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Package intelrdt

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

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"`
}