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 E260EC432C0 for ; Sat, 23 Nov 2019 04:09:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B1C1620700 for ; Sat, 23 Nov 2019 04:09:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bHQSXAf1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726765AbfKWEJN (ORCPT ); Fri, 22 Nov 2019 23:09:13 -0500 Received: from mail-pj1-f65.google.com ([209.85.216.65]:32842 "EHLO mail-pj1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726085AbfKWEJN (ORCPT ); Fri, 22 Nov 2019 23:09:13 -0500 Received: by mail-pj1-f65.google.com with SMTP id o14so3986334pjr.0 for ; Fri, 22 Nov 2019 20:09:13 -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=g8sgaQY/+XBwxHT7dgSuaVwAa2AexcXfsTE7aom3zK0=; b=bHQSXAf1edwcECyBp5dtz84e1e0dMEH2+HNZniaccn3zavCJE9U9DDNY2EsfnFKXJ6 HJyqNJtS/hZUoXAcq1gqx/HkmcqUpdKGGMex94g4/V1nM3+RObfP0nvAWqWhgiJ9sYck Z4MNUnxLRWU0zTsrVcCVogBpS/O63r/yGBBqNINZNvQVvcvwLKfEntPzuXls8/aSnvEO Mb9YCbCTf/cfLLEp+2QIz8ibFb+nnKUKE3zhbn95NP/A7nlXkw8U7fIrlwReZq+RNgyP cvMbXrfThrLVT2NJJ9vBzORFVocZaMzueBm5iS6AJXu+l8hUrX20DETuVHKbYT0pUDFP ftTA== 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=g8sgaQY/+XBwxHT7dgSuaVwAa2AexcXfsTE7aom3zK0=; b=Knc4IVrNKdxzh160TSHPFnVN35vUmu9Orr5J8tD48BFRHpN5RS6p4mPLwsC+NN1Z2n I6PdZGWWrm+Fpn2msYDmgiobFXRJcwrMC9UXxNP2dyB7qaf8dXJjHb8hQnWNMnYxuL+N qpEvWb9v1VIjcGtzW7TqK9fWGZ9xRtdaTwh1wNh5/JFVmxeUdDZPHTkGzTJF5BM3rF1t HKdn2xapBAp/oRBiqVI0vxiyz+LL9e54LJf0hH/JliVc0hKlG6L6WDoOiKWmPDDPf/VB mNqzba1PXPjbF9cNuPyieSHHV7B9dWH9FK6zjF7ZYlaGtbXCMAGZIoXV+CNZU9QVewvG GQ7Q== X-Gm-Message-State: APjAAAXWJ9lpZEge6lhOoSDQvS22HNJINqCu2JLZ6NUS/Sn4tHKwEP6e LwrzPStK5kjqPIMj4MsDubA= X-Google-Smtp-Source: APXvYqwXX/S6KYurldfgKS7+knl6XFOJZLtow5XngPN23+xkR14NwNhd0QsLBY7gEQ67H5qpxG1yrA== X-Received: by 2002:a17:902:bb8f:: with SMTP id m15mr17950296pls.121.1574482152599; Fri, 22 Nov 2019 20:09:12 -0800 (PST) Received: from mail.google.com ([45.32.93.123]) by smtp.gmail.com with ESMTPSA id x7sm120934pfa.107.2019.11.22.20.09.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Nov 2019 20:09:12 -0800 (PST) Date: Sat, 23 Nov 2019 04:09:10 +0000 From: Changbin Du To: Changbin Du Cc: Jiri Olsa , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Alexander Shishkin , Namhyung Kim , linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 0/2] perf: add support for logging debug messages to file Message-ID: <20191123040910.dfi65lbev7ydtbdo@mail.google.com> References: <20191018002757.4112-1-changbin.du@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191018002757.4112-1-changbin.du@gmail.com> User-Agent: NeoMutt/20180716-508-7c9a6d Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jiri, In case you missed this one in your mailbox. :) On Fri, Oct 18, 2019 at 08:27:55AM +0800, Changbin Du wrote: > When in TUI mode, it is impossible to show all the debug messages to > console. This make it hard to debug perf issues using debug messages. > This patch adds support for logging debug messages to file to resolve > this problem. > > v5: > o doc default log path. > v4: > o fix another segfault. > v3: > o fix a segfault issue. > v2: > o specific all debug options one time. > > Changbin Du (2): > perf: support multiple debug options separated by ',' > perf: add support for logging debug messages to file > > tools/perf/Documentation/perf.txt | 16 ++-- > tools/perf/util/debug.c | 124 ++++++++++++++++++++---------- > 2 files changed, 92 insertions(+), 48 deletions(-) > > -- > 2.20.1 > -- Cheers, Changbin Du