starlingx
/
integ
Code Issues Proposed changes
integ/kubernetes/kubernetes-1.21.8/centos/files/kubelet-cpumanager-introduc...

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From 81a6d41690c45b168034df04df0199cd5abe60e9 Mon Sep 17 00:00:00 2001
From: Jim Gauld <james.gauld@windriver.com>
Date: Wed, 8 Sep 2021 09:28:40 -0400
Subject: [PATCH 4/7] kubelet cpumanager introduce concept of isolated CPUs
This introduces the concept of "isolated CPUs", which are CPUs that
have been isolated at the kernel level via the "isolcpus" kernel boot
parameter.
When starting the kubelet process, two separate sets of reserved CPUs
may be specified. With this change CPUs reserved via
'--system-reserved=cpu' will be used for infrastructure pods while the
isolated CPUs should be reserved via '--kube-reserved=cpu' to cause
kubelet to skip over them for "normal" CPU resource tracking. The
kubelet code will double-check that the specified isolated CPUs match
what the kernel exposes in "/sys/devices/system/cpu/isolated".
A plugin (outside the scope of this commit) will expose the isolated
CPUs to kubelet via the device plugin API.
If a pod specifies some number of "isolcpus" resources, the device
manager will allocate them. In this code we check whether such
resources have been allocated, and if so we set the container cpuset to
the isolated CPUs. This does mean that it really only makes sense to
specify "isolcpus" resources for best-effort or burstable pods, not for
guaranteed ones since that would throw off the accounting code. In
order to ensure the accounting still works as designed, if "isolcpus"
are specified for guaranteed pods, the affinity will be set to the
non-isolated CPUs.
This patch was refactored in 1.21.3 due to upstream API change
node: podresources: make GetDevices() consistent
(commit ad68f9588c72d6477b5a290c548a9031063ac659).
The routine podIsolCPUs() was refactored in 1.21.3 since the API
p.deviceManager.GetDevices() is returning multiple devices with
a device per cpu. The resultant cpuset needs to be the aggregate.
Signed-off-by: Jim Gauld <james.gauld@windriver.com>
Co-authored-by: Chris Friesen <chris.friesen@windriver.com>
---
pkg/kubelet/cm/container_manager_linux.go | 1 +
pkg/kubelet/cm/cpumanager/cpu_manager.go | 31 ++++++-
pkg/kubelet/cm/cpumanager/cpu_manager_test.go | 13 ++-
pkg/kubelet/cm/cpumanager/policy_static.go | 85 +++++++++++++++++--
.../cm/cpumanager/policy_static_test.go | 44 ++++++++--
5 files changed, 156 insertions(+), 18 deletions(-)
diff --git a/pkg/kubelet/cm/container_manager_linux.go b/pkg/kubelet/cm/container_manager_linux.go
index e7bed73fc69..d74a6339939 100644
--- a/pkg/kubelet/cm/container_manager_linux.go
+++ b/pkg/kubelet/cm/container_manager_linux.go
@@ -337,6 +337,7 @@ func NewContainerManager(mountUtil mount.Interface, cadvisorInterface cadvisor.I
cm.GetNodeAllocatableReservation(),
nodeConfig.KubeletRootDir,
cm.topologyManager,
+ cm.deviceManager,
)
if err != nil {
klog.ErrorS(err, "Failed to initialize cpu manager")
diff --git a/pkg/kubelet/cm/cpumanager/cpu_manager.go b/pkg/kubelet/cm/cpumanager/cpu_manager.go
index 5b82e5b02ac..2563f61e7b5 100644
--- a/pkg/kubelet/cm/cpumanager/cpu_manager.go
+++ b/pkg/kubelet/cm/cpumanager/cpu_manager.go
@@ -21,6 +21,8 @@ import (
"math"
"sync"
"time"
+ "strings"
+ "io/ioutil"
cadvisorapi "github.com/google/cadvisor/info/v1"
v1 "k8s.io/api/core/v1"
@@ -34,6 +36,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
"k8s.io/kubernetes/pkg/kubelet/config"
+ "k8s.io/kubernetes/pkg/kubelet/cm/devicemanager"
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
"k8s.io/kubernetes/pkg/kubelet/status"
)
@@ -50,6 +53,25 @@ type policyName string
// cpuManagerStateFileName is the file name where cpu manager stores its state
const cpuManagerStateFileName = "cpu_manager_state"
+// get the system-level isolated CPUs
+func getIsolcpus() cpuset.CPUSet {
+ dat, err := ioutil.ReadFile("/sys/devices/system/cpu/isolated")
+ if err != nil {
+ klog.Errorf("[cpumanager] unable to read sysfs isolcpus subdir")
+ return cpuset.NewCPUSet()
+ }
+
+ // The isolated cpus string ends in a newline
+ cpustring := strings.TrimSuffix(string(dat), "\n")
+ cset, err := cpuset.Parse(cpustring)
+ if err != nil {
+ klog.Errorf("[cpumanager] unable to parse sysfs isolcpus string to cpuset")
+ return cpuset.NewCPUSet()
+ }
+
+ return cset
+}
+
// Manager interface provides methods for Kubelet to manage pod cpus.
