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

v1

v1.3.3

Jan 27, 2016

v1.3.2

Jan 15, 2016

v1.3.1

Jan 9, 2016

v1.3.0

Dec 27, 2015

v1.2.0

Dec 6, 2015

v1.1.0

Nov 5, 2015

v1.0.0

Oct 27, 2015

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