Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

metrics

package

Go to main page

Versions in this module

v0

v0.4.1

Mar 14, 2016

v0.4.0

Mar 14, 2016

v0.3.0

Feb 19, 2016

Changes in this version

+ var UseNilMetrics bool = false

+ func CaptureDebugGCStats(r Registry, d time.Duration)

+ func CaptureDebugGCStatsOnce(r Registry)

+ func CaptureRuntimeMemStats(r Registry, d time.Duration)

+ func CaptureRuntimeMemStatsOnce(r Registry)

+ func Each(f func(string, interface{}))

+ func Get(name string) interface

+ func GetOrRegister(name string, i interface{}) interface

+ func Graphite(r Registry, d time.Duration, prefix string, addr *net.TCPAddr)

+ func GraphiteOnce(c GraphiteConfig) error

+ func GraphiteWithConfig(c GraphiteConfig)

+ func Log(r Registry, d time.Duration, l *log.Logger)

+ func OpenTSDB(r Registry, d time.Duration, prefix string, addr *net.TCPAddr)

+ func OpenTSDBWithConfig(c OpenTSDBConfig)

+ func Register(name string, i interface{}) error

+ func RegisterDebugGCStats(r Registry)

+ func RegisterRuntimeMemStats(r Registry)

+ func RunHealthchecks()

+ func SampleMax(values []int64) int64

+ func SampleMean(values []int64) float64

+ func SampleMin(values []int64) int64

+ func SamplePercentile(values int64Slice, p float64) float64

+ func SamplePercentiles(values int64Slice, ps []float64) []float64

+ func SampleStdDev(values []int64) float64

+ func SampleSum(values []int64) int64

+ func SampleVariance(values []int64) float64

+ func Syslog(r Registry, d time.Duration, w *syslog.Writer) — darwin/amd64, js/wasm, linux/amd64

+ func Unregister(name string)

+ func Write(r Registry, d time.Duration, w io.Writer)

+ func WriteJSON(r Registry, d time.Duration, w io.Writer)

+ func WriteJSONOnce(r Registry, w io.Writer)

+ func WriteOnce(r Registry, w io.Writer)

+ type Counter interface

+ Clear func()

+ Count func() int64

+ Dec func(int64)

+ Inc func(int64)

+ Snapshot func() Counter

+ func GetOrRegisterCounter(name string, r Registry) Counter

+ func NewCounter() Counter

+ func NewRegisteredCounter(name string, r Registry) Counter

+ type CounterSnapshot int64

+ func (CounterSnapshot) Clear()

+ func (CounterSnapshot) Dec(int64)

+ func (CounterSnapshot) Inc(int64)

+ func (c CounterSnapshot) Count() int64

+ func (c CounterSnapshot) Snapshot() Counter

+ type DuplicateMetric string

+ func (err DuplicateMetric) Error() string

+ type EWMA interface

+ Rate func() float64

+ Snapshot func() EWMA

+ Tick func()

+ Update func(int64)

+ func NewEWMA(alpha float64) EWMA

+ func NewEWMA1() EWMA

+ func NewEWMA15() EWMA

+ func NewEWMA5() EWMA

+ type EWMASnapshot float64

+ func (EWMASnapshot) Tick()

+ func (EWMASnapshot) Update(int64)

+ func (a EWMASnapshot) Rate() float64

+ func (a EWMASnapshot) Snapshot() EWMA

+ type ExpDecaySample struct

+ func (s *ExpDecaySample) Clear()

+ func (s *ExpDecaySample) Count() int64

+ func (s *ExpDecaySample) Max() int64

+ func (s *ExpDecaySample) Mean() float64

+ func (s *ExpDecaySample) Min() int64

+ func (s *ExpDecaySample) Percentile(p float64) float64

+ func (s *ExpDecaySample) Percentiles(ps []float64) []float64

+ func (s *ExpDecaySample) Size() int

+ func (s *ExpDecaySample) Snapshot() Sample

+ func (s *ExpDecaySample) StdDev() float64

+ func (s *ExpDecaySample) Sum() int64

+ func (s *ExpDecaySample) Update(v int64)

