vidyayug@ubuntu:~$ maxadmin -pmariadb list servers
Servers.
-------------------+-----------------+-------+-------------+--------------------
Server             | Address         | Port  | Connections | Status
-------------------+-----------------+-------+-------------+--------------------
srv1               | puppetagent.vidyayug.com |  3306 |           0 | Master, Running
srv2               | sp.test1.com    |  3306 |           0 | Slave, Running
srv3               | idp.test.com    |  3306 |           0 | Slave, Running
-------------------+-----------------+-------+-------------+--------------------
vidyayug@ubuntu:~$ maxadmin -pmariadb list services
Services.
--------------------------+----------------------+--------+---------------
Service Name              | Router Module        | #Users | Total Sessions
--------------------------+----------------------+--------+---------------
Splitter Service          | readwritesplit       |      1 |     1
CLI                       | cli                  |      2 |     3
--------------------------+----------------------+--------+---------------

vidyayug@ubuntu:~$ maxadmin -pmariadb show service "Splitter Service"
Service 0x1a9f8d0
        Service:                             Splitter Service
        Router:                              readwritesplit (0x7f3c3a0e22e0)
        State:                               Started
        Number of router sessions:              0
        Current no. of router sessions:         0
        Number of queries forwarded:            0
        Number of queries forwarded to master:  0 (0.00%)
        Number of queries forwarded to slave:   0 (0.00%)
        Number of queries forwarded to all:     0 (0.00%)
        Started:                             Thu Mar  9 14:49:02 2017
        Root user access:                    Disabled
        Backend databases:
                puppetagent.vidyayug.com:3306  Protocol: MySQLBackend
                sp.test1.com:3306  Protocol: MySQLBackend
                idp.test.com:3306  Protocol: MySQLBackend
        Users data:                          0x1ab2690
        Total connections:                   1
        Currently connected:                 1
vidyayug@ubuntu:~$ maxadmin -pmariadb list sessions
Sessions.
-----------------+-----------------+----------------+--------------------------
Session          | Client          | Service        | State
-----------------+-----------------+----------------+--------------------------
0x1ab2900        |                 | Splitter Service | Listener Session
0x1ab5f40        |                 | CLI            | Listener Session
0x1ab6eb0        | 127.0.0.1       | CLI            | Session ready for routing
-----------------+-----------------+----------------+--------------------------