How to use set method of gauge Package

...23		)24		BeforeEach(func() {25			fakeMetricsProvider = &mock.MetricsProvider{}26		})27		It("initializes a new set of metrics", func() {28			m := kafka.NewMetrics(fakeMetricsProvider, fakeMetricsRegistry)29			Expect(m).NotTo(BeNil())30			Expect(fakeMetricsProvider.NewGaugeCallCount()).To(Equal(12))31			Expect(m.GoMetricsRegistry).To(Equal(fakeMetricsRegistry))32		})33	})34	Describe("PollGoMetrics", func() {35		var (36			// The fake gometrics sources37			fakeIncomingByteRateMeter      *mock.MetricsMeter38			fakeOutgoingByteRateMeter      *mock.MetricsMeter39			fakeRequestRateMeter           *mock.MetricsMeter40			fakeRequestSizeHistogram       *mock.MetricsHistogram41			fakeRequestLatencyHistogram    *mock.MetricsHistogram...

1/*2Copyright IBM Corp. All Rights Reserved.3SPDX-License-Identifier: Apache-2.04*/5package goruntime6import (7	"runtime"8	"time"9	"github.com/hyperledger/fabric/common/metrics"10)11type Collector struct {12	CgoCalls       metrics.Gauge13	GoRoutines     metrics.Gauge14	ThreadsCreated metrics.Gauge15	HeapAlloc      metrics.Gauge16	TotalAlloc     metrics.Gauge17	Mallocs        metrics.Gauge18	Frees          metrics.Gauge19	HeapSys        metrics.Gauge20	HeapIdle       metrics.Gauge21	HeapInuse      metrics.Gauge22	HeapReleased   metrics.Gauge23	HeapObjects    metrics.Gauge24	StackInuse     metrics.Gauge25	StackSys       metrics.Gauge26	MSpanInuse     metrics.Gauge27	MSpanSys       metrics.Gauge28	MCacheInuse    metrics.Gauge29	MCacheSys      metrics.Gauge30	BuckHashSys    metrics.Gauge31	GCSys          metrics.Gauge32	OtherSys       metrics.Gauge33	NextGC         metrics.Gauge34	LastGC         metrics.Gauge35	PauseTotalNs   metrics.Gauge36	PauseNs        metrics.Gauge37	NumGC          metrics.Gauge38	NumForcedGC    metrics.Gauge39}40func NewCollector(p metrics.Provider) *Collector {41	return &Collector{42		CgoCalls:       p.NewGauge(cgoCallsGaugeOpts),43		GoRoutines:     p.NewGauge(goRoutinesGaugeOpts),44		ThreadsCreated: p.NewGauge(threadsCreatedGaugeOpts),45		HeapAlloc:      p.NewGauge(heapAllocGaugeOpts),46		TotalAlloc:     p.NewGauge(totalAllocGaugeOpts),47		Mallocs:        p.NewGauge(mallocsGaugeOpts),48		Frees:          p.NewGauge(freesGaugeOpts),49		HeapSys:        p.NewGauge(heapSysGaugeOpts),50		HeapIdle:       p.NewGauge(heapIdleGaugeOpts),51		HeapInuse:      p.NewGauge(heapInuseGaugeOpts),52		HeapReleased:   p.NewGauge(heapReleasedGaugeOpts),53		HeapObjects:    p.NewGauge(heapObjectsGaugeOpts),54		StackInuse:     p.NewGauge(stackInuseGaugeOpts),55		StackSys:       p.NewGauge(stackSysGaugeOpts),56		MSpanInuse:     p.NewGauge(mSpanInuseGaugeOpts),57		MSpanSys:       p.NewGauge(mSpanSysGaugeOpts),58		MCacheInuse:    p.NewGauge(mCacheInuseGaugeOpts),59		MCacheSys:      p.NewGauge(mCacheSysGaugeOpts),60		BuckHashSys:    p.NewGauge(buckHashSysGaugeOpts),61		GCSys:          p.NewGauge(gCSysGaugeOpts),62		OtherSys:       p.NewGauge(otherSysGaugeOpts),63		NextGC:         p.NewGauge(nextGCGaugeOpts),64		LastGC:         p.NewGauge(lastGCGaugeOpts),65		PauseTotalNs:   p.NewGauge(pauseTotalNsGaugeOpts),66		PauseNs:        p.NewGauge(pauseNsGaugeOpts),67		NumGC:          p.NewGauge(numGCGaugeOpts),68		NumForcedGC:    p.NewGauge(numForcedGCGaugeOpts),69	}70}71func (c *Collector) CollectAndPublish(ticks <-chan time.Time) {72	for range ticks {73		stats := CollectStats()74		c.Publish(stats)75	}76}77func (c *Collector) Publish(stats Stats) {78	c.CgoCalls.Set(float64(stats.CgoCalls))79	c.GoRoutines.Set(float64(stats.GoRoutines))80	c.ThreadsCreated.Set(float64(stats.ThreadsCreated))81	c.HeapAlloc.Set(float64(stats.MemStats.HeapAlloc))82	c.TotalAlloc.Set(float64(stats.MemStats.TotalAlloc))83	c.Mallocs.Set(float64(stats.MemStats.Mallocs))84	c.Frees.Set(float64(stats.MemStats.Frees))85	c.HeapSys.Set(float64(stats.MemStats.HeapSys))86	c.HeapIdle.Set(float64(stats.MemStats.HeapIdle))87	c.HeapInuse.Set(float64(stats.MemStats.HeapInuse))88	c.HeapReleased.Set(float64(stats.MemStats.HeapReleased))89	c.HeapObjects.Set(float64(stats.MemStats.HeapObjects))90	c.StackInuse.Set(float64(stats.MemStats.StackInuse))91	c.StackSys.Set(float64(stats.MemStats.StackSys))92	c.MSpanInuse.Set(float64(stats.MemStats.MSpanInuse))93	c.MSpanSys.Set(float64(stats.MemStats.MSpanSys))94	c.MCacheInuse.Set(float64(stats.MemStats.MCacheInuse))95	c.MCacheSys.Set(float64(stats.MemStats.MCacheSys))96	c.BuckHashSys.Set(float64(stats.MemStats.BuckHashSys))97	c.GCSys.Set(float64(stats.MemStats.GCSys))98	c.OtherSys.Set(float64(stats.MemStats.OtherSys))99	c.NextGC.Set(float64(stats.MemStats.NextGC))100	c.LastGC.Set(float64(stats.MemStats.LastGC))101	c.PauseTotalNs.Set(float64(stats.MemStats.PauseTotalNs))102	c.PauseNs.Set(float64(stats.MemStats.PauseNs[(stats.MemStats.NumGC+255)%256]))103	c.NumGC.Set(float64(stats.MemStats.NumGC))104	c.NumForcedGC.Set(float64(stats.MemStats.NumForcedGC))105}106type Stats struct {107	CgoCalls       int64108	GoRoutines     int109	ThreadsCreated int110	MemStats       runtime.MemStats111}112func CollectStats() Stats {113	stats := Stats{114		CgoCalls:   runtime.NumCgoCall(),115		GoRoutines: runtime.NumGoroutine(),116	}117	stats.ThreadsCreated, _ = runtime.ThreadCreateProfile(nil)118	runtime.ReadMemStats(&stats.MemStats)119	return stats120}...

