How to use Format method of metrics Package

Best K6 code snippet using metrics.Format

metrics.go

Source:metrics.go

...40		Subsystem:    "state",41		Name:         "height",42		Help:         "Current ledger height",43		LabelNames:   []string{"channel"},44		StatsdFormat: "%{#fqname}.%{channel}",45	}46	CommitDurationOpts = metrics.HistogramOpts{47		Namespace:    "gossip",48		Subsystem:    "state",49		Name:         "commit_duration",50		Help:         "Time it takes to commit a block in seconds",51		LabelNames:   []string{"channel"},52		StatsdFormat: "%{#fqname}.%{channel}",53	}54	PayloadBufferSizeOpts = metrics.GaugeOpts{55		Namespace:    "gossip",56		Subsystem:    "payload_buffer",57		Name:         "size",58		Help:         "Size of the payload buffer",59		LabelNames:   []string{"channel"},60		StatsdFormat: "%{#fqname}.%{channel}",61	}62)63// ElectionMetrics encapsulates gossip leader election related metrics64type ElectionMetrics struct {65	Declaration metrics.Gauge66}67func newElectionMetrics(p metrics.Provider) *ElectionMetrics {68	return &ElectionMetrics{69		Declaration: p.NewGauge(LeaderDeclerationOpts),70	}71}72var (73	LeaderDeclerationOpts = metrics.GaugeOpts{74		Namespace:    "gossip",75		Subsystem:    "leader_election",76		Name:         "leader",77		Help:         "Peer is leader (1) or follower (0)",78		LabelNames:   []string{"channel"},79		StatsdFormat: "%{#fqname}.%{channel}",80	}81)82// CommMetrics encapsulates gossip communication related metrics83type CommMetrics struct {84	SentMessages     metrics.Counter85	BufferOverflow   metrics.Counter86	ReceivedMessages metrics.Counter87}88func newCommMetrics(p metrics.Provider) *CommMetrics {89	return &CommMetrics{90		SentMessages:     p.NewCounter(SentMessagesOpts),91		BufferOverflow:   p.NewCounter(BufferOverflowOpts),92		ReceivedMessages: p.NewCounter(ReceivedMessagesOpts),93	}94}95var (96	SentMessagesOpts = metrics.CounterOpts{97		Namespace:    "gossip",98		Subsystem:    "comm",99		Name:         "messages_sent",100		Help:         "Number of messages sent",101		StatsdFormat: "%{#fqname}",102	}103	BufferOverflowOpts = metrics.CounterOpts{104		Namespace:    "gossip",105		Subsystem:    "comm",106		Name:         "overflow_count",107		Help:         "Number of outgoing queue buffer overflows",108		StatsdFormat: "%{#fqname}",109	}110	ReceivedMessagesOpts = metrics.CounterOpts{111		Namespace:    "gossip",112		Subsystem:    "comm",113		Name:         "messages_received",114		Help:         "Number of messages received",115		StatsdFormat: "%{#fqname}",116	}117)118// MembershipMetrics encapsulates gossip channel membership related metrics119type MembershipMetrics struct {120	Total metrics.Gauge121}122func newMembershipMetrics(p metrics.Provider) *MembershipMetrics {123	return &MembershipMetrics{124		Total: p.NewGauge(TotalOpts),125	}126}127var (128	TotalOpts = metrics.GaugeOpts{129		Namespace:    "gossip",130		Subsystem:    "membership",131		Name:         "total_peers_known",132		Help:         "Total known peers",133		LabelNames:   []string{"channel"},134		StatsdFormat: "%{#fqname}.%{channel}",135	}136)137// PrivdataMetrics encapsulates gossip private data related metrics138type PrivdataMetrics struct {139	ValidationDuration             metrics.Histogram140	ListMissingPrivateDataDuration metrics.Histogram141	FetchDuration                  metrics.Histogram142	CommitPrivateDataDuration      metrics.Histogram143	PurgeDuration                  metrics.Histogram144	SendDuration                   metrics.Histogram145	ReconciliationDuration         metrics.Histogram146	PullDuration                   metrics.Histogram147	RetrieveDuration               metrics.Histogram148}149func newPrivdataMetrics(p metrics.Provider) *PrivdataMetrics {150	return &PrivdataMetrics{151		ValidationDuration:             p.NewHistogram(ValidationDurationOpts),152		ListMissingPrivateDataDuration: p.NewHistogram(ListMissingPrivateDataDurationOpts),153		FetchDuration:                  p.NewHistogram(FetchDurationOpts),154		CommitPrivateDataDuration:      p.NewHistogram(CommitPrivateDataDurationOpts),155		PurgeDuration:                  p.NewHistogram(PurgeDurationOpts),156		SendDuration:                   p.NewHistogram(SendDurationOpts),157		ReconciliationDuration:         p.NewHistogram(ReconciliationDurationOpts),158		PullDuration:                   p.NewHistogram(PullDurationOpts),159		RetrieveDuration:               p.NewHistogram(RetrieveDurationOpts),160	}161}162var (163	ValidationDurationOpts = metrics.HistogramOpts{164		Namespace:    "gossip",165		Subsystem:    "privdata",166		Name:         "validation_duration",167		Help:         "Time it takes to validate a block (in seconds)",168		LabelNames:   []string{"channel"},169		StatsdFormat: "%{#fqname}.%{channel}",170	}171	ListMissingPrivateDataDurationOpts = metrics.HistogramOpts{172		Namespace:    "gossip",173		Subsystem:    "privdata",174		Name:         "list_missing_duration",175		Help:         "Time it takes to list the missing private data (in seconds)",176		LabelNames:   []string{"channel"},177		StatsdFormat: "%{#fqname}.%{channel}",178	}179	FetchDurationOpts = metrics.HistogramOpts{180		Namespace:    "gossip",181		Subsystem:    "privdata",182		Name:         "fetch_duration",183		Help:         "Time it takes to fetch missing private data from peers (in seconds)",184		LabelNames:   []string{"channel"},185		StatsdFormat: "%{#fqname}.%{channel}",186	}187	CommitPrivateDataDurationOpts = metrics.HistogramOpts{188		Namespace:    "gossip",189		Subsystem:    "privdata",190		Name:         "commit_block_duration",191		Help:         "Time it takes to commit private data and the corresponding block (in seconds)",192		LabelNames:   []string{"channel"},193		StatsdFormat: "%{#fqname}.%{channel}",194	}195	PurgeDurationOpts = metrics.HistogramOpts{196		Namespace:    "gossip",197		Subsystem:    "privdata",198		Name:         "purge_duration",199		Help:         "Time it takes to purge private data (in seconds)",200		LabelNames:   []string{"channel"},201		StatsdFormat: "%{#fqname}.%{channel}",202	}203	SendDurationOpts = metrics.HistogramOpts{204		Namespace:    "gossip",205		Subsystem:    "privdata",206		Name:         "send_duration",207		Help:         "Time it takes to send a missing private data element (in seconds)",208		LabelNames:   []string{"channel"},209		StatsdFormat: "%{#fqname}.%{channel}",210	}211	ReconciliationDurationOpts = metrics.HistogramOpts{212		Namespace:    "gossip",213		Subsystem:    "privdata",214		Name:         "reconciliation_duration",215		Help:         "Time it takes for reconciliation to complete (in seconds)",216		LabelNames:   []string{"channel"},217		StatsdFormat: "%{#fqname}.%{channel}",218	}219	PullDurationOpts = metrics.HistogramOpts{220		Namespace:    "gossip",221		Subsystem:    "privdata",222		Name:         "pull_duration",223		Help:         "Time it takes to pull a missing private data element (in seconds)",224		LabelNames:   []string{"channel"},225		StatsdFormat: "%{#fqname}.%{channel}",226	}227	RetrieveDurationOpts = metrics.HistogramOpts{228		Namespace:    "gossip",229		Subsystem:    "privdata",230		Name:         "retrieve_duration",231		Help:         "Time it takes to retrieve missing private data elements from the ledger (in seconds)",232		LabelNames:   []string{"channel"},233		StatsdFormat: "%{#fqname}.%{channel}",234	}235)...

