From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1994CCA47F for ; Thu, 7 Jul 2022 14:40:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235938AbiGGOkS (ORCPT ); Thu, 7 Jul 2022 10:40:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235920AbiGGOkR (ORCPT ); Thu, 7 Jul 2022 10:40:17 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 734AC3137F; Thu, 7 Jul 2022 07:40:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 25F94B8223D; Thu, 7 Jul 2022 14:40:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id BBFB4C341C8; Thu, 7 Jul 2022 14:40:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657204813; bh=34u7DPSKmpE5fX07+/IcUMCSp/wl3YlsOsPTKAV+eWY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=psAHJ2oofxLByDMXZljGLCV7ngRX1rsHcz0fr3J2D8w5iH+i55aWTENQUvgEp1K49 faFDP5/Tg+ZnGlxT7T2WaTelM9qH1peEKRsEOYvB3Nq3OnyiJ2mnog/43rYpu55D5g m8O4CDmD9a6ZoVHgbz1zmxQ84usNm3i1vb8cvrdBtdhLgsbhMDZOJAbKhjxLZ7jLTH ZddWnXPk1nPScLeK39EXc5nM50taRQiDca3vTUj/s1aWDQBMoAsv/jLlc1pabvMUJC 4p2Pkk0TzhNJIwqfhf1ZPKJXFB+2RgNvzdTDsRzlofCinqISNVDqTeU3XUPJTjhloR zeHAFDh6cs/dg== 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 95B66E45BDA; Thu, 7 Jul 2022 14:40:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v4 bpf-next] selftests/bpf: Add benchmark for local_storage RCU Tasks Trace usage From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165720481360.13867.14770965317150614583.git-patchwork-notify@kernel.org> Date: Thu, 07 Jul 2022 14:40:13 +0000 References: <20220705190018.3239050-1-davemarchevsky@fb.com> In-Reply-To: <20220705190018.3239050-1-davemarchevsky@fb.com> To: Dave Marchevsky Cc: bpf@vger.kernel.org, rcu@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, paulmck@kernel.org, kafai@fb.com, edumazet@google.com, kernel-team@fb.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This patch was applied to bpf/bpf-next.git (master) by Daniel Borkmann : On Tue, 5 Jul 2022 12:00:18 -0700 you wrote: > This benchmark measures grace period latency and kthread cpu usage of > RCU Tasks Trace when many processes are creating/deleting BPF > local_storage. Intent here is to quantify improvement on these metrics > after Paul's recent RCU Tasks patches [0]. > > Specifically, fork 15k tasks which call a bpf prog that creates/destroys > task local_storage and sleep in a loop, resulting in many > call_rcu_tasks_trace calls. > > [...] Here is the summary with links: - [v4,bpf-next] selftests/bpf: Add benchmark for local_storage RCU Tasks Trace usage https://git.kernel.org/bpf/bpf-next/c/2b4b2621fd64 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html