DLPX-93500 LTS 24.04: Disable unneeded pmcd Performance Co-Pilot services

[palash-gandhi]

Problem

PCP is a framework that supplies the dstat package. It is no longer needed and the PCP framework causes a bunch of unwanted services to be enabled and running.

Solution

Remove dstat and thus pcp.

Testing Done

ab-pre-push: https://selfservice-jenkins.eng-tools-prd.aws.delphixcloud.com/job/appliance-build-orchestrator-pre-push/10516/

 $ ssh [email protected]
delphix@ip-10-110-211-130:~$ dpkg -l | grep dstat
delphix@ip-10-110-211-130:~$ dpkg -l | grep pcp
delphix@ip-10-110-211-130:~$ dpkg -l | grep Performance
ii  performance-diagnostics                                   1.0.0-1delphix.2025.02.26.21.23                                                                  amd64        eBPF-based Performance Diagnostic Tools
delphix@ip-10-110-211-130:~$ sudo systemctl | grep pcp
delphix@ip-10-110-211-130:~$ sudo systemctl | grep pm
delphix@ip-10-110-211-130:~$ sudo systemctl | grep PCP
delphix@ip-10-110-211-130:~$