Thread affinity module

Data type definition for Lua thread affinity module in the Lua API

Affinity Info

This structure is returned by getAffinityInfo function
It is similar to the C struct AffinityDomains

Membername	Comment
numberOfAffinityDomains	Total amount of affinity domains in the system
numberOfSocketDomains	Amount of affinity domains for CPU sockets in the system
numberOfNumaDomains	Amount of affinity domains for NUMA domains in the system
numberOfCacheDomains	Amount of affinity domains for LLC domains in the system
numberOfProcessorsPerSocket	Amount of hardware threads for each CPU socket in the system
numberOfCoresPerCache	Amount of physical CPU cores for each LLC in the system
numberOfProcessorsPerCache	Amount of hardware threads for each LLC in the system
domains	Membername Comment tag Tag identifiying the affinity domain numberOfCores Amount of physical CPU cores in the affinity domain numberOfProcessors Amount of hardware threads in the affinity domain processorList List with hardware thread IDs that are in the affinity domain

Function definitions for Lua thread affinity module in the Lua API

getAffinityInfo()

Get information about the affinity domains in the system

Direction	Data type(s)
Input Parameter	None
Returns	Affinity Info lua_affinityinfo

putAffinityInfo()

Frees C struct AffinityDomains. You can still use the lua_affinityinfo data structure
If you call getAffinityInfo function again after calling this function, the thread affinity information will be read again.

Direction	Data type(s)
Input Parameter	None
Returns	None

pinProcess(cpuID, silent)

Pins the current pocess to the given CPU ID

Direction	Data type(s)
Input Parameter	cpuID CPU to pin the process on silent Verbosity of pinning method
Returns	None

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