1import (2func main() {3	g := promauto.NewGauge(prometheus.GaugeOpts{4	})5	g.Set(42.0)6	fmt.Println(g)7	fmt.Println(g.Desc())8	http.Handle("/metrics", promhttp.Handler())9	log.Fatal(http.ListenAndServe(":8080", nil))10}11import (12func main() {13	g := promauto.NewGauge(prometheus.GaugeOpts{14	})15	g.Inc()16	fmt.Println(g)17	fmt.Println(g.Desc())18	http.Handle("/metrics", promhttp.Handler())19	log.Fatal(http.ListenAndServe(":8080", nil))20}21import (22func main() {23	g := promauto.NewGauge(prometheus.GaugeOpts{24	})25	g.Dec()26	fmt.Println(g)27	fmt.Println(g.Desc())28	http.Handle("/metrics", promhttp.Handler())29	log.Fatal(http.ListenAndServe(":8080", nil))30}31import (32func main() {33	g := promauto.NewGauge(prometheus.G

1import (2func main() {3    var gauge = promauto.NewGauge(prometheus.GaugeOpts{4    })5    gauge.Set(10)6    http.Handle("/metrics", promhttp.Handler())7    log.Fatal(http.ListenAndServe(":8080", nil))8}9import (10func main() {11    var gauge = promauto.NewGauge(prometheus.GaugeOpts{12    })13    gauge.Inc()14    gauge.Dec()15    http.Handle("/metrics", promhttp.Handler())16    log.Fatal(http.ListenAndServe(":8080", nil))17}

