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From: Jakub Kicinski <kuba@kernel.org>
To: Yunsheng Lin <linyunsheng@huawei.com>
Cc: <davem@davemloft.net>, <alexander.duyck@gmail.com>,
<linux@armlinux.org.uk>, <mw@semihalf.com>,
<linuxarm@openeuler.org>, <yisen.zhuang@huawei.com>,
<salil.mehta@huawei.com>, <thomas.petazzoni@bootlin.com>,
<hawk@kernel.org>, <ilias.apalodimas@linaro.org>,
<ast@kernel.org>, <daniel@iogearbox.net>,
<john.fastabend@gmail.com>, <akpm@linux-foundation.org>,
<peterz@infradead.org>, <will@kernel.org>, <willy@infradead.org>,
<vbabka@suse.cz>, <fenghua.yu@intel.com>, <guro@fb.com>,
<peterx@redhat.com>, <feng.tang@intel.com>, <jgg@ziepe.ca>,
<mcroce@microsoft.com>, <hughd@google.com>,
<jonathan.lemon@gmail.com>, <alobakin@pm.me>,
<willemb@google.com>, <wenxu@ucloud.cn>,
<cong.wang@bytedance.com>, <haokexin@gmail.com>,
<nogikh@google.com>, <elver@google.com>, <yhs@fb.com>,
<kpsingh@kernel.org>, <andrii@kernel.org>, <kafai@fb.com>,
<songliubraving@fb.com>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <bpf@vger.kernel.org>,
<chenhao288@hisilicon.com>
Subject: Re: [PATCH net-next 4/4] net: hns3: support skb's frag page recycling based on page pool
Date: Thu, 5 Aug 2021 18:20:06 -0700 [thread overview]
Message-ID: <20210805182006.66133c8e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <1628161526-29076-5-git-send-email-linyunsheng@huawei.com>
On Thu, 5 Aug 2021 19:05:26 +0800 Yunsheng Lin wrote:
> This patch adds skb's frag page recycling support based on
> the frag page support in page pool.
>
> The performance improves above 10~20% for single thread iperf
> TCP flow with IOMMU disabled when iperf server and irq/NAPI
> have a different CPU.
>
> The performance improves about 135%(14Gbit to 33Gbit) for single
> thread iperf TCP flow IOMMU is in strict mode and iperf server
> shares the same cpu with irq/NAPI.
>
> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
This patch does not apply cleanly to net-next, please rebase
if you're targeting that tree.
next prev parent reply other threads:[~2021-08-06 1:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-05 11:05 [PATCH net-next 0/4] add frag page support in " Yunsheng Lin
2021-08-05 11:05 ` [PATCH net-next 1/4] page_pool: keep pp info as long as page pool owns the page Yunsheng Lin
2021-08-05 11:05 ` [PATCH net-next 2/4] page_pool: add interface to manipulate frag count in page pool Yunsheng Lin
2021-08-05 11:05 ` [PATCH net-next 3/4] page_pool: add frag page recycling support " Yunsheng Lin
2021-08-05 11:05 ` [PATCH net-next 4/4] net: hns3: support skb's frag page recycling based on " Yunsheng Lin
2021-08-06 1:20 ` Jakub Kicinski [this message]
2021-08-06 1:37 ` Yunsheng Lin
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