Processor Load balancing

Creator

Creator

Created

Created

2023 Oct 4 6:15

Editor

Editor

Edited

Edited

2023 Oct 24 15:35

Refs

Refs

Load balancing takes place between scheduling groups

Load balancing takes place within scheduling domain

Prevent CPUs from being idle

Keep the difference in numbers of ready tasks on all CPUs as small as possible

CPU Load (runqueue)

Load(RQ) = \sum_{T_i \text{ in RQ}} Load(T_i)

Load(T) = weight(T) \times \%CPU\_use(T)

Processor Load balancing Notion

Scheduling domain

Scheduling Group

Time-driven load balancing

Event-driven load balancing

notion image

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