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From: patchwork-bot+netdevbpf@kernel.org
To: Leesoo Ahn <lsahn@ooseel.net>
Cc: oneukum@suse.com, davem@davemloft.net, kuba@kernel.org,
	netdev@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v4] usbnet: optimize usbnet_bh() to reduce CPU load
Date: Mon, 09 Jan 2023 07:30:17 +0000	[thread overview]
Message-ID: <167324941700.24554.6732820998527805542.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230106104950.22741-1-lsahn@ooseel.net>

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Fri,  6 Jan 2023 19:49:49 +0900 you wrote:
> The current source pushes skb into dev-done queue by calling
> skb_dequeue_tail() and then pop it by skb_dequeue() to branch to
> rx_cleanup state for freeing urb/skb in usbnet_bh(). It takes extra CPU
> load, 2.21% (skb_queue_tail) as follows,
> 
> -   11.58%     0.26%  swapper          [k] usbnet_bh
>    - 11.32% usbnet_bh
>       - 6.43% skb_dequeue
>            6.34% _raw_spin_unlock_irqrestore
>       - 2.21% skb_queue_tail
>            2.19% _raw_spin_unlock_irqrestore
>       - 1.68% consume_skb
>          - 0.97% kfree_skbmem
>               0.80% kmem_cache_free
>            0.53% skb_release_data
> 
> [...]

Here is the summary with links:
  - [net-next,v4] usbnet: optimize usbnet_bh() to reduce CPU load
    https://git.kernel.org/netdev/net-next/c/fb59bf28cd63

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      reply	other threads:[~2023-01-09  7:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-06 10:49 Leesoo Ahn
2023-01-09  7:30 ` patchwork-bot+netdevbpf [this message]

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