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feature: support Memory QoS for cgroups v2

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This commit is contained in:
Li Bo
2021-06-17 20:11:58 +08:00
parent f915aa39e8
commit c3d9b10ca8
38 changed files with 796 additions and 60 deletions
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212
pkg/kubelet/cm/helpers_linux_test.go
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@@ -252,7 +252,7 @@ func TestResourceConfigForPod(t *testing.T) {
for testName, testCase := range testCases {
actual := ResourceConfigForPod(testCase.pod, testCase.enforceCPULimits, testCase.quotaPeriod)
actual := ResourceConfigForPod(testCase.pod, testCase.enforceCPULimits, testCase.quotaPeriod, false)
if !reflect.DeepEqual(actual.CpuPeriod, testCase.expected.CpuPeriod) {
t.Errorf("unexpected result, test: %v, cpu period not as expected", testName)
@@ -472,7 +472,7 @@ func TestResourceConfigForPodWithCustomCPUCFSQuotaPeriod(t *testing.T) {
for testName, testCase := range testCases {
actual := ResourceConfigForPod(testCase.pod, testCase.enforceCPULimits, testCase.quotaPeriod)
actual := ResourceConfigForPod(testCase.pod, testCase.enforceCPULimits, testCase.quotaPeriod, false)
if !reflect.DeepEqual(actual.CpuPeriod, testCase.expected.CpuPeriod) {
t.Errorf("unexpected result, test: %v, cpu period not as expected", testName)
@@ -622,3 +622,211 @@ func TestHugePageLimits(t *testing.T) {
}
}
func TestResourceConfigForPodWithEnforceMemoryQoS(t *testing.T) {
defaultQuotaPeriod := uint64(100 * time.Millisecond / time.Microsecond)
tunedQuotaPeriod := uint64(5 * time.Millisecond / time.Microsecond)
minShares := uint64(MinShares)
burstableShares := MilliCPUToShares(100)
memoryQuantity := resource.MustParse("200Mi")
burstableMemory := memoryQuantity.Value()
burstablePartialShares := MilliCPUToShares(200)
burstableQuota := MilliCPUToQuota(200, int64(defaultQuotaPeriod))
guaranteedShares := MilliCPUToShares(100)
guaranteedQuota := MilliCPUToQuota(100, int64(defaultQuotaPeriod))
guaranteedTunedQuota := MilliCPUToQuota(100, int64(tunedQuotaPeriod))
memoryQuantity = resource.MustParse("100Mi")
cpuNoLimit := int64(-1)
guaranteedMemory := memoryQuantity.Value()
testCases := map[string]struct {
pod *v1.Pod
expected *ResourceConfig
enforceCPULimits bool
quotaPeriod uint64
}{
"besteffort": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("", ""), getResourceList("", "")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &minShares},
},
"burstable-no-limits": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("", "")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstableShares, Unified: map[string]string{"memory.min": "104857600"}},
},
"burstable-with-limits": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("200m", "200Mi")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstableShares, CpuQuota: &burstableQuota, CpuPeriod: &defaultQuotaPeriod, Memory: &burstableMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"burstable-with-limits-no-cpu-enforcement": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("200m", "200Mi")),
},
},
},
},
enforceCPULimits: false,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstableShares, CpuQuota: &cpuNoLimit, CpuPeriod: &defaultQuotaPeriod, Memory: &burstableMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"burstable-partial-limits": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("200m", "200Mi")),
},
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("", "")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstablePartialShares, Unified: map[string]string{"memory.min": "209715200"}},
},
"burstable-with-limits-with-tuned-quota": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("200m", "200Mi")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: tunedQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstableShares, CpuQuota: &burstableQuota, CpuPeriod: &tunedQuotaPeriod, Memory: &burstableMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"burstable-with-limits-no-cpu-enforcement-with-tuned-quota": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("200m", "200Mi")),
},
},
},
},
enforceCPULimits: false,
quotaPeriod: tunedQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstableShares, CpuQuota: &cpuNoLimit, CpuPeriod: &tunedQuotaPeriod, Memory: &burstableMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"burstable-partial-limits-with-tuned-quota": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("200m", "200Mi")),
},
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("", "")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: tunedQuotaPeriod,
expected: &ResourceConfig{CpuShares: &burstablePartialShares, Unified: map[string]string{"memory.min": "209715200"}},
},
"guaranteed": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("100m", "100Mi")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &guaranteedShares, CpuQuota: &guaranteedQuota, CpuPeriod: &defaultQuotaPeriod, Memory: &guaranteedMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"guaranteed-no-cpu-enforcement": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("100m", "100Mi")),
},
},
},
},
enforceCPULimits: false,
quotaPeriod: defaultQuotaPeriod,
expected: &ResourceConfig{CpuShares: &guaranteedShares, CpuQuota: &cpuNoLimit, CpuPeriod: &defaultQuotaPeriod, Memory: &guaranteedMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"guaranteed-with-tuned-quota": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("100m", "100Mi")),
},
},
},
},
enforceCPULimits: true,
quotaPeriod: tunedQuotaPeriod,
expected: &ResourceConfig{CpuShares: &guaranteedShares, CpuQuota: &guaranteedTunedQuota, CpuPeriod: &tunedQuotaPeriod, Memory: &guaranteedMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
"guaranteed-no-cpu-enforcement-with-tuned-quota": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: getResourceRequirements(getResourceList("100m", "100Mi"), getResourceList("100m", "100Mi")),
},
},
},
},
enforceCPULimits: false,
quotaPeriod: tunedQuotaPeriod,
expected: &ResourceConfig{CpuShares: &guaranteedShares, CpuQuota: &cpuNoLimit, CpuPeriod: &tunedQuotaPeriod, Memory: &guaranteedMemory, Unified: map[string]string{"memory.min": "104857600"}},
},
}
for testName, testCase := range testCases {
actual := ResourceConfigForPod(testCase.pod, testCase.enforceCPULimits, testCase.quotaPeriod, true)
if !reflect.DeepEqual(actual.Unified, testCase.expected.Unified) {
t.Errorf("unexpected result, test: %v, unified not as expected", testName)
}
}
}