From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755931AbZCJVFt (ORCPT ); Tue, 10 Mar 2009 17:05:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755101AbZCJVFg (ORCPT ); Tue, 10 Mar 2009 17:05:36 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:36965 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754021AbZCJVFf (ORCPT ); Tue, 10 Mar 2009 17:05:35 -0400 Message-Id: <20090310210531.096862962@goodmis.org> References: <20090310210408.419131392@goodmis.org> User-Agent: quilt/0.46-1 Date: Tue, 10 Mar 2009 17:04:11 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Thomas Gleixner , Peter Zijlstra , Frederic Weisbecker , Arnaldo Carvalho de Melo , "H. Peter Anvin" , Mathieu Desnoyers , Lai Jiangshan , "Martin J. Bligh" , "Frank Ch. Eigler" , KOSAKI Motohiro , Larry Woodman , Jason Baron , Tom Zanussi , Masami Hiramatsu , Christoph Hellwig , Jiaying Zhang , Steven Rostedt Subject: [PATCH 3/7] tracing: add back the available_events file Content-Disposition: inline; filename=0003-tracing-add-back-the-available_events-file.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Steven Rostedt The event directory files type and available_types were no longer needed with the new TRACE_EVENT_FORMAT macros, they were deleted. But by accident the available_events file was also removed. This patch brings it back. Reported-by: KOSAKI Motohiro Signed-off-by: Steven Rostedt --- kernel/trace/trace_events.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 85ec10f..769dfd0 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -428,6 +428,13 @@ static const struct seq_operations show_set_event_seq_ops = { .stop = t_stop, }; +static const struct file_operations ftrace_avail_fops = { + .open = ftrace_event_seq_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + static const struct file_operations ftrace_set_event_fops = { .open = ftrace_event_seq_open, .read = seq_read, @@ -569,6 +576,13 @@ static __init int event_trace_init(void) if (!d_tracer) return 0; + entry = debugfs_create_file("available_events", 0444, d_tracer, + (void *)&show_event_seq_ops, + &ftrace_avail_fops); + if (!entry) + pr_warning("Could not create debugfs " + "'available_events' entry\n"); + entry = debugfs_create_file("set_event", 0644, d_tracer, (void *)&show_set_event_seq_ops, &ftrace_set_event_fops); -- 1.6.1.3 --