[disjoint] Add CTL memory used/reserved metrics

[lplewa]

cont. #1430

Description

Checklist

• Code compiles without errors locally
• All tests pass locally
• CI workflows execute properly

• CI workflows, not executed per PR (e.g. Nightly), execute properly
• New tests added, especially if they will fail without my changes
• Added/extended example(s) to cover this functionality
• Extended the README/documentation
• All newly added source files have a license
• All newly added source files are referenced in CMake files
• Logger (with debug/info/... messages) is used
• All API changes are reflected in docs and def/map files, and are tested

[kswiecicki]

nit: You could comment out the name ctl tests that are disabled.
Or will they be filtered out with gtest filter when running CI?

[lplewa]

nit: You could comment out the name ctl tests that are disabled. Or will they be filtered out with gtest filter when running CI?

Its gtest feature - if you call test DISABLED it is disabled