From: "Steven Rostedt (VMware)" Now that trace_marker can have triggers, including a histogram triggers, the onmatch() and onmax() access the trace event. To do so, the search routine to find the event file needs to use the raw __find_event_file() that does not filter out ftrace events. Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace_events_hist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index b9061ed59bbd..046c716a6536 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -2865,7 +2865,7 @@ static struct trace_event_file *event_file(struct trace_array *tr, { struct trace_event_file *file; - file = find_event_file(tr, system, event_name); + file = __find_event_file(tr, system, event_name); if (!file) return ERR_PTR(-EINVAL); -- 2.17.0