cgroup

Documentation

Index

• Constants
• func Mount(mountDir string) error
• func Umount(mountDir string) error
• type CgroupConfig
  • func (cg *CgroupConfig) Create() error
  • func (cg *CgroupConfig) Delete() error

Constants

const (
	CgroupMountDir = "/tmp/rjob/cgroup"
)

Set a few constants for simplicity. These could be read from a configuration.

Functions

func Mount

func Mount(mountDir string) error

Mount will mount the cgroup hierarchy at mountDir.

func Umount

func Umount(mountDir string) error

Umount unmounts the cgroup hierarchy mounted at mountDir.

Types

type CgroupConfig

type CgroupConfig struct {
	Name string

	Cpu    int
	Memory int
	Io     int

	Path string
}

CgroupConfig is used to create, delete, and manage a cgroup.

func (*CgroupConfig) Create

func (cg *CgroupConfig) Create() error

Create will create the configured cgroup and set the limits for cpu, memory, and io.

func (*CgroupConfig) Delete

func (cg *CgroupConfig) Delete() error

Delete will delete the configured cgroup by removing the directory. Processes int the cgroup must be killed or moved before deleting.