/usr/share/check_mk/checks/cpu is in check-mk-server 1.2.2p3-1.
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 82 83 84 85 86 87 88 89 90 91 | #!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# | ____ _ _ __ __ _ __ |
# | / ___| |__ ___ ___| | __ | \/ | |/ / |
# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
# | | |___| | | | __/ (__| < | | | | . \ |
# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
# | |
# | Copyright Mathias Kettner 2013 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, 10)
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):
load = []
for i in [ 0, 1, 2 ]:
load.append(float(info[0][i]))
if len(info[0]) >= 6:
num_cpus = int(info[0][5])
else:
num_cpus = 1
warn, crit = params # apply on 15min average, relative to number of CPUs
warn = warn * num_cpus
crit = crit * num_cpus
perfdata = [ ('load' + str(z), l, warn, crit, 0, num_cpus ) for (z,l) in [ (1,load[0]), (5,load[1]), (15, load[2]) ] ]
if load[2] >= crit:
return (2, "CRIT - 15min load %.2f at %s CPUs (critical at %.2f)" % (load[2], num_cpus, crit), perfdata)
elif load[2] >= warn:
return (1, "WARN - 15min load %.2f at %s CPUs (warning at %.2f)" % (load[2], num_cpus, warn), perfdata)
else:
return (0, "OK - 15min load %.2f at %s CPUs" % (load[2], num_cpus), perfdata)
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, "UNKNOWN - invalid output from plugin")
warn, crit = params
perfdata = [('threads', nthreads, warn, crit, 0 )]
if nthreads >= crit:
return (2, "CRIT - %d threads (critical at %d)" % (nthreads, crit), perfdata)
elif nthreads >= warn:
return (1, "WARN - %d threads (warning at %d)" % (nthreads, warn), perfdata)
else:
return (0, "OK - %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",
}
check_info["cpu.threads"] = {
"check_function" : check_cpu_threads,
"inventory_function" : inventory_cpu_threads,
"service_description" : "Number of threads",
"has_perfdata" : True,
"group" : "threads",
}
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