1Unix::Statgrab::sg_cpu_UssteartsC(o3n)tributed Perl DocuUmneinxt:a:tSitoantgrab::sg_cpu_stats(3)
2
3
4

NAME

6       Unix::Statgrab::sg_cpu_stats - container for libstatgrab CPU statistics
7

DESCRIPTION

9       "Unix::Statgrab::sg_cpu_stats" is a Perl package name providing
10       accessors to bundled libstatgrab sg_cpu_stats <http://www.i-
11       scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> data collection.
12

METHODS

14   nentries
15       Returns the number of entries in the container.
16
17   systime
18       Returns the seconds since Epoch (0:00:00 on January, 1st 1970) of the
19       time measure the CPU statistics.
20
21   as_list
22       Deprecated alias of "fetchall_hash"
23
24   fetchall_hash
25       Returns all records from sg_cpu_stats <http://www.i-
26       scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> container as list
27       of hash containing each datum name as key and the datum as value.
28
29   fetchall_array
30       Returns all records from sg_cpu_stats <http://www.i-
31       scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> container as list
32       of arrays containing the values in following order:
33
34         (user kernel idle iowait swap nice total
35          context_switches voluntary_context_switches involuntary_context_switches
36          syscalls interrupts soft_interrupts
37          systime)
38
39       in that order without leading headline.
40
41   fetchall_table
42       Returns all records from sg_cpu_stats <http://www.i-
43       scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> container as list
44       of arrays containing the values in following order:
45
46         (user kernel idle iowait swap nice total
47          context_switches voluntary_context_switches involuntary_context_switches
48          syscalls interrupts soft_interrupts
49          systime)
50
51       in that order including leading headline.
52
53   fetchrow_arrayref($row = 0)
54       Returns one row as array containing values as above.
55
56   fetchall_arrayref
57       Returns all records from sg_cpu_stats <http://www.i-
58       scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> container as array
59       of arrays without header.
60
61   fetchrow_hashref($row = 0)
62       Returns one row as hash containing "{ user => $self.user($row), kernel
63       => ... }".
64
65   fetchall_hashref
66       Returns all records from sg_cpu_stats <http://www.i-
67       scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> container as array
68       of hashes.
69
70   colnames
71       Returns list of column names: "(user kernel idle iowait swap nice total
72       context_switches voluntary_context_switches
73       involuntary_context_switches syscalls interrupts soft_interrupts
74       systime)"
75
76   user
77       Clock ticks in user mode
78
79   kernel
80       Clock ticks in kernel mode
81
82   idle
83       Clock ticks while idle
84
85   iowait
86       Clock ticks while waiting for outstanding I/O
87
88   swap
89       Clock ticks while waiting for swap
90
91   nice
92       Clock ticks in user mode with nice priority
93
94   total
95       Overall clock ticks
96
97   context_switches
98       Overall Context switches
99
100   voluntary_context_switches
101       Voluntary context switches (See sched_yield(2)
102       <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_yield.html>)
103
104   involuntary_context_switches
105       Involuntary context switches
106
107   syscalls
108       Number of syscalls
109
110   interrupts
111       Amount of interrupts happened
112
113   soft_interrupts
114       Amount of software triggered interrupts
115
116   get_cpu_stats_diff
117       Provides the difference between the last measurement and the recent
118       one.
119
120         $recent->get_cpu_stats_diff($last);
121
122   get_cpu_percents
123       Provides a percentage representation of the single cpu ticks measured.
124

AUTHOR

126       Jens Rehsack, <rehsack AT cpan.org>
127

129       Copyright (C) 2012-2018 by Jens Rehsack
130
131       This library is free software; you can redistribute it and/or modify it
132       under the terms of the GNU Lesser General Public License as published
133       by the Free Software Foundation; either version 2.1 of the License, or
134       (at your option) any later version.
135
136
137
138perl v5.34.0                      2021-07-27   Unix::Statgrab::sg_cpu_stats(3)
Impressum