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Currently we always run kernel builds on AWS CodeBuild, which autoscales on demand. However, we still have to maintain bare metal self-hosted runners in order to run selftests. If builds always run on CodeBuild, then the provisioned runners are underutilized. Implement autoscaling logic in the set-matrix script: * query github about the status of self-hosted runners * if they are not busy, use them for builds * otherwise use CodeBuild The threshold is set at 80% of online suitable runners being busy.
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Currently we always run kernel builds on AWS CodeBuild, which autoscales on demand. However, we still have to maintain bare metal self-hosted runners in order to run selftests. If builds always run on CodeBuild, then the provisioned runners are underutilized.
Implement autoscaling logic in the set-matrix script:
The threshold is set at 80% of online suitable runners being busy.