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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 CF432C28CC0 for ; Thu, 30 May 2019 14:05:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9EA4B25A13 for ; Thu, 30 May 2019 14:05:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="E9Bzcez5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726851AbfE3OFW (ORCPT ); Thu, 30 May 2019 10:05:22 -0400 Received: from mail-oi1-f173.google.com ([209.85.167.173]:38372 "EHLO mail-oi1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726232AbfE3OFW (ORCPT ); Thu, 30 May 2019 10:05:22 -0400 Received: by mail-oi1-f173.google.com with SMTP id 18so4228502oij.5 for ; Thu, 30 May 2019 07:05:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=yfJhpIBmP3V4Tl4EX4Jelv6NLwOKkheXMCrhBu7VOTA=; b=E9Bzcez5oSqTtC7TKP5JPoELL7dyh8FUmPIOPzDW8RV3k5XvIAC6rM31/cespOXyGb hXa/8bLhBWz1AyEo75KfwJqvjVhPQrFDFTv0SsGTv2EDEcjYYQF2p9UQiKsz1geRQdul /TGKLyRIa82C0QQYCg6LjbxqnmnGsA4ngxpCMyZKYJashrE3KQAPYgDco/hHhu7lg7Eo +KEebgNnogx3zjh9b+DAzaYaqJ/toha57F3CmU0ZhlSsXC+MLPvYcADNTRxjH5W5y3be NKVRmLUaehdG8mmCmt5zePATsfWjGX1e/yitfjFpoPlYEjPFbSXdynrjoNggUTXgBxyW mjQg== 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=yfJhpIBmP3V4Tl4EX4Jelv6NLwOKkheXMCrhBu7VOTA=; b=nTFj1PpvDq/Bun5GaIi1wWjSwUGh/tVqHWDQWLehb2ZAk/7j5SCFtS+MyLXmJKeY/R Rbq50oeydFx6KhB24a16SaDvVuZUhIT3NPr7WgIvsFgGL9pj2dWzngmGJSMDN6BkvUgz sHjCCGcHSuG6aOAQI3tMxFq2xVf32eLDv/zohulG2icjNICfcf+Ju5QHkrmjgrAvXHV3 LO5LHH6/3SJo6yLOp+mBTdRdKamoA53YMAmUVdyL/Rl7da64UKjBTl8aRFBTiWlV69JX VAfCgAiEhWjwff7QwSYBVtNX8oThy3b0iUOQ69CyEyEsHlX0jAf3Ys923TWIc8UTEPQa uB5g== X-Gm-Message-State: APjAAAVCijk1DsmLKlgTWr6vgxSVojnRiwlwa1tqYaZNADuZTB4Ffqlz 8McoRQTUHsJtiUFF/u8misakMRhL9hdo7g== X-Google-Smtp-Source: APXvYqwmvR5hxpjuV+RiVqLPUL3Gx2r1d/6z/vzZcYn2Ai2TwWjNMS5d95KkUrbqBq2Pf4c35+WgPA== X-Received: by 2002:aca:1c0c:: with SMTP id c12mr2438865oic.7.1559225121406; Thu, 30 May 2019 07:05:21 -0700 (PDT) Received: from leoy-ThinkPad-X240s (li808-42.members.linode.com. [104.237.132.42]) by smtp.gmail.com with ESMTPSA id j8sm979339otl.54.2019.05.30.07.05.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 30 May 2019 07:05:20 -0700 (PDT) Date: Thu, 30 May 2019 22:05:10 +0800 From: Leo Yan To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Jiri Olsa , Jesper Dangaard Brouer , Alexei Starovoitov , Daniel Borkmann , lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Stanislav Fomichev , Song Liu , Adrian Hunter , Andi Kleen Subject: Re: [PATCHv3 00/12] perf tools: Display eBPF code in intel_pt trace Message-ID: <20190530140510.GD5927@leoy-ThinkPad-X240s> References: <20190508132010.14512-1-jolsa@kernel.org> <20190530105439.GA5927@leoy-ThinkPad-X240s> <20190530120709.GA3669@krava> <20190530125709.GB5927@leoy-ThinkPad-X240s> <20190530133645.GC21962@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190530133645.GC21962@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Arnaldo, On Thu, May 30, 2019 at 10:36:45AM -0300, Arnaldo Carvalho de Melo wrote: [...] > One other way of testing this: > > I used perf trace's use of BPF, using: > > [root@quaco ~]# cat ~/.perfconfig > [llvm] > dump-obj = true > clang-opt = -g > [trace] > add_events = /home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.c > show_zeros = yes > show_duration = no > no_inherit = yes > show_timestamp = no > show_arg_names = no > args_alignment = 40 > show_prefix = yes > > For arm64 this needs fixing, tools/perf/examples/bpf/augmented_raw_syscalls.c > (its in the kernel sources) is still hard coded for x86_64 syscall numbers :-\ Thanks a lot for sharing this, I will test with this method and let you and Jiri know the result in tomorrow. [...] Thanks, Leo Yan