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K6
executor
GetPreAllocatedVUs

How to use GetPreAllocatedVUs method of executor Package

Best K6 code snippet using executor.GetPreAllocatedVUs

constant_arrival_rate.go

Source:constant_arrival_rate.go

...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()...

GetPreAllocatedVUs

Using AI Code Generation

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,

GetPreAllocatedVUs

Using AI Code Generation

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()

GetPreAllocatedVUs

Using AI Code Generation

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}

GetPreAllocatedVUs

Using AI Code Generation

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}

GetPreAllocatedVUs

Using AI Code Generation

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

GetPreAllocatedVUs

Using AI Code Generation

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()

GetPreAllocatedVUs

Using AI Code Generation

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}

GetPreAllocatedVUs

Using AI Code Generation

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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