From: Steven Rostedt (VMware) Date: Thu, 10 May 2018 16:42:10 +0000 (-0400) Subject: tracing: Allow histogram triggers to access ftrace internal events X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3be4c1e52aa5a917aacb1c3829c2d89096b30230;p=openwrt%2Fstaging%2Fblogic.git tracing: Allow histogram triggers to access ftrace internal events 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. Reviewed-by: Namhyung Kim Signed-off-by: Steven Rostedt (VMware) --- 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);