System:getSwapInfo

Method

Purpose

This method (on Mac OS X) returns information on the utilization of system swap space.

Type

Synchronous, IMPACT_INFO.

Arguments

None.

Returns

 

Name

Type

Description

Page Size

Long

The size of a page in bytes

Page Free

Long

The total number of free pages in the system

Page Active

Long

The total number of pages currently in use and pageable

Page Inactive

Long

The total number of pages on the inactive list

Page Wired Down

Long

The total number of pages that cannot be paged out

Page Copy-On-Write

Long

The number of faults that caused a page to be copied

Page Reactivated

Long

The total number of pages that have been moved from the inactive list to the active list

Pageins

Long

The number of requests for pages from a pager

Pageouts

Long

The number of pages that have been paged out

Hit Rate

Double

The percentage of page hits over page lookup