RE: [PATCH v1] dmadev: add telemetry support

["Pai G, Sunil" <sunil.pai.g@intel.com>]

> -----Original Message-----
> From: Sean Morrissey <sean.morrissey@intel.com>
> Sent: Wednesday, March 23, 2022 10:19 PM
> To: Chengwen Feng <fengchengwen@huawei.com>; Laatz, Kevin
> <kevin.laatz@intel.com>; Richardson, Bruce <bruce.richardson@intel.com>
> Cc: dev@dpdk.org; Morrissey, Sean <sean.morrissey@intel.com>
> Subject: [PATCH v1] dmadev: add telemetry support
> 
> Telemetry commands are now registered through the dmadev library for the
> gathering of DSA stats. The corresponding callback functions for listing
> dmadevs and providing info and stats for a specific dmadev are implemented
> in the dmadev library.
> 
> An example usage can be seen below:
> 
> Connecting to /var/run/dpdk/rte/dpdk_telemetry.v2
> {"version": "DPDK 22.03.0-rc2", "pid": 2956551, "max_output_len": 16384}
> Connected to application: "dpdk-dma"
> --> /
> {"/": ["/", "/dmadev/info", "/dmadev/list", "/dmadev/stats", ...]}
> --> /dmadev/list
> {"/dmadev/list": [0, 1]}
> --> /dmadev/info,0
> {"/dmadev/info": {"name": "0000:00:01.0", "nb_vchans": 1, "numa_node": 0}}
> --> /dmadev/stats,0,0
> {"/dmadev/stats": {"submitted": 0, "completed": 0, "errors": 0}}
> 
> Signed-off-by: Sean Morrissey <sean.morrissey@intel.com>
> ---
>  doc/guides/prog_guide/dmadev.rst       |  24 ++++++
>  doc/guides/rel_notes/release_22_07.rst |   4 +
>  lib/dmadev/meson.build                 |   2 +
>  lib/dmadev/rte_dmadev.c                | 105 +++++++++++++++++++++++++
>  4 files changed, 135 insertions(+)
> 

Thanks for adding the telemetry support.

Tested-by: Sunil Pai G <sunil.pai.g@intel.com> 

Regards,
Sunil