1import (2var (3    gauge = promauto.NewGauge(prometheus.GaugeOpts{4    })5func main() {6    go func() {7        for {8            gauge.Set(42)9            time.Sleep(2 * time.Second)10        }11    }()12    http.Handle("/metrics", promhttp.Handler())13    log.Fatal(http.ListenAndServe(":2112", nil))14}15import (16var (17    gauge = promauto.NewGauge(prometheus.GaugeOpts{18    })19func main() {20    go func() {21        for {22            gauge.Inc()23            time.Sleep(2 * time.Second)24        }25    }()26    http.Handle("/metrics", promhttp.Handler())27    log.Fatal(http.ListenAndServe(":2112", nil))28}

1import (2func main() {3	gauge := new(Gauge)4	gauge.Set(10)5	fmt.Println(gauge.Value())6	time.Sleep(1 * time.Second)7	fmt.Println(gauge.Value())8}9import (10func main() {11	gauge := new(Gauge)12	gauge.Set(10)13	fmt.Println(gauge.Value())14	time.Sleep(1 * time.Second)15	fmt.Println(gauge.Value())16}17import (18func main() {19	gauge := new(Gauge)20	gauge.Set(10)21	fmt.Println(gauge.Value())22	time.Sleep(1 * time.Second)23	fmt.Println(gauge.Value())24}25import (26func main() {27	gauge := new(Gauge)28	gauge.Set(10)29	fmt.Println(gauge.Value())30	time.Sleep(1 * time.Second)31	fmt.Println(gauge.Value())32}33import (34func main() {35	gauge := new(Gauge)36	gauge.Set(10)37	fmt.Println(gauge.Value())38	time.Sleep(1 * time.Second)39	fmt.Println(gauge.Value())40}41import (42func main() {43	gauge := new(Gauge)44	gauge.Set(10)45	fmt.Println(gauge.Value())46	time.Sleep(1 * time.Second)47	fmt.Println(gauge.Value())48}49import (50func main() {51	gauge := new(Gauge)52	gauge.Set(10)53	fmt.Println(gauge.Value())54	time.Sleep(1 * time.Second)55	fmt.Println(gauge.Value())56}57import (58func main() {59	gauge := new(Gauge)60	gauge.Set(10)

1import (2func main() {3	gauge := NewGauge("gauge1")4	gauge.Set(100)5	fmt.Println(gauge.Value())6	time.Sleep(5 * time.Second)7	gauge.Set(200)8	fmt.Println(gauge.Value())9}10import (11func main() {12	gauge := NewGauge("gauge1")13	gauge.Set(100)14	fmt.Println(gauge.Value())15	time.Sleep(5 * time.Second)16	gauge.Add(200)17	fmt.Println(gauge.Value())18}19import (20func main() {21	gauge := NewGauge("gauge1")22	gauge.Set(100)23	fmt.Println(gauge.Value())24	time.Sleep(5 * time.Second)25	gauge.Sub(50)26	fmt.Println(gauge.Value())27}28import (29func main() {30	gauge := NewGauge("gauge1")31	gauge.Set(100.5)32	fmt.Println(gauge.Value())33	time.Sleep(5 * time.Second)34	gauge.Set(200.5)35	fmt.Println(gauge.Value

1gauge1 := Gauge{set: 2}2fmt.Println(gauge1.set)3fmt.Println(gauge1.set)4gauge2 := Gauge{set: 2}5fmt.Println(gauge2.set)6fmt.Println(gauge2.set)7gauge3 := Gauge{set: 2}8fmt.Println(gauge3.set)9fmt.Println(gauge3.set)10gauge4 := Gauge{set: 2}11fmt.Println(gauge4.set)12fmt.Println(gauge4.set)13gauge5 := Gauge{set: 2}14fmt.Println(gauge5.set)15fmt.Println(gauge5.set)16gauge6 := Gauge{set: 2}17fmt.Println(gauge6.set)18fmt.Println(gauge6.set)19gauge7 := Gauge{set: 2}20fmt.Println(gauge7.set)21fmt.Println(gauge7.set)22gauge8 := Gauge{set: 2}23fmt.Println(gauge8.set)24fmt.Println(gauge8.set)25gauge9 := Gauge{set: 2}26fmt.Println(gauge9.set)27fmt.Println(gauge9.set)28gauge10 := Gauge{set: 2}29fmt.Println(gauge10.set)30fmt.Println(gauge10.set)