metricshelper.go

Source:metricshelper.go

...22// PushMetricsData is a helper function that is similar to ConsumeMetricsData but also returns23// the number of dropped metrics.24type PushMetricsData func(ctx context.Context, td data.MetricsData) (droppedMetrics int, err error)25type metricsExporter struct {26	exporterFormat  string27	pushMetricsData PushMetricsData28}29var _ (exporter.MetricsExporter) = (*metricsExporter)(nil)30func (me *metricsExporter) MetricsExportFormat() string {31	return me.exporterFormat32}33func (me *metricsExporter) ConsumeMetricsData(ctx context.Context, md data.MetricsData) error {34	exporterCtx := observability.ContextWithExporterName(ctx, me.exporterFormat)35	_, err := me.pushMetricsData(exporterCtx, md)36	return err37}38// NewMetricsExporter creates an MetricsExporter that can record metrics and can wrap every request with a Span.39// If no options are passed it just adds the exporter format as a tag in the Context.40// TODO: Add support for recordMetrics.41// TODO: Add support for retries.42func NewMetricsExporter(exporterFormat string, pushMetricsData PushMetricsData, options ...ExporterOption) (exporter.MetricsExporter, error) {43	if exporterFormat == "" {44		return nil, errEmptyExporterFormat45	}46	if pushMetricsData == nil {47		return nil, errNilPushMetricsData48	}49	opts := newExporterOptions(options...)50	if opts.spanName != "" {51		pushMetricsData = pushMetricsDataWithSpan(pushMetricsData, opts.spanName)52	}53	return &metricsExporter{54		exporterFormat:  exporterFormat,55		pushMetricsData: pushMetricsData,56	}, nil57}58func pushMetricsDataWithSpan(next PushMetricsData, spanName string) PushMetricsData {59	return func(ctx context.Context, md data.MetricsData) (int, error) {60		ctx, span := trace.StartSpan(ctx, spanName)61		defer span.End()62		// Call next stage.63		droppedMetrics, err := next(ctx, md)64		if span.IsRecordingEvents() {65			span.AddAttributes(66				trace.Int64Attribute(numReceivedMetricsAttribute, int64(len(md.Metrics))),67				trace.Int64Attribute(numDroppedMetricsAttribute, int64(droppedMetrics)),68			)...

