perf

package

v0.25.0 Latest Latest Go to latest Published: Sep 20, 2023 License: Apache-2.0 Imports: 16 Imported by: 0

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var (
	ErrPerfMapNotFound = errors.New("perf-map not found")
	ErrProcNotFound    = errors.New("process not found")
)

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var ErrJITDumpNotFound = errors.New("jitdump not found")

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var ErrNoSymbolFound = errors.New("no symbol found")

This section is empty.

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

func NewJitdumpCache(logger log.Logger, reg prometheus.Registerer, profilingDuration time.Duration) *JitdumpCache

func (p *JitdumpCache) JitdumpForPID(pid int, path string) (*Map, error)

DumpForPID reads the JIT dump for the given PID and filename and returns a Map that can be queried.

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

func ReadJitdump(logger log.Logger, fileName string) (Map, error)

func ReadPerfMap(
	logger log.Logger,
	fileName string,
) (*Map, error)

func (p *Map) Deduplicate() *Map

func (p *Map) Lookup(addr uint64) (string, error)

type MapAddr struct {
	Start  uint64
	End    uint64
	Symbol string
}

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

func NewPerfMapCache(logger log.Logger, reg prometheus.Registerer, nsCache *namespace.Cache, profilingDuration time.Duration) *PerfMapCache

func (p *PerfMapCache) PerfMapForPID(pid int) (*Map, error)

MapForPID returns the Map for the given pid if it exists.