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tracing: Allow histogram triggers to access ftrace internal events

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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 <namhyung@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (VMware) 2018-05-10 12:42:10 -04:00
parent 4a0772cf06
commit 3be4c1e52a
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/trace_events_hist.c
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@ -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);