This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.
This is the
expvar metricset of the Golang module.
Golang can expose its variables by the expvar API. With this metricset, you can collect all the expvar-exposed variables.
For a description of each field in the metricset, see the exported fields section.