linux-kernel - [PATCH 05/11] tracing: Indicate enabled soft-mode in enable file

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Message-ID: <20130509054426.30398.28202.stgit@mhiramat-M0-7522>
Date:	Thu, 09 May 2013 14:44:26 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	yrl.pp-manager.tt@...achi.com, Oleg Nesterov <oleg@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Tom Zanussi <tom.zanussi@...el.com>
Subject: [PATCH 05/11] tracing: Indicate enabled soft-mode in enable file

Indicate enabled soft-mode event as "1*" in "enable" file
for each event, because it can be soft-disabled when disable_event
trigger is hit.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Tom Zanussi <tom.zanussi@...el.com>
---
 kernel/trace/trace_events.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 44ac836..cc3c130 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -623,6 +623,8 @@ event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 	if (file->flags & FTRACE_EVENT_FL_ENABLED) {
 		if (file->flags & FTRACE_EVENT_FL_SOFT_DISABLED)
 			buf = "0*\n";
+		else if (file->flags & FTRACE_EVENT_FL_SOFT_MODE)
+			buf = "1*\n";
 		else
 			buf = "1\n";
 	} else

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