trace_find_mark   863 kernel/trace/trace.h extern char trace_find_mark(unsigned long long duration);
trace_find_mark   616 kernel/trace/trace_functions_graph.c 		trace_seq_printf(s, "%c ", trace_find_mark(duration));
trace_find_mark   556 kernel/trace/trace_output.c 			trace_find_mark(rel_ts * NSEC_PER_USEC));