// DoParallelContainerStopBenchmark starts routineNumber of goroutines and let them stop containers, returns latencies
// of all the stopping calls in nanoseconds. There is a global rate limit on stopping calls per second.
func DoParallelContainerStopBenchmark(client *docker.Client, qps float64, routineNumber int) []int {
wg := &sync.WaitGroup{}
ids := GetContainerIDs(client)
idTable := make([][]string, routineNumber)
for i := 0; i < len(ids); i++ {
idTable[i%routineNumber] = append(idTable[i%routineNumber], ids[i])
}
wg.Add(routineNumber)
ratelimit := ratelimit.NewBucketWithRate(qps, int64(routineNumber))
latenciesTable := make([][]int, routineNumber)
for i := 0; i < routineNumber; i++ {
go func(index int) {
latencies := []int{}
for _, id := range idTable[index] {
ratelimit.Wait(1)
start := time.Now()
StopContainers(client, []string{id})
RemoveContainers(client, []string{id})
latencies = append(latencies, int(time.Since(start).Nanoseconds()))
}
latenciesTable[index] = latencies
wg.Done()
}(i)
}
wg.Wait()
allLatencies := []int{}
for _, latencies := range latenciesTable {
allLatencies = append(allLatencies, latencies...)
}
return allLatencies
}
// DoParallelContainerStartBenchmark starts routineNumber of goroutines and let them start containers, returns latencies
// of all the starting calls in nanoseconds. There is a global rate limit on starting calls per second.
func DoParallelContainerStartBenchmark(client *docker.Client, qps float64, testPeriod time.Duration, routineNumber int) []int {
wg := &sync.WaitGroup{}
wg.Add(routineNumber)
ratelimit := ratelimit.NewBucketWithRate(qps, int64(routineNumber))
latenciesTable := make([][]int, routineNumber)
for i := 0; i < routineNumber; i++ {
go func(index int) {
startTime := time.Now()
latencies := []int{}
for {
ratelimit.Wait(1)
start := time.Now()
ids := CreateContainers(client, 1)
StartContainers(client, ids)
latencies = append(latencies, int(time.Since(start).Nanoseconds()))
if time.Now().Sub(startTime) >= testPeriod {
break
}
}
latenciesTable[index] = latencies
wg.Done()
}(i)
}
wg.Wait()
allLatencies := []int{}
for _, latencies := range latenciesTable {
allLatencies = append(allLatencies, latencies...)
}
return allLatencies
}
