How to use GetPreAllocatedVUs method of executor Package

Best K6 code snippet using executor.GetPreAllocatedVUs

constant_arrival_rate.go

Source:constant_arrival_rate.go Github

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...65 }66}67// Make sure we implement the lib.ExecutorConfig interface68var _ lib.ExecutorConfig = &ConstantArrivalRateConfig{}69// GetPreAllocatedVUs is just a helper method that returns the scaled pre-allocated VUs.70func (carc ConstantArrivalRateConfig) GetPreAllocatedVUs(et *lib.ExecutionTuple) int64 {71 return et.ScaleInt64(carc.PreAllocatedVUs.Int64)72}73// GetMaxVUs is just a helper method that returns the scaled max VUs.74func (carc ConstantArrivalRateConfig) GetMaxVUs(et *lib.ExecutionTuple) int64 {75 return et.ScaleInt64(carc.MaxVUs.Int64)76}77// GetDescription returns a human-readable description of the executor options78func (carc ConstantArrivalRateConfig) GetDescription(et *lib.ExecutionTuple) string {79 preAllocatedVUs, maxVUs := carc.GetPreAllocatedVUs(et), carc.GetMaxVUs(et)80 maxVUsRange := fmt.Sprintf("maxVUs: %d", preAllocatedVUs)81 if maxVUs > preAllocatedVUs {82 maxVUsRange += fmt.Sprintf("-%d", maxVUs)83 }84 timeUnit := time.Duration(carc.TimeUnit.Duration)85 var arrRatePerSec float6486 if maxVUs != 0 { // TODO: do something better?87 ratio := big.NewRat(maxVUs, carc.MaxVUs.Int64)88 arrRate := big.NewRat(carc.Rate.Int64, int64(timeUnit))89 arrRate.Mul(arrRate, ratio)90 arrRatePerSec, _ = getArrivalRatePerSec(arrRate).Float64()91 }92 return fmt.Sprintf("%.2f iterations/s for %s%s", arrRatePerSec, carc.Duration.Duration,93 carc.getBaseInfo(maxVUsRange))94}95// Validate makes sure all options are configured and valid96func (carc *ConstantArrivalRateConfig) Validate() []error {97 errors := carc.BaseConfig.Validate()98 if !carc.Rate.Valid {99 errors = append(errors, fmt.Errorf("the iteration rate isn't specified"))100 } else if carc.Rate.Int64 <= 0 {101 errors = append(errors, fmt.Errorf("the iteration rate should be more than 0"))102 }103 if time.Duration(carc.TimeUnit.Duration) <= 0 {104 errors = append(errors, fmt.Errorf("the timeUnit should be more than 0"))105 }106 if !carc.Duration.Valid {107 errors = append(errors, fmt.Errorf("the duration is unspecified"))108 } else if time.Duration(carc.Duration.Duration) < minDuration {109 errors = append(errors, fmt.Errorf(110 "the duration should be at least %s, but is %s", minDuration, carc.Duration,111 ))112 }113 if !carc.PreAllocatedVUs.Valid {114 errors = append(errors, fmt.Errorf("the number of preAllocatedVUs isn't specified"))115 } else if carc.PreAllocatedVUs.Int64 < 0 {116 errors = append(errors, fmt.Errorf("the number of preAllocatedVUs shouldn't be negative"))117 }118 if !carc.MaxVUs.Valid {119 // TODO: don't change the config while validating120 carc.MaxVUs.Int64 = carc.PreAllocatedVUs.Int64121 } else if carc.MaxVUs.Int64 < carc.PreAllocatedVUs.Int64 {122 errors = append(errors, fmt.Errorf("maxVUs shouldn't be less than preAllocatedVUs"))123 }124 return errors125}126// GetExecutionRequirements returns the number of required VUs to run the127// executor for its whole duration (disregarding any startTime), including the128// maximum waiting time for any iterations to gracefully stop. This is used by129// the execution scheduler in its VU reservation calculations, so it knows how130// many VUs to pre-initialize.131func (carc ConstantArrivalRateConfig) GetExecutionRequirements(et *lib.ExecutionTuple) []lib.ExecutionStep {132 return []lib.ExecutionStep{133 {134 TimeOffset: 0,135 PlannedVUs: