Feature Request: Pressure Stall Information (PSI) from linux hosts

[jeffland-consist]

I have come across the use case to collect pressure stall information from linux hosts (https://docs.kernel.org/accounting/psi.html).

It does not look like there is currently a supported receiver for this. I could imagine it's possible to scrape and convert to metrics manually with a little know how, or use the prometheus node_exporter (https://github.com/prometheus/node_exporter) which supports exposing this data to be scraped by the otel collector prometheus receiver. However, a built in solution is obviously much preferred in customer situations.

Is this something you think is realistic?

[atoulme]

@jeffland-consist please consider asking this in https://github.com/open-telemetry/opentelemetry-collector-contrib/ with an issue for the hostmetricsreceiver. This sounds like a valid enhancement.