ftrace_event_open
return ftrace_event_open(inode, file, seq_ops);
ret = ftrace_event_open(inode, file, seq_ops);
return ftrace_event_open(inode, file, &show_show_event_filters_seq_ops);
return ftrace_event_open(inode, file, &show_show_event_triggers_seq_ops);
ret = ftrace_event_open(inode, file, seq_ops);
ret = ftrace_event_open(inode, file, seq_ops);