profile

package
v0.11.1 Latest Latest
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 Go to latest Published: May 17, 2022 License: Apache-2.0 Imports: 10 Imported by: 2

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Constants

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Variables

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Functions

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Types

type InstantProfile 

type InstantProfile interface {
	ProfileMeta() InstantProfileMeta
	Samples() map[string]*Sample
}

func NewScaledInstantProfile 

func NewScaledInstantProfile(p InstantProfile, ratio float64) InstantProfile

type InstantProfileMeta 

type InstantProfileMeta struct {
	PeriodType ValueType
	SampleType ValueType
	Timestamp  int64
	Duration   int64
	Period     int64
}

func MetaFromPprof added in v0.8.0 

func MetaFromPprof(p *profile.Profile, sampleIndex int) InstantProfileMeta

type Profile added in v0.9.0 

type Profile struct {
	Meta        InstantProfileMeta
	FlatSamples map[string]*Sample
}

func CopyInstantProfile added in v0.9.0 

func CopyInstantProfile(p InstantProfile) *Profile

func FromPprof added in v0.9.0 

func FromPprof(ctx context.Context, logger log.Logger, metaStore metastore.ProfileMetaStore, p *profile.Profile, sampleIndex int, normalized bool) (*Profile, error)

func ProfilesFromPprof added in v0.9.0 

func ProfilesFromPprof(ctx context.Context, l log.Logger, s metastore.ProfileMetaStore, p *profile.Profile, normalized bool) ([]*Profile, error)

ProfilesFromPprof extracts a Profile from each sample index included in the pprof profile.

func (*Profile) ProfileMeta added in v0.9.0 

func (fp *Profile) ProfileMeta() InstantProfileMeta

func (*Profile) Samples added in v0.9.0 

func (fp *Profile) Samples() map[string]*Sample

type Sample 

type Sample struct {
	Location  []*metastore.Location
	Value     int64
	DiffValue int64
	Label     map[string][]string
	NumLabel  map[string][]int64
	NumUnit   map[string][]string
}

func MakeSample 

func MakeSample(value int64, locationIds []uuid.UUID) *Sample

MakeSample creates a sample from a stack trace (list of locations