linux-kernel - Re: [PATCH net-next v3] net: page_pool: optimize page pool page allocation in NUMA scenario

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Message-Id: <165723903188.3388.12895024005964684911.git-patchwork-notify@kernel.org>
Date:   Fri, 08 Jul 2022 00:10:31 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Guangbin Huang <huangguangbin2@...wei.com>
Cc:     jbrouer@...hat.com, hawk@...nel.org, brouer@...hat.com,
        ilias.apalodimas@...aro.org, davem@...emloft.net, kuba@...nel.org,
        edumazet@...gle.com, pabeni@...hat.com, lorenzo@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, lipeng321@...wei.com, chenhao288@...ilicon.com
Subject: Re: [PATCH net-next v3] net: page_pool: optimize page pool page
 allocation in NUMA scenario

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 5 Jul 2022 19:35:15 +0800 you wrote:
> From: Jie Wang <wangjie125@...wei.com>
> 
> Currently NIC packet receiving performance based on page pool deteriorates
> occasionally. To analysis the causes of this problem page allocation stats
> are collected. Here are the stats when NIC rx performance deteriorates:
> 
> bandwidth(Gbits/s)		16.8		6.91
> rx_pp_alloc_fast		13794308	21141869
> rx_pp_alloc_slow		108625		166481
> rx_pp_alloc_slow_h		0		0
> rx_pp_alloc_empty		8192		8192
> rx_pp_alloc_refill		0		0
> rx_pp_alloc_waive		100433		158289
> rx_pp_recycle_cached		0		0
> rx_pp_recycle_cache_full	0		0
> rx_pp_recycle_ring		362400		420281
> rx_pp_recycle_ring_full		6064893		9709724
> rx_pp_recycle_released_ref	0		0
> 
> [...]

Here is the summary with links:
  - [net-next,v3] net: page_pool: optimize page pool page allocation in NUMA scenario
    https://git.kernel.org/netdev/net-next/c/d810d367ec40

You are awesome, thank you!
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