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Author image Jens Rehsack
and 2 contributors

NAME

Unix::Statgrab::sg_page_stats - container for libstatgrab paging statistics

DESCRIPTION

Unix::Statgrab::sg_page_stats is a Perl package name providing accessors to bundled libstatgrab sg_page_stats paging statistics.

METHODS

nentries

Returns the number of entries in the container.

systime

Returns the seconds since Epoch (0:00:00 on January, 1st 1970) of the time measure the paging statistics.

as_list

Deprecated alias of "fetchall_hash"

fetchall_hash

Returns all records from sg_page_stats container as list of hash containing each datum name as key and the datum as value.

fetchall_array

Returns all records from sg_page_stats container as list of arrays containing the values in following order:

  (pages_pagein pages_pageout systime)

in that order without leading headline.

fetchall_table

Returns all records from sg_page_stats container as list of arrays containing the values in following order:

  (pages_pagein pages_pageout systime)

in that order including leading headline.

fetchrow_arrayref($row = 0)

Returns one row as array containing values as above.

fetchall_arrayref

Returns all records from sg_page_stats container as array of arrays without header.

fetchrow_hashref($row = 0)

Returns one row as hash containing { pages_pagein => $self.pages_pagein($row), pages_pageout => ... }.

fetchall_hashref

Returns all records from sg_page_stats container as array of hashes.

colnames

Returns list of column names: (pages_pagein pages_pageout systime)

pages_pagein

The number of pages swapped into memory.

pages_pageout

The number of pages swapped out of memory (to swap).

get_page_stats_diff

Provides the difference between the last measurement and the recent one.

  $recent->get_page_stats_diff($last);

AUTHOR

Jens Rehsack, <rehsack AT cpan.org>

COPYRIGHT AND LICENSE

Copyright (C) 2012-2018 by Jens Rehsack

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.