pcb.add_u64_counter(l_osdc_op_send_bytes, "op_send_bytes", "Sent data", NULL, 0, unit_t(UNIT_BYTES));
pcb.add_u64_counter(l_osdc_op_resend, "op_resend", "Resent operations");
pcb.add_u64_counter(l_osdc_op_reply, "op_reply", "Operation reply");
pcb.add_u64_counter(l_osdc_op_send_bytes, "op_send_bytes", "Sent data", NULL, 0, unit_t(UNIT_BYTES));
pcb.add_u64_counter(l_osdc_op_resend, "op_resend", "Resent operations");
pcb.add_u64_counter(l_osdc_op_reply, "op_reply", "Operation reply");