[receiver/hostmetrics]process.cpu.utilization not scraped when process.cpu.time is disabled

[rubenruizdegauna]

Component(s)

receiver/hostmetrics

What happened?

Description

process.cpu.utilization optional metric is not scraped if process.cpu.time is disabled.

Steps to Reproduce

Enable hostmetricsreceiver with process.cpu.time disabled and process.cpu.utilization enabled:

receivers:
  hostmetrics:
    collection_interval: 20s
    scrapers:
      process:
        metrics:
          process.cpu.utilization:
            enabled: true
          process.cpu.time:
            enabled: false

Expected Result

process.cpu.utilization metric should be sent.

Actual Result

process.cpu.utilization metric is not sent.

Collector version

5fff104

Environment information

Environment

OS: Ubuntu 20.04, Macos 13.4
Compiler: go 19.1

OpenTelemetry Collector configuration

receivers:
  hostmetrics:
    collection_interval: 20s
    scrapers:
      process:
        metrics:
          process.cpu.utilization:
            enabled: true
          process.cpu.time:
            enabled: false

Log output

No response

Additional context

While debugging this I created a PR that fixes the bug. Feel free to review and merge it :)

#23451

[github-actions]

Pinging code owners:

• receiver/hostmetrics: @dmitryax

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[dmitryax]

Fixed in #23451