sched

package

v0.0.0-...-74b9037 Latest Latest Go to latest Published: Apr 19, 2024 License: Apache-2.0, MIT Imports: 1 Imported by: 6

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Package sched implements scheduler related features.

This section is empty.

This section is empty.

func CPUSetSize(num uint) uint

CPUSetSize returns the size in bytes of a CPUSet that can contain num cpus.

type CPUSet []byte

CPUSet contains a bitmap to record CPU information.

Note that this definition is only correct for little-endian architectures, since Linux's cpumask_t uses unsigned long.

func NewCPUSet(num uint) CPUSet

NewCPUSet returns a CPUSet for the given number of CPUs which initially contains no CPUs.

func NewFullCPUSet(num uint) CPUSet

NewFullCPUSet returns a CPUSet for the given number of CPUs, all of which are present in the set.

func (c *CPUSet) ClearAbove(cpu uint)

ClearAbove clears bits corresponding to cpu and all higher cpus.

func (c CPUSet) Copy() CPUSet

Copy returns a copy of the CPUSet.

func (c CPUSet) ForEachCPU(fn func(uint))

ForEachCPU iterates over the CPUSet and calls fn with the cpu index if it's set.

func (c CPUSet) NumCPUs() uint

NumCPUs returns how many cpus are set in the CPUSet.

func (c *CPUSet) Set(cpu uint)

Set sets the bit corresponding to cpu.

func (c CPUSet) Size() uint

Size returns the size of 'c' in bytes.