma.c   |   3 +-
>  rdma/rdma.h   |   1 +
>  rdma/stat.c   | 268 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  rdma/utils.c  |   7 ++
>  5 files changed, 279 insertions(+), 2 deletions(-)
>  create mode 100644 rdma/stat.c
> 

Headers have been merged, but this patch does not apply cleanly to current iproute2