uint64(et.ScaleInt64(carc.PreAllocatedVUs.Int64)),136 MaxUnplannedVUs: uint64(et.ScaleInt64(carc.MaxVUs.Int64) - et.ScaleInt64(carc.PreAllocatedVUs.Int64)),137 }, {138 TimeOffset: time.Duration(carc.Duration.Duration + carc.GracefulStop.Duration),139 PlannedVUs: 0,140 MaxUnplannedVUs: 0,141 },142 }143}144// NewExecutor creates a new ConstantArrivalRate executor145func (carc ConstantArrivalRateConfig) NewExecutor(146 es *lib.ExecutionState, logger *logrus.Entry,147) (lib.Executor, error) {148 return &ConstantArrivalRate{149 BaseExecutor: NewBaseExecutor(&carc, es, logger),150 config: carc,151 }, nil152}153// HasWork reports whether there is any work to be done for the given execution segment.154func (carc ConstantArrivalRateConfig) HasWork(et *lib.ExecutionTuple) bool {155 return carc.GetMaxVUs(et) > 0156}157// ConstantArrivalRate tries to execute a specific number of iterations for a158// specific period.159type ConstantArrivalRate struct {160 *BaseExecutor161 config ConstantArrivalRateConfig162 et *lib.ExecutionTuple163}164// Make sure we implement the lib.Executor interface.165var _ lib.Executor = &ConstantArrivalRate{}166// Init values needed for the execution167func (car *ConstantArrivalRate) Init(ctx context.Context) error {168 // err should always be nil, because Init() won't be called for executors169 // with no work, as determined by their config's HasWork() method.170 et, err := car.BaseExecutor.executionState.ExecutionTuple.GetNewExecutionTupleFromValue(car.config.MaxVUs.Int64)171 car.et = et172 car.iterSegIndex = lib.NewSegmentedIndex(et)173 return err174}175// Run executes a constant number of iterations per second.176//177// TODO: Split this up and make an independent component that can be reused178// between the constant and ramping arrival rate executors - that way we can179// keep the complexity in one well-architected part (with short methods and few180// lambdas :D), while having both config frontends still be present for maximum181// UX benefits. Basically, keep the progress bars and scheduling (i.e. at what182// time should iteration X begin) different, but keep everything else the same.183// This will allow us to implement https://github.com/k6io/k6/issues/1386184// and things like all of the TODOs below in one place only.185//nolint:funlen,cyclop186func (car ConstantArrivalRate) Run(187 parentCtx context.Context, out chan<- stats.SampleContainer, builtinMetrics *metrics.BuiltinMetrics,188) (err error) {189 gracefulStop := car.config.GetGracefulStop()190 duration := time.Duration(car.config.Duration.Duration)191 preAllocatedVUs := car.config.GetPreAllocatedVUs(car.executionState.ExecutionTuple)192 maxVUs := car.config.GetMaxVUs(car.executionState.ExecutionTuple)193 // TODO: refactor and simplify194 arrivalRate := getScaledArrivalRate(car.et.Segment, car.config.Rate.Int64, time.Duration(car.config.TimeUnit.Duration))195 tickerPeriod := time.Duration(getTickerPeriod(arrivalRate).Duration)196 arrivalRatePerSec, _ := getArrivalRatePerSec(arrivalRate).Float64()197 // Make sure the log and the progress bar have accurate information198 car.logger.WithFields(logrus.Fields{199 "maxVUs": maxVUs, "preAllocatedVUs": preAllocatedVUs, "duration": duration,200 "tickerPeriod": tickerPeriod, "type": car.config.GetType(),201 }).Debug("Starting executor run...")202 activeVUsWg := &sync.WaitGroup{}203 returnedVUs := make(chan struct{})204 startTime, maxDurationCtx, regDurationCtx, cancel := getDurationContexts(parentCtx, duration, gracefulStop)205 vusPool := newActiveVUPool()...

