# Functions
NewBuildInfoCollector returns a collector collecting a single metric "go_build_info" with the constant value 1 and three labels "path", "version", and "checksum".
NewDBStatsCollector returns a collector that exports metrics about the given *sql.DB.
NewExpvarCollector returns a newly allocated expvar Collector.
NewGoCollector returns a collector that exports metrics about the current Go process.
NewProcessCollector returns a collector which exports the current state of process metrics including CPU, memory and file descriptor usage as well as the process start time.
# Structs
ProcessCollectorOpts defines the behavior of a process metrics collector created with NewProcessCollector.