Format

Using AI Code Generation

1import (2var (3    counter = promauto.NewCounter(prometheus.CounterOpts{4    })5    gauge = promauto.NewGauge(prometheus.GaugeOpts{6    })7    histogram = promauto.NewHistogram(prometheus.HistogramOpts{8    })9func main() {10    log.Println("Starting server")11    http.Handle("/metrics", promhttp.Handler())12    go func() {13        log.Fatal(http.ListenAndServe(":2112", nil))14    }()15    c := cron.New()16    c.AddFunc("@every 5s", func() {17        counter.Add(1)18        gauge.Add(1)19        histogram.Observe(1)20    })21    c.Start()22    fmt.Println("Press Ctrl+C to stop...")23    select {}24}25net/http.(*conn).serve.func1(0xc0000a0a00)26panic(0x4c0e00, 0x6c4b90)27github.com/prometheus/client_golang/prometheus.(*Registry).Gather(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

Format

Using AI Code Generation

1import (2func main() {3	m := metrics.NewMeter()4	m.Mark(47)5	fmt.Println(metrics.DefaultRegistry)6	fmt.Println(metrics.DefaultRegistry.Get("meter"))7	fmt.Println(metrics.DefaultRegistry

Format

Using AI Code Generation

1import (2func main() {3    counter := metrics.NewCounter()4    metrics.Register("counter", counter)5    counter.Inc(5)6    fmt.Println("Counter: ", metrics.Get("counter"))7    gauge := metrics.NewGauge()8    metrics.Register("gauge", gauge)9    gauge.Update(10)10    fmt.Println("Gauge: ", metrics.Get("gauge"))11    histogram := metrics.NewHistogram(metrics.NewUniformSample(100))12    metrics.Register("histogram", histogram)13    histogram.Update(1)14    fmt.Println("Histogram: ", metrics.Get("histogram"))15    meter := metrics.NewMeter()16    metrics.Register("meter", meter)17    meter.Mark(1)18    fmt.Println("Meter: ", metrics.Get("meter"))19    timer := metrics.NewTimer()20    metrics.Register("timer", timer)21    timer.Update(1)22    fmt.Println("Timer: ", metrics.Get("timer"))23    fmt.Println(metrics.DefaultRegistry)24}25Histogram:  {1 1 1 1 1 1 1 1 1 1}26Meter:  {1 0 0 0 0 0 0 0 0 0}27Timer:  {1 0 0 0 0 0 0 0 0 0}28{counter: 5, gauge: 10, histogram: {1 1 1 1 1 1 1 1 1 1}, meter: {1 0 0 0 0 0 0 0 0 0}, timer: {1 0 0 0 0 0 0 0 0 0}}

Format

Using AI Code Generation

1import (2func main() {3    summary := prometheus.NewSummary(prometheus.SummaryOpts{4    })5    prometheus.MustRegister(summary)6    summary.Observe(10)7    summary.Observe(20)8    summary.Observe(30)9    prometheus.Unregister(summary)10    fmt.Println("Hello, playground")11}12my_summary{quantile="0.5"} 2013my_summary{quantile="0.9"} 3014my_summary{quantile="0.99"} 3015import (16func main() {17    histogram := prometheus.NewHistogram(prometheus.HistogramOpts{18        Buckets: []float64{.25, .5, 1, 2.5, 5, 10},19    })

