onstat -g ffr command: Print free fragments

Use the onstat -g ffr command to display information about the free memory fragments for a specified session or shared-memory pool.

This command requires an additional argument to specify either a pool name or session ID whose memory pool information is to be displayed. Each session is allocated a memory pool with the same name as the session ID. Use the onstat -g mem command to identify the pool name and the onstat -g ses command to identify the session ID.


Syntax:

>>-onstat-- -g--ffr--+-pool name-+-----------------------------><
                     '-sessionid-'

Example output

Figure 1. onstat -g ffr aio command output

Free lists for pool name aio:
addr      size      idx
165dcfa0  96        10
1659cf68  152       17
165b2f20  224       26
165c7f20  224       26
1666ec38  968       79
149f2ba0  1120      84

Output description

addr (hexadecimal): Memory address of the pool fragment.
size (decimal): Size, in bytes, of the pool fragment.
idx (decimal): For internal use. Index in the array of free list pointers.