Hi,
You want to monitoring your paging activities right? Not swapping activities? Okay..Anways; this is already documented.. This is discussed under the subject on metric extensions.
Read this ->
https://docs.oracle.com/cd/E24628_01/doc.121/e24473/metric_extension.htmPaging or swapping.. You will check them by executing OS commands. (for instance you can use vmstat command for that.)
Read the this section also -> 9.3.5 Creating a New Metric Extension
There you will see OS command adapters..
here->
OS Command Adapter - Single Column
Executes the specified OS command and returns the command output as a single value. The metric result is a 1 row, 1 column table.
OS Command Adapter- Multiple Values
Executes the specified OS command and returns each command output line as a separate value. The metric result is a multi-row, 1 column table.
OS Command Adapter - Multiple Columns
Executes the specified OS command and parses each command output line (delimited by a user-specified string) into multiple values. The metric result is a mult-row, multi-column table.