instruments

Nov 13, 2020

Changes in this version

type Distribution

+ Bin func(index int) (value, weight float64)

+ NumBins func() int

Feb 20, 2017

Changes in this version

+ type Distribution interface

+ Count func() int

+ Max func() float64

+ Mean func() float64

+ Min func() float64

+ Quantile func(q float64) float64

+ Sum func() float64

+ Variance func() float64

Feb 8, 2017

Changes in this version

+ type Logger interface

+ Printf func(string, ...interface{})

type Registry

+ Logger Logger

Sep 23, 2016

Changes in this version

type Registry

+ func (r *Registry) AddTags(tags ...string)

+ func (r *Registry) SetTags(tags ...string)

+ func (r *Registry) Tags() []string

type SampleSlice

+ func (s SampleSlice) Release()

Sep 16, 2016

Changes in this version

+ func Ceil(v float64) int64

+ func Floor(v float64) int64

+ func MetricID(name string, tags []string) string

+ func Scale(o, d time.Duration) float64

+ func SplitMetricID(metricID string) (name string, tags []string)

+ type Counter struct

+ func NewCounter() *Counter

+ func (c *Counter) Snapshot() int64

+ func (c *Counter) Update(v int64)

+ type Derive struct

+ func NewDerive(v int64) *Derive

+ func NewDeriveScale(v int64, d time.Duration) *Derive

+ func (d *Derive) Snapshot() int64

+ func (d *Derive) Update(v int64)

+ type Discrete interface

+ Snapshot func() int64

+ type Gauge struct

+ func NewGauge() *Gauge

+ func (g *Gauge) Snapshot() int64

+ func (g *Gauge) Update(v int64)

+ type Rate struct

+ func NewRate() *Rate

+ func NewRateScale(d time.Duration) *Rate

+ func (r *Rate) Snapshot() int64

+ func (r *Rate) Update(v int64)

+ type Registry struct

+ func New(flushInterval time.Duration, prefix string, tags ...string) *Registry

+ func NewUnstarted(prefix string, tags ...string) *Registry

+ func (r *Registry) Close() error

+ func (r *Registry) Counter(name string, tags []string) *Counter

+ func (r *Registry) Derive(name string, tags []string, v int64) *Derive

+ func (r *Registry) DeriveScale(name string, tags []string, v int64, d time.Duration) *Derive

+ func (r *Registry) Errors() <-chan error

+ func (r *Registry) Fetch(name string, tags []string, factory func() interface{}) interface{}

+ func (r *Registry) Flush() error

+ func (r *Registry) Gauge(name string, tags []string) *Gauge

+ func (r *Registry) Get(name string, tags []string) interface{}

+ func (r *Registry) Rate(name string, tags []string) *Rate

+ func (r *Registry) RateScale(name string, tags []string, d time.Duration) *Rate

+ func (r *Registry) Register(name string, tags []string, v interface{})

+ func (r *Registry) Reservoir(name string, tags []string, size int64) *Reservoir

+ func (r *Registry) Size() int

+ func (r *Registry) Subscribe(rep Reporter)

+ func (r *Registry) Timer(name string, tags []string, size int64) *Timer

+ func (r *Registry) Unregister(name string, tags []string)

+ type Reporter interface

+ Discrete func(name string, tags []string, inst Discrete) error

+ Flush func() error

+ Prep func() error

+ Sample func(name string, tags []string, inst Sample) error

+ type Reservoir struct

+ func NewReservoir(size int64) *Reservoir

+ func (r *Reservoir) Snapshot() SampleSlice

+ func (r *Reservoir) Update(v int64)

+ type Sample interface

+ Snapshot func() SampleSlice

+ type SampleSlice []int64

+ func (s SampleSlice) IsSorted() bool

+ func (s SampleSlice) Len() int

+ func (s SampleSlice) Less(i, j int) bool

+ func (s SampleSlice) Max() int64

+ func (s SampleSlice) Mean() float64

+ func (s SampleSlice) Min() int64

+ func (s SampleSlice) Quantile(q float64) int64

+ func (s SampleSlice) Sort()

+ func (s SampleSlice) StandardDeviation() float64

+ func (s SampleSlice) Swap(i, j int)

+ func (s SampleSlice) Variance() float64

+ type Timer struct

+ func NewTimer(size int64) *Timer

+ func (t *Timer) Since(start time.Time)

+ func (t *Timer) Snapshot() SampleSlice

+ func (t *Timer) Time(f func())

+ func (t *Timer) Update(d time.Duration)