Monitoring Per Core CPU Metrics

This article will help you get the Cpustats plugin for sd-agent configured and returning metrics

Installing the cpustats plugin package

Install the cpustats plugin on Debian/Ubuntu:

sudo apt-get install sd-agent-sd-cpu-stats

Install the cpustats plugin on RHEL/CentOS:

sudo yum install sd-agent-sd-cpu-stats

Read more about agent plugins.

Configuring the agent to monitor individual CPU Stats

The sd_cpu_stats check is automatically installed and configured with the agent. There are no configuration options available.

Verifying the configuration
Execute info to verify the configuration with the following:

sudo /etc/init.d/sd-agent info 

or

/usr/share/python/sd-agent/agent.py info

If the agent has been configured correctly you'll see an output such as:

cpustats
-----
  - instance #0 [OK]
  - Collected * metrics

You can also view the metrics returned with the following command:

sudo -u sd-agent /usr/share/python/sd-agent/agent.py check sd_cpu_stats

Configuring graphs

Click the name of your server from the Devices list in your Server Density account then go to the Metrics tab. Click the + Graph button on the right then choose the cpustats metrics to display the graphs. The metrics will also be available to select when building dashboard graphs.

Screen_Shot_2018-01-18_at_11.46.12.png

Monitored metrics

MetricValues
serverdensity.cpu.gnice

percent /
Type: float
serverdensity.cpu.guest

percent /
Type: float
serverdensity.cpu.idle

percent / millisecond
Type: float
serverdensity.cpu.iowait

percent /
Type: float
serverdensity.cpu.irq

percent /
Type: float
serverdensity.cpu.nice

percent /
Type: float
serverdensity.cpu.soft

percent /
Type: float
serverdensity.cpu.steal

percent /
Type: float
serverdensity.cpu.sys

percent /
Type: float
serverdensity.cpu.usr

percent /
Type: float
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