perf

package

v0.30.0 Latest Latest Go to latest Published: Mar 4, 2024 License: Apache-2.0 Imports: 19 Imported by: 0

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Repository

github.com/parca-dev/parca-agent

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
type JITDumpCache
- func NewJITDumpCache(logger log.Logger, reg prometheus.Registerer, tmpDir string, ...) *JITDumpCache
- func (p *JITDumpCache) JITDumpForPID(pid int, path string) (*symtab.FileReader, error)
type Map
- func ReadJITdump(logger log.Logger, fileName string, w *symtab.FileWriter) (Map, error)
- func ReadPerfMap(logger log.Logger, fileName string, w *symtab.FileWriter, prevAddrCount uint64) (*Map, error)
- func (p *Map) DeduplicatedIndices() *roaring.Bitmap
type MapAddr
type PerfMapCache
- func NewPerfMapCache(logger log.Logger, reg prometheus.Registerer, nsCache *namespace.Cache, ...) *PerfMapCache
- func (p *PerfMapCache) PerfMapForPID(pid int) (*symtab.FileReader, error)

Constants ¶

This section is empty.

Variables ¶

View Source

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

View Source

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

View Source

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

Functions ¶

This section is empty.

Types ¶

type JITDumpCache ¶ added in v0.28.0

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

func NewJITDumpCache ¶ added in v0.28.0

func NewJITDumpCache(
	logger log.Logger,
	reg prometheus.Registerer,
	tmpDir string,
	profilingDuration time.Duration,
) *JITDumpCache

func (*JITDumpCache) JITDumpForPID ¶ added in v0.28.0

func (p *JITDumpCache) JITDumpForPID(pid int, path string) (*symtab.FileReader, error)

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

type Map ¶ added in v0.6.0

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

func ReadJITdump ¶ added in v0.28.0

func ReadJITdump(
	logger log.Logger,
	fileName string,
	w *symtab.FileWriter,
) (Map, error)

func ReadPerfMap ¶ added in v0.20.0

func ReadPerfMap(
	logger log.Logger,
	fileName string,
	w *symtab.FileWriter,
	prevAddrCount uint64,
) (*Map, error)

func (*Map) DeduplicatedIndices ¶ added in v0.28.0

func (p *Map) DeduplicatedIndices() *roaring.Bitmap

type MapAddr ¶ added in v0.6.0

type MapAddr struct {
	Start        uint64
	End          uint64
	SymbolOffset uint32
	SymbolLen    uint16
}

type PerfMapCache ¶ added in v0.20.0

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

func NewPerfMapCache ¶ added in v0.20.0

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

func (*PerfMapCache) PerfMapForPID ¶ added in v0.20.0

func (p *PerfMapCache) PerfMapForPID(pid int) (*symtab.FileReader, error)

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

Source Files ¶

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