Re: [PATCH net-next v2 0/2] add benchmark selftest and optimization for ptr_ring
From: Michael S. Tsirkin
Date: Fri Jun 25 2021 - 02:42:47 EST
On Fri, Jun 25, 2021 at 11:18:54AM +0800, Yunsheng Lin wrote:
> Patch 1: add a selftest app to benchmark the performance
> of ptr_ring.
> Patch 2: make __ptr_ring_empty() checking more reliable
> and use the just added selftest to benchmark the
> performance impact.
>
> V2: add patch 1 and add performance data for patch 2.
Thanks for the patches!
There are some things to improve there - I sent comments
in response to invididual patches.
> Yunsheng Lin (2):
> selftests/ptr_ring: add benchmark application for ptr_ring
> ptr_ring: make __ptr_ring_empty() checking more reliable
>
> MAINTAINERS | 5 +
> include/linux/ptr_ring.h | 25 ++-
> tools/testing/selftests/ptr_ring/Makefile | 6 +
> tools/testing/selftests/ptr_ring/ptr_ring_test.c | 249 +++++++++++++++++++++++
> tools/testing/selftests/ptr_ring/ptr_ring_test.h | 150 ++++++++++++++
> 5 files changed, 426 insertions(+), 9 deletions(-)
> create mode 100644 tools/testing/selftests/ptr_ring/Makefile
> create mode 100644 tools/testing/selftests/ptr_ring/ptr_ring_test.c
> create mode 100644 tools/testing/selftests/ptr_ring/ptr_ring_test.h
>
> --
> 2.7.4