Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp1823030ybm; Sat, 30 May 2020 23:09:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyqaui7qeUvUcxKojekq5oBZBouYyvXsu5lLyM3gZiAU3zWmPwM25QC9QXUkdxeZLzaH/ws X-Received: by 2002:aa7:c71a:: with SMTP id i26mr3329512edq.149.1590905380000; Sat, 30 May 2020 23:09:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590905379; cv=none; d=google.com; s=arc-20160816; b=T7j84GmOtv6JIGXsavrm5V78sxeBwzx5PC3dTk6XX1Co/QrT5/+mBZHFWpEr5HToMQ QudBuJEmvDX98nA2PpajlfQZNH+XorAugndJ4aHAAFDed5Lff9/8HsN+7KCR4xv3iNA7 U36ChAFzB5o71cYTFpYBJ5hC42cztejNgMtO88Bg55v/EebxVX/ePy/18KpE0gGlslOc jT1rLhCS9OWkk15V2KMTMvrXpKzfT1tq3mN3I3TfzBWOIdqI6E/sBmpodduUr1SAAFMS fM/dkEBbQa5v4L7gpyoFzdm+bZ1ka5Fn90g8CZSU17sUjugiPIZCuNvmJCr0XkiwNQbP Vd2A== 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=D1buWu58KyOLiS6bQIdgERBquwzHgWz6b4aiAnZlt+M=; b=YYiLICas2QB0Ooh/3lF1/03NicMtNtWg5N9ZqwRZoTnkSIxIjvZynECi5yZ96oh8LM viJktD+KLbwkEJnyQcFLAEZg46CthvoHp1Y3TPDkWSPXZ8Dfqzg+CRkThY+bHxqWUI7X 5ewcgmsc4Dq28gc97BtbBch6zBcEwGboR5B/MZjfWnOD1E1zK7XEZkU7tpFJbnT2ngGG 4O1GAFCxzpr3+BrV7/1su0qt96ysmq6CmHpFNiupWl9IQjiCpH4j2eFH/YJPNX/Hc9tM +mOmTR74Mb3VA5ep+PT+mC+J18DlB8+0Y3rwL6Iy/JjW5KWf0ohGAjcGrsKPBbMHYTyR MENg== 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 g7si8230432ejx.451.2020.05.30.23.09.17; Sat, 30 May 2020 23:09:39 -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 S1726020AbgEaGHc (ORCPT + 99 others); Sun, 31 May 2020 02:07:32 -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-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