cpu

Documentation

Index

• Constants
• Variables
• func FdInfoMemlock(logger log.Logger, data []byte) (int, error)
• type CPU
  • func NewCPUProfiler(logger log.Logger, reg prometheus.Registerer, ...) *CPU
  • func (p *CPU) LastError() error
  • func (p *CPU) LastProfileStartedAt() time.Time
  • func (p *CPU) Name() string
  • func (p *CPU) ProcessLastErrors() map[int]error
  • func (p *CPU) Run(ctx context.Context) error
• type Config

Constants

const (
	RequestUnwindInformation = 1 << 63
	RequestProcessMappings   = 1 << 62
	RequestRefreshProcInfo   = 1 << 61
)

Variables

var (
	ErrNeedMoreProfilingRounds = errors.New("not enough profiling rounds with this unwind info")
)

Functions

func FdInfoMemlock

func FdInfoMemlock(logger log.Logger, data []byte) (int, error)

FDInfoMemlock returns the memory locked by the fd for a process using fdinfo data.

Types

type CPU

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

func NewCPUProfiler

func NewCPUProfiler(
	logger log.Logger,
	reg prometheus.Registerer,
	processInfoManager profiler.ProcessInfoManager,
	profileConverter *pprof.Manager,
	profileWriter profiler.ProfileStore,
	profilingDuration time.Duration,
	profilingSamplingFrequency uint64,
	perfEventBufferPollInterval time.Duration,
	perfEventBufferProcessingInterval time.Duration,
	perfEventBufferWorkerCount int,
	memlockRlimit uint64,
	debugProcessNames []string,
	disableDWARFUnwinding bool,
	mixedUnwinding bool,
	verboseBpfLogging bool,
	bpfProgramLoaded chan bool,
) *CPU

func (*CPU) LastError

func (p *CPU) LastError() error

func (*CPU) LastProfileStartedAt

func (p *CPU) LastProfileStartedAt() time.Time

func (*CPU) Name

func (p *CPU) Name() string

func (*CPU) ProcessLastErrors

func (p *CPU) ProcessLastErrors() map[int]error

func (*CPU) Run

func (p *CPU) Run(ctx context.Context) error

type Config

type Config struct {
	FilterProcesses   bool
	VerboseLogging    bool
	MixedStackWalking bool
}