package metrics

import "github.com/lightstep/lightstep-tracer-go/internal/metrics"

Index ¶

• Constants
• type CPU
• type Memory
• type Metrics
• func Measure(ctx context.Context) (Metrics, error)
• type NIC
• type ProcessCPU
• type Reporter
• func NewReporter(opts ...ReporterOption) *Reporter
• func (r *Reporter) Measure(ctx context.Context, intervals int64) error
• type ReporterOption
• func WithReporterAccessToken(accessToken string) ReporterOption
• func WithReporterAddress(address string) ReporterOption
• func WithReporterAttributes(attributes map[string]string) ReporterOption
• func WithReporterMeasurementDuration(measurementDuration time.Duration) ReporterOption
• func WithReporterTimeout(timeout time.Duration) ReporterOption
• func WithReporterTracerID(tracerID uint64) ReporterOption
• type Runtime

Constants ¶

const (
	ReporterPlatformKey        = "lightstep.reporter_platform"
	ReporterPlatformVersionKey = "lightstep.reporter_platform_version"
	ReporterVersionKey         = "lightstep.reporter_version"
)

Types ¶

type CPU ¶

type CPU struct {
	User   float64
	System float64
	Usage  float64
	Total  float64
}

type Memory ¶

type Memory struct {
	Available uint64
	Total     uint64
	HeapAlloc uint64
}

type Metrics ¶

type Metrics struct {
	ProcessCPU ProcessCPU
	CPU        map[string]CPU
	NIC        map[string]NIC
	Memory     Memory
	Runtime    Runtime
}

func Measure ¶

func Measure(ctx context.Context) (Metrics, error)

type NIC ¶

type NIC struct {
	BytesReceived uint64
	BytesSent     uint64
}

type ProcessCPU ¶

type ProcessCPU struct {
	User   float64
	System float64
}

type Reporter ¶

type Reporter struct {
	Start        time.Time
	End          time.Time
	MetricsCount int
	// contains filtered or unexported fields
}

func NewReporter ¶

func NewReporter(opts ...ReporterOption) *Reporter

func (*Reporter) Measure ¶

func (r *Reporter) Measure(ctx context.Context, intervals int64) error

Measure takes a snapshot of system metrics and sends them to a LightStep endpoint.

type ReporterOption ¶

type ReporterOption func(*config)

func WithReporterAccessToken ¶

func WithReporterAccessToken(accessToken string) ReporterOption

WithReporterAccessToken sets an access token for communicating with LightStep

func WithReporterAddress ¶

func WithReporterAddress(address string) ReporterOption

WithReporterAddress sets the address of the LightStep endpoint

func WithReporterAttributes ¶

func WithReporterAttributes(attributes map[string]string) ReporterOption

WithReporterAttributes sets attributes reported back to LightStep

func WithReporterMeasurementDuration ¶

func WithReporterMeasurementDuration(measurementDuration time.Duration) ReporterOption

WithReporterMeasurementDuration sets the duration reported back to LightStep

func WithReporterTimeout ¶

func WithReporterTimeout(timeout time.Duration) ReporterOption

WithReporterTimeout sets the timeout when communicating with LightStep

func WithReporterTracerID ¶

func WithReporterTracerID(tracerID uint64) ReporterOption

WithReporterTracerID sets the tracer ID reported back to LightStep

type Runtime ¶

type Runtime struct {
	NumGC        uint64
	NumGoroutine uint64
}

Source Files ¶

metrics.go package.go reporter.go