Go runtime metrics

Go runtime metrics are gathered from the standard library’s runtime package and reported by the library on interval. Reporting is enabled by default and make available the metrics described below. To disable reporting, refer to the option SW_APM_RUNTIME_METRICS in Configure the Go Library.

Metric	Description
trace.go.runtime.*	Go runtime statistics data, including number of goroutines and number of Cgo calls.
trace.go.gc.*	Go garbage collection details.
trace.go.memory.*	Heap and non-heap memory details.