cgroups

Documentation

Index

• Variables
• func FindCgroupMountpoint(subsystem string) (string, error)
• func GetInitCgroupDir(subsystem string) (string, error)
• func GetThisCgroupDir(subsystem string) (string, error)
• type ActiveCgroup
• type Cgroup

Variables

var (
	ErrNotFound = errors.New("mountpoint not found")
)

Functions

func FindCgroupMountpoint

func FindCgroupMountpoint(subsystem string) (string, error)

https://www.kernel.org/doc/Documentation/cgroups/cgroups.txt

func GetInitCgroupDir

func GetInitCgroupDir(subsystem string) (string, error)

func GetThisCgroupDir

func GetThisCgroupDir(subsystem string) (string, error)

Returns the relative path to the cgroup docker is running in.

Types

type ActiveCgroup

type ActiveCgroup interface {
	Cleanup() error
}

type Cgroup

type Cgroup struct {
	Name   string `json:"name,omitempty"`
	Parent string `json:"parent,omitempty"`

	DeviceAccess      bool   `json:"device_access,omitempty"`      // name of parent cgroup or slice
	Memory            int64  `json:"memory,omitempty"`             // Memory limit (in bytes)
	MemoryReservation int64  `json:"memory_reservation,omitempty"` // Memory reservation or soft_limit (in bytes)
	MemorySwap        int64  `json:"memory_swap,omitempty"`        // Total memory usage (memory + swap); set `-1' to disable swap
	CpuShares         int64  `json:"cpu_shares,omitempty"`         // CPU shares (relative weight vs. other containers)
	CpuQuota          int64  `json:"cpu_quota,omitempty"`          // CPU hardcap limit (in usecs). Allowed cpu time in a given period.
	CpuPeriod         int64  `json:"cpu_period,omitempty"`         // CPU period to be used for hardcapping (in usecs). 0 to use system default.
	CpusetCpus        string `json:"cpuset_cpus,omitempty"`        // CPU to use
	Freezer           string `json:"freezer,omitempty"`            // set the freeze value for the process

	Slice string `json:"slice,omitempty"` // Parent slice to use for systemd
}