Format

Using AI Code Generation

1import (2func main() {3	fmt.Println(prometheus.BuildFQName("namespace","subsystem","metricname"))4}5import (6func main() {7	counterVec := prometheus.NewCounterVec(8		prometheus.CounterOpts{9		},10		[]string{"code", "method"},11	prometheus.MustRegister(counterVec)12	counterVec.WithLabelValues("200", "GET").Inc()13	counterVec.WithLabelValues("500", "POST").Inc()14	counterVec.WithLabelValues("200", "GET").Inc()15	counterVec.WithLabelValues("200", "GET").Inc()16	fmt.Println("The values of the counters are:")17	for _, metric := range counterVec.MetricVec.Metrics {18		fmt.Println(metric)19	}20}21import (22func main() {23	gaugeVec := prometheus.NewGaugeVec(24		prometheus.GaugeOpts{25		},26		[]string{"code", "method"},27	prometheus.MustRegister(gaugeVec)

Format

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    myGauge := prometheus.NewGauge(prometheus.GaugeOpts{5    })6    myGauge.Set(42)7    fmt.Println(prometheus.DefaultGatherer.Format(myGauge))8}9import (10func main() {11    fmt.Println("Hello, playground")12    myGauge := prometheus.NewGauge(prometheus.GaugeOpts{13    })14    myGauge.Set(42)15    prometheus.MustRegister(myGauge)16    http.Handle("/metrics", promhttp.Handler())17    http.ListenAndServe(":8080", nil)18}19import (20func main() {21    fmt.Println("Hello, playground")22    myGauge := prometheus.NewGauge(prometheus.GaugeOpts{23    })24    myGauge.Set(42)25    prometheus.MustRegister(myGauge)

Format

Using AI Code Generation

1import (2func main() {3	file, err := ioutil.ReadFile("1.go")4	if err != nil {5		log.Fatal(err)6	}7	formatted, err := format.Source(file)8	if err != nil {9		log.Fatal(err)10	}11	if err := ioutil.WriteFile("1.go", formatted, 0644); err != nil {12		log.Fatal(err)13	}14}15import (16func main() {17	file, err := ioutil.ReadFile("2.go")18	if err != nil {19		log.Fatal(err)20	}21	formatted, err := format.Source(file)22	if err != nil {23		log.Fatal(err)24	}25	if err := ioutil.WriteFile("2.go", formatted, 0644); err != nil {26		log.Fatal(err)27	}28}29import (30func main() {31	file, err := ioutil.ReadFile("3.go")32	if err != nil {33		log.Fatal(err)34	}35	formatted, err := format.Source(file)36	if err != nil {37		log.Fatal(err)38	}39	if err := ioutil.WriteFile("3.go", formatted, 0644); err != nil {40		log.Fatal(err)41	}42}43import (44func main() {45	file, err := ioutil.ReadFile("4.go")46	if err != nil {47		log.Fatal(err)48	}49	formatted, err := format.Source(file)50	if err != nil {51		log.Fatal(err)52	}53	if err := ioutil.WriteFile("4.go", formatted, 0644); err != nil {

Format

Using AI Code Generation

1import "github.com/rcrowley/go-metrics"2func main() {3  r := metrics.NewRegistry()4  c := metrics.NewCounter()5  r.Register("counter", c)6  c.Inc(1)7  metrics.WriteOnce(r, os.Stdout)8}9import (10func main() {11  r := metrics.NewRegistry()12  c := metrics.NewCounter()13  r.Register("counter", c)14  c.Inc(1)15  fmt.Println("Metrics:", metrics.Format(r))16}17import (18func main() {19  r := metrics.NewRegistry()20  c := metrics.NewCounter()21  r.Register("counter", c)22  c.Inc(1)23  fmt.Println("Metrics:", metrics.Format(r))24}25import (26func main() {27  r := metrics.NewRegistry()28  c := metrics.NewCounter()29  r.Register("counter", c)30  c.Inc(1)31  fmt.Println("Metrics:", metrics.Format(r))32}

Format

Using AI Code Generation

1import (2func main() {3	metrics := metrics.NewRegistry()4	counter := metrics.NewCounter()5	counter.Inc(1)6	fmt.Println(counter.Count())7}8import (9func main() {10	metrics := metrics.NewRegistry()11	counter := metrics.NewCounter()12	counter.Inc(1)13	fmt.Println(metrics.GetMetrics())14}15import (16func main() {17	metrics := metrics.NewRegistry()18	counter := metrics.NewCounter()19	counter.Inc(1)20	fmt.Println(metrics.GetMetricSet("Counter"))21}22import (23func main() {24	metrics := metrics.NewRegistry()25	counter := metrics.NewCounter()26	counter.Inc(1)27	fmt.Println(metrics.GetSnapshot())28}

Format

Using AI Code Generation

1import (2func main() {3    p, err := process.NewProcess(1)4    if err != nil {5        fmt.Println(err)6    }7    fmt.Println(p.Format("process.memory.rss"))8}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.