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336 lines
13 KiB
336 lines
13 KiB
package consensus
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import (
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"strings"
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"time"
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"github.com/go-kit/kit/metrics"
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"github.com/go-kit/kit/metrics/discard"
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cstypes "github.com/tendermint/tendermint/internal/consensus/types"
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"github.com/tendermint/tendermint/types"
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prometheus "github.com/go-kit/kit/metrics/prometheus"
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stdprometheus "github.com/prometheus/client_golang/prometheus"
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)
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const (
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// MetricsSubsystem is a subsystem shared by all metrics exposed by this
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// package.
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MetricsSubsystem = "consensus"
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)
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// Metrics contains metrics exposed by this package.
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type Metrics struct {
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// Height of the chain.
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Height metrics.Gauge
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// ValidatorLastSignedHeight of a validator.
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ValidatorLastSignedHeight metrics.Gauge
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// Number of rounds.
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Rounds metrics.Gauge
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// Histogram of round duration.
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RoundDuration metrics.Histogram
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// Number of validators.
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Validators metrics.Gauge
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// Total power of all validators.
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ValidatorsPower metrics.Gauge
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// Power of a validator.
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ValidatorPower metrics.Gauge
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// Amount of blocks missed by a validator.
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ValidatorMissedBlocks metrics.Gauge
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// Number of validators who did not sign.
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MissingValidators metrics.Gauge
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// Total power of the missing validators.
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MissingValidatorsPower metrics.Gauge
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// Number of validators who tried to double sign.
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ByzantineValidators metrics.Gauge
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// Total power of the byzantine validators.
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ByzantineValidatorsPower metrics.Gauge
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// Time between this and the last block.
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BlockIntervalSeconds metrics.Histogram
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// Number of transactions.
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NumTxs metrics.Gauge
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// Size of the block.
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BlockSizeBytes metrics.Histogram
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// Total number of transactions.
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TotalTxs metrics.Gauge
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// The latest block height.
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CommittedHeight metrics.Gauge
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// Whether or not a node is block syncing. 1 if yes, 0 if no.
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BlockSyncing metrics.Gauge
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// Whether or not a node is state syncing. 1 if yes, 0 if no.
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StateSyncing metrics.Gauge
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// Number of blockparts transmitted by peer.
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BlockParts metrics.Counter
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// Histogram of step duration.
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StepDuration metrics.Histogram
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stepStart time.Time
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// Histogram of time taken to receive a block in seconds, measured between when a new block is first
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// discovered to when the block is completed.
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BlockGossipReceiveLatency metrics.Histogram
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blockGossipStart time.Time
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// Number of block parts received by the node, separated by whether the part
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// was relevant to the block the node is trying to gather or not.
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BlockGossipPartsReceived metrics.Counter
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// QuroumPrevoteMessageDelay is the interval in seconds between the proposal
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// timestamp and the timestamp of the earliest prevote that achieved a quorum
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// during the prevote step.
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//
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// To compute it, sum the voting power over each prevote received, in increasing
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// order of timestamp. The timestamp of the first prevote to increase the sum to
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// be above 2/3 of the total voting power of the network defines the endpoint
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// the endpoint of the interval. Subtract the proposal timestamp from this endpoint
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// to obtain the quorum delay.
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QuorumPrevoteMessageDelay metrics.Gauge
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// FullPrevoteMessageDelay is the interval in seconds between the proposal
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// timestamp and the timestamp of the latest prevote in a round where 100%
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// of the voting power on the network issued prevotes.
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FullPrevoteMessageDelay metrics.Gauge
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}
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// PrometheusMetrics returns Metrics build using Prometheus client library.
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// Optionally, labels can be provided along with their values ("foo",
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// "fooValue").
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func PrometheusMetrics(namespace string, labelsAndValues ...string) *Metrics {
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labels := []string{}
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for i := 0; i < len(labelsAndValues); i += 2 {
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labels = append(labels, labelsAndValues[i])
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}
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return &Metrics{
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Height: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "height",
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Help: "Height of the chain.",
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}, labels).With(labelsAndValues...),
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Rounds: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "rounds",
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Help: "Number of rounds.",
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}, labels).With(labelsAndValues...),
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RoundDuration: prometheus.NewHistogramFrom(stdprometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "round_duration",
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Help: "Time spent in a round.",
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Buckets: stdprometheus.ExponentialBucketsRange(0.1, 100, 8),
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}, labels).With(labelsAndValues...),
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Validators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "validators",
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Help: "Number of validators.",
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}, labels).With(labelsAndValues...),
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ValidatorLastSignedHeight: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "validator_last_signed_height",
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Help: "Last signed height for a validator",
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}, append(labels, "validator_address")).With(labelsAndValues...),
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ValidatorMissedBlocks: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "validator_missed_blocks",
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Help: "Total missed blocks for a validator",
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}, append(labels, "validator_address")).With(labelsAndValues...),
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ValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "validators_power",
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Help: "Total power of all validators.",
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}, labels).With(labelsAndValues...),
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ValidatorPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "validator_power",
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Help: "Power of a validator",
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}, append(labels, "validator_address")).With(labelsAndValues...),
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MissingValidators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "missing_validators",
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Help: "Number of validators who did not sign.",
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}, labels).With(labelsAndValues...),
