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 Go to latest Published: Oct 15, 2024 License: MPL-2.0 Imports: 6 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func Bandwidth 

func Bandwidth(mhz uint64) (uint64, error)

Bandwidth computes the CPU bandwidth given a mhz value from task config. We assume the bandwidth per-core base is 100_000 which is the default.

Types

type MicroSecond 

type MicroSecond uint64

type Percent 

type Percent float64

type Specs 

type Specs struct {
	MHz   int
	Cores int
}

func GetSpecs 

func GetSpecs() *Specs

GetSpecs returns the MHz and Cores of the detected CPU.

Tries to read accurate information out of /sys/devices before falling back to /proc/cpuinfo.

TODO(shoenig): we should probably get this from the Topology plumbed into the driver - which did not exist for the pledge driver when this code was originally written.

func (*Specs) Ticks 

func (s *Specs) Ticks() int

type TrackCPU 

type TrackCPU struct {
	// contains filtered or unexported fields
}

func (*TrackCPU) Percent 

func (t *TrackCPU) Percent(user, system, total MicroSecond) (Percent, Percent, Percent)

Percent returns the percentage of time spent in user, system, total CPU usage.

type Utilization 

type Utilization struct {
	Memory uint64
	Swap   uint64
	Cache  uint64

	System          Percent
	User            Percent
	Percent         Percent
	ThrottlePeriods uint64
	ThrottleTime    uint64
	Ticks           Percent
}

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