+ func (s *ExpDecaySample) Values() []int64

+ func (s *ExpDecaySample) Variance() float64

+ type Gauge interface

+ Snapshot func() Gauge

+ Update func(int64)

+ Value func() int64

+ func GetOrRegisterGauge(name string, r Registry) Gauge

+ func NewGauge() Gauge

+ func NewRegisteredGauge(name string, r Registry) Gauge

+ type GaugeFloat64 interface

+ Snapshot func() GaugeFloat64

+ Update func(float64)

+ Value func() float64

+ func GetOrRegisterGaugeFloat64(name string, r Registry) GaugeFloat64

+ func NewGaugeFloat64() GaugeFloat64

+ func NewRegisteredGaugeFloat64(name string, r Registry) GaugeFloat64

+ type GaugeFloat64Snapshot float64

+ func (GaugeFloat64Snapshot) Update(float64)

+ func (g GaugeFloat64Snapshot) Snapshot() GaugeFloat64

+ func (g GaugeFloat64Snapshot) Value() float64

+ type GaugeSnapshot int64

+ func (GaugeSnapshot) Update(int64)

+ func (g GaugeSnapshot) Snapshot() Gauge

+ func (g GaugeSnapshot) Value() int64

+ type GraphiteConfig struct

+ Addr *net.TCPAddr

+ DurationUnit time.Duration

+ FlushInterval time.Duration

+ Percentiles []float64

+ Prefix string

+ Registry Registry

+ type Healthcheck interface

+ Check func()

+ Error func() error

+ Healthy func()

+ Unhealthy func(error)

+ func NewHealthcheck(f func(Healthcheck)) Healthcheck

+ type Histogram interface

+ Clear func()

+ Count func() int64

+ Max func() int64

+ Mean func() float64

+ Min func() int64

+ Percentile func(float64) float64

+ Percentiles func([]float64) []float64

+ Sample func() Sample

+ Snapshot func() Histogram

+ StdDev func() float64

+ Sum func() int64

+ Update func(int64)

+ Variance func() float64

+ func GetOrRegisterHistogram(name string, r Registry, s Sample) Histogram

+ func NewHistogram(s Sample) Histogram

+ func NewRegisteredHistogram(name string, r Registry, s Sample) Histogram

+ type HistogramSnapshot struct

+ func (*HistogramSnapshot) Clear()

+ func (*HistogramSnapshot) Update(int64)

+ func (h *HistogramSnapshot) Count() int64

+ func (h *HistogramSnapshot) Max() int64

+ func (h *HistogramSnapshot) Mean() float64

+ func (h *HistogramSnapshot) Min() int64

+ func (h *HistogramSnapshot) Percentile(p float64) float64

+ func (h *HistogramSnapshot) Percentiles(ps []float64) []float64

+ func (h *HistogramSnapshot) Sample() Sample

+ func (h *HistogramSnapshot) Snapshot() Histogram

+ func (h *HistogramSnapshot) StdDev() float64

+ func (h *HistogramSnapshot) Sum() int64

+ func (h *HistogramSnapshot) Variance() float64

+ type Meter interface

+ Count func() int64

+ Mark func(int64)

+ Rate1 func() float64

+ Rate15 func() float64

+ Rate5 func() float64

+ RateMean func() float64

+ Snapshot func() Meter

+ func GetOrRegisterMeter(name string, r Registry) Meter

+ func NewMeter() Meter

+ func NewRegisteredMeter(name string, r Registry) Meter

+ type MeterSnapshot struct

+ func (*MeterSnapshot) Mark(n int64)

+ func (m *MeterSnapshot) Count() int64

+ func (m *MeterSnapshot) Rate1() float64

+ func (m *MeterSnapshot) Rate15() float64

+ func (m *MeterSnapshot) Rate5() float64

+ func (m *MeterSnapshot) RateMean() float64

+ func (m *MeterSnapshot) Snapshot() Meter

+ type NilCounter struct

+ func (NilCounter) Clear()

