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From: Eric Dumazet <edumazet@google.com>
To: Coco Li <lixiaoyan@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
	Neal Cardwell <ncardwell@google.com>,
	 Mubashir Adnan Qureshi <mubashirq@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Andrew Lunn <andrew@lunn.ch>,
	 Jonathan Corbet <corbet@lwn.net>,
	David Ahern <dsahern@kernel.org>,
	 Daniel Borkmann <daniel@iogearbox.net>,
	netdev@vger.kernel.org, Chao Wu <wwchao@google.com>,
	 Wei Wang <weiwan@google.com>,
	Pradeep Nemavat <pnemavat@google.com>
Subject: Re: [PATCH v8 net-next 4/5] net-device: reorganize net_device fast path variables
Date: Thu, 30 Nov 2023 11:49:14 +0100	[thread overview]
Message-ID: <CANn89i+4o+V44oaXGCEfkVWBTCRzFFCEhvanG6DckVS10NSNjQ@mail.gmail.com> (raw)
In-Reply-To: <20231129072756.3684495-5-lixiaoyan@google.com>

On Wed, Nov 29, 2023 at 8:28 AM Coco Li <lixiaoyan@google.com> wrote:
>
> Reorganize fast path variables on tx-txrx-rx order
> Fastpath variables end after npinfo.
>
> Below data generated with pahole on x86 architecture.
>
> Fast path variables span cache lines before change: 12
> Fast path variables span cache lines after change: 4
>
> Suggested-by: Eric Dumazet <edumazet@google.com>
> Reviewed-by: David Ahern <dsahern@kernel.org>
> Signed-off-by: Coco Li <lixiaoyan@google.com>
> ---


Reviewed-by: Eric Dumazet <edumazet@google.com>

  reply	other threads:[~2023-11-30 10:49 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-29  7:27 [PATCH v8 net-next 0/5] Analyze and Reorganize core Networking Structs to optimize cacheline consumption Coco Li
2023-11-29  7:27 ` [PATCH v8 net-next 1/5] Documentations: Analyze heavily used Networking related structs Coco Li
2023-11-30 10:37   ` Eric Dumazet
2023-12-02 20:00   ` Shakeel Butt
2023-11-29  7:27 ` [PATCH v8 net-next 2/5] cache: enforce cache groups Coco Li
2023-11-30 10:40   ` Eric Dumazet
2023-12-02  4:20   ` Jakub Kicinski
2023-12-02 20:08   ` Shakeel Butt
2023-11-29  7:27 ` [PATCH v8 net-next 3/5] netns-ipv4: reorganize netns_ipv4 fast path variables Coco Li
2023-11-30 10:48   ` Eric Dumazet
2023-12-02 20:23   ` Shakeel Butt
2023-11-29  7:27 ` [PATCH v8 net-next 4/5] net-device: reorganize net_device " Coco Li
2023-11-30 10:49   ` Eric Dumazet [this message]
2023-12-02 20:28   ` Shakeel Butt
2023-11-29  7:27 ` [PATCH v8 net-next 5/5] tcp: reorganize tcp_sock " Coco Li
2023-11-30 10:52   ` Eric Dumazet
2023-12-02 20:31   ` Shakeel Butt
2023-12-02 20:34 ` [PATCH v8 net-next 0/5] Analyze and Reorganize core Networking Structs to optimize cacheline consumption Shakeel Butt
2023-12-02 22:30 ` patchwork-bot+netdevbpf
2023-12-02 22:36   ` Neal Cardwell
2023-12-04 19:06     ` Jakub Kicinski

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