> From: Cheng Jiang [mailto:cheng1.ji...@intel.com] > Sent: Thursday, 15 September 2022 17.48 > > 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.ji...@intel.com> > Signed-off-by: Jiayu Hu <jiayu...@intel.com> > Signed-off-by: Yuan Wang <yuanx.w...@intel.com> > --- > app/meson.build | 1 + > app/test-dma-perf/benchmark.c | 537 ++++++++++++++++++++++++++++++++++ > app/test-dma-perf/benchmark.h | 12 + > app/test-dma-perf/config.ini | 61 ++++ > app/test-dma-perf/main.c | 399 +++++++++++++++++++++++++ > app/test-dma-perf/main.h | 55 ++++ > app/test-dma-perf/meson.build | 16 + > 7 files changed, 1081 insertions(+) > create mode 100644 app/test-dma-perf/benchmark.c > create mode 100644 app/test-dma-perf/benchmark.h > 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 >
Excellent, thank you! Is there any reason for making this a separate application, instead of part of the /app/test/ application? NB: Someone could have asked the same question about test-compress-dev and similar applications... ;-) Acked-by: Morten Brørup <m...@smartsharesystems.com>