+ func (NilCounter) Count() int64

+ func (NilCounter) Dec(i int64)

+ func (NilCounter) Inc(i int64)

+ func (NilCounter) Snapshot() Counter

+ type NilEWMA struct

+ func (NilEWMA) Rate() float64

+ func (NilEWMA) Snapshot() EWMA

+ func (NilEWMA) Tick()

+ func (NilEWMA) Update(n int64)

+ type NilGauge struct

+ func (NilGauge) Snapshot() Gauge

+ func (NilGauge) Update(v int64)

+ func (NilGauge) Value() int64

+ type NilGaugeFloat64 struct

+ func (NilGaugeFloat64) Snapshot() GaugeFloat64

+ func (NilGaugeFloat64) Update(v float64)

+ func (NilGaugeFloat64) Value() float64

+ type NilHealthcheck struct

+ func (NilHealthcheck) Check()

+ func (NilHealthcheck) Error() error

+ func (NilHealthcheck) Healthy()

+ func (NilHealthcheck) Unhealthy(error)

+ type NilHistogram struct

+ func (NilHistogram) Clear()

+ func (NilHistogram) Count() int64

+ func (NilHistogram) Max() int64

+ func (NilHistogram) Mean() float64

+ func (NilHistogram) Min() int64

+ func (NilHistogram) Percentile(p float64) float64

+ func (NilHistogram) Percentiles(ps []float64) []float64

+ func (NilHistogram) Sample() Sample

+ func (NilHistogram) Snapshot() Histogram

+ func (NilHistogram) StdDev() float64

+ func (NilHistogram) Sum() int64

+ func (NilHistogram) Update(v int64)

+ func (NilHistogram) Variance() float64

+ type NilMeter struct

+ func (NilMeter) Count() int64

+ func (NilMeter) Mark(n int64)

+ func (NilMeter) Rate1() float64

+ func (NilMeter) Rate15() float64

+ func (NilMeter) Rate5() float64

+ func (NilMeter) RateMean() float64

+ func (NilMeter) Snapshot() Meter

+ type NilSample struct

+ func (NilSample) Clear()

+ func (NilSample) Count() int64

+ func (NilSample) Max() int64

+ func (NilSample) Mean() float64

+ func (NilSample) Min() int64

+ func (NilSample) Percentile(p float64) float64

+ func (NilSample) Percentiles(ps []float64) []float64

+ func (NilSample) Size() int

+ func (NilSample) Snapshot() Sample

+ func (NilSample) StdDev() float64

+ func (NilSample) Sum() int64

+ func (NilSample) Update(v int64)

+ func (NilSample) Values() []int64

+ func (NilSample) Variance() float64

+ type NilTimer struct

+ func (NilTimer) Count() int64

+ func (NilTimer) Max() int64

+ func (NilTimer) Mean() float64

+ func (NilTimer) Min() int64

+ func (NilTimer) Percentile(p float64) float64

+ func (NilTimer) Percentiles(ps []float64) []float64

+ func (NilTimer) Rate1() float64

+ func (NilTimer) Rate15() float64

+ func (NilTimer) Rate5() float64

+ func (NilTimer) RateMean() float64

+ func (NilTimer) Snapshot() Timer

+ func (NilTimer) StdDev() float64

+ func (NilTimer) Sum() int64

+ func (NilTimer) Time(func())

+ func (NilTimer) Update(time.Duration)

+ func (NilTimer) UpdateSince(time.Time)

+ func (NilTimer) Variance() float64

+ type OpenTSDBConfig struct

+ Addr *net.TCPAddr

+ DurationUnit time.Duration

+ FlushInterval time.Duration

+ Prefix string

+ Registry Registry

+ type Registry interface

+ Each func(func(string, interface{}))