type Manager interface {
// Start is called during Kubelet initialization.
@@ -143,7 +165,7 @@ func (s *sourcesReadyStub) AddSource(source string) {}
func (s *sourcesReadyStub) AllReady() bool { return true }
// NewManager creates new cpu manager based on provided policy
-func NewManager(cpuPolicyName string, reconcilePeriod time.Duration, machineInfo *cadvisorapi.MachineInfo, specificCPUs cpuset.CPUSet, nodeAllocatableReservation v1.ResourceList, stateFileDirectory string, affinity topologymanager.Store) (Manager, error) {
+func NewManager(cpuPolicyName string, reconcilePeriod time.Duration, machineInfo *cadvisorapi.MachineInfo, specificCPUs cpuset.CPUSet, nodeAllocatableReservation v1.ResourceList, stateFileDirectory string, affinity topologymanager.Store, deviceManager devicemanager.Manager) (Manager, error) {
var topo *topology.CPUTopology
var policy Policy
@@ -181,8 +203,11 @@ func NewManager(cpuPolicyName string, reconcilePeriod time.Duration, machineInfo
// NOTE: Set excludeReserved unconditionally to exclude reserved CPUs from default cpuset.
// This variable is primarily to make testing easier.
excludeReserved := true
- policy, err = NewStaticPolicy(topo, numReservedCPUs, specificCPUs, affinity, excludeReserved)
-
+ // isolCPUs is the set of kernel-isolated CPUs. They should be a subset of specificCPUs or
+ // of the CPUs that NewStaticPolicy() will pick if numReservedCPUs is set. It's only in the
+ // argument list here for ease of testing, it's really internal to the policy.
+ isolCPUs := getIsolcpus()
+ policy, err = NewStaticPolicy(topo, numReservedCPUs, specificCPUs, isolCPUs, affinity, deviceManager, excludeReserved)
if err != nil {
return nil, fmt.Errorf("new static policy error: %v", err)
}
diff --git a/pkg/kubelet/cm/cpumanager/cpu_manager_test.go b/pkg/kubelet/cm/cpumanager/cpu_manager_test.go
index a2e73de6875..4c021634d6f 100644
--- a/pkg/kubelet/cm/cpumanager/cpu_manager_test.go
+++ b/pkg/kubelet/cm/cpumanager/cpu_manager_test.go
@@ -38,6 +38,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/cm/cpumanager/topology"
"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
+ "k8s.io/kubernetes/pkg/kubelet/cm/devicemanager"
)
type mockState struct {
@@ -215,6 +216,7 @@ func makeMultiContainerPod(initCPUs, appCPUs []struct{ request, limit string })
}
func TestCPUManagerAdd(t *testing.T) {
+ testDM, _ := devicemanager.NewManagerStub()
testExcl := false
testPolicy, _ := NewStaticPolicy(
&topology.CPUTopology{
@@ -230,7 +232,9 @@ func TestCPUManagerAdd(t *testing.T) {
},
0,
cpuset.NewCPUSet(),
+ cpuset.NewCPUSet(),
topologymanager.NewFakeManager(),
+ testDM,
testExcl)
testCases := []struct {
description string
@@ -480,8 +484,9 @@ func TestCPUManagerAddWithInitContainers(t *testing.T) {
}
testExcl := false
+ testDM, _ := devicemanager.NewManagerStub()
for _, testCase := range testCases {
- policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testExcl)
+ policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, testExcl)
mockState := &mockState{
assignments: testCase.stAssignments,
@@ -635,7 +640,8 @@ func TestCPUManagerGenerate(t *testing.T) {
}
defer os.RemoveAll(sDir)
- mgr, err := NewManager(testCase.cpuPolicyName, 5*time.Second, machineInfo, cpuset.NewCPUSet(), testCase.nodeAllocatableReservation, sDir, topologymanager.NewFakeManager())
+ testDM, err := devicemanager.NewManagerStub()
+ mgr, err := NewManager(testCase.cpuPolicyName, 5*time.Second, machineInfo, cpuset.NewCPUSet(), testCase.nodeAllocatableReservation, sDir, topologymanager.NewFakeManager(), testDM)
if testCase.expectedError != nil {
if !strings.Contains(err.Error(), testCase.expectedError.Error()) {
