| Name | Lines of code | Maintainability | Test coverage |
| avocado/utils/cpu.py | 541 | D 3 days | F 59% |
| avocado/utils/asset.py | 553 | C 1 day | B 88% |
| avocado/core/job.py | 574 | C 1 day | B 83% |
| avocado/utils/vmimage.py | 577 | D 1 day | D 65% |
| avocado/utils/external/spark.py | 580 | F 6 days | F 13% |
| avocado/utils/lv_utils.py | 581 | D 3 days | F 8% |
| selftests/functional/output.py | 582 | C 1 day | |
| avocado/core/output.py | 600 | C 1 day | B 81% |
| avocado/utils/service.py | 620 | D 2 days | B 83% |
| avocado/utils/gdb.py | 636 | D 1 day | F 30% |
| avocado/core/settings.py | 648 | D 2 days | A 90% |
| selftests/unit/utils/process.py | 691 | D 1 day | |
| selftests/check.py | 705 | F 3 days | |
| avocado/utils/network/interfaces.py | 707 | D 2 days | |
| avocado/core/test.py | 722 | F 3 days | D 68% |
| avocado/utils/process.py | 1,117 | F 4 days | C 76% |
| selftests/functional/basic.py | 1,296 | F 3 days |