NAME
Unix::Statgrab::sg_disk_io_stats - container for libstatgrab disk I/O statistics
DESCRIPTION
Unix::Statgrab::sg_disk_io_stats
is a Perl package name providing accessors to bundled libstatgrab sg_disk_io_stats disk I/O 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 disk I/O statistics.
as_list
Deprecated alias of "fetchall_hash"
fetchall_hash
Returns all records from sg_disk_io_stats container as list of hash containing each datum name as key and the datum as value.
fetchall_array
Returns all records from sg_disk_io_stats container as list of arrays containing the values in following order:
(disk_name read_bytes write_bytes systime)
in that order without leading headline.
fetchall_table
Returns all records from sg_disk_io_stats container as list of arrays containing the values in following order:
(disk_name read_bytes write_bytes systime)
in that order including leading headline.
fetchrow_arrayref($row = 0)
Returns one row as array containing values as above.
fetchall_arrayref
Returns all records from sg_disk_io_stats container as array of arrays without header.
fetchrow_hashref($row = 0)
Returns one row as hash containing { disk_name => $self.disk_name($row), read_bytes => ... }
.
fetchall_hashref
Returns all records from sg_disk_io_stats container as array of hashes.
colnames
Returns list of column names: (disk_name read_bytes write_bytes systime)
disk_name
Name of the disk device of the I/O statistics
read_bytes
Bytes read from disk
write_bytes
Bytes written to disk
get_disk_io_stats_diff
Provides the difference between the last measurement and the recent one.
$recent->get_disk_io_stats_diff($last);
AUTHOR
Jens Rehsack, <rehsack AT cpan.org>
COPYRIGHT AND LICENSE
Copyright (C) 2012-2015 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.