t.Errorf("Unexpected error message. Have: %s wants %s", err.Error(), testCase.expectedError.Error())
@@ -990,6 +996,7 @@ func TestReconcileState(t *testing.T) {
// the following tests are with --reserved-cpus configured
func TestCPUManagerAddWithResvList(t *testing.T) {
testExcl := false
+ testDM, _ := devicemanager.NewManagerStub()
testPolicy, _ := NewStaticPolicy(
&topology.CPUTopology{
NumCPUs: 4,
@@ -1004,7 +1011,9 @@ func TestCPUManagerAddWithResvList(t *testing.T) {
},
1,
cpuset.NewCPUSet(0),
+ cpuset.NewCPUSet(),
topologymanager.NewFakeManager(),
+ testDM,
testExcl)
testCases := []struct {
description string
diff --git a/pkg/kubelet/cm/cpumanager/policy_static.go b/pkg/kubelet/cm/cpumanager/policy_static.go
index b48a5b997a3..2ad14a98911 100644
--- a/pkg/kubelet/cm/cpumanager/policy_static.go
+++ b/pkg/kubelet/cm/cpumanager/policy_static.go
@@ -18,6 +18,7 @@ package cpumanager
import (
"fmt"
+ "strconv"
v1 "k8s.io/api/core/v1"
"k8s.io/klog/v2"
@@ -27,6 +28,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager/bitmask"
+ "k8s.io/kubernetes/pkg/kubelet/cm/devicemanager"
)
// PolicyStatic is the name of the static policy
@@ -80,6 +82,10 @@ type staticPolicy struct {
topology *topology.CPUTopology
// set of CPUs that is not available for exclusive assignment
reserved cpuset.CPUSet
+ // subset of reserved CPUs with isolcpus attribute
+ isolcpus cpuset.CPUSet
+ // parent containerManager, used to get device list
+ deviceManager devicemanager.Manager
// If true, default CPUSet should exclude reserved CPUs
excludeReserved bool
// topology manager reference to get container Topology affinity
@@ -94,7 +100,7 @@ var _ Policy = &staticPolicy{}
// NewStaticPolicy returns a CPU manager policy that does not change CPU
// assignments for exclusively pinned guaranteed containers after the main
// container process starts.
-func NewStaticPolicy(topology *topology.CPUTopology, numReservedCPUs int, reservedCPUs cpuset.CPUSet, affinity topologymanager.Store, excludeReserved bool) (Policy, error) {
+func NewStaticPolicy(topology *topology.CPUTopology, numReservedCPUs int, reservedCPUs cpuset.CPUSet, isolCPUs cpuset.CPUSet, affinity topologymanager.Store, deviceManager devicemanager.Manager, excludeReserved bool) (Policy, error) {
allCPUs := topology.CPUDetails.CPUs()
var reserved cpuset.CPUSet
if reservedCPUs.Size() > 0 {
@@ -115,9 +121,17 @@ func NewStaticPolicy(topology *topology.CPUTopology, numReservedCPUs int, reserv
klog.InfoS("Reserved CPUs not available for exclusive assignment", "reservedSize", reserved.Size(), "reserved", reserved)
+ if !isolCPUs.IsSubsetOf(reserved) {
+ klog.Errorf("[cpumanager] isolCPUs %v is not a subset of reserved %v", isolCPUs, reserved)
+ reserved = reserved.Union(isolCPUs)
+ klog.Warningf("[cpumanager] mismatch isolCPUs %v, force reserved %v", isolCPUs, reserved)
+ }
+
return &staticPolicy{
topology: topology,
reserved: reserved,
+ isolcpus: isolCPUs,
+ deviceManager: deviceManager,
excludeReserved: excludeReserved,
affinity: affinity,
cpusToReuse: make(map[string]cpuset.CPUSet),
@@ -154,8 +168,8 @@ func (p *staticPolicy) validateState(s state.State) error {
} else {
s.SetDefaultCPUSet(allCPUs)
}
- klog.Infof("[cpumanager] static policy: CPUSet: allCPUs:%v, reserved:%v, default:%v\n",
- allCPUs, p.reserved, s.GetDefaultCPUSet())
+ klog.Infof("[cpumanager] static policy: CPUSet: allCPUs:%v, reserved:%v, isolcpus:%v, default:%v\n",
+ allCPUs, p.reserved, p.isolcpus, s.GetDefaultCPUSet())
return nil
}
@@ -248,12 +262,12 @@ func (p *staticPolicy) Allocate(s state.State, pod *v1.Pod, container *v1.Contai
return nil
}
- cpuset := p.reserved
+ cpuset := p.reserved.Clone().Difference(p.isolcpus)
if cpuset.IsEmpty() {
// If this happens then someone messed up.
