Documentation
¶
Index ¶
- Constants
- func CoreList() []int
- func CpuList() []int
- func DieList() []int
- func GetCoreHwthreads(core int) []int
- func GetDieHwthreads(die int) []int
- func GetHwthreadCore(cpuID int) int
- func GetHwthreadDie(cpuID int) int
- func GetHwthreadNumaDomain(cpuID int) int
- func GetHwthreadSocket(cpuID int) int
- func GetNumaDomainHwthreads(numaDomain int) []int
- func GetSocketHwthreads(socket int) []int
- func GetTypeList(topology_type string) []int
- func HwthreadList() []int
- func NumaNodeList() []int
- func SocketList() []int
- type CpuInformation
- type HwthreadEntry
Constants ¶
const SYSFS_CPUBASE = `/sys/devices/system/cpu`
Variables ¶
This section is empty.
Functions ¶
func CoreList ¶
func CoreList() []int
CoreList gets the list of CPU core IDs in the order of listing in /proc/cpuinfo
func CpuList ¶
func CpuList() []int
Get list of hardware thread IDs in the order of listing in /proc/cpuinfo Deprecated! Use HwthreadList()
func GetCoreHwthreads ¶
GetCoreHwthreads get all hardware thread IDs associated with a CPU core
func GetDieHwthreads ¶
GetDieHwthreads gets all hardware thread IDs associated with a CPU die
func GetHwthreadCore ¶
GetHwthreadCore gets the CPU core ID for a given hardware thread ID In case hardware thread ID is not found -1 is returned
func GetHwthreadDie ¶
GetHwthreadDie gets the CPU die ID for a given hardware thread ID In case hardware thread ID is not found -1 is returned
func GetHwthreadNumaDomain ¶
GetHwthreadNumaDomain gets the NUMA domain ID for a given hardware thread ID In case hardware thread ID is not found -1 is returned
func GetHwthreadSocket ¶
GetHwthreadSocket gets the CPU socket ID for a given hardware thread ID In case hardware thread ID is not found -1 is returned
func GetNumaDomainHwthreads ¶
GetNumaDomainHwthreads gets the all hardware thread IDs associated with a NUMA domain
func GetSocketHwthreads ¶
GetSocketHwthreads gets all hardware thread IDs associated with a CPU socket
func GetTypeList ¶
GetTypeList gets the list of specified type using the naming format inside ClusterCockpit
func HwthreadList ¶
func HwthreadList() []int
HwthreadList gets the list of hardware thread IDs in the order of listing in /proc/cpuinfo
Types ¶
type CpuInformation ¶
type CpuInformation struct {
NumHWthreads int `json:"num_hwthreads"`
SMTWidth int `json:"smt_width"`
NumSockets int `json:"num_sockets"`
NumDies int `json:"num_dies"`
NumCores int `json:"num_cores"`
NumNumaDomains int `json:"num_numa_domains"`
}
Structure holding basic information about a CPU
type HwthreadEntry ¶
type HwthreadEntry struct {
// for each CPUx:
CpuID int `json:"cpu_id"` // CPU / hardware thread ID
SMT int `json:"smt_id"` // Simultaneous Multithreading ID
CoreCPUsList []int `json:"core_cpu_list"` // CPUs within the same core
Core int `json:"core_id"` // Socket local core ID
Socket int `json:"socket_id"` // Sockets (physical) ID
Die int `json:"die_id"` // Die ID
NumaDomain int `json:"numa_id"` // NUMA Domain
}
Structure holding all information about a hardware thread See https://www.kernel.org/doc/Documentation/ABI/stable/sysfs-devices-system-cpu
Source Files