This commit contains the following:

1. Scheduler bug-fix + scheduler-focussed E2E tests
2. Add cgroup v2 support for in-place pod resize
3. Enable full E2E pod resize test for containerd>=1.6.9 and EventedPLEG related changes.

Co-Authored-By: Vinay Kulkarni <vskibum@gmail.com>

pkg/kubelet/cm/cgroup_manager_linux_test.go

@@ -169,3 +169,85 @@ func TestParseSystemdToCgroupName(t *testing.T) {
 		}
 	}
 }
+
+func TestCpuSharesToCpuWeight(t *testing.T) {
+	testCases := []struct {
+		cpuShares         uint64
+		expectedCpuWeight uint64
+	}{
+		{
+			cpuShares:         2,
+			expectedCpuWeight: 1,
+		},
+		{
+			cpuShares:         3,
+			expectedCpuWeight: 1,
+		},
+		{
+			cpuShares:         4,
+			expectedCpuWeight: 1,
+		},
+		{
+			cpuShares:         28,
+			expectedCpuWeight: 1,
+		},
+		{
+			cpuShares:         29,
+			expectedCpuWeight: 2,
+		},
+		{
+			cpuShares:         245,
+			expectedCpuWeight: 10,
+		},
+		{
+			cpuShares:         262144,
+			expectedCpuWeight: 10000,
+		},
+	}
+
+	for _, testCase := range testCases {
+		if actual := CpuSharesToCpuWeight(testCase.cpuShares); actual != testCase.expectedCpuWeight {
+			t.Errorf("cpuShares: %v, expectedCpuWeight: %v, actualCpuWeight: %v",
+				testCase.cpuShares, testCase.expectedCpuWeight, actual)
+		}
+	}
+}
+
+func TestCpuWeightToCpuShares(t *testing.T) {
+	testCases := []struct {
+		cpuWeight         uint64
+		expectedCpuShares uint64
+	}{
+		{
+			cpuWeight:         1,
+			expectedCpuShares: 2,
+		},
+		{
+			cpuWeight:         2,
+			expectedCpuShares: 28,
+		},
+		{
+			cpuWeight:         3,
+			expectedCpuShares: 54,
+		},
+		{
+			cpuWeight:         4,
+			expectedCpuShares: 80,
+		},
+		{
+			cpuWeight:         245,
+			expectedCpuShares: 6398,
+		},
+		{
+			cpuWeight:         10000,
+			expectedCpuShares: 262144,
+		},
+	}
+
+	for _, testCase := range testCases {
+		if actual := CpuWeightToCpuShares(testCase.cpuWeight); actual != testCase.expectedCpuShares {
+			t.Errorf("cpuWeight: %v, expectedCpuShares: %v, actualCpuShares: %v",
+				testCase.cpuWeight, testCase.expectedCpuShares, actual)
+		}
+	}
+}