return fmt.Errorf("[cpumanager] static policy: reserved container unable to allocate cpus " +
- "(namespace: %s, pod UID: %s, pod: %s, container: %s); cpuset=%v, reserved:%v",
- pod.Namespace, string(pod.UID), pod.Name, container.Name, cpuset, p.reserved)
+ "(namespace: %s, pod UID: %s, pod: %s, container: %s); cpuset=%v, reserved:%v, isolcpus:%v",
+ pod.Namespace, string(pod.UID), pod.Name, container.Name, cpuset, p.reserved, p.isolcpus)
}
s.SetCPUSet(string(pod.UID), container.Name, cpuset)
klog.Infof("[cpumanager] static policy: reserved: AddContainer " +
@@ -284,8 +298,37 @@ func (p *staticPolicy) Allocate(s state.State, pod *v1.Pod, container *v1.Contai
}
s.SetCPUSet(string(pod.UID), container.Name, cpuset)
p.updateCPUsToReuse(pod, container, cpuset)
+ klog.Infof("[cpumanager] guaranteed: AddContainer " +
+ "(namespace: %s, pod UID: %s, pod: %s, container: %s); numCPUS=%d, cpuset=%v",
+ pod.Namespace, string(pod.UID), pod.Name, container.Name, numCPUs, cpuset)
+ return nil
+ }
+ if isolcpus := p.podIsolCPUs(pod, container); isolcpus.Size() > 0 {
+ // container has requested isolated CPUs
+ if set, ok := s.GetCPUSet(string(pod.UID), container.Name); ok {
+ if set.Equals(isolcpus) {
+ klog.Infof("[cpumanager] isolcpus container already present in state, skipping " +
+ "(namespace: %s, pod UID: %s, pod: %s, container: %s)",
+ pod.Namespace, string(pod.UID), pod.Name, container.Name)
+ return nil
+ } else {
+ klog.Infof("[cpumanager] isolcpus container state has cpus %v, should be %v" +
+ "(namespace: %s, pod UID: %s, pod: %s, container: %s)",
+ isolcpus, set, pod.Namespace, string(pod.UID), pod.Name, container.Name)
+ }
+ }
+ // Note that we do not do anything about init containers here.
+ // It looks like devices are allocated per-pod based on effective requests/limits
+ // and extra devices from initContainers are not freed up when the regular containers start.
+ // TODO: confirm this is still true for 1.20
+ s.SetCPUSet(string(pod.UID), container.Name, isolcpus)
+ klog.Infof("[cpumanager] isolcpus: AddContainer " +
+ "(namespace: %s, pod UID: %s, pod: %s, container: %s); cpuset=%v",
+ pod.Namespace, string(pod.UID), pod.Name, container.Name, isolcpus)
+ return nil
}
+
// container belongs in the shared pool (nothing to do; use default cpuset)
return nil
}
@@ -566,4 +609,34 @@ func isKubeInfra(pod *v1.Pod) bool {
}
}
return false
+}
+
+// get the isolated CPUs (if any) from the devices associated with a specific container
+func (p *staticPolicy) podIsolCPUs(pod *v1.Pod, container *v1.Container) cpuset.CPUSet {
+ // NOTE: This is required for TestStaticPolicyAdd() since makePod() does
+ // not create UID. We also need a way to properly stub devicemanager.
