package intelrdt

import "github.com/opencontainers/runc/libcontainer/intelrdt"

Index

Functions

func IsCATEnabled 

func IsCATEnabled() bool

Check if Intel RDT/CAT is enabled

func IsCMTEnabled 

func IsCMTEnabled() bool

Check if Intel RDT/CMT is enabled.

func IsMBAEnabled 

func IsMBAEnabled() bool

Check if Intel RDT/MBA is enabled

func IsMBMEnabled 

func IsMBMEnabled() bool

Check if Intel RDT/MBM is enabled.

func Root 

func Root() (string, error)

Root returns the Intel RDT "resource control" filesystem mount point.

func WriteIntelRdtTasks 

func WriteIntelRdtTasks(dir string, pid int) error

WriteIntelRdtTasks writes the specified pid into the "tasks" file

Types

type CMTNumaNodeStats 

type CMTNumaNodeStats struct {
	// The 'llc_occupancy' in 'container_id' group.
	LLCOccupancy uint64 `json:"llc_occupancy"`
}

type L3CacheInfo 

type L3CacheInfo struct {
	CbmMask    string `json:"cbm_mask,omitempty"`
	MinCbmBits uint64 `json:"min_cbm_bits,omitempty"`
	NumClosids uint64 `json:"num_closids,omitempty"`
}

type MBMNumaNodeStats 

type MBMNumaNodeStats struct {
	// The 'mbm_total_bytes' in 'container_id' group.
	MBMTotalBytes uint64 `json:"mbm_total_bytes"`

	// The 'mbm_local_bytes' in 'container_id' group.
	MBMLocalBytes uint64 `json:"mbm_local_bytes"`
}

type Manager 

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

func NewManager 

func NewManager(config *configs.Config, id string, path string) *Manager

NewManager returns a new instance of Manager, or nil if the Intel RDT functionality is not specified in the config, available from hardware or enabled in the kernel.

func (*Manager) Apply 

func (m *Manager) Apply(pid int) (err error)

Applies Intel RDT configuration to the process with the specified pid

func (*Manager) Destroy 

func (m *Manager) Destroy() error

Destroys the Intel RDT container-specific 'container_id' group

func (*Manager) GetPath 

func (m *Manager) GetPath() string

Returns Intel RDT path to save in a state file and to be able to restore the object later

func (*Manager) GetStats 

func (m *Manager) GetStats() (*Stats, error)

Returns statistics for Intel RDT

func (*Manager) Set 

func (m *Manager) Set(container *configs.Config) error

Set Intel RDT "resource control" filesystem as configured.

type MemBwInfo 

type MemBwInfo struct {
	BandwidthGran uint64 `json:"bandwidth_gran,omitempty"`
	DelayLinear   uint64 `json:"delay_linear,omitempty"`
	MinBandwidth  uint64 `json:"min_bandwidth,omitempty"`
	NumClosids    uint64 `json:"num_closids,omitempty"`
}

type Stats 

type Stats struct {
	// The read-only L3 cache information
	L3CacheInfo *L3CacheInfo `json:"l3_cache_info,omitempty"`

	// The read-only L3 cache schema in root
	L3CacheSchemaRoot string `json:"l3_cache_schema_root,omitempty"`

	// The L3 cache schema in 'container_id' group
	L3CacheSchema string `json:"l3_cache_schema,omitempty"`

	// The read-only memory bandwidth information
	MemBwInfo *MemBwInfo `json:"mem_bw_info,omitempty"`

	// The read-only memory bandwidth schema in root
	MemBwSchemaRoot string `json:"mem_bw_schema_root,omitempty"`

	// The memory bandwidth schema in 'container_id' group
	MemBwSchema string `json:"mem_bw_schema,omitempty"`

	// The memory bandwidth monitoring statistics from NUMA nodes in 'container_id' group
	MBMStats *[]MBMNumaNodeStats `json:"mbm_stats,omitempty"`

	// The cache monitoring technology statistics from NUMA nodes in 'container_id' group
	CMTStats *[]CMTNumaNodeStats `json:"cmt_stats,omitempty"`
}

Source Files

cmt.go intelrdt.go mbm.go monitoring.go stats.go

Version
v1.2.6 (latest)
Published
Mar 14, 2025
Platform
linux/amd64
Imports
15 packages
Last checked
47 minutes ago –

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