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