CollectProcessMetrics periodically collects various metrics about the running process.

NewCounter create a new metrics Counter, either a real one of a NOP stub depending on the metrics flag.

NewMeter create a new metrics Meter, either a real one of a NOP stub depending on the metrics flag.

NewTimer create a new metrics Timer, either a real one of a NOP stub depending on the metrics flag.

ReadDiskStats retrieves the disk IO stats belonging to the current process.

Init enables or disables the metrics system.

MetricsEnabledFlag is the CLI flag name to use to enable metrics collections.

Enabled is the flag specifying if metrics are enable or not.

DiskStats is the per process disk io stats.