mmtests/stressng-context
stress-ng context stressor measuring context switching throughput.
Benchmark Profile
Type: Micro
Kernel subsystem: Scheduler, context switching
Coverage: Directly measured
Topology: Single role: executer
Overview
Runs the stress-ng context stressor through mmtests to force rapid context switches between tasks. Sensitive to scheduler, task switch, and CPU topology changes.
Fastpath Parameters
Name |
Description |
|---|---|
config-base |
Base mmtests configuration file. |
config |
Additional mmtests configuration overrides, including STRESSNG_ITERATIONS. |
performance-governor |
Whether to request the performance CPU governor before running the mmtests workload. |
Result Classes
Result class names follow stress-ng mmtests conventions and encode the reported context switching metric.
Fastpath Metadata
Field |
Value |
|---|---|
Suite |
mmtests |
Name |
stressng-context |
Type |
stress |
Container Image |
registry.gitlab.arm.com/tooling/fastpath/containers/mmtests:v1.1 |
Documentation Path |
documentation/user-guide/benchmarkcatalog/mmtests-stressng-context.rst |
Documentation URL |
https://fastpath.docs.arm.com/user-guide/benchmarkcatalog/mmtests-stressng-context.html |