Stress-ng
Stress-ng is designed to exercise various physical subsystems of a computer as well as the various operating system kernel interfaces. The workload was originally intended to make a machine work hard and trip hardware issues such as thermal overruns as well as operating system bugs that only occur when a system is being "thrashed" hard.
What is Being Measured?
The Stress-ng workload is designed to measure test throughput rates. This can be useful to observe performance changes across different operating system releases or types of hardware.
Workload Metrics
The following metrics are examples of those captured by the Virtual Client when running the Stress-ng workload.
| Metric Name | Example Value (min) | Example Value (max) | Example Value (avg) | Unit |
|---|---|---|---|---|
| cpu-bogo-ops | 127547.0 | 154149.0 | 143854.0520109837 | BogoOps |
| cpu-bogo-ops-per-second-real-time | 2125.201814 | 2568.771695 | 2396.355623708609 | BogoOps/s |
| cpu-bogo-ops-per-second-usr-sys-time | 138.15239 | 162.927536 | 151.7284266787272 | BogoOps/s |
| cpu-system-time | 0.01 | 1.22 | 0.26765912762520197 | second |
| cpu-user-time | 894.69 | 958.66 | 947.796421647819 | second |
| cpu-wall-clock-time | 60.006434 | 60.068574 | 60.03039786962844 | second |