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)
		}
	}
}

}

// Convert cgroup v1 cpu.shares value to cgroup v2 cpu.weight
// https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/2254-cgroup-v2#phase-1-convert-from-cgroups-v1-settings-to-v2
func CpuSharesToCpuWeight(cpuShares uint64) uint64 {
	return uint64((((cpuShares - 2) * 9999) / 262142) + 1)
}

// Convert cgroup v2 cpu.weight value to cgroup v1 cpu.shares