Consolidation of idle virtual machines on idle logical processors

A computing system, comprising:

• at least one physical processor;
• a plurality of partitions operating in the computing system;
• a plurality of logical processors capable of hosting one or more of the plurality of partitions, each of the plurality of logical processors operating on the at least one physical processor;
• and
• a hypervisor, wherein the hypervisor is configured to:
• monitor utilization levels of the plurality of partitions and utilization levels of the plurality of logical processors operating on the at least one physical processor,
• determine that a subset of the plurality of partitions are idle based on the monitored utilization levels of the subset of the plurality of partitions being below a threshold,
• determine that a subset of logical processors of the plurality of logical processors are idle based on the monitored utilization levels of the subset of the plurality of logical processors being below an idle logical processor threshold percentage,
• schedule partitions of the subset of idle partitions on at least one of the logical processors in the subset of idle logical processors.

A computer readable storage device excluding signals per se tangibly embodying computer readable instructions of a hypervisor for execution in a computing environment comprising a plurality of logical processors and a plurality of partitions, the instructions comprising:

• instructions to monitor utilization levels of the plurality of partitions;
• instructions to monitor utilization levels of the plurality of logical processors;
• instructions to determine that a subset of the plurality of partitions are idle based on the utilization levels of the subset of the plurality of partitions being below a threshold;
• instructions to determine that a subset of logical processors of the plurality of logical processors are idle based on the monitored utilization levels of the subset of the plurality of logical processors being below an idle logical processor threshold percentage;
• instructions to schedule partitions of the subset of idle partitions on at least one of the logical processors in the subset of idle logical processors.