Description of problem:
Create gear on the node, make sure the watchman is running.
Use some shell script to use high cpu on the gear, check the /var/log/messages and cannot find the gear being throttled.

Version-Release number of selected component (if applicable):
fork_ami_origin_node_374_985

How reproducible:
always

Steps to Reproduce:
1. Create a gear on the node
2. Use shell script to burn the cpu
$ dd of=/dev/null if=/dev/zero
3. Check if the gear is throttled

Actual results:
The gear will not be throttled here

Expected results:
The gear should be throttled since abuse

Additional info:
The watchman is running and the throttle_plugin is there,

[root@ip-10-30-170-99 ~]# ps -ef|grep watchman
root      6208     1  0 05:26 ?        00:00:03 watchman                                   
root     28845  3716  0 05:50 pts/0    00:00:00 scl enable ruby193 ruby /usr/sbin/oo-watchman 
root     28850 28847 15 05:50 pts/0    00:00:01 ruby /usr/sbin/oo-watchman
root     28880  3716  0 05:50 pts/0    00:00:00 grep watchman



[root@ip-10-30-170-99 ~]# cat /var/log/messages
Jan 14 05:26:39 ip-10-30-170-99 watchman[6208]: Starting throttler => throttle at: 30.00%, restore at: 70.00%, period: 120, check_interval: 5.00
Jan 14 05:26:39 ip-10-30-170-99 watchman[6208]: Starting Watchman => delay: 20s
Jan 14 05:50:29 ip-10-30-170-99 oo-watchman[28850]: Starting throttler => throttle at: 30.00%, restore at: 70.00%, period: 120, check_interval: 5.00
Jan 14 05:50:29 ip-10-30-170-99 oo-watchman[28850]: Starting Watchman => delay: 20s

[root@ip-10-30-170-99 ~]# ls /etc/openshift/watchman/plugins.d/
jboss_plugin.rb  monitored_gear.rb  stop_lock_plugin.rb  syslog_plugin.rb  throttler_plugin.rb