Re: [RFC v3] app/dma-perf: introduce dma-perf application

[David Marchand <david.marchand@redhat.com>]

On Tue, Oct 18, 2022 at 9:22 AM Cheng Jiang <cheng1.jiang@intel.com> wrote:
>
> 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@intel.com>
> Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
> Signed-off-by: Yuan Wang <yuanx.wang@intel.com>
> Acked-by: Morten Brørup <mb@smartsharesystems.com>
> ---
> v3: improved nr_buf calculation and added support for getting subprocess exit status
> v2: fixed some CI issues.

There is still at least one build issue.


-- 
David Marchand