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GetPreAllocatedVUs

Using AI Code Generation

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1import (2func main() {3 executor := executor.NewSharedIterations("test", 10, 10, 10, 10, nil)4 executor1 := executor.NewPerVUIterations("test", 10, 10, 10, 10, nil)5 executor2 := executor.NewConstantVUs("test", 10, 10, 10, 10, nil)6 executor3 := executor.NewConstantArrivalRate("test", 10, 10, 10, 10, nil)7 executor4 := executor.NewExternallyControlled("test", 10, 10, 10, 10, nil)8 executor5 := executor.NewVariableLoopingVUs("test", 10, 10, 10, 10, nil)9 executor6 := executor.NewRampingVUs("test", 10, 10, 10, 10, nil)10 executor7 := executor.NewRampingArrivalRate("test", 10, 10, 10, 10, nil)11 executor8 := executor.NewSharedStages("test", 10, 10, 10, 10, nil)12 executor9 := executor.NewExhaustiveVUs("test", 10, 10, 10, 10, nil)13 executor10 := executor.NewPerVUIterations("test", 10, 10, 10, 10, nil)14 executor11 := executor.NewSharedIterations("test", 10, 10, 10, 10, nil)15 executor12 := executor.NewPerVUIterations("test", 10, 10,

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GetPreAllocatedVUs

Using AI Code Generation

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1import (2func main() {3 executor := executor.NewFixedVUsExecutor(lib.Options{}, types.ExecutionSegment{})4 vus := executor.GetPreAllocatedVUs()5 fmt.Println(vus)6}7import (8func main() {9 executor := executor.NewConstantVUsExecutor(lib.Options{}, 1, types.ExecutionSegment{})10 vus := executor.GetPreAllocatedVUs()11 fmt.Println(vus)12}13import (14func main() {15 executor := executor.NewRampingVUsExecutor(lib.Options{}, 1, 1, types.ExecutionSegment{})16 vus := executor.GetPreAllocatedVUs()17 fmt.Println(vus)18}19import (20func main() {21 executor := executor.NewSharedIterationsVUsExecutor(lib.Options{}, 1, types.ExecutionSegment{})22 vus := executor.GetPreAllocatedVUs()

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GetPreAllocatedVUs

Using AI Code Generation

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1executor, err := getExecutor()2if err != nil {3 log.Fatal(err)4}5vus, err := executor.GetPreAllocatedVUs()6if err != nil {7 log.Fatal(err)8}9for _, vu := range vus {10}11executor, err := getExecutor()12if err != nil {13 log.Fatal(err)14}15vus, err := executor.GetPreAllocatedVUs()16if err != nil {17 log.Fatal(err)18}19for _, vu := range vus {20}21executor, err := getExecutor()22if err != nil {23 log.Fatal(err)24}25vus, err := executor.GetPreAllocatedVUs()26if err != nil {27 log.Fatal(err)28}29for _, vu := range vus {30}31executor, err := getExecutor()32if err != nil {33 log.Fatal(err)34}35vus, err := executor.GetPreAllocatedVUs()36if err != nil {37 log.Fatal(err)38}39for _, vu := range vus {40}41executor, err := getExecutor()42if err != nil {43 log.Fatal(err)44}45vus, err := executor.GetPreAllocatedVUs()46if err != nil {47 log.Fatal(err)48}49for _, vu := range vus {50}51executor, err := getExecutor()52if err != nil {53 log.Fatal(err)54}55vus, err := executor.GetPreAllocatedVUs()56if err != nil {57 log.Fatal(err)58}59for _, vu := range vus {60}61executor, err := getExecutor()62if err != nil {63 log.Fatal(err)64}

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GetPreAllocatedVUs

Using AI Code Generation

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1func GetPreAllocatedVUs() {2 vus := executor.GetPreAllocatedVUs()3 fmt.Println(vus)4}5func GetInitializedVUs() {6 vus := executor.GetInitializedVUs()7 fmt.Println(vus)8}9func GetCurrentlyActiveVUs() {10 vus := executor.GetCurrentlyActiveVUs()11 fmt.Println(vus)12}13func GetMaxVUs() {14 vus := executor.GetMaxVUs()15 fmt.Println(vus)16}17func GetVUsMaxDuration() {18 vus := executor.GetVUsMaxDuration()19 fmt.Println(vus)20}21func GetMaxDuration() {22 vus := executor.GetMaxDuration()23 fmt.Println(vus)24}25func GetGracefulStop() {26 vus := executor.GetGracefulStop()27 fmt.Println(vus)28}29func GetStartVUs() {30 vus := executor.GetStartVUs()31 fmt.Println(vus)32}33func GetStages() {34 vus := executor.GetStages()35 fmt.Println(vus)36}37func GetEnv() {38 vus := executor.GetEnv()39 fmt.Println(vus)40}41func GetExec() {42 vus := executor.GetExec()43 fmt.Println(vus)44}45func GetSystemTags() {46 vus := executor.GetSystemTags()47 fmt.Println(vus)48}

