From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9355133FD for ; Sat, 17 Jun 2023 07:10:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 545B0C433C9; Sat, 17 Jun 2023 07:10:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686985820; bh=47GE8wCvogiXyLOcRpEnqpOy95mo8ka72n2fr5EuJbk=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=dqE8ODZwZrTHfNVIxaduWnMfYYP87dWzM14XdosDC+2DQNl69Z7Pq1JchqM3Btdz1 AjVhhVHrm5M8NsBxdvATanJsAqx0eVkbMTUN7JAKVy+aag3AcoWxFLTH0YiMiwQKqX LGKvo96A+kVyKcwjEJKVIpR/ZZMdzolRejL5RirgVi7rZ/gULDp+bhPgV3xIuvL3HI KkSyGWwnq/6DmSGuN/ernmHWPXyd+Qt7ozSEkU8czJ8EVFkrQjb9KwkSMBnTzFdY6j lsvGZBoW/mpP044YI/Tc9ziiWplyo2Uggl7USP7ijfso2sWBHEqWfqZuIVWwyPsvAX Yyl2MMSVOLHpw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 3A518C1614E; Sat, 17 Jun 2023 07:10:20 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v2 net] sfc: use budget for TX completions From: patchwork-bot+netdevbpf@kernel.org Message-Id: <168698582023.12434.97365026241366224.git-patchwork-notify@kernel.org> Date: Sat, 17 Jun 2023 07:10:20 +0000 References: <20230615084929.10506-1-ihuguet@redhat.com> In-Reply-To: <20230615084929.10506-1-ihuguet@redhat.com> To: =?utf-8?b?w43DsWlnbyBIdWd1ZXQgPGlodWd1ZXRAcmVkaGF0LmNvbT4=?=@ci.codeaurora.org Cc: ecree.xilinx@gmail.com, habetsm.xilinx@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-net-drivers@amd.com, bkenward@solarflare.com, feliu@redhat.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 15 Jun 2023 10:49:29 +0200 you wrote: > When running workloads heavy unbalanced towards TX (high TX, low RX > traffic), sfc driver can retain the CPU during too long times. Although > in many cases this is not enough to be visible, it can affect > performance and system responsiveness. > > A way to reproduce it is to use a debug kernel and run some parallel > netperf TX tests. In some systems, this will lead to this message being > logged: > kernel:watchdog: BUG: soft lockup - CPU#12 stuck for 22s! > > [...] Here is the summary with links: - [v2,net] sfc: use budget for TX completions https://git.kernel.org/netdev/net/c/4aaf2c52834b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html