irqs

package
v0.1.1 Latest Latest
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 Go to latest Published: Sep 20, 2021 License: Apache-2.0 Imports: 13 Imported by: 0

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Constants

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const (
	EffectiveAffinity = 1 << iota
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Counter 

type Counter map[string]uint64

the IRQ name is not always a number, can be like "NMI", "TLB"...

func (Counter) Clone 

func (C Counter) Clone() Counter

func (Counter) Delta 

func (C Counter) Delta(X Counter) Counter

assume x is fresher than x. IRQ (all stems by how the kernel does the accounting): if a irq is counted in both c and x, then val(x) >= val(x) x is always a superset of c

type Handler 

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

func New 

func New(logger *log.Logger, procfsRoot string) *Handler

func (*Handler) ReadInfo 

func (handler *Handler) ReadInfo(flags uint) ([]Info, error)

func (*Handler) ReadStats 

func (handler *Handler) ReadStats() (Stats, error)

type Info 

type Info struct {
	Source string
	IRQ    int
	CPUs   cpuset.CPUSet
}

type Reporter 

type Reporter interface {
	Delta(ts time.Time, prevStats, lastStats Stats)
	Summary(initTs time.Time, prevStats, lastStats Stats)
}

func NewReporter 

func NewReporter(jsonOutput bool, verbose int, cpus cpuset.CPUSet) Reporter

type Stats 

type Stats map[int]Counter

CPUid -> counter

func (Stats) Clone 

func (S Stats) Clone() Stats

func (Stats) Delta 

func (S Stats) Delta(X Stats) Stats

func (Stats) ForCPUs 

func (S Stats) ForCPUs(cpus cpuset.CPUSet) Stats

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