[CIT-466] Protoype & Draft : Use collectd for system test measurements

[abelikt]

Proposed changes

This PR would enable performance measurements with collectd that one can run with pysys. So far it wasn't merged into main as it needs a different collectd configuration. It also wasn't clear if using collectd in thin-edge and using it for performance has side effects. Before merging, we should investigate to find out if we have sideefects.

Current state: prototype code with cloned changes from Michaels feature/CIT-466-collectd-recording branch

Types of changes

What types of changes does your code introduce to thin-edge.io? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Improvement (general improvements like code refactoring that doesn't explicitly fix a bug or add any new functionality)
• [ ] Documentation Update (if none of the other choices apply)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Paste Link to the issue

https://cumulocity.atlassian.net/browse/CIT-466

Checklist

• [ ] I have read the CONTRIBUTING doc
• [x] I have signed the CLA (in all commits with git commit -s)
• [ ] I ran cargo fmt as mentioned in CODING_GUIDELINES
• [ ] I used cargo clippy as mentioned in CODING_GUIDELINES
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)

[codecov-commenter]

Codecov Report

Merging #459 (0e76c18) into main (f463f01) will increase coverage by 0.04%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #459      +/-   ##
==========================================
+ Coverage   63.02%   63.07%   +0.04%     
==========================================
  Files         112      112              
  Lines        7007     7184     +177     
==========================================
+ Hits         4416     4531     +115     
- Misses       2591     2653      +62     

Impacted Files	Coverage Δ
tedge/src/cli/connect/common_mosquitto_config.rs	97.46% <0.00%> (-0.16%)	:arrow_down:
tedge/src/cli/connect/command.rs	0.00% <0.00%> (ø)
tedge/src/cli/config/config_key.rs	0.00% <0.00%> (ø)
tedge_config/tests/test_tedge_config.rs	88.19% <0.00%> (+0.11%)	:arrow_up:
sm/plugin_sm/src/plugin_manager.rs	45.63% <0.00%> (+1.94%)	:arrow_up:
tedge_config/src/tedge_config.rs	43.33% <0.00%> (+3.18%)	:arrow_up:

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[abelikt]

Note: Before merging, we should investigate to find out if we have sideeffects (see description).

[didier-wenzek]

Closing as being no more a priority.