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Add CPUManager tests for TopologyHint consumption

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This commit is contained in:
Kevin Klues 2019-08-07 13:48:34 +02:00
parent 8278d1134c
commit b3f4bed97f
1 changed files with 91 additions and 0 deletions
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91
pkg/kubelet/cm/cpumanager/policy_static_test.go
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@ -26,6 +26,7 @@ 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/topologymanager/socketmask"
)
type staticPolicyTest struct {
@ -740,3 +741,93 @@ func TestStaticPolicyRemove(t *testing.T) {
}
}
}
func TestTopologyAwareAllocateCPUs(t *testing.T) {
testCases := []struct {
description string
topo *topology.CPUTopology
stAssignments state.ContainerCPUAssignments
stDefaultCPUSet cpuset.CPUSet
numRequested int
socketMask socketmask.SocketMask
expCSet cpuset.CPUSet
}{
{
description: "Request 2 CPUs, No SocketMask",
topo: topoDualSocketHT,
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11),
numRequested: 2,
socketMask: nil,
expCSet: cpuset.NewCPUSet(0, 6),
},
{
description: "Request 2 CPUs, SocketMask on Socket 0",
topo: topoDualSocketHT,
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11),
numRequested: 2,
socketMask: func() socketmask.SocketMask {
mask, _ := socketmask.NewSocketMask(0)
return mask
}(),
expCSet: cpuset.NewCPUSet(0, 6),
},
{
description: "Request 2 CPUs, SocketMask on Socket 1",
topo: topoDualSocketHT,
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11),
numRequested: 2,
socketMask: func() socketmask.SocketMask {
mask, _ := socketmask.NewSocketMask(1)
return mask
}(),
expCSet: cpuset.NewCPUSet(1, 7),
},
{
description: "Request 8 CPUs, SocketMask on Socket 0",
topo: topoDualSocketHT,
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11),
numRequested: 8,
socketMask: func() socketmask.SocketMask {
mask, _ := socketmask.NewSocketMask(0)
return mask
}(),
expCSet: cpuset.NewCPUSet(0, 6, 2, 8, 4, 10, 1, 7),
},
{
description: "Request 8 CPUs, SocketMask on Socket 1",
topo: topoDualSocketHT,
stAssignments: state.ContainerCPUAssignments{},
stDefaultCPUSet: cpuset.NewCPUSet(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11),
numRequested: 8,
socketMask: func() socketmask.SocketMask {
mask, _ := socketmask.NewSocketMask(1)
return mask
}(),
expCSet: cpuset.NewCPUSet(1, 7, 3, 9, 5, 11, 0, 6),
},
}
for _, tc := range testCases {
policy := NewStaticPolicy(tc.topo, 0, topologymanager.NewFakeManager()).(*staticPolicy)
st := &mockState{
assignments: tc.stAssignments,
defaultCPUSet: tc.stDefaultCPUSet,
}
policy.Start(st)
cset, err := policy.allocateCPUs(st, tc.numRequested, tc.socketMask)
if err != nil {
t.Errorf("StaticPolicy allocateCPUs() error (%v). expected CPUSet %v not error %v",
tc.description, tc.expCSet, err)
continue
}
if !reflect.DeepEqual(tc.expCSet, cset) {
t.Errorf("StaticPolicy allocateCPUs() error (%v). expected CPUSet %v but got %v",
tc.description, tc.expCSet, cset)
}
}
}