Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp523224ybi; Fri, 7 Jun 2019 12:00:09 -0700 (PDT) X-Google-Smtp-Source: APXvYqxK8WaM7JP3YDc83BmZPXoSOSRVhv0EvpqJ5JTXK3fsnfGCw4GNuFVJK5dkm0sT1TuAUVaW X-Received: by 2002:aa7:9087:: with SMTP id i7mr3179959pfa.40.1559934009849; Fri, 07 Jun 2019 12:00:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559934009; cv=none; d=google.com; s=arc-20160816; b=qlwBwRmvHEB1QNJ0mZ5yfQhJCr10SwbF7eQ698wCq3BfIQp8Qvbv5Z2/c0ihdztMyc DhYgf3s2NpWugRB9e1FJqeEU3cn1O5XPouKS9uSVwbOO+PE93PxIlOoUpVhHF90yvKHj LfN/XsHQqHxbL4jGGfdVUmisE4R1HWm0KI/m3NcvHblOsaEG4KZcSmafXqnpqJB9EO46 rTrrIYu7FWO3UiDrGOGwa4OdZni2PgWRTbqo1hYCJ+oxOh1ThgEPbh4xzY+t1bKzn5s9 4kdOHf7J7PIiwYcKLUdNKnXBF0BlJqUQQmD8D6QIeO5AuabVUdaDMQ0U25AjPIoMGLgo 3fOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date; bh=DE6Vn4F+UFIGTE7K8eCHICDzboC5zUiw1nIgBCMI8UU=; b=Hi/P3qGqI2FHAoIQrSDOMyJnWd6sbGSLAY1h1P3E649G2vQeHekXNVDqsKhncNc2OV W2FJGDBASgXEWu3T9sseVHAPuVbhiA8CRMG8SiiwioFL0xP6+omQpHbPOUJe0O0EQlKr y+r4b+BrGq3dunjkSa9kBVZI3YYpv/YJhqB+UJLrDm8SeQYI8H9fnfymMb6szT9JYGdf mHE/g4r8u4t98zuzm1rG+7o30oG2rmKz0dMSwC0lKf1dN+z3nw/njhpq4dp3evTPiWik KGZRt8Q9ZbD5Bnu4CvJ1qQUy2aDoI3WAFgQSp4Tt5qAucGnE6KVvMOEO+U+4O44pXIYt sxaA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a13si2679460pjo.32.2019.06.07.11.59.53; Fri, 07 Jun 2019 12:00:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731026AbfFGR5P (ORCPT + 99 others); Fri, 7 Jun 2019 13:57:15 -0400 Received: from ms.lwn.net ([45.79.88.28]:58004 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729714AbfFGR5P (ORCPT ); Fri, 7 Jun 2019 13:57:15 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 85999737; Fri, 7 Jun 2019 17:57:14 +0000 (UTC) Date: Fri, 7 Jun 2019 11:57:13 -0600 From: Jonathan Corbet To: Cc: , , , , Subject: Re: [PATCH] Documentation: {u,k}probes: add tracing_on before tracing Message-ID: <20190607115713.7b5134e2@lwn.net> In-Reply-To: <1557397876-18153-1-git-send-email-lecopzer.chen@mediatek.com> References: <1557397876-18153-1-git-send-email-lecopzer.chen@mediatek.com> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 9 May 2019 18:31:16 +0800 wrote: > From: Lecopzer Chen > > After following the document step by step, the `cat trace` can't be > worked without enabling tracing_on and might mislead newbies about > the functionality. > > Signed-off-by: Lecopzer Chen Applied, thanks. jon