SYSTEM_LOGICAL_PROCESSOR_INFORMATION is an array belonging to the GetLogicalProcessorInformation function. It contains information processor physical to logical call mapping and NUMA node sharing on NUMA systems. Each record in the array contains these relationship fields.

  • RelationProcessorCore -A mapping between physical and logical cores
  • RelationNumaNode - NUMA nodes shared between processors. On non-NUMA machines all processors share a single node.
  • RelationCache - The relationship between processor and caches and cache associativity
  • RelationProcessorPackage - A mapping between physical processors and sockets

CI Data

Category:OS - System Data Structure
Target Functionality:OS - CPU Management
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