mbox

[v4,0/1] app/testpmd: add GPU memory option for mbuf pools

Message ID 20211117214923.15655-1-eagostini@nvidia.com (mailing list archive)
Headers

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Elena Agostini Nov. 17, 2021, 9:49 p.m. UTC 
  From: Elena Agostini <eagostini@nvidia.com>

This patch introduces GPU memory in testpmd through the gpudev library.
Testpmd can be used for network benchmarks when using GPU memory
instead of regular CPU memory to send and receive packets.
This option is currently limited to iofwd engine to ensure
no workload is applied on packets not accessible from the CPU.

The options chose is --mbuf-size so buffer split feature across
different mempools can be enabled.

Main reasons for this patch are:
- test memory features like external memory mempools and buffer split
- provide an upstream tool to test network metrics with GPU memory

Changelog:
- gpudev dependency is optional

Elena Agostini (1):
  app/testpmd: add GPU memory option for mbuf pools

 app/test-pmd/cmdline.c    |  36 +++++++-
 app/test-pmd/config.c     |   4 +-
 app/test-pmd/icmpecho.c   |   2 +-
 app/test-pmd/meson.build  |   3 +
 app/test-pmd/parameters.c |  15 +++-
 app/test-pmd/testpmd.c    | 182 +++++++++++++++++++++++++++++++++++---
 app/test-pmd/testpmd.h    |  18 +++-
 7 files changed, 240 insertions(+), 20 deletions(-)