CollectProcessMetrics periodically collects various metrics about the running process.

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.

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

DiskStats is the per process disk io stats.