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Tsirkin" To: Yunsheng Lin Cc: davem@davemloft.net, kuba@kernel.org, jasowang@redhat.com, brouer@redhat.com, paulmck@kernel.org, peterz@infradead.org, will@kernel.org, shuah@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linuxarm@openeuler.org Subject: Re: [PATCH net-next v2 0/2] add benchmark selftest and optimization for ptr_ring Message-ID: <20210625024131-mutt-send-email-mst@kernel.org> References: <1624591136-6647-1-git-send-email-linyunsheng@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1624591136-6647-1-git-send-email-linyunsheng@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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