checks/winperf

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 #
  13 # This file is part of Check_MK.
  14 # The official homepage is at http://mathias-kettner.de/check_mk.
  15 #
  16 # check_mk is free software;  you can redistribute it and/or modify it
  17 # under the  terms of the  GNU General Public License  as published by
  18 # the Free Software Foundation in version 2.  check_mk is  distributed
  19 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  20 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  21 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  22 # tails. You should have  received  a copy of the  GNU  General Public
  23 # License along with GNU Make; see the file  COPYING.  If  not,  write
  24 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  25 # Boston, MA 02110-1301 USA.
  26
  27
  28 def inventory_win_cpuusage(info):
  29     for line in info:
  30         try:
  31             if line[0] == '238:6':
  32                 return [(None, {})]
  33         except:
  34             pass
  35
  36
  37 def check_win_cpuusage(item, params, info):
  38     if isinstance(params, tuple):
  39         warn, crit = params
  40     elif isinstance(params, dict):
  41         warn, crit = params['levels']
  42     else:  # legacy: old params may be None
  43         warn, crit = None, None
  44
  45     for line in info:
  46         if line[0] == '238:6':
  47             this_time = int(float(line[1]))
  48             # Windows sends one counter for each CPU plus one counter that
  49             # I've forgotton what's it for (idle?)
  50             num_cpus = len(line) - 4
  51             overall_perc = 0
  52             for cpu in range(0, num_cpus):
  53                 ticks = int(line[2 + cpu])
  54                 ticks_per_sec = get_rate("cpuusage.%d" % cpu, this_time, ticks)
  55                 secs_per_sec = ticks_per_sec / 10000000.0
  56                 used_perc = 100 * (1 - secs_per_sec)
  57                 overall_perc += used_perc
  58
  59             used_perc = overall_perc / num_cpus
  60             if used_perc < 0:
  61                 used_perc = 0
  62             elif used_perc > 100:
  63                 used_perc = 100
  64
  65             if num_cpus == 1:
  66                 num_txt = ""
  67             else:
  68                 num_txt = " / %d CPUs" % num_cpus
  69
  70             infotext = "%d%% used%s" % (int(used_perc), num_txt)
  71             state = 0
  72             if crit is not None and used_perc >= crit:
  73                 state = 2
  74             elif warn is not None and used_perc >= warn:
  75                 state = 1
  76             if state:
  77                 infotext += " (warn/crit at %s/%s)" % (get_percent_human_readable(warn),
  78                                                        get_percent_human_readable(crit))
  79             return state, infotext, [("cpuusage", "%.2f" % used_perc, warn, crit, 0, 100)]
  80     return (3, "counter for cpu (238:6) not found")
  81
  82
  83 def inventory_win_diskstat(info):
  84     for line in info:
  85         try:
  86             if line[0] == '2:16' or line[0] == '2:18':
  87                 return [(None, None, None)]
  88         except:
  89             pass
  90     return []
  91
  92
  93 def check_win_diskstat(item, params, info):
  94     read_bytes_ctr = 0
  95     write_bytes_ctr = 0
  96     this_time = None
  97     for line in info:
  98         if line[0] == '2:16':
  99             read_bytes_ctr = int(line[2])
 100         elif line[0] == '2:18':
 101             write_bytes_ctr = int(line[2])
 102             this_time = int(float(line[1]))
 103             break
 104
 105     if not this_time:
 106         return
 107
 108     try:
 109         read_per_sec = get_rate("diskstat.read", this_time, read_bytes_ctr)
 110         write_per_sec = get_rate("diskstat.write", this_time, write_bytes_ctr)
 111     except MKCounterWrapped, e:
 112         # make sure that inital check does not need three cycles for all counters
 113         # to be initialized
 114         get_rate("diskstat.write", this_time, write_bytes_ctr)
 115         raise e
 116
 117     perfdata = [("read", "%dc" % read_bytes_ctr), ("write", "%dc" % write_bytes_ctr)]
 118     return (
 119         0,
 120         "reading %.1f MB/s, writing %.1f MB/s" % (read_per_sec / 1048576, write_per_sec / 1048576),
 121         perfdata)
 122
 123
 124 check_info["winperf.cpuusage"] = {
 125     'check_function': check_win_cpuusage,
 126     'inventory_function': inventory_win_cpuusage,
 127     'service_description': 'CPU Usage',
 128     'has_perfdata': True,
 129     'default_levels_variable': 'winperf_cpu_default_levels',
 130     'includes': ["winperf.include"],
 131 }
 132
 133 check_info["winperf.diskstat"] = {
 134     'check_function': check_win_diskstat,
 135     'inventory_function': inventory_win_diskstat,
 136     'service_description': 'Disk IO',
 137     'has_perfdata': True,
 138 }