Use the sar -r command to report the number of memory pages and swap-file disk blocks that are currently unused.
$ sar -r 00:00:00 freemem freeswap 01:00:00 2135 401922 |
The following list describes the output from the -r option.
The average number of memory pages that are available to user processes over the intervals sampled by the command. Page size is machine-dependent.
The number of 512-byte disk blocks that are available for page swapping.
The following example shows output from the sar -r command.
$ sar -r SunOS balmyday 5.10 s10_51 sun4u 03/18/2004 00:00:04 freemem freeswap 01:00:00 44717 1715062 02:00:01 44733 1715496 03:00:00 44715 1714746 04:00:00 44751 1715403 05:00:00 44784 1714743 06:00:00 44794 1715186 07:00:00 44793 1715159 08:00:00 44786 1714914 08:20:00 44805 1715576 08:40:01 44797 1715347 09:00:00 44761 1713948 09:20:00 44802 1715478 09:40:00 41770 1682239 10:00:00 35401 1610833 10:20:00 34295 1599141 10:40:00 33943 1598425 11:00:00 30500 1561959 Average 43312 1699242 |