/ 
Sys-Statistics-Linux-0.18
River stage one • 1 direct dependent • 1 total dependent
/ Sys::Statistics::Linux::MemStats

NAME

Sys::Statistics::Linux::MemStats - Collect linux memory informations.

SYNOPSIS

use Sys::Statistics::Linux::MemStats;

my $lxs   = new Sys::Statistics::Linux::MemStats;
my $meminfo = $lxs->get;

DESCRIPTION

Sys::Statistics::Linux::MemStats gathers memory statistics from the virtual /proc filesystem (procfs).

For more informations read the documentation of the front-end module Sys::Statistics::Linux.

MEMORY INFORMATIONS

Generated by /proc/meminfo.

memused      -  Total size of used memory in kilobytes.
memfree      -  Total size of free memory in kilobytes.
memusedper   -  Total size of used memory in percent.
memtotal     -  Total size of memory in kilobytes.
buffers      -  Total size of buffers used from memory in kilobytes.
cached       -  Total size of cached memory in kilobytes.
realfree     -  Total size of memory is real free (memfree + buffers + cached).
realfreeper  -  Total size of memory is real free in percent of total memory.
swapused     -  Total size of swap space is used is kilobytes.
swapfree     -  Total size of swap space is free in kilobytes.
swapusedper  -  Total size of swap space is used in percent.
swaptotal    -  Total size of swap space in kilobytes.

The following statistics are only available by kernels from 2.6.

slab         -  Total size of memory in kilobytes that used by kernel for data structure allocations.
dirty        -  Total size of memory pages in kilobytes that waits to be written back to disk.
mapped       -  Total size of memory in kilbytes that is mapped by devices or libraries with mmap.
writeback    -  Total size of memory that was written back to disk.

METHODS

new()

Call new() to create a new object.

my $lxs = new Sys::Statistics::Linux::MemStats;

get()

Call get() to get the statistics. get() returns the statistics as a hash reference.

my $meminfo = $lxs->get;

EXPORTS

No exports.

SEE ALSO

proc(5)

REPORTING BUGS

Please report all bugs to <jschulz.cpan(at)bloonix.de>.

AUTHOR

Jonny Schulz <jschulz.cpan(at)bloonix.de>.

COPYRIGHT

Copyright (c) 2006, 2007 by Jonny Schulz. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.