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GetPreAllocatedVUs

Using AI Code Generation

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1executor, err := getExecutor()2if err != nil {3 log.Fatalf("Error in getting executor: %s", err)4}5vus, err := executor.GetPreAllocatedVUs()6if err != nil {7 log.Fatalf("Error in getting preallocated VUs: %s", err)8}9log.Printf("VUs: %d", vus)10executor, err := getExecutor()11if err != nil {12 log.Fatalf("Error in getting executor: %s", err)13}14vus, err := executor.GetInitializedVUs()15if err != nil {16 log.Fatalf("Error in getting initialized VUs: %s", err)17}18log.Printf("VUs: %d", vus)19executor, err := getExecutor()20if err != nil {21 log.Fatalf("Error in getting executor: %s", err)22}23err = executor.Scale(context.Background(), 5)24if err != nil {25 log.Fatalf("Error in scaling VUs: %s", err)26}27vus, err := executor.GetInitializedVUs()28if err != nil {29 log.Fatalf("Error in getting initialized VUs: %s", err)30}31log.Printf("VUs: %d", vus)32executor, err := getExecutor()33if err != nil {34 log.Fatalf("Error in getting executor: %s", err)35}36err = executor.Run(context.Background(), nil, nil)37if err != nil {38 log.Fatalf("Error in running executor: %s", err)39}40vus, err := executor.GetInitializedVUs()41if err != nil {42 log.Fatalf("Error in getting initialized VUs: %s", err)43}44log.Printf("VUs: %d", vus)45executor, err := getExecutor()46if err != nil {47 log.Fatalf("Error in getting executor: %s", err)48}49vus, err := executor.GetInitializedVUs()50if err != nil {51 log.Fatalf("Error in getting initialized VUs: %s", err)52}53log.Printf("VUs: %d", vus)54runStatus := executor.GetRunStatus()55log.Printf("Run

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GetPreAllocatedVUs

Using AI Code Generation

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1func main() {2 executor := lib.GetExecutorInstance()3 preAllocatedVUs := executor.GetPreAllocatedVUs()4}5func main() {6 executor := lib.GetExecutorInstance()7 maxAllocatedVUs := executor.GetMaxAllocatedVUs()8}9func main() {10 executor := lib.GetExecutorInstance()11 allocatedVUs := executor.GetAllocatedVUs()12}13func main() {14 executor := lib.GetExecutorInstance()15 VU := executor.GetVU()16}17func main() {18 executor := lib.GetExecutorInstance()19 scheduledVUs := executor.GetScheduledVUs()20}21func main() {22 executor := lib.GetExecutorInstance()23 initializedVUs := executor.GetInitializedVUs()24}25func main() {26 executor := lib.GetExecutorInstance()27 activeVUs := executor.GetActiveVUs()28}29func main() {30 executor := lib.GetExecutorInstance()31 runningVUs := executor.GetRunningVUs()32}33func main() {34 executor := lib.GetExecutorInstance()

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GetPreAllocatedVUs

Using AI Code Generation

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1func main() {2 executor := &executor{3 executor: &lib.Executor{4 Config: lib.ExecutorConfig{5 },6 },7 }8 vus, _ := executor.GetPreAllocatedVUs()9 fmt.Println(vus)10}

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GetPreAllocatedVUs

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1func main() {2 executor := &lib.Executor{3 Executor: &lib.LocalExecutor{},4 }5 executor.GetPreAllocatedVUs(0)6}7func main() {8 executor := &lib.Executor{9 Executor: &lib.LocalExecutor{},10 }11 executor.Executor.GetPreAllocatedVUs(0)12}13func main() {14 executor := &lib.LocalExecutor{}15 executor.GetPreAllocatedVUs(0)16}17func main() {18 executor := &lib.LocalExecutor{}19 executor.GetPreAllocatedVUs(0)20}

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