Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp1639001yba; Thu, 9 May 2019 21:21:38 -0700 (PDT) X-Google-Smtp-Source: APXvYqyL2pGbrxFfX1HVZ51aM7QhWjigH6BhJo8RWj3EqPPldXw7Kt1UiGx6WSkWJX4l9CNtk9Xo X-Received: by 2002:a62:4852:: with SMTP id v79mr11171260pfa.72.1557462098441; Thu, 09 May 2019 21:21:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557462098; cv=none; d=google.com; s=arc-20160816; b=cuyOiIS6Lu0i8FsI2/WacjQSwP3SbLSRPZhsiGvmj//Xd8Vpww43+j//YuelQNFQue w1blbyFN6mRFqi0nw13Kf8zj4NLjJDEASXJ0jljZ2+BLk2fOZGX9kFU/ODlStpfzUjn7 iL0gL2ZqbT9erEYlYOLLJWhCOgS4Ub3jtfO+kKykYFZiy6UGw4fmT4QK2Lp33gOTmCWd ahi11o6Dd9NFKdEweXSpogHvVZ+0L50yErYkAdZOD9txnsTCwQsc0/hBtInXa5T7b2jW kt+DCuWVKaBGM8hXjLUcHP8EgF4s35bfWlZ411EgpTf/VSj41UavkCbbjLsZtY2NRr/Q M80A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=H7CXw82ysMGuGxsD2HDO/JE5Kk/4Hn40MMGZNADfJQE=; b=nKWDKEBlR8qMxM9U8Sg3np+Q/f/UZUPAyzM74KBM1WEC0ijkgf05HHfUI/AQfLla3F q5Zy4RtHraZVtVk0B0KXX4mDL9wFomJnUe+bLcejG6rWjwnb20Jh71qnUDp00yDYTju3 432aY2s44WCH3lzvutCz40mzFAlTF8ChoY3rsJAm9oTImtb1H7uPuBUi7T5fCBu52Ias gCOCje4uRkGeM8vsgkZjXJXykqtW76ZiGHKdo6augCgjWc8viTu6PUdDrJIG2fWq9vR7 2EUr0ZgNaPD4MnIGxWquvy58sjdXdn9UrHsRKKAv7kMlqQRXxjH+00a0TUolqOUyVqkN IeYg== 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 a11si5616922pgw.384.2019.05.09.21.21.21; Thu, 09 May 2019 21:21:38 -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 S1726923AbfEJEUd (ORCPT + 99 others); Fri, 10 May 2019 00:20:33 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:7875 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725903AbfEJEUc (ORCPT ); Fri, 10 May 2019 00:20:32 -0400 X-UUID: 6840245851e3448192aee4006048c008-20190510 X-UUID: 6840245851e3448192aee4006048c008-20190510 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 127925819; Fri, 10 May 2019 12:20:27 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 10 May 2019 12:20:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 10 May 2019 12:20:25 +0800 From: Lecopzer Chen To: CC: , , , , , Lecopzer Chen Subject: RE: [PATCH] Documentation: {u,k}probes: add tracing_on before tracing Date: Fri, 10 May 2019 12:19:49 +0800 Message-ID: <1557461989-29625-1-git-send-email-lecopzer.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <20190509220829.42cb21dc0555abe1de98df10@kernel.org> References: <20190509220829.42cb21dc0555abe1de98df10@kernel.org> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 1CA06B267CE4478EE285A06EA3FFDD04B648AED898BFE11B98B3F8C4C573F0C12000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> 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. > OK, but isn't tracing_on enabled by default? Yes, but it may be disabled by some distros' init process. > Anyway, it looks good to me (for making sure the trace is enabled). > Acked-by: Masami Hiramatsu > Thanks! Thanks a lots for your reply!