cgroups

package

v1.0.3 Latest Latest Go to latest Published: Mar 16, 2021 License: MIT Imports: 12 Imported by: 0

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var (
	ErrUndefinedController error = errors.New("undefined controller type")
	ErrDoesNotExist        error = errors.New("cgroup does not exist")
)

func GetSystemCPUUsage() (uint64, error)

GetSystemCPUUsage returns the system usage for all the cgroups

func IsCgroup2UnifiedMode() (bool, error)

IsCgroup2UnifiedMode returns whether we are running in cgroup 2 cgroup2 mode.

func UserOwnsCurrentSystemdCgroup() (bool, error)

UserOwnsCurrentSystemdCgroup checks whether the current EUID owns the current cgroup.

type CPUAcct struct {
	// contains filtered or unexported fields
}

CPUAcct cpuacct control group controller

func NewCPUAcct(path string) (*CPUAcct, error)

NewCPUAcct create new CPUAcct type

func (ca *CPUAcct) Stats() (uint64, error)

Stats get cpuacct stats

type CgroupControl interface {
	Stats() (uint64, error)
}

CgroupControl represents a cgroup controller

func CgroupControlFactory(ct ControlType, path string) (CgroupControl, error)

CgroupControlFactory generates CgroupControl type based on specified type

type ControlType int

ControlType supported cgroup controller types

const (
	CPUAcctT ControlType = iota
	MemoryT
)

func (ct ControlType) String() string

type Memory struct {
	// contains filtered or unexported fields
}

Memory memory control group controller

func NewMemory(path string) (*Memory, error)

NewMemory create new memory cgroup control type

func (m *Memory) Stats() (uint64, error)

Stats get memory stats