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MissingValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "missing_validators_power",
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Help: "Total power of the missing validators.",
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}, labels).With(labelsAndValues...),
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ByzantineValidators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "byzantine_validators",
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Help: "Number of validators who tried to double sign.",
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}, labels).With(labelsAndValues...),
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ByzantineValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "byzantine_validators_power",
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Help: "Total power of the byzantine validators.",
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}, labels).With(labelsAndValues...),
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BlockIntervalSeconds: prometheus.NewHistogramFrom(stdprometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "block_interval_seconds",
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Help: "Time between this and the last block.",
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}, labels).With(labelsAndValues...),
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NumTxs: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "num_txs",
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Help: "Number of transactions.",
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}, labels).With(labelsAndValues...),
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BlockSizeBytes: prometheus.NewHistogramFrom(stdprometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "block_size_bytes",
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Help: "Size of the block.",
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}, labels).With(labelsAndValues...),
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TotalTxs: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "total_txs",
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Help: "Total number of transactions.",
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}, labels).With(labelsAndValues...),
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CommittedHeight: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "latest_block_height",
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Help: "The latest block height.",
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}, labels).With(labelsAndValues...),
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BlockSyncing: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "block_syncing",
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Help: "Whether or not a node is block syncing. 1 if yes, 0 if no.",
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}, labels).With(labelsAndValues...),
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StateSyncing: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "state_syncing",
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Help: "Whether or not a node is state syncing. 1 if yes, 0 if no.",
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}, labels).With(labelsAndValues...),
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BlockParts: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "block_parts",
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Help: "Number of blockparts transmitted by peer.",
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}, append(labels, "peer_id")).With(labelsAndValues...),
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BlockGossipReceiveLatency: prometheus.NewHistogramFrom(stdprometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "block_gossip_receive_latency",
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Help: "Difference in seconds between when the validator learns of a new block" +
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"and when the validator receives the last piece of the block.",
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Buckets: stdprometheus.ExponentialBucketsRange(0.1, 100, 8),
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}, labels).With(labelsAndValues...),
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BlockGossipPartsReceived: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "block_gossip_parts_received",
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Help: "Number of block parts received by the node, labeled by whether the " +
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"part was relevant to the block the node was currently gathering or not.",
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}, append(labels, "matches_current")).With(labelsAndValues...),
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StepDuration: prometheus.NewHistogramFrom(stdprometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "step_duration",
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Help: "Time spent per step.",
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Buckets: stdprometheus.ExponentialBucketsRange(0.1, 100, 8),
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}, append(labels, "step")).With(labelsAndValues...),
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QuorumPrevoteMessageDelay: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "quorum_prevote_message_delay",
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Help: "Difference in seconds between the proposal timestamp and the timestamp " +
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"of the latest prevote that achieved a quorum in the prevote step.",
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}, labels).With(labelsAndValues...),
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FullPrevoteMessageDelay: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "full_prevote_message_delay",
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Help: "Difference in seconds between the proposal timestamp and the timestamp " +
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"of the latest prevote that achieved 100% of the voting power in the prevote step.",
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}, labels).With(labelsAndValues...),
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}
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}
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// NopMetrics returns no-op Metrics.
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func NopMetrics() *Metrics {
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return &Metrics{
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Height: discard.NewGauge(),
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ValidatorLastSignedHeight: discard.NewGauge(),
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Rounds: discard.NewGauge(),
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RoundDuration: discard.NewHistogram(),
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StepDuration: discard.NewHistogram(),
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Validators: discard.NewGauge(),
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ValidatorsPower: discard.NewGauge(),
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ValidatorPower: discard.NewGauge(),
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ValidatorMissedBlocks: discard.NewGauge(),
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MissingValidators: discard.NewGauge(),
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MissingValidatorsPower: discard.NewGauge(),
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ByzantineValidators: discard.NewGauge(),
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ByzantineValidatorsPower: discard.NewGauge(),
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BlockIntervalSeconds: discard.NewHistogram(),
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NumTxs: discard.NewGauge(),
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BlockSizeBytes: discard.NewHistogram(),
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TotalTxs: discard.NewGauge(),
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CommittedHeight: discard.NewGauge(),
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BlockSyncing: discard.NewGauge(),
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StateSyncing: discard.NewGauge(),
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BlockParts: discard.NewCounter(),
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BlockGossipReceiveLatency: discard.NewHistogram(),
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BlockGossipPartsReceived: discard.NewCounter(),
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QuorumPrevoteMessageDelay: discard.NewGauge(),
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FullPrevoteMessageDelay: discard.NewGauge(),
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}
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}
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// RecordConsMetrics uses for recording the block related metrics during fast-sync.
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func (m *Metrics) RecordConsMetrics(block *types.Block) {
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m.NumTxs.Set(float64(len(block.Data.Txs)))
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m.TotalTxs.Add(float64(len(block.Data.Txs)))
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m.BlockSizeBytes.Observe(float64(block.Size()))
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m.CommittedHeight.Set(float64(block.Height))
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}
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func (m *Metrics) MarkBlockGossipStarted() {
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m.blockGossipStart = time.Now()
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}
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func (m *Metrics) MarkBlockGossipComplete() {
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m.BlockGossipReceiveLatency.Observe(time.Since(m.blockGossipStart).Seconds())
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}
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func (m *Metrics) MarkRound(r int32, st time.Time) {
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m.Rounds.Set(float64(r))
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roundTime := time.Since(st).Seconds()
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m.RoundDuration.Observe(roundTime)
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}
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func (m *Metrics) MarkStep(s cstypes.RoundStepType) {
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if !m.stepStart.IsZero() {
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stepTime := time.Since(m.stepStart).Seconds()
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stepName := strings.TrimPrefix(s.String(), "RoundStep")
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m.StepDuration.With("step", stepName).Observe(stepTime)
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}
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m.stepStart = time.Now()
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}
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