Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00167C433EF for ; Wed, 15 Dec 2021 18:22:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343753AbhLOSWb (ORCPT ); Wed, 15 Dec 2021 13:22:31 -0500 Received: from mail-lf1-f52.google.com ([209.85.167.52]:46756 "EHLO mail-lf1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343684AbhLOSW2 (ORCPT ); Wed, 15 Dec 2021 13:22:28 -0500 Received: by mail-lf1-f52.google.com with SMTP id bt1so2153647lfb.13 for ; Wed, 15 Dec 2021 10:22:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=0yl8xRrnO5YdvXRh5WZ2gJbb966QjOOewKNP5m/QcJI=; b=raIybRvGp63A70xv1AZFapgIzI4kTHCYfn0N/lzEdZgRM1CCtFZbWAUxvtb5FHSgnF y1X69YbUkp79nVeaVB9yKABGnI6GjuN29UuR6cQft625vwI7tSIrVS+BJ0eh8dMuUxZO 8UqHPm19tr2BHeIV0jFcrlfZ0xwU30SPNwGWW27ChEbwHgbEfbrWXgtpO/EVkbcm7UYR +hbQIwoEwu9Cs8Xx8dfzQWZQQwB0fm7UkmSi06isCgru2r4wb9GgGHw2OYmIN7AhItfk QRdrnshShkV7S7sYbUSjRA/n4zOClYhVJZ6TJ4qwBhl9MxBJttQv2kCigEcdzzWqcwA+ PFcA== X-Gm-Message-State: AOAM531Ug8VOzDzL1rXrUdgQpJZpEgpZvJKaaUpj1fQ4rR7KS7W+mJwx /+n65i+ljyEBeYPoy9x0+y1tQ9BEkntNPkkQREE= X-Google-Smtp-Source: ABdhPJyyHrqiZOq0CgmNuWf3MIYlzycSL/S4jw3z64p7JpV37Ev+7XaWoyp9VzZQnHDg59uyNPvWWWfIdeZOCWs4Je4= X-Received: by 2002:a05:6512:31cd:: with SMTP id j13mr11045223lfe.586.1639592547336; Wed, 15 Dec 2021 10:22:27 -0800 (PST) MIME-Version: 1.0 References: <20211129231830.1117781-1-namhyung@kernel.org> <20211129231830.1117781-5-namhyung@kernel.org> <011B6FDF-15F0-411F-98F2-155E95BE7047@linux.vnet.ibm.com> In-Reply-To: From: Namhyung Kim Date: Wed, 15 Dec 2021 10:22:16 -0800 Message-ID: Subject: Re: [PATCH 4/5] perf ftrace: Add -b/--use-bpf option for latency subcommand To: Athira Rajeev Cc: Arnaldo Carvalho de Melo , Jiri Olsa , Ingo Molnar , Peter Zijlstra , LKML , Andi Kleen , Ian Rogers , Stephane Eranian , Song Liu , Changbin Du Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 15, 2021 at 10:15 AM Namhyung Kim wrote: > Well, now we build perf with BPF by default. > So I think it's ok to follow your suggestion. > it'd show the usage and options when the -b option is used > and BPF support is not enabled. Oh, it seems we're not there yet. :) But anyway I think we can get there soon so I'll make the change. Thanks, Namhyung