hardware

Documentation

Index

• Constants
• func GetDeviceAlignedCPUs(pciAddress string) ([]int, error)
• func GetDeviceNumaNode(pciAddress string) (*uint32, error)
• func GetNumaNodeCPUList(numaNode int) ([]int, error)
• func GetNumberOfVCPUs(cpuSpec *v1.CPU) int64
• func LookupDeviceVCPUAffinity(pciAddress string, domainSpec *api.DomainSpec) ([]uint32, error)
• func ParseCPUSetLine(cpusetLine string, limit int) (cpusList []int, err error)
• func ParsePciAddress(pciAddress string) ([]string, error)

Constants

const (
	PCI_ADDRESS_PATTERN = `^([\da-fA-F]{4}):([\da-fA-F]{2}):([\da-fA-F]{2})\.([0-7]{1})$`
)

Functions

func GetDeviceAlignedCPUs

func GetDeviceAlignedCPUs(pciAddress string) ([]int, error)

func GetDeviceNumaNode

func GetDeviceNumaNode(pciAddress string) (*uint32, error)

func GetNumaNodeCPUList

func GetNumaNodeCPUList(numaNode int) ([]int, error)

func GetNumberOfVCPUs

func GetNumberOfVCPUs(cpuSpec *v1.CPU) int64

GetNumberOfVCPUs returns number of vCPUs It counts sockets*cores*threads

func LookupDeviceVCPUAffinity

func LookupDeviceVCPUAffinity(pciAddress string, domainSpec *api.DomainSpec) ([]uint32, error)

func ParseCPUSetLine

func ParseCPUSetLine(cpusetLine string, limit int) (cpusList []int, err error)

Parse linux cpuset into an array of ints See: http://man7.org/linux/man-pages/man7/cpuset.7.html#FORMATS

func ParsePciAddress

func ParsePciAddress(pciAddress string) ([]string, error)

ParsePciAddress returns an array of PCI DBSF fields (domain, bus, slot, function)