From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793874006; b=IO+33+aFSKuVLUgnKx4W7TEyIBnUfA2yEBUe6W/uhyC9e4w3X1jDq1xe2FwR6xRpEJm+ CLpQcFamyL6Ez7tuhZHhBB55gI0rUc5f63IT4u4mXmWQWBpAyxngWJgohYX/ELiBn0wml BBTVX0UxA6McCeIPrgfjmL+GpgqUZ8xOPbXqE/a4vHSgqe6stqLMEc1YWVdxItnonvhCW K428KCaZNJmsFu4MIEXeZsaQ5IIPSdDEuMHP4iXAlymZDgNmr6vHr+bgw1jKiwrM003N1 MX7WIAzdXSHgkclE23Aaw6lhoxIBhP5sbCeRhWXD63F1s0KMJ2x0TBFGAVkH7JVi0pA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793874006; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=bHgUiRKVLZii57YQmx4ogKCKgX1QROM266kYzDsN21o=; b=VWlPlSMlUMEaYHs4+rs8GDKJlBJXiYkWiQGQwHB8DbDGmrY19j6mlCqNy3Gvrp+fsEyD C6N6DPRr4TWzMtBRo4idNq6E+vzFsyyUUaZO+1oUFQuPeUj52V9TIgqnPGYLbS9uhCh2T Dh7lDE+ogdCm9NMRFsttAfXMlJ94eEFEq0dlwP4Z08GkaGxgszzXs2IAZAMp+s1nytSK3 BT3+zbHr0JV6h9H26yyNBCTiFjcH1kHMD7fJEiVbH68AwZSj+HyZrUuAM3nb34uk5/xy2 hGyhQvPDXE4aFUZ5yIfxeEQ7QfNYi3Dmx74E9EWm0/3Mpjox8qcYkkp5oorUUaZY+4w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=JEjxd3iC; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16397606A326; Thu, 5 Nov 2026 10:20:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=JEjxd3iC Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4D791F00A1A; Thu, 5 Nov 2026 10:20:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793874005; bh=bHgUiRKVLZii57YQmx4ogKCKgX1QROM266kYzDsN21o=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=JEjxd3iCUhF+b13I/rUIfrZxqJJ7yMQOPr1gvRxNmhTaCyg14ABIYnJu88h3cN7OB 0SW0y8GHNH7gF24KNGdq8mlKko3POwL2QzrT2zcSquYxgryQQeKm9kttEb5pKL7NlL WqnCAuXpUWz7drd1OqAN/TyJYDlhhtgGN7r/f8SIPkJ3E6aTf+2P98tuLru29EnnQm YQIt3IcatGuTxMifntAJlhs+A+4ABsLJ13MLjywy09tEVFtTxaj3j964wqOjrCP0VD RbL0LotP4I7SAtA/fAMIjgjd37N6rpo6dTm/dF0lZ1nLxL7x179QQ9n44VdOwx8D1h jwtb3jgH8CeJw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id BA285391AFB3; Thu, 5 Nov 2026 10:20:05 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: count last skb of each sk_backlog pass in __release_sock() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179387400456.3571518.633147613195063738.git-patchwork-notify@kernel.org> Date: Thu, 05 Nov 2026 10:20:04 +0000 References: <20261101075145.698399-1-sgzhang@google.com> In-Reply-To: <20261101075145.698399-1-sgzhang@google.com> To: Ray Zhang 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 Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : 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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html