func StorageDriverTestMaxMemoryUsage(driver storage.StorageDriver, t *testing.T) {
defer driver.Close()
N := 100
memTrace := make([]uint64, N)
cpuTrace := make([]uint64, N)
for i := 0; i < N; i++ {
memTrace[i] = uint64(i + 1)
cpuTrace[i] = uint64(1)
}
ref := info.ContainerReference{
Name: "container",
}
trace := buildTrace(cpuTrace, memTrace, 1*time.Second)
for _, stats := range trace {
driver.AddStats(ref, stats)
}
percentiles, err := driver.Percentiles(ref.Name, []int{50}, []int{50})
if err != nil {
t.Errorf("unable to call Percentiles(): %v", err)
}
maxUsage := uint64(N)
if percentiles.MaxMemoryUsage != maxUsage {
t.Fatalf("Max memory usage should be %v; received %v", maxUsage, percentiles.MaxMemoryUsage)
}
}
func StorageDriverTestPercentiles(driver storage.StorageDriver, t *testing.T) {
defer driver.Close()
N := 100
cpuTrace := make([]uint64, N)
memTrace := make([]uint64, N)
for i := 1; i < N+1; i++ {
cpuTrace[i-1] = uint64(i)
memTrace[i-1] = uint64(i)
}
trace := buildTrace(cpuTrace, memTrace, 1*time.Second)
ref := info.ContainerReference{
Name: "container",
}
for _, stats := range trace {
driver.AddStats(ref, stats)
}
percentages := []int{
80,
90,
50,
}
percentiles, err := driver.Percentiles(ref.Name, percentages, percentages)
if err != nil {
t.Fatal(err)
}
for _, x := range percentiles.CpuUsagePercentiles {
for _, y := range percentiles.CpuUsagePercentiles {
// lower percentage, smaller value
if x.Percentage < y.Percentage && x.Value > y.Value {
t.Errorf("%v percent is %v; while %v percent is %v",
x.Percentage, x.Value, y.Percentage, y.Value)
}
}
}
for _, x := range percentiles.MemoryUsagePercentiles {
for _, y := range percentiles.MemoryUsagePercentiles {
if x.Percentage < y.Percentage && x.Value > y.Value {
t.Errorf("%v percent is %v; while %v percent is %v",
x.Percentage, x.Value, y.Percentage, y.Value)
}
}
}
}
func StorageDriverTestPercentilesWithoutStats(driver storage.StorageDriver, t *testing.T) {
defer driver.Close()
nonExistContainer := "somerandomecontainer"
percentiles, _ := driver.Percentiles(nonExistContainer, []int{50, 80}, []int{50, 80})
if percentiles == nil {
return
}
if percentiles.MaxMemoryUsage != 0 {
t.Errorf("Percentiles() reports max memory usage > 0 when there's no stats.")
}
for _, p := range percentiles.CpuUsagePercentiles {
if p.Value != 0 {
t.Errorf("Percentiles() reports cpu usage is %v when there's no stats.", p.Value)
}
}
for _, p := range percentiles.MemoryUsagePercentiles {
if p.Value != 0 {
t.Errorf("Percentiles() reports memory usage is %v when there's no stats.", p.Value)
}
}
}
func StorageDriverTestPercentilesWithoutSample(driver storage.StorageDriver, t *testing.T) {
defer driver.Close()
trace := buildTrace(
[]uint64{10},
[]uint64{10},
1*time.Second)
ref := info.ContainerReference{
Name: "container",
}
driver.AddStats(ref, trace[0])
percentiles, err := driver.Percentiles(
ref.Name,
[]int{50},
[]int{50},
)
if err != nil {
t.Fatal(err)
}
if percentiles != nil {
t.Errorf("There should be no percentiles")
}
}
func StorageDriverTestMaxMemoryUsage(driver storage.StorageDriver, t *testing.T) {
defer driver.Close()
N := 100
memTrace := make([]uint64, N)
cpuTrace := make([]uint64, N)
for i := 0; i < N; i++ {
memTrace[i] = uint64(i + 1)
cpuTrace[i] = uint64(1)
}
ref := info.ContainerReference{
Name: "container",
}
trace := buildTrace(cpuTrace, memTrace, 1*time.Second)
for _, stats := range trace {
err := driver.AddStats(ref, stats)
if err != nil {
t.Fatalf("unable to add stats: %v", err)
}
// set the trace to something else. The stats stored in the
// storage should not be affected.
stats.Cpu.Usage.Total = 0
stats.Cpu.Usage.System = 0
stats.Cpu.Usage.User = 0
stats.Memory.Usage = 0
}
percentiles, err := driver.Percentiles(ref.Name, []int{50}, []int{50})
if err != nil {
t.Errorf("unable to call Percentiles(): %v", err)
}
maxUsage := uint64(N)
if percentiles.MaxMemoryUsage != maxUsage {
t.Fatalf("Max memory usage should be %v; received %v", maxUsage, percentiles.MaxMemoryUsage)
}
}
