feat: reduce the scheduler return content of the parent

[gaius-qi]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 52.50%. Comparing base (4aa12f8) to head (279d249).

Additional details and impacted files

[](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3349?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) ```diff @@ Coverage Diff @@ ## main #3349 +/- ## ========================================== - Coverage 52.58% 52.50% -0.09% ========================================== Files 192 192 Lines 20462 20428 -34 ========================================== - Hits 10760 10725 -35 Misses 8899 8899 - Partials 803 804 +1 ``` | [Flag](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3349/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3349/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | `52.50% <ø> (-0.09%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3349?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss) | Coverage Δ | | |---|---|---| | [scheduler/scheduling/scheduling.go](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3349?src=pr&el=tree&filepath=scheduler%2Fscheduling%2Fscheduling.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss#diff-c2NoZWR1bGVyL3NjaGVkdWxpbmcvc2NoZWR1bGluZy5nbw==) | `84.21% <ø> (+0.15%)` | :arrow_up: | ... and [3 files with indirect coverage changes](https://app.codecov.io/gh/dragonflyoss/Dragonfly2/pull/3349/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dragonflyoss)