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.

Link: http://lkml.kernel.org/r/20130509054426.30398.28202.stgit@mhiramat-M0-7522
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 87e826f1c23748c86826e0ba25651fee92710c0d..915c136d7bd179c853a586ca2c8b436cebe3b1f6 100644 (file)
--- 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