+ if len(string(pod.UID)) == 0 {
+ return cpuset.NewCPUSet()
+ }
+ resContDevices := p.deviceManager.GetDevices(string(pod.UID), container.Name)
+ cpuSet := cpuset.NewCPUSet()
+ for resourceName, resourceDevs := range resContDevices {
+ // this resource name needs to match the isolcpus device plugin
+ if resourceName == "windriver.com/isolcpus" {
+ for devID, _ := range resourceDevs {
+ cpuStrList := []string{devID}
+ if len(cpuStrList) > 0 {
+ // loop over the list of strings, convert each one to int, add to cpuset
+ for _, cpuStr := range cpuStrList {
+ cpu, err := strconv.Atoi(cpuStr)
+ if err != nil {
+ panic(err)
+ }
+ cpuSet = cpuSet.Union(cpuset.NewCPUSet(cpu))
+ }
+ }
+ }
+ }
+ }
+ return cpuSet
}
\ No newline at end of file
diff --git a/pkg/kubelet/cm/cpumanager/policy_static_test.go b/pkg/kubelet/cm/cpumanager/policy_static_test.go
index 90ad98e71bc..8511d5635bd 100644
--- a/pkg/kubelet/cm/cpumanager/policy_static_test.go
+++ b/pkg/kubelet/cm/cpumanager/policy_static_test.go
@@ -27,6 +27,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager/bitmask"
+ "k8s.io/kubernetes/pkg/kubelet/cm/devicemanager"
)
type staticPolicyTest struct {
@@ -45,8 +46,9 @@ type staticPolicyTest struct {
}
func TestStaticPolicyName(t *testing.T) {
+ testDM, _ := devicemanager.NewManagerStub()
testExcl := false
- policy, _ := NewStaticPolicy(topoSingleSocketHT, 1, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testExcl)
+ policy, _ := NewStaticPolicy(topoSingleSocketHT, 1, cpuset.NewCPUSet(), cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, testExcl)
policyName := policy.Name()
if policyName != "static" {
@@ -56,6 +58,7 @@ func TestStaticPolicyName(t *testing.T) {
}
func TestStaticPolicyStart(t *testing.T) {
+ testDM, _ := devicemanager.NewManagerStub()
testCases := []staticPolicyTest{
{
description: "non-corrupted state",
@@ -131,7 +134,7 @@ func TestStaticPolicyStart(t *testing.T) {
}
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
- p, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testCase.excludeReserved)
+ p, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, testCase.excludeReserved)
policy := p.(*staticPolicy)
st := &mockState{
assignments: testCase.stAssignments,
@@ -179,6 +182,7 @@ func TestStaticPolicyAdd(t *testing.T) {
largeTopoSock0CPUSet := largeTopoSock0Builder.Result()
largeTopoSock1CPUSet := largeTopoSock1Builder.Result()
+ testDM, _ := devicemanager.NewManagerStub()
testCases := []staticPolicyTest{
{
description: "GuPodSingleCore, SingleSocketHT, ExpectError",
@@ -447,7 +451,7 @@ func TestStaticPolicyAdd(t *testing.T) {
}
for _, testCase := range testCases {
- policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testCase.excludeReserved)
+ policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, testCase.excludeReserved)
st := &mockState{
assignments: testCase.stAssignments,
@@ -490,6 +494,7 @@ func TestStaticPolicyAdd(t *testing.T) {
}
func TestStaticPolicyRemove(t *testing.T) {
+ testDM, _ := devicemanager.NewManagerStub()
excludeReserved := false
testCases := []staticPolicyTest{
{
@@ -549,7 +554,7 @@ func TestStaticPolicyRemove(t *testing.T) {
}
for _, testCase := range testCases {
- policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), excludeReserved)
+ policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, cpuset.NewCPUSet(), cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, excludeReserved)
st := &mockState{
assignments: testCase.stAssignments,
@@ -571,6 +576,7 @@ func TestStaticPolicyRemove(t *testing.T) {
}
func TestTopologyAwareAllocateCPUs(t *testing.T) {
+ testDM, _ := devicemanager.NewManagerStub()
excludeReserved := false
testCases := []struct {
description string
