8313083: Print 'rss' and 'cache' as part of the container information

[jmtd]

Low risk, Oracle parity. Improves diagnostic output. Includes test modifications to cover the new diagnostics.

Included test hotspot/test/runtime/containers/docker/TestMisc.java passes for me.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8313083 needs maintainer approval

Integration blocker

 ⚠️ Dependency #725 must be integrated first

Issue

• JDK-8313083: Print 'rss' and 'cache' as part of the container information (Enhancement - P3)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk8u-dev.git pull/726/head:pull/726
$ git checkout pull/726

Update a local copy of the PR:
$ git checkout pull/726
$ git pull https://git.openjdk.org/jdk8u-dev.git pull/726/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 726

View PR using the GUI difftool:
$ git pr show -t 726

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk8u-dev/pull/726.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back jdowland! A progress list of the required criteria for merging this PR into pr/725 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[jmtd]

hotspot/test/runtime/containers/docker/TestMisc.java failing for me at the moment. Investigating... (edit: resolved)

[mlbridge]

Webrevs

• 00: Full (0be5b9f2)