From: patchwork-bot+netdevbpf@kernel.org
To: Menglong Dong <menglong8.dong@gmail.com>
Cc: michael.chan@broadcom.com, leon@kernel.org, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
imagedong@tencent.com, leonro@nvidia.com
Subject: Re: [PATCH net-next v2] bnxt_en: use dev_consume_skb_any() in bnxt_tx_int
Date: Wed, 12 Jul 2023 03:30:23 +0000 [thread overview]
Message-ID: <168913262370.27250.6393079802068929185.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230711110743.39067-1-imagedong@tencent.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 11 Jul 2023 19:07:43 +0800 you wrote:
> From: Menglong Dong <imagedong@tencent.com>
>
> In bnxt_tx_int(), the skb in the tx ring buffer will be freed after the
> transmission completes with dev_kfree_skb_any(), which will produce
> the noise on the tracepoint "skb:kfree_skb":
>
> $ perf script record -e skb:kfree_skb -a
> $ perf script
> swapper 0 [014] 12814.337522: skb:kfree_skb: skbaddr=0xffff88818f145ce0 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [003] 12814.338318: skb:kfree_skb: skbaddr=0xffff888108380600 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12814.375258: skb:kfree_skb: skbaddr=0xffff88818f147ce0 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12814.451960: skb:kfree_skb: skbaddr=0xffff88818f145ce0 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [008] 12814.562166: skb:kfree_skb: skbaddr=0xffff888112664600 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12814.732517: skb:kfree_skb: skbaddr=0xffff88818f145ce0 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12814.800608: skb:kfree_skb: skbaddr=0xffff88810025d100 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12814.861501: skb:kfree_skb: skbaddr=0xffff888108295a00 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12815.377038: skb:kfree_skb: skbaddr=0xffff88818f147ce0 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
> swapper 0 [014] 12815.395530: skb:kfree_skb: skbaddr=0xffff88818f145ee0 protocol=2048 location=dev_kfree_skb_any_reason+0x2e reason: NOT_SPECIFIED
>
> [...]
Here is the summary with links:
- [net-next,v2] bnxt_en: use dev_consume_skb_any() in bnxt_tx_int
https://git.kernel.org/netdev/net-next/c/47b7acfb016b
You are awesome, thank you!
--
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prev parent reply other threads:[~2023-07-12 3:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-11 11:07 [PATCH net-next v2] bnxt_en: use dev_consume_skb_any() in bnxt_tx_int menglong8.dong
2023-07-12 3:09 ` Jakub Kicinski
2023-07-12 5:48 ` Leon Romanovsky
2023-07-12 3:30 ` patchwork-bot+netdevbpf [this message]
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