in step6/src/loadgen/main.go [81:110]
func main() {
// step1. setup OpenTelemetry
tp, err := initTracer()
if err != nil {
log.Fatalf("failed to initialize TracerProvider: %v", err)
}
defer func() {
if err := tp.Shutdown(context.Background()); err != nil {
log.Fatalf("error shutting down TracerProvider: %v", err)
}
}()
// step1. end setup
log.Printf("starting worder with %d workers in %d concurrency", numWorkers, numConcurrency)
log.Printf("number of rounds: %d (0 is inifinite)", numRounds)
t := time.NewTicker(time.Duration(intervalMs) * time.Millisecond)
i := 0
for range t.C {
log.Printf("simulating client requests, round %d", i)
if err := run(numWorkers, numConcurrency); err != nil {
log.Printf("aborted round with error: %v", err)
}
log.Printf("simulated %d requests", numWorkers)
if numRounds != 0 && i > numRounds {
break
}
i++
}
}