[EXT] [PATCH v10] app/dma-perf: introduce dma-perf application

[Anoob Joseph]

> There are many high-performance DMA devices supported in DPDK now,
> and these DMA devices can also be integrated into other modules of DPDK as
> accelerators, such as Vhost. Before integrating DMA into applications,
> developers need to know the performance of these DMA devices in various
> scenarios and the performance of CPUs in the same scenario, such as
> different buffer lengths. Only in this way can we know the target
> performance of the application accelerated by using them. This patch
> introduces a high-performance testing tool, which supports comparing the
> performance of CPU and DMA in different scenarios automatically with a pre-
> set config file. Memory Copy performance test are supported for now.
> 
> Signed-off-by: Cheng Jiang <cheng1.jiang at intel.com>
> Signed-off-by: Jiayu Hu <jiayu.hu at intel.com>
> Signed-off-by: Yuan Wang <yuanx.wang at intel.com>
> Acked-by: Morten Brørup <mb at smartsharesystems.com>
> Acked-by: Chenbo Xia <chenbo.xia at intel.com>
> ---
> v10:
>   rebased code from 23.07-rc2;
> v9:
>   improved error handling;
>   improved lcore_params structure;
>   improved mbuf api calling;
>   improved exit process;
>   fixed some typos;
>   added scenario summary data display;
>   removed unnecessary include;
> v8:
>   fixed string copy issue in parse_lcore();
>   improved some data display format;
>   added doc in doc/guides/tools;
>   updated release notes;
> v7:
>   fixed some strcpy issues;
>   removed cache setup in calling rte_pktmbuf_pool_create();
>   fixed some typos;
>   added some memory free and null set operations;
>   improved result calculation;
> v6:
>   improved code based on Anoob's comments;
>   fixed some code structure issues;
> v5:
>   fixed some LONG_LINE warnings;
> v4:
>   fixed inaccuracy of the memory footprint display;
> v3:
>   fixed some typos;
> v2:
>   added lcore/dmadev designation;
>   added error case process;
>   removed worker_threads parameter from config.ini;
>   improved the logs;
>   improved config file;
> 
>  app/meson.build                        |   1 +
>  app/test-dma-perf/benchmark.c          | 508 ++++++++++++++++++++
>  app/test-dma-perf/config.ini           |  61 +++
>  app/test-dma-perf/main.c               | 616 +++++++++++++++++++++++++
>  app/test-dma-perf/main.h               |  64 +++
>  app/test-dma-perf/meson.build          |  17 +
>  doc/guides/rel_notes/release_23_07.rst |   6 +
>  doc/guides/tools/dmaperf.rst           | 103 +++++
>  doc/guides/tools/index.rst             |   1 +
>  9 files changed, 1377 insertions(+)
>  create mode 100644 app/test-dma-perf/benchmark.c  create mode 100644
> app/test-dma-perf/config.ini  create mode 100644 app/test-dma-
> perf/main.c  create mode 100644 app/test-dma-perf/main.h  create mode
> 100644 app/test-dma-perf/meson.build  create mode 100644
> doc/guides/tools/dmaperf.rst
> 

Thanks Cheng for addressing all the comments.

Acked-by: Anoob Joseph <anoobj at marvell.com>
Tested-by: Anoob Joseph <anoobj at marvell.com>