Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp1820940ybm; Sat, 30 May 2020 23:04:42 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxNIm6OttIudtTyrv4+M/a6o/9xUeLaCc+pVFNVc22VYXB/thu/+rfxFh72bDN3mub0jegw X-Received: by 2002:a17:906:398:: with SMTP id b24mr15027892eja.44.1590905082766; Sat, 30 May 2020 23:04:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590905082; cv=none; d=google.com; s=arc-20160816; b=jxumLgCJ3Rr1+P6fTe7lhLOJb317kRZUX+BaKNTFmYknodDwXgw5PZzK1WCuEmbRhz WnL+OXch6X9AEWRgxHAP92HXLCmh35W+5ioPVi08Vs1LGdUKaQRP9mTtf5QeYdMx7zWw EXSHqP4bsiHreKaKqLK8BLuBlCJ1ukFFjvVTuzXOW4tNPiSzpCqB9N+yqY2PfzbhkC6h gynxHv1nofbN20yu2S+TlrHFb4BUj/fPAbKTErmE15IIOM7bufKssxNaY2qhujpDf+oz O4nD11Go/v/o+DgdGM1v16KF0lt/Oe3wkFKl+GjDB1BbGrM2LcHWauZyFxkrMumHWM2o ApoQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=x1ClCZahba9lle1kgBX7VDXUe0vM3TTXePWMfEUxkQk=; b=j/oXDxbC0rsbeVWd9Qjrp6NxPSVY64h8K+nb3YM9n3CzD/6UBy5zguoSYwXT04BL7/ G44Fdt/75kTgs6V8e6lT/mjjnXHyKxX14cfOoF4oLfoPIFasW7Q9fYKWsvBK5CrKVQB4 vSPfk6N91r0EBYaojgpln3u74LYsivhJwyIAEMdQHaET29oQHqb8PzxJGZrtbLuRM/cc tqwovGEhysqKLLw7MpuXuVtbjrCIBiAXMEgrusB9dzMQ/RjsHA72dyYx7PB8WRMNiTew tnMDGVY+WYn7sD0wf/p3SbjAoL0BI5SjPgTlIxn9kM/JRRGGI0zCq7ESrv1vitejuX1i 0img== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k6si5939112ejg.631.2020.05.30.23.04.19; Sat, 30 May 2020 23:04:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729612AbgEaGAX (ORCPT + 99 others); Sun, 31 May 2020 02:00:23 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:40230 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725898AbgEaGAW (ORCPT ); Sun, 31 May 2020 02:00:22 -0400 Received: by mail-wm1-f66.google.com with SMTP id r15so8125947wmh.5 for ; Sat, 30 May 2020 23:00:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=x1ClCZahba9lle1kgBX7VDXUe0vM3TTXePWMfEUxkQk=; b=L2FDxp6W9ewdfYt3MgXLUdY/r0U4ANmTpOc/eRvMJvKzZ5el2wP0eSEbL015q7pu8Q w4eR8Sv7kwXq36kRxu7X/eXG5LhqMj+aIiHWLvZGGkKGCZU4TiZ37TfFnRgASLe0aJxt UwcdloD41ZKJAf18AkBmcl+H1xtzD8bq+7Hd1jU7JfLAX6ajNs3ULFCnfBum3Ta6LBx7 0SsypS54Js9j8Z0U3Xi2pzwOcYL1SDXSmTSvp4tWKBGj7p0YMriH7iVh+f/MnY6+M3eu D6/g8ThzV029kVU2QWvHvN6zEmUeYuBc0NFOOLY4sV3V91RRWJXmxmztrP+x1TqjvITG Dj0w== X-Gm-Message-State: AOAM530LWzHr4EhosMkLwJNG3brUlDO1WI/eRxhapvodrNi5oAw6x/LB m+j1tht2U1juAi+IvUzQ6Z3M58zeLLPVn/SzoQjXSQ== X-Received: by 2002:a7b:cf2c:: with SMTP id m12mr15919453wmg.70.1590904821068; Sat, 30 May 2020 23:00:21 -0700 (PDT) MIME-Version: 1.0 References: <20200510150628.16610-1-changbin.du@gmail.com> <20200510150628.16610-9-changbin.du@gmail.com> <20200520210257.GV32678@kernel.org> In-Reply-To: <20200520210257.GV32678@kernel.org> From: Namhyung Kim Date: Sun, 31 May 2020 15:00:10 +0900 Message-ID: Subject: Re: [PATCH 08/19] perf ftrace: add option -l/--long-info to show more info To: Arnaldo Carvalho de Melo Cc: Changbin Du , Jiri Olsa , Peter Zijlstra , Ingo Molnar , Steven Rostedt , linux-kernel Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 21, 2020 at 6:03 AM Arnaldo Carvalho de Melo wrote: > > Em Sun, May 10, 2020 at 11:06:17PM +0800, Changbin Du escreveu: > > Sometimes we want ftrace display more and longer information about trace. > > Humm, -v? Or that would bring too much stuff from other parts of perf? > I guess so, perhaps as an option to the function-graph tracer, one that > combines, as you do, several options provided by that tracer? I think -v option is to debug perf tool's behavior while this is to change the output (or behavior). Thanks, Namhyung