This file is indexed.

/usr/share/check_mk/checks/cpu is in check-mk-server 1.2.6p12-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# ails.  You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.

# Output is taken from /proc/loadavg plus the number of cores:
# 0.26 0.47 0.52 2/459 19531 4


cpuload_default_levels = (5.0, 10.0)
threads_default_levels = (2000, 4000)

def inventory_cpu_load(info):
    if len(info) == 1 and len(info[0]) >= 5:
        return [(None, "cpuload_default_levels")]

def check_cpu_load(item, params, info):
    if len(info[0]) >= 6:
        num_cpus = int(info[0][5])
    else:
        num_cpus = 1

    load = map(float, info[0][0:3])
    return check_cpu_load_generic(params, load, num_cpus)


def inventory_cpu_threads(info):
    if len(info) == 1 and len(info[0]) >= 5:
        return [(None, "", "threads_default_levels")]

def check_cpu_threads(item, params, info):
    try:
        nthreads = int(info[0][3].split('/')[1])
    except:
        return (3, "invalid output from plugin")
    warn, crit = params
    perfdata = [('threads', nthreads, warn, crit, 0 )]
    if nthreads >= crit:
        return (2, "%d threads (critical at %d)" % (nthreads, crit), perfdata)
    elif nthreads >= warn:
        return (1, "%d threads (warning at %d)" % (nthreads, warn), perfdata)
    else:
        return (0, "%d threads" % (nthreads,), perfdata)

check_info["cpu.loads"] = {
    "check_function"          : check_cpu_load,
    "inventory_function"      : inventory_cpu_load,
    "service_description"     : "CPU load",
    "has_perfdata"            : True,
    "group"                   : "cpu_load",
    "includes"                : ["cpu_load.include"],
}

check_info["cpu.threads"] = {
    "check_function"        : check_cpu_threads,
    "inventory_function"    : inventory_cpu_threads,
    "service_description"   : "Number of threads",
    "has_perfdata"          : True,
    "group"                 : "threads",
}