kubernetes/vendor/github.com/google/cadvisor/utils/sysinfo/sysinfo.go

var schedulerRegExp …

var nodeDirRegExp …

var cpuDirRegExp …

var memoryCapacityRegexp …

var cpusPath …

const cacheLevel2 …

const hugepagesDir …

// Get information about block devices present on the system.
// Uses the passed in system interface to retrieve the low level OS information.
func GetBlockDeviceInfo(sysfs sysfs.SysFs) (map[string]info.DiskInfo, error) { … }

// Get information about network devices present on the system.
func GetNetworkDevices(sysfs sysfs.SysFs) ([]info.NetInfo, error) { … }

// GetHugePagesInfo returns information about pre-allocated huge pages
// hugepagesDirectory should be top directory of hugepages
// Such as: /sys/kernel/mm/hugepages/
func GetHugePagesInfo(sysFs sysfs.SysFs, hugepagesDirectory string) ([]info.HugePagesInfo, error) { … }

// GetNodesInfo returns information about NUMA nodes and their topology
func GetNodesInfo(sysFs sysfs.SysFs) ([]info.Node, int, error) { … }

func getCPUTopology(sysFs sysfs.SysFs) ([]info.Node, int, error) { … }

func getCpusByPhysicalPackageID(sysFs sysfs.SysFs, cpusPaths []string) (map[int][]string, error) { … }

// addCacheInfo adds information about cache for NUMA node
func addCacheInfo(sysFs sysfs.SysFs, node *info.Node) error { … }

// getNodeMemInfo returns information about total memory for NUMA node
func getNodeMemInfo(sysFs sysfs.SysFs, nodeDir string) (uint64, error) { … }

// getDistances returns information about distances between NUMA nodes
func getDistances(sysFs sysfs.SysFs, nodeDir string) ([]uint64, error) { … }

// getCoresInfo returns information about physical cores
func getCoresInfo(sysFs sysfs.SysFs, cpuDirs []string) ([]info.Core, error) { … }

// GetCacheInfo return information about a cache accessible from the given cpu thread
func GetCacheInfo(sysFs sysfs.SysFs, id int) ([]sysfs.CacheInfo, error) { … }

func getNetworkStats(name string, sysFs sysfs.SysFs) (info.InterfaceStats, error) { … }

func GetSystemUUID(sysFs sysfs.SysFs) (string, error) { … }

func getMatchedInt(rgx *regexp.Regexp, str string) (int, error) { … }

// GetSocketFromCPU returns Socket ID of passed CPU. If is not present, returns -1.
func GetSocketFromCPU(topology []info.Node, cpu int) int { … }

// GetOnlineCPUs returns available cores.
func GetOnlineCPUs(topology []info.Node) []int { … }