cgroup

package

v1.5.2 Latest Latest Go to latest Published: Apr 25, 2024 License: Apache-2.0 Imports: 19 Imported by: 0

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Repository

github.com/castai/kvisor

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Documentation ¶

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Index ¶

Constants
Variables
func Init() error
type CPUStat
type Cgroup
- func NewFromProcessCgroupFile(filePath string) (*Cgroup, error)
type Client
- func NewClient(log *logging.Logger, root string) (*Client, error)
type ContainerRuntimeID
- func FromString(str string) ContainerRuntimeID
- func (runtime ContainerRuntimeID) String() string
type ID
type IOStat
type MemoryStat
type Version
- func (v Version) String() string

Constants ¶

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const (
	V1 = iota
	V2
)

Variables ¶

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var (
	ErrContainerIDNotFoundInCgroupPath = errors.New("container id not found in cgroup path")
	ErrCgroupNotFound                  = errors.New("cgroup not found")
)

Functions ¶

func Init ¶

func Init() error

Types ¶

type CPUStat ¶

type CPUStat struct {
	UsageSeconds         float64
	ThrottledTimeSeconds float64
	LimitCores           float64
}

type Cgroup ¶

type Cgroup struct {
	Id               uint64
	Version          Version
	ContainerRuntime ContainerRuntimeID
	ContainerID      string
	Path             string
	// contains filtered or unexported fields
}

func NewFromProcessCgroupFile ¶

func NewFromProcessCgroupFile(filePath string) (*Cgroup, error)

func (Cgroup) CpuStat ¶

func (cg Cgroup) CpuStat() (*CPUStat, error)

func (*Cgroup) CreatedAt ¶

func (cg *Cgroup) CreatedAt() time.Time

func (*Cgroup) IOStat ¶

func (cg *Cgroup) IOStat() (map[string]IOStat, error)

func (*Cgroup) MemoryStat ¶

func (cg *Cgroup) MemoryStat() (*MemoryStat, error)

type Client ¶

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

func NewClient ¶

func NewClient(log *logging.Logger, root string) (*Client, error)

func (*Client) CleanupCgroup ¶ added in v1.3.0

func (c *Client) CleanupCgroup(id ID)

func (*Client) DefaultCgroupVersion ¶

func (c *Client) DefaultCgroupVersion() Version

func (*Client) GetCgroupForID ¶

func (c *Client) GetCgroupForID(cgroupID ID) (*Cgroup, error)

func (*Client) IsDefaultHierarchy ¶ added in v1.4.0

func (c *Client) IsDefaultHierarchy(hierarchyID uint32) bool

func (*Client) LoadCgroup ¶ added in v1.3.0

func (c *Client) LoadCgroup(id ID, path string)

type ContainerRuntimeID ¶ added in v1.3.0

type ContainerRuntimeID int

Represents the internal ID of a container runtime

const (
	UnknownRuntime ContainerRuntimeID = iota
	DockerRuntime
	ContainerdRuntime
	CrioRuntime
	PodmanRuntime
	GardenRuntime
)

func FromString ¶ added in v1.3.0

func FromString(str string) ContainerRuntimeID

func (ContainerRuntimeID) String ¶ added in v1.3.0

func (runtime ContainerRuntimeID) String() string

type ID ¶ added in v1.3.0

type ID = uint64

type IOStat ¶

type IOStat struct {
	ReadOps      uint64
	WriteOps     uint64
	ReadBytes    uint64
	WrittenBytes uint64
}

type MemoryStat ¶

type MemoryStat struct {
	RSS   uint64
	Cache uint64
	Limit uint64
}

type Version ¶

type Version uint8

func (Version) String ¶

func (v Version) String() string

Source Files ¶

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