operand1_str     3085 kernel/trace/trace_events_hist.c 	char *sep, *operand1_str;
operand1_str     3111 kernel/trace/trace_events_hist.c 	operand1_str = strsep(&str, sep);
operand1_str     3112 kernel/trace/trace_events_hist.c 	if (!operand1_str || !str)
operand1_str     3116 kernel/trace/trace_events_hist.c 	operand1 = parse_atom(hist_data, file, operand1_str,