1Unix::Statgrab::sg_cpu_UssteartsC(o3n)tributed Perl DocuUmneinxt:a:tSitoantgrab::sg_cpu_stats(3)
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6 Unix::Statgrab::sg_cpu_stats - container for libstatgrab CPU statistics
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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.
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14 nentries
15 Returns the number of entries in the container.
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17 systime
18 Returns the seconds since Epoch (0:00:00 on January, 1st 1970) of the
19 time measure the CPU statistics.
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21 as_list
22 Deprecated alias of "fetchall_hash"
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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.
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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:
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34 (user kernel idle iowait swap nice total
35 context_switches voluntary_context_switches involuntary_context_switches
36 syscalls interrupts soft_interrupts
37 systime)
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39 in that order without leading headline.
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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:
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46 (user kernel idle iowait swap nice total
47 context_switches voluntary_context_switches involuntary_context_switches
48 syscalls interrupts soft_interrupts
49 systime)
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51 in that order including leading headline.
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53 fetchrow_arrayref($row = 0)
54 Returns one row as array containing values as above.
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56 fetchall_arrayref
57 Returns all records from sg_cpu_stats <http://www.i-
58 scream.org/libstatgrab/docs/sg_get_cpu_stats.3.html> container as array
59 of arrays without header.
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61 fetchrow_hashref($row = 0)
62 Returns one row as hash containing "{ user => $self.user($row), kernel
63 => ... }".
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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.
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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)"
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76 user
77 Clock ticks in user mode
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79 kernel
80 Clock ticks in kernel mode
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82 idle
83 Clock ticks while idle
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85 iowait
86 Clock ticks while waiting for outstanding I/O
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88 swap
89 Clock ticks while waiting for swap
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91 nice
92 Clock ticks in user mode with nice priority
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94 total
95 Overall clock ticks
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97 context_switches
98 Overall Context switches
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100 voluntary_context_switches
101 Voluntary context switches (See sched_yield(2)
102 <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_yield.html>)
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104 involuntary_context_switches
105 Involuntary context switches
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107 syscalls
108 Number of syscalls
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110 interrupts
111 Amount of interrupts happened
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113 soft_interrupts
114 Amount of software triggered interrupts
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116 get_cpu_stats_diff
117 Provides the difference between the last measurement and the recent
118 one.
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120 $recent->get_cpu_stats_diff($last);
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122 get_cpu_percents
123 Provides a percentage representation of the single cpu ticks measured.
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126 Jens Rehsack, <rehsack AT cpan.org>
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129 Copyright (C) 2012-2018 by Jens Rehsack
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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.
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138perl v5.34.0 2021-07-27 Unix::Statgrab::sg_cpu_stats(3)