Offer a process memory utilization metric

[thompson-tomo]

Area(s)

area:process

What's missing?

A metric defining memory utilization for the process as defined in host receiver https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/receiver/hostmetricsreceiver/internal/scraper/processscraper/documentation.md

Describe the solution you'd like

Define the metric in semconv based upon the existing implementation and complement the usage metric.

Tip

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