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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 4FE3AC433E2 for ; Mon, 31 Aug 2020 12:46:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2222B21473 for ; Mon, 31 Aug 2020 12:46:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598877960; bh=8rOIdZ6wqgc1jq2tHq0/nusm6CFDfSurOY8zud5UQN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rWYOYNMlplOw7xMnjl7SQ7K1FR/WdGArKaQSz5spOeBM83DyuR7oazAwaDS5wGnUr 5HDpwQnzoAAb5eu+01e1WRXcsjGDtd7PW6hh9DaJt10nzUI0UwBQKoDDV1x5vY53Lm gyZKUDjdxxSDYEPVqVNF65iaMgDJ6tB3yqPMu98k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727846AbgHaMp6 (ORCPT ); Mon, 31 Aug 2020 08:45:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:46802 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726144AbgHaMp4 (ORCPT ); Mon, 31 Aug 2020 08:45:56 -0400 Received: from localhost.localdomain (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B14342073A; Mon, 31 Aug 2020 12:45:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598877956; bh=8rOIdZ6wqgc1jq2tHq0/nusm6CFDfSurOY8zud5UQN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TSvjY00nngC1TPHjSpUATD6l8D/Sl2/MzPfM50BAfgXg+ZlHq6JZ3nihC/s9Rw56b YDEGy92KSAzXPL8RG2kur8aqSw+5HbXZdz6lBgXIxbOcllF9r4BTQpoiaNhLBLJ3Z1 b6GFmfGPWZx4/HqYvExo86YzuVRcRnWSKhbCo4Ko= From: Masami Hiramatsu To: Steven Rostedt , Jonathan Corbet Cc: mhiramat@kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH 3/6] Documentation: tracing: Add tracing_on option to boot-time tracer Date: Mon, 31 Aug 2020 21:45:52 +0900 Message-Id: <159887795239.1330989.17724824075048692028.stgit@devnote2> X-Mailer: git-send-email 2.25.1 In-Reply-To: <159887792384.1330989.5993224243767476896.stgit@devnote2> References: <159887792384.1330989.5993224243767476896.stgit@devnote2> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracing_on option description to the boot-time tracer. Signed-off-by: Masami Hiramatsu --- Documentation/trace/boottime-trace.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/trace/boottime-trace.rst b/Documentation/trace/boottime-trace.rst index dcb390075ca1..1341b449acaa 100644 --- a/Documentation/trace/boottime-trace.rst +++ b/Documentation/trace/boottime-trace.rst @@ -61,6 +61,10 @@ These options can be used for each instance including global ftrace node. ftrace.[instance.INSTANCE.]options = OPT1[, OPT2[...]] Enable given ftrace options. +ftrace.[instance.INSTANCE.]tracing_on = 0|1 + Enable/Disable tracing on this instance when boot. + (you can enable it by the "traceon" event trigger action) + ftrace.[instance.INSTANCE.]trace_clock = CLOCK Set given CLOCK to ftrace's trace_clock.