FIELD_OP_NONE    2431 kernel/trace/trace_events_hist.c 	enum field_op_id field_op = FIELD_OP_NONE;
FIELD_OP_NONE    2436 kernel/trace/trace_events_hist.c 		return FIELD_OP_NONE;
FIELD_OP_NONE    3094 kernel/trace/trace_events_hist.c 	if (field_op == FIELD_OP_NONE)