From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933589Ab3CHDHW (ORCPT ); Thu, 7 Mar 2013 22:07:22 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:24181 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759548Ab3CHDGy (ORCPT ); Thu, 7 Mar 2013 22:06:54 -0500 X-Authority-Analysis: v=2.0 cv=adbjbGUt c=1 sm=0 a=rXTBtCOcEpjy1lPqhTCpEQ==:17 a=mNMOxpOpBa8A:10 a=Ciwy3NGCPMMA:10 a=uDYApKD6tegA:10 a=5SG0PmZfjMsA:10 a=bbbx4UPp9XUA:10 a=meVymXHHAAAA:8 a=DeNa8rmPTecA:10 a=20KFwNOVAAAA:8 a=9z8n9I-v10junTpXZj8A:9 a=jEp0ucaQiEUA:10 a=jeBq3FmKZ4MA:10 a=rXTBtCOcEpjy1lPqhTCpEQ==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 74.67.115.198 Message-Id: <20130308030652.139891944@goodmis.org> User-Agent: quilt/0.60-1 Date: Thu, 07 Mar 2013 22:00:00 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Thomas Gleixner , Frederic Weisbecker , Masami Hiramatsu , David Sharp , Vaibhav Nagarnaik , hcochran@lexmark.com, Hiraku Toyooka Subject: [for-next][PATCH 02/17] tracing: Add comment for trace event flag IGNORE_ENABLE References: <20130308025958.501479677@goodmis.org> Content-Disposition: inline; filename=0002-tracing-Add-comment-for-trace-event-flag-IGNORE_ENAB.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (Red Hat)" All the trace event flags have comments but the IGNORE_ENABLE flag which is set for ftrace internal events that should not be enabled via the debugfs "enable" file. That is, if the top level enable file is set, it will enable all events. It use to just check the ftrace event call descriptor "reg" field and skip those whithout it, but now some ftrace internal events have a reg field but still need to be skipped. The flag was created to ignore those events. Now document it. Signed-off-by: Steven Rostedt --- include/linux/ftrace_event.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 4d79d2d..0b0814d 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -204,6 +204,7 @@ enum { * FILTERED - The event has a filter attached * CAP_ANY - Any user can enable for perf * NO_SET_FILTER - Set when filter has error and is to be ignored + * IGNORE_ENABLE - For ftrace internal events, do not enable with debugfs file */ enum { TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), -- 1.7.10.4