+ Get func(string) interface{}

+ GetOrRegister func(string, interface{}) interface{}

+ Register func(string, interface{}) error

+ RunHealthchecks func()

+ Unregister func(string)

+ UnregisterAll func()

+ var DefaultRegistry Registry = NewRegistry()

+ func NewRegistry() Registry

+ type Sample interface

+ Clear func()

+ Count func() int64

+ Max func() int64

+ Mean func() float64

+ Min func() int64

+ Percentile func(float64) float64

+ Percentiles func([]float64) []float64

+ Size func() int

+ Snapshot func() Sample

+ StdDev func() float64

+ Sum func() int64

+ Update func(int64)

+ Values func() []int64

+ Variance func() float64

+ func NewExpDecaySample(reservoirSize int, alpha float64) Sample

+ func NewUniformSample(reservoirSize int) Sample

+ type SampleSnapshot struct

+ func (*SampleSnapshot) Clear()

+ func (*SampleSnapshot) Update(int64)

+ func (s *SampleSnapshot) Count() int64

+ func (s *SampleSnapshot) Max() int64

+ func (s *SampleSnapshot) Mean() float64

+ func (s *SampleSnapshot) Min() int64

+ func (s *SampleSnapshot) Percentile(p float64) float64

+ func (s *SampleSnapshot) Percentiles(ps []float64) []float64

+ func (s *SampleSnapshot) Size() int

+ func (s *SampleSnapshot) Snapshot() Sample

+ func (s *SampleSnapshot) StdDev() float64

+ func (s *SampleSnapshot) Sum() int64

+ func (s *SampleSnapshot) Values() []int64

+ func (s *SampleSnapshot) Variance() float64

+ type StandardCounter struct

+ func (c *StandardCounter) Clear()

+ func (c *StandardCounter) Count() int64

+ func (c *StandardCounter) Dec(i int64)

+ func (c *StandardCounter) Inc(i int64)

+ func (c *StandardCounter) Snapshot() Counter

+ type StandardEWMA struct

+ func (a *StandardEWMA) Rate() float64

+ func (a *StandardEWMA) Snapshot() EWMA

+ func (a *StandardEWMA) Tick()

+ func (a *StandardEWMA) Update(n int64)

+ type StandardGauge struct

+ func (g *StandardGauge) Snapshot() Gauge

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

+ func (g *StandardGauge) Value() int64

+ type StandardGaugeFloat64 struct

+ func (g *StandardGaugeFloat64) Snapshot() GaugeFloat64

+ func (g *StandardGaugeFloat64) Update(v float64)

+ func (g *StandardGaugeFloat64) Value() float64

+ type StandardHealthcheck struct

+ func (h *StandardHealthcheck) Check()

+ func (h *StandardHealthcheck) Error() error

+ func (h *StandardHealthcheck) Healthy()

+ func (h *StandardHealthcheck) Unhealthy(err error)

+ type StandardHistogram struct

+ func (h *StandardHistogram) Clear()

+ func (h *StandardHistogram) Count() int64

+ func (h *StandardHistogram) Max() int64

+ func (h *StandardHistogram) Mean() float64

+ func (h *StandardHistogram) Min() int64

+ func (h *StandardHistogram) Percentile(p float64) float64

+ func (h *StandardHistogram) Percentiles(ps []float64) []float64

+ func (h *StandardHistogram) Sample() Sample

+ func (h *StandardHistogram) Snapshot() Histogram

+ func (h *StandardHistogram) StdDev() float64

+ func (h *StandardHistogram) Sum() int64

+ func (h *StandardHistogram) Update(v int64)

+ func (h *StandardHistogram) Variance() float64

+ type StandardMeter struct

+ func (m *StandardMeter) Count() int64

+ func (m *StandardMeter) Mark(n int64)

+ func (m *StandardMeter) Rate1() float64

+ func (m *StandardMeter) Rate15() float64

+ func (m *StandardMeter) Rate5() float64

+ func (m *StandardMeter) RateMean() float64

+ func (m *StandardMeter) Snapshot() Meter

+ type StandardRegistry struct

+ func (r *StandardRegistry) Each(f func(string, interface{}))

