# Variables
CacheSizeHistogram tracks the number of entries in connection cache.
ConnectionCountHistogram tracks the number of connections returned by each syscall.
ErrorCount measures the number of errors Provides metrics: tcpinfo_Error_Count Example usage: metrics.ErrorCount.With(prometheus.Labels{"type", "foobar"}).Inc().
NewFileCount counts the number of connection files written.
SyscallTimeHistogram tracks the latency in the syscall.