metrics

Documentation

Index

• Variables
• func Register(metricType interface{}, retrieverFunc Retriever)
• func Retrieve(metric interface{}) error
• type CallStats
  • func (m *CallStats) Increment(d time.Duration)
• type Calls
  • func (m Calls) Copy() Calls
  • func (m Calls) MarshalJSON() ([]byte, error)
• type Retriever

Variables

var RoundDuration = time.Millisecond * 1

RoundDuration is the default value used for rounding durations.

Functions

func Register

func Register(metricType interface{}, retrieverFunc Retriever)

Register registers given type with retriever to metrics.

func Retrieve

func Retrieve(metric interface{}) error

Retrieve calls registered retriever for given metric and sets returned data to metric.

Types

type CallStats

type CallStats struct {
	Name  string  `json:"name,omitempty"`
	Count uint64  `json:"count"`
	Total float64 `json:"total,omitempty"`
	Avg   float64 `json:"avg,omitempty"`
	Min   float64 `json:"min,omitempty"`
	Max   float64 `json:"max,omitempty"`
}

CallStats represents generic stats for call metrics.

func (*CallStats) Increment

func (m *CallStats) Increment(d time.Duration)

Increment increments call count and recalculates durations

type Calls

type Calls map[string]*CallStats

func (Calls) Copy

func (m Calls) Copy() Calls

func (Calls) MarshalJSON

func (m Calls) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface

type Retriever

type Retriever func() interface{}

Retriever defines function that returns metrics data