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=unavailable 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 9079BC2D0E0 for ; Fri, 11 Sep 2020 00:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 50DAE208FE for ; Fri, 11 Sep 2020 00:47:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599785245; bh=q0yRMguvY/GwKYtuU8Ll/cQ/jEQ6NkxZAQwfNy/ELnU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=WqFK1Ul7kPp9JR0b+gfDf3VzPuPXbxHVbFRucc4WsRiBycsAuhQpdsdacipPtcJjz IYOz1VVR1SVaiaJX/H1bgxFzrNzC55Dz1S5a32m7wYZDoAl5Ifx1ROC/Lpe4YCGDOj cMFy41UpcxJVkMJrhjDrltU1dM55WHlNyPzHt0Qo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725764AbgIKArY (ORCPT ); Thu, 10 Sep 2020 20:47:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:41844 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725294AbgIKArU (ORCPT ); Thu, 10 Sep 2020 20:47:20 -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 2CB4C214F1; Fri, 11 Sep 2020 00:47:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599785240; bh=q0yRMguvY/GwKYtuU8Ll/cQ/jEQ6NkxZAQwfNy/ELnU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z+OHEKnKofX2I8Mld+PKlQyw8MRioNkf+sARuiTD7xqN8J44F//PInHKIn4RUFRcc iFPL+GVWmz+CUgdO5AzzcEbkKERTTpBlfYOJvJHGArMsuYgPElS+jYL+DOo9MDDwIX +/I7SpmizLNvn2gwlUnHIT2Es7qvXPwGhDGSpF6U= From: Masami Hiramatsu To: Steven Rostedt , Jonathan Corbet , Shuah Khan Cc: mhiramat@kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Randy Dunlap , Ingo Molnar , linux-kselftest@vger.kernel.org, Tim.Bird@sony.com Subject: [PATCH v3.1 3/8] Documentation: tracing: Add tracing_on option to boot-time tracer Date: Fri, 11 Sep 2020 09:47:15 +0900 Message-Id: <159978523520.485820.9250337223076929279.stgit@devnote2> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200911074110.fa9d19c152f3c35947199360@kernel.org> References: <20200911074110.fa9d19c152f3c35947199360@kernel.org> 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 --- Changes in v3.1: - Fix "on boot" to "on starting boot-time tracing". --- 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..9bc8aceb8c0a 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 starting boot-time tracing. + (you can enable it by the "traceon" event trigger action) + ftrace.[instance.INSTANCE.]trace_clock = CLOCK Set given CLOCK to ftrace's trace_clock.