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: 06-25-2008 License: GPL
CURRENT STATUS DATA
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