@@ -640,7 +646,7 @@ func TestTopologyAwareAllocateCPUs(t *testing.T) {
},
}
for _, tc := range testCases {
- p, _ := NewStaticPolicy(tc.topo, 0, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), excludeReserved)
+ p, _ := NewStaticPolicy(tc.topo, 0, cpuset.NewCPUSet(), cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, excludeReserved)
policy := p.(*staticPolicy)
st := &mockState{
assignments: tc.stAssignments,
@@ -673,6 +679,7 @@ type staticPolicyTestWithResvList struct {
topo *topology.CPUTopology
numReservedCPUs int
reserved cpuset.CPUSet
+ isolcpus cpuset.CPUSet
stAssignments state.ContainerCPUAssignments
stDefaultCPUSet cpuset.CPUSet
pod *v1.Pod
@@ -713,9 +720,10 @@ func TestStaticPolicyStartWithResvList(t *testing.T) {
},
}
testExcl := false
+ testDM, _ := devicemanager.NewManagerStub()
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
- p, err := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, testCase.reserved, topologymanager.NewFakeManager(), testExcl)
+ p, err := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, testCase.reserved, cpuset.NewCPUSet(), topologymanager.NewFakeManager(), testDM, testExcl)
if !reflect.DeepEqual(err, testCase.expNewErr) {
t.Errorf("StaticPolicy Start() error (%v). expected error: %v but got: %v",
testCase.description, testCase.expNewErr, err)
@@ -755,6 +763,7 @@ func TestStaticPolicyAddWithResvList(t *testing.T) {
topo: topoSingleSocketHT,
numReservedCPUs: 1,
reserved: cpuset.NewCPUSet(0),
+ isolcpus: cpuset.NewCPUSet(),
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(1, 2, 3, 4, 5, 6, 7),
pod: makePod("fakePod", "fakeContainer2", "8000m", "8000m"),
@@ -767,6 +776,7 @@ func TestStaticPolicyAddWithResvList(t *testing.T) {
topo: topoSingleSocketHT,
numReservedCPUs: 2,
reserved: cpuset.NewCPUSet(0, 1),
+ isolcpus: cpuset.NewCPUSet(),
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(2, 3, 4, 5, 6, 7),
pod: makePod("fakePod", "fakeContainer2", "1000m", "1000m"),
@@ -779,6 +789,7 @@ func TestStaticPolicyAddWithResvList(t *testing.T) {
topo: topoSingleSocketHT,
numReservedCPUs: 2,
reserved: cpuset.NewCPUSet(0, 1),
+ isolcpus: cpuset.NewCPUSet(),
stAssignments: state.ContainerCPUAssignments{
"fakePod": map[string]cpuset.CPUSet{
"fakeContainer100": cpuset.NewCPUSet(2, 3, 6, 7),
@@ -795,6 +806,7 @@ func TestStaticPolicyAddWithResvList(t *testing.T) {
topo: topoSingleSocketHT,
numReservedCPUs: 2,
reserved: cpuset.NewCPUSet(0, 1),
+ isolcpus: cpuset.NewCPUSet(),
stAssignments: state.ContainerCPUAssignments{
"fakePod": map[string]cpuset.CPUSet{
"fakeContainer100": cpuset.NewCPUSet(2, 3, 6, 7),
@@ -806,11 +818,29 @@ func TestStaticPolicyAddWithResvList(t *testing.T) {
expCPUAlloc: true,
expCSet: cpuset.NewCPUSet(0, 1),
},
+ {
+ description: "InfraPod, SingleSocketHT, Isolcpus, ExpectAllocReserved",
+ topo: topoSingleSocketHT,
+ numReservedCPUs: 2,
+ reserved: cpuset.NewCPUSet(0, 1),
+ isolcpus: cpuset.NewCPUSet(1),
+ stAssignments: state.ContainerCPUAssignments{
+ "fakePod": map[string]cpuset.CPUSet{
+ "fakeContainer100": cpuset.NewCPUSet(2, 3, 6, 7),
+ },
+ },
+ stDefaultCPUSet: cpuset.NewCPUSet(4, 5),
+ pod: infraPod,
+ expErr: nil,
+ expCPUAlloc: true,
+ expCSet: cpuset.NewCPUSet(0),
+ },
}
testExcl := true
+ testDM, _ := devicemanager.NewManagerStub()
for _, testCase := range testCases {
- policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, testCase.reserved, topologymanager.NewFakeManager(), testExcl)
+ policy, _ := NewStaticPolicy(testCase.topo, testCase.numReservedCPUs, testCase.reserved, testCase.isolcpus, topologymanager.NewFakeManager(), testDM, testExcl)
st := &mockState{
assignments: testCase.stAssignments,
--
2.17.1
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