CPU Time - procfs - system

What it does #

This metric provider reads the total time spent in the CPU based on the system /proc/stat file.

Classname #

• CpuTimeProcfsSystemProvider

Metric Name #

• cpu_time_procfs_system

Input Parameters #

• args
  • -i: interval in milliseconds

By default the measurement interval is 100 ms.

./metric-provider-binary -i 100

Output #

This metric provider prints to Stdout a continuous stream of data. The format of the data is as follows:

TIMESTAMP READING

Where:

• TIMESTAMP: Unix timestamp, in microseconds
• READING:The time spent, in microseconds, by this container in the CPU

Any errors are printed to Stderr.

How it works #

The provider reads from /proc/stat. We collect user, nice, system, idle iowait, irq, softirq, steal (see definitions here), and add them together over the measurement period.