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 X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD7D4C3F68F for ; Tue, 14 Jan 2020 02:15:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AAA23214AF for ; Tue, 14 Jan 2020 02:15:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VMLRRGFD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729577AbgANCPE (ORCPT ); Mon, 13 Jan 2020 21:15:04 -0500 Received: from mail-pj1-f65.google.com ([209.85.216.65]:37636 "EHLO mail-pj1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729563AbgANCPE (ORCPT ); Mon, 13 Jan 2020 21:15:04 -0500 Received: by mail-pj1-f65.google.com with SMTP id m13so5134888pjb.2; Mon, 13 Jan 2020 18:15:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=nwClbXvQxL25tRyFJwdIBDnN18Dn8tE4n3efxkgHgyg=; b=VMLRRGFDre2eLfMT8IOqjnbZucEej3hPPdEiSa7aWD3fRktzw6CU3bT/EUFyrifs9u A3xJ9OOmlbT/p0XT7+vccNrORnKUxWs1c0HWT7mETAPmNtdODZVZoto40oQNJ1AnLATG bIM/FIbvIlSGa1Wa2HUlQxnL7vwI1MvZgLsCLK6BoRZAZd8cw/EAV8B3V/CapRaMMkFR aAyTRAsmwW15f7aEGCdE8T7D/oTK3XgXvDMsth87k5R8bKvJyIAptI02+SG0xYRfzA3x G3ulduTXkgYCQDstSUb20fMiMjBHpc9MqgvzrfWHN8BzdTVkCI48H8G/gLO7WPh9+KMO hPTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=nwClbXvQxL25tRyFJwdIBDnN18Dn8tE4n3efxkgHgyg=; b=VMJULgw7zRLc6o5Y1T4fxpknFY7FV3fpKynhAaHe/sHDUYC4zQcpjhALs2mJwp9/Vx 5QQlBOa321Gz18CXioAelmgH4S0J7rqfcpVAtpLm+eJsFtKn8YgBYaOM5P1dzrRgL1Re HyvvJGmB0GBppmr6bEMaX0jKd0qd6ekkZS4dR8ySVB9OzWOpQNQ/UJndJyZgASk3RtCi 8Kz6thLrQBVssWARtloI9ldSkKUB2egvnB5uKQtr7qhl2SDMFXbWbpMNQBGv9U71lRPj 8QaB19Be2yPa2fI7JE1k+oFYJeUKbQwL5ZGUT/X3pfNRbLXuyrR2rlwA5QRp0C0KTxX6 vwDw== X-Gm-Message-State: APjAAAUxn9+vUQDmdLkVasUIzOdbzUYxIhkTWOtDjdQLkAPo9txaxEoH AMDEYPrA+6Faugo4psO43e4= X-Google-Smtp-Source: APXvYqzC1xVqj5oysP73wb0uwn9HCSlLIwzu/O5Clef1kdWahR3nVugRYSIika83Q2HUDmUc46ziDw== X-Received: by 2002:a17:90a:da03:: with SMTP id e3mr12853498pjv.100.1578968103134; Mon, 13 Jan 2020 18:15:03 -0800 (PST) Received: from ast-mbp.dhcp.thefacebook.com ([2620:10d:c090:180::4db3]) by smtp.gmail.com with ESMTPSA id t23sm15975406pfq.106.2020.01.13.18.15.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Jan 2020 18:15:02 -0800 (PST) Date: Mon, 13 Jan 2020 18:15:00 -0800 From: Alexei Starovoitov To: Andrii Nakryiko Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, ast@fb.com, daniel@iogearbox.net, andrii.nakryiko@gmail.com, kernel-team@fb.com Subject: Re: [PATCH v2 bpf-next 0/6] Implement runqslower BCC tool with BPF CO-RE Message-ID: <20200114021459.jjw27v7fdt4f7aza@ast-mbp.dhcp.thefacebook.com> References: <20200113073143.1779940-1-andriin@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200113073143.1779940-1-andriin@fb.com> User-Agent: NeoMutt/20180223 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, Jan 12, 2020 at 11:31:37PM -0800, Andrii Nakryiko wrote: > Based on recent BPF CO-RE, tp_btf, and BPF skeleton changes, re-implement > BCC-based runqslower tool as a portable pre-compiled BPF CO-RE-based tool. Looks great. Built it on one kernel and tested on another. CO-RE works :) Hopefully more tools will be written this way. Applied. Thanks.