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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1D970C433DF for ; Sun, 31 May 2020 06:07:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E1A3420707 for ; Sun, 31 May 2020 06:07:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590905253; bh=3Y6soTAz/AJDK+djxnyDiGe9LrqOFDPcfrVcaxzI3AE=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=p84tHj39h2HflVtTdUaBW8l500p0GddGjPEWMOeY6i+444nZ99g67VTcFBjBSwj4n xHXep+7UQhTsJCQyV9QajTuD55hVee4veTEpmopd1J0jXz/18bp1MsQ3tlz5CPIHQE mq4eazashru2FMz5DKvX4SqdShDZy/CgTNaaXws8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728900AbgEaGHd (ORCPT ); Sun, 31 May 2020 02:07:33 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:39284 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725895AbgEaGHc (ORCPT ); Sun, 31 May 2020 02:07:32 -0400 Received: by mail-wm1-f65.google.com with SMTP id k26so8160610wmi.4 for ; Sat, 30 May 2020 23:07:31 -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=D1buWu58KyOLiS6bQIdgERBquwzHgWz6b4aiAnZlt+M=; b=nh13IXBkxnwRH3nZnkjNZNgwg9PNV4eJSc6meHvTS8Ei1KCdSTq3T5HxhkiwoayFRN G1qvO1wEw6FFGwfacSDjCqtaONKrvj6fyO8f9eQuOPQ86i1rCSFGnxFwm9A7vR+10TbK hCx12V3Rxb5TERYfC5ogXsiGCt3D+VFeqmamQPhvAzsFE//WOOZMoGn4CeQwyFxsUyfP lNIe2NtDgvgUHiTbq5Fy+0PNvl5LcAJkOC+DHabmwZRLIVbUG87cC3o5OWifwJxmpbEM dupotP/KmM6o1GDN0kRDwPXaAxvsOIfP88Q5gCKszoTrCjagNtbw2yjAJeqPQwhx55SK aAWQ== X-Gm-Message-State: AOAM530FBQW8C3SxVPnZST2vH5orjPg6kWdlP2/Y2faq61gNhbvtcI7E kcVHqOkyyFXkOe898nC24yb0RGHL+xb5pEG3PCo= X-Google-Smtp-Source: ABdhPJyu7sNOuQdUHdXQJM5Z58X/WF3zUzp5Cbym8SfF45CFcLKbUoCtfjYLD0GfiHUaZSwowaEcD3sfpDTqxu44JI0= X-Received: by 2002:a7b:cf2c:: with SMTP id m12mr15944573wmg.70.1590905250948; Sat, 30 May 2020 23:07:30 -0700 (PDT) MIME-Version: 1.0 References: <20200510150628.16610-1-changbin.du@gmail.com> <20200510150628.16610-11-changbin.du@gmail.com> <20200520210509.GY32678@kernel.org> In-Reply-To: <20200520210509.GY32678@kernel.org> From: Namhyung Kim Date: Sun, 31 May 2020 15:07:19 +0900 Message-ID: Subject: Re: [PATCH 10/19] perf ftrace: add support for trace option funcgraph-tail 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 6:05 AM Arnaldo Carvalho de Melo wrote: > > Em Sun, May 10, 2020 at 11:06:19PM +0800, Changbin Du escreveu: > > This adds an option '--funcgraph-tail' for function graph tracer. > > And I think we should make these available in a compact way, as Intel PT > has, i.e. instead of doing something like: > > --function-graph-options nosleep_time,noirqs,no_tail,long_info > > We could have: > > -G ns,ni,nt,li > > To save on typing, or something like that. Looks good. What about separate 'no' prefix from two letter alias? st, nost, ir, noir, ... Thanks Namhyung