[Backport 2024.1] feature(artifact_test): testing the output of perftune.py

[mergify]

perftune.py is a script within seastar (which is a part of scylla_setup) that configures several system parameters, like the amount of CPU cores that are designated to handle IRQ, and which are not.

Ref: https://github.com/scylladb/scylla-enterprise/issues/2909

Replacement of #6192

Testing

• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/artifacts-docker-test/34/
• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/artifacts-ami-test/16/
• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/artifacts-azure-image-test/52/
• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/artifacts-gce-image-test/4/
• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/artifacts-ami-arm-test/5/
• 🟢 https://jenkins.scylladb.com/job/scylla-staging/job/fruch/job/artifacts-rocky8-test/14/

PR pre-checks (self review)

• I added the relevant backport labels
• I didn't leave commented-out/debugging code

Reminders

• Add New configuration option and document them (in sdcm/sct_config.py)
• Add unit tests to cover my changes (under unit-test/ folder)
• Update the Readme/doc folder relevant to this change (if needed)

(cherry picked from commit a954770)

Parent PR: #8788

[mergify]

Cherry-pick of a954770 has failed:

On branch mergify/bp/branch-2024.1/pr-8788
Your branch is up to date with 'origin/branch-2024.1'.

You are currently cherry-picking commit a95477090.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   defaults/severities.yaml
	modified:   sdcm/sct_events/system.py
	new file:   sdcm/utils/perftune_validator.py

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   artifacts_test.py
	both modified:   sdcm/cluster.py

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[fruch]

moved to draft, so we won't merge those until tested

[fruch]

depedns on #9184 to be backported