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

v1.2.0

Aug 22, 2024

v1.1.0

Jul 22, 2024

Changes in this version

+ func TemporalitySelector(sdkmetric.InstrumentKind) metricdata.Temporality

+ type LegacyRegistry interface

+ ApmMetricsCap func() int32

+ BuildBuiltinMetricsMessage func(flushInterval int32, qs *EventQueueStats, rcs *RateCountSummary, ...) []byte

+ BuildCustomMetricsMessage func(flushInterval int32) []byte

+ CustomMetricsCap func() int32

+ SetApmMetricsCap func(int32)

+ SetCustomMetricsCap func(int32)

+ func NewLegacyRegistry(isAppoptics bool) LegacyRegistry

+ type MetricRegistry interface

+ RecordSpan func(span trace.ReadOnlySpan)

+ func NewOtelRegistry(p metric.MeterProvider) (MetricRegistry, error)

+ type RateCountSummary struct

+ Limited int64

+ Requested int64

+ Sampled int64

+ Through int64

+ Traced int64

+ TtTraced int64

v1.0.0

Apr 22, 2024

v0

v0.2.0

Nov 28, 2023

v0.1.1

Oct 3, 2023

v0.1.0

Sep 20, 2023

Changes in this version

+ const CustomTransactionNamePrefix

+ const MaxTagsCount

+ const MetricIDSeparator

+ const OtherTransactionName

+ const RCRegular

+ const RCRelaxedTriggerTrace

+ const RCStrictTriggerTrace

+ const ReportingIntervalDefault

+ const RequestCount

+ const SampleCount

+ const TagsKVSeparator

+ const ThroughTraceCount

+ const TokenBucketExhaustionCount

+ const TraceCount

+ const TriggeredTraceCount

+ var ApmMetrics = NewMeasurements(false, metricsTransactionsMaxDefault)

+ var CustomMetrics = NewMeasurements(true, metricsCustomMetricsMaxDefault)

+ var ErrExceedsMetricsCountLimit = errors.New("exceeds metrics count limit per flush interval")

+ var ErrExceedsTagsCountLimit = errors.New("exceeds tags count limit")

+ var ErrMetricsWithNonPositiveCount = errors.New("metrics with non-positive count")

+ func BuildBuiltinMetricsMessage(m *Measurements, qs *EventQueueStats, rcs map[string]*RateCounts, ...) []byte

+ func BuildMessage(m *Measurements, serverless bool) []byte

+ func BuildServerlessMessage(span HTTPSpanMessage, rcs map[string]*RateCounts, rate int, source int) []byte

+ func GetTransactionFromPath(path string) string

+ func RecordSpan(span sdktrace.ReadOnlySpan, isAppoptics bool)

+ type BaseSpanMessage struct

+ Duration time.Duration

+ HasError bool

+ type EventQueueStats struct

+ func (s *EventQueueStats) CopyAndReset() *EventQueueStats

+ func (s *EventQueueStats) NumFailedAdd(n int64)

+ func (s *EventQueueStats) NumOverflowedAdd(n int64)

+ func (s *EventQueueStats) NumSentAdd(n int64)

+ func (s *EventQueueStats) SetQueueLargest(count int64)

+ func (s *EventQueueStats) TotalEventsAdd(n int64)

+ type HTTPSpanMessage struct

+ Host string

+ Method string

+ Path string

+ Status int

+ Transaction string

+ type Measurement struct

+ Count int

+ Name string

+ ReportSum bool

+ Sum float64

+ Tags map[string]string

+ type Measurements struct

+ FlushInterval int32

+ IsCustom bool

+ func NewMeasurements(isCustom bool, maxCount int32) *Measurements

+ func (m *Measurements) Cap() int32

+ func (m *Measurements) Clone() *Measurements

+ func (m *Measurements) CopyAndReset(flushInterval int32) *Measurements

+ func (m *Measurements) Increment(name string, opts MetricOptions) error

+ func (m *Measurements) SetCap(cap int32)

+ func (m *Measurements) Summary(name string, value float64, opts MetricOptions) error

+ type MetricOptions struct

+ Count int

+ HostTag bool

+ Tags map[string]string

+ type RateCounts struct

+ func (c *RateCounts) FlushRateCounts() *RateCounts

+ func (c *RateCounts) Limited() int64

+ func (c *RateCounts) LimitedInc()

+ func (c *RateCounts) Requested() int64

+ func (c *RateCounts) RequestedInc()

+ func (c *RateCounts) Sampled() int64

+ func (c *RateCounts) SampledInc()

+ func (c *RateCounts) Through() int64

+ func (c *RateCounts) ThroughInc()

+ func (c *RateCounts) Traced() int64

+ func (c *RateCounts) TracedInc()

+ type SpanMessage interface

+ Process func(m *Measurements)

+ type TransMap struct

+ func NewTransMap(cap int32) *TransMap

+ func (t *TransMap) Cap() int32

+ func (t *TransMap) Clone() *TransMap

+ func (t *TransMap) IsWithinLimit(name string) bool

+ func (t *TransMap) Overflow() bool

+ func (t *TransMap) Reset()

+ func (t *TransMap) SetCap(cap int32)