kronosstats

Documentation

Index

• Variables
• type KronosMetrics
  • func NewMetrics() *KronosMetrics

Variables

var (
	MetaKronosDelta = metric.Metadata{
		Name: "kronos.delta",
		Help: "Offset between local time and kronos time"}
	MetaKronosUptimeDelta = metric.Metadata{
		Name: "kronos.uptimedelta",
		Help: "Offset between local uptime and kronos uptime"}
	MetaKronosIsOracle = metric.Metadata{
		Name: "kronos.oracle",
		Help: "1 if the current node is the oracle, 0 otherwise"}
	MetaKronosOverthrowCounter = metric.Metadata{
		Name: "kronos.overthrow.count",
		Help: "Number of oracle overthrow attempts"}
	MetaKronosRTT = metric.Metadata{
		Name: "kronos.rtt",
		Help: "RTT of Kronos RPCs"}
	MetaKronosSyncSuccess = metric.Metadata{
		Name: "kronos.sync.success.count",
		Help: "Number of successful syncs with the oracle"}
	MetaKronosSyncFailure = metric.Metadata{
		Name: "kronos.sync.failure.count",
		Help: "Number of failed syncs with the oracle"}
	MetaKronosTimeCap = metric.Metadata{
		Name: "kronos.timecap",
		Help: "Time cap of Kronos"}
	MetaKronosUptimeCap = metric.Metadata{
		Name: "kronos.uptimecap",
		Help: "Time cap of Kronos Uptime"}
)

Fully-qualified names for metrics.

Types

type KronosMetrics

type KronosMetrics struct {
	// Delta is the offset between local time with kronos time.
	Delta *metric.Gauge
	// UptimeDelta is the offset between local time with kronos uptime.
	UptimeDelta *metric.Gauge
	// IsOracle is 1 if the current server is the oracle, otherwise 0.
	IsOracle *metric.Gauge
	// OverthrowAttemptCount is the number of oracle overthrow attempts.
	OverthrowAttemptCount *metric.Counter
	// RTT is the histogram of RTT of oracle time queries.
	RTT *metric.Histogram
	// SyncSuccessCount is the number of successful time syncs with the oracle.
	SyncSuccessCount *metric.Counter
	// SyncFailureCount is the number of failed time syncs with the oracle.
	SyncFailureCount *metric.Counter
	// TimeCap is an upper bound to kronos time.
	TimeCap *metric.Gauge
	// TimeCap is an upper bound to kronos uptime.
	UptimeCap *metric.Gauge
}

KronosMetrics is used to record metrics of Kronos

func NewMetrics

func NewMetrics() *KronosMetrics

NewMetrics returns KronosMetrics which can be used to record metrics