+ func (r *StandardRegistry) Get(name string) interface{}

+ func (r *StandardRegistry) GetOrRegister(name string, i interface{}) interface{}

+ func (r *StandardRegistry) Register(name string, i interface{}) error

+ func (r *StandardRegistry) RunHealthchecks()

+ func (r *StandardRegistry) Unregister(name string)

+ func (r *StandardRegistry) UnregisterAll()

+ func (r StandardRegistry) MarshalJSON() ([]byte, error)

+ type StandardTimer struct

+ func (t *StandardTimer) Count() int64

+ func (t *StandardTimer) Max() int64

+ func (t *StandardTimer) Mean() float64

+ func (t *StandardTimer) Min() int64

+ func (t *StandardTimer) Percentile(p float64) float64

+ func (t *StandardTimer) Percentiles(ps []float64) []float64

+ func (t *StandardTimer) Rate1() float64

+ func (t *StandardTimer) Rate15() float64

+ func (t *StandardTimer) Rate5() float64

+ func (t *StandardTimer) RateMean() float64

+ func (t *StandardTimer) Snapshot() Timer

+ func (t *StandardTimer) StdDev() float64

+ func (t *StandardTimer) Sum() int64

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

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

+ func (t *StandardTimer) UpdateSince(ts time.Time)

+ func (t *StandardTimer) Variance() float64

+ type Timer interface

+ Count func() int64

+ Max func() int64

+ Mean func() float64

+ Min func() int64

+ Percentile func(float64) float64

+ Percentiles func([]float64) []float64

+ Rate1 func() float64

+ Rate15 func() float64

+ Rate5 func() float64

+ RateMean func() float64

+ Snapshot func() Timer

+ StdDev func() float64

+ Sum func() int64

+ Time func(func())

+ Update func(time.Duration)

+ UpdateSince func(time.Time)

+ Variance func() float64

+ func GetOrRegisterTimer(name string, r Registry) Timer

+ func NewCustomTimer(h Histogram, m Meter) Timer

+ func NewRegisteredTimer(name string, r Registry) Timer

+ func NewTimer() Timer

+ type TimerSnapshot struct

+ func (*TimerSnapshot) Time(func())

+ func (*TimerSnapshot) Update(time.Duration)

+ func (*TimerSnapshot) UpdateSince(time.Time)

+ func (t *TimerSnapshot) Count() int64

+ func (t *TimerSnapshot) Max() int64

+ func (t *TimerSnapshot) Mean() float64

+ func (t *TimerSnapshot) Min() int64

+ func (t *TimerSnapshot) Percentile(p float64) float64

+ func (t *TimerSnapshot) Percentiles(ps []float64) []float64

+ func (t *TimerSnapshot) Rate1() float64

+ func (t *TimerSnapshot) Rate15() float64

+ func (t *TimerSnapshot) Rate5() float64

+ func (t *TimerSnapshot) RateMean() float64

+ func (t *TimerSnapshot) Snapshot() Timer

+ func (t *TimerSnapshot) StdDev() float64

+ func (t *TimerSnapshot) Sum() int64

+ func (t *TimerSnapshot) Variance() float64

+ type UniformSample struct

+ func (s *UniformSample) Clear()

+ func (s *UniformSample) Count() int64

+ func (s *UniformSample) Max() int64

+ func (s *UniformSample) Mean() float64

+ func (s *UniformSample) Min() int64

+ func (s *UniformSample) Percentile(p float64) float64

+ func (s *UniformSample) Percentiles(ps []float64) []float64

+ func (s *UniformSample) Size() int

+ func (s *UniformSample) Snapshot() Sample

+ func (s *UniformSample) StdDev() float64

+ func (s *UniformSample) Sum() int64

+ func (s *UniformSample) Update(v int64)

+ func (s *UniformSample) Values() []int64

+ func (s *UniformSample) Variance() float64