util

package

v0.1.0 Latest Latest Go to latest Published: Aug 5, 2024 License: Apache-2.0 Imports: 9 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/chentao-kernel/spycat

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Documentation ¶

Index ¶

Constants
func CpuGet() ([]uint, error)
func KprobeExists(name string) bool
func PrintStack()
func PrintStructFields(s interface{})
func ReadCPURange(cpuRangeStr string) ([]uint, error)
func TracePointExists(category string, event string) bool
type AggregationType
- func (a AggregationType) String() string
type Metadata
type Units
- func (u Units) String() string

Constants ¶

View Source

const DEBUGFS = "/sys/kernel/debug/tracing"

View Source

const KPROBELIST = "/sys/kernel/debug/kprobes/blacklist"

View Source

const TRACEFS = "/sys/kernel/tracing"

Variables ¶

This section is empty.

Functions ¶

func CpuGet ¶

func CpuGet() ([]uint, error)

Get returns a slice with the online CPUs, for example `[0, 2, 3]`

func KprobeExists ¶

func KprobeExists(name string) bool

func PrintStack ¶

func PrintStack()

func PrintStructFields ¶

func PrintStructFields(s interface{})

func ReadCPURange ¶

func ReadCPURange(cpuRangeStr string) ([]uint, error)

loosely based on https://github.com/iovisor/bcc/blob/v0.3.0/src/python/bcc/utils.py#L15

func TracePointExists ¶

func TracePointExists(category string, event string) bool

Types ¶

type AggregationType ¶

type AggregationType string

const (
	AverageAggregationType AggregationType = "average"
	SumAggregationType     AggregationType = "sum"
)

func (AggregationType) String ¶

func (a AggregationType) String() string

type Metadata ¶

type Metadata struct {
	SpyName         string
	SampleRate      uint32
	Units           Units
	AggregationType AggregationType
}

type Units ¶

type Units string

const (
	SamplesUnits         Units = "samples"
	ObjectsUnits         Units = "objects"
	GoroutinesUnits      Units = "goroutines"
	BytesUnits           Units = "bytes"
	LockNanosecondsUnits Units = "lock_nanoseconds"
	LockSamplesUnits     Units = "lock_samples"
)

func (Units) String ¶

func (u Units) String() string

Source Files ¶

View all Source files

util.go

Directories ¶

Path	Synopsis
alignedticker
genericlru
trie
varint

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