nagios自带有性能监控工具nagiostats，安装在nagios路径的bin/下。直接运行即可看到主机、服务的检测频率，故障数量及比例等。举例如下：
Nagios Stats 3.0.3
Copyright (c) 2003-2008 Ethan Galstad (www.nagios.org)
Last Modified: 02-05-2013
License: GPL
CURRENT STATUS DATA
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Status File: /usr/local/nagios/var/status.dat
Status File Age: 0d 0h 0m 9s
Status File Version: 3.0.3
Program Running Time: 6d 17h 48m 34s
Nagios PID: 14400
Used/High/Total Command Buffers: 0 / 0 / 4096
Total Services: 1343
Services Checked: 1343
Services Scheduled: 1343
Services Actively Checked: 1343
Services Passively Checked: 0
Total Service State Change: 0.000 / 11.580 / 0.009 %
Active Service Latency: 0.001 / 4.541 / 0.451 sec
Active Service Execution Time: 0.007 / 6.723 / 0.202 sec
Active Service State Change: 0.000 / 11.580 / 0.009 %
Active Services Last 1/5/15/60 min: 379 / 927 / 1178 / 1343
Passive Service Latency: 0.000 / 0.000 / 0.000 sec
Passive Service State Change: 0.000 / 0.000 / 0.000 %
Passive Services Last 1/5/15/60 min: 0 / 0 / 0 / 0
Services Ok/Warn/Unk/Crit: 1343 / 0 / 0 / 0
Services Flapping: 0
Services In Downtime: 0
Total Hosts: 239
Hosts Checked: 239
Hosts Scheduled: 239
Hosts Actively Checked: 239
Host Passively Checked: 0
Total Host State Change: 0.000 / 0.000 / 0.000 %
Active Host Latency: 0.014 / 5.048 / 2.766 sec
Active Host Execution Time: 4.006 / 5.095 / 4.018 sec
Active Host State Change: 0.000 / 0.000 / 0.000 %
Active Hosts Last 1/5/15/60 min: 223 / 238 / 239 / 239
Passive Host Latency: 0.000 / 0.000 / 0.000 sec
Passive Host State Change: 0.000 / 0.000 / 0.000 %
Passive Hosts Last 1/5/15/60 min: 0 / 0 / 0 / 0
Hosts Up/Down/Unreach: 239 / 0 / 0
Hosts Flapping: 0
Hosts In Downtime: 0
Active Host Checks Last 1/5/15 min: 183 / 444 / 1135
Scheduled: 183 / 444 / 1133
On-demand: 0 / 0 / 2
Parallel: 183 / 444 / 1134
Serial: 0 / 0 / 0
Cached: 0 / 0 / 1
Passive Host Checks Last 1/5/15 min: 0 / 0 / 0
Active Service Checks Last 1/5/15 min: 494 / 1082 / 3209
Scheduled: 494 / 1082 / 3209
On-demand: 0 / 0 / 0
Cached: 0 / 0 / 0
Passive Service Checks Last 1/5/15 min: 0 / 0 / 0
External Commands Last 1/5/15 min: 0 / 0 / 0