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=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 9DA7EC04A6B for ; Wed, 8 May 2019 20:25:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6AE8D2175B for ; Wed, 8 May 2019 20:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728955AbfEHUZA (ORCPT ); Wed, 8 May 2019 16:25:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:35116 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728851AbfEHUYz (ORCPT ); Wed, 8 May 2019 16:24:55 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CF7BF217D6; Wed, 8 May 2019 20:24:54 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.92) (envelope-from ) id 1hOT7V-0007kg-VJ; Wed, 08 May 2019 16:24:53 -0400 Message-Id: <20190508202453.865843951@goodmis.org> User-Agent: quilt/0.65 Date: Wed, 08 May 2019 16:24:40 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , "Srivatsa S. Bhat (VMware)" Subject: [for-next][PATCH 13/13] tracing: Fix documentation about disabling options using trace_options References: <20190508202427.252736423@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Srivatsa S. Bhat (VMware)" To disable a tracing option using the trace_options file, the option name needs to be prefixed with 'no', and not suffixed, as the README states. Fix it. Link: http://lkml.kernel.org/r/154872690031.47356.5739053380942044586.stgit@srivatsa-ubuntu Signed-off-by: Srivatsa S. Bhat (VMware) Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 4269af5905e4..a3a6945a7732 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4755,7 +4755,7 @@ static const char readme_msg[] = " instances\t\t- Make sub-buffers with: mkdir instances/foo\n" "\t\t\t Remove sub-buffer with rmdir\n" " trace_options\t\t- Set format or modify how tracing happens\n" - "\t\t\t Disable an option by adding a suffix 'no' to the\n" + "\t\t\t Disable an option by prefixing 'no' to the\n" "\t\t\t option name\n" " saved_cmdlines_size\t- echo command number in here to store comm-pid list\n" #ifdef CONFIG_DYNAMIC_FTRACE -- 2.20.1