From: patchwork-bot+netdevbpf@kernel.org
To: Ray Zhang <sgzhang@google.com>
Cc: netdev@vger.kernel.org, edumazet@kernel.org, kuniyu@google.com,
pabeni@redhat.com, willemb@google.com, davem@davemloft.net,
kuba@kernel.org, horms@kernel.org, decot@google.com,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net] net: count last skb of each sk_backlog pass in __release_sock()
Date: Thu, 05 Nov 2026 10:20:04 +0000 [thread overview]
Message-ID: <179387400456.3571518.633147613195063738.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261101075145.698399-1-sgzhang@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Sun, 1 Nov 2026 00:51:45 -0700 you wrote:
> Running 500 concurrent TCPv6 streams (neper "tcp_stream -6 -T 1 -F 500")
> on a 2-core Cortex-A53 (CONFIG_PREEMPT_NONE=y, HZ=1000, LATENCY_WARN)
> triggers resched_latency_warn() in __release_sock():
>
> [ 3655.311821] sched: CPU 0 need_resched set for > 100006892 ns (100 ticks) without schedule
> [ 3655.311889] Call trace:
> ...
> [ 3655.311944] resched_latency_warn+0x7c/0x88
> [ 3655.311958] sched_tick+0x1c0/0x418
> ...
> [ 3655.312578] net_rx_action+0x238/0x438
> ...
> [ 3655.312641] do_softirq+0x4c/0x90
> [ 3655.312651] __local_bh_enable_ip+0x84/0x90
> [ 3655.312663] local_bh_enable+0x1c/0x28
> [ 3655.312674] __dev_queue_xmit+0x4a8/0xb00
> ...
> [ 3655.312782] tcp_v6_do_rcv+0x240/0x5f8
> [ 3655.312793] __release_sock+0x9c/0x188
> [ 3655.312806] release_sock+0x150/0x168
> [ 3655.312817] tcp_sendmsg+0x4c/0x70
>
> [...]
Here is the summary with links:
- [net] net: count last skb of each sk_backlog pass in __release_sock()
https://git.kernel.org/netdev/net/c/c4e4056b2135
You are awesome, thank you!
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prev parent reply other threads:[~2026-11-05 10:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-01 7:51 Ray Zhang
2026-11-01 17:15 ` Kuniyuki Iwashima
2026-11-02 5:35 ` Ray Zhang
2026-11-02 8:15 ` Eric Dumazet
2026-11-05 10:20 ` patchwork-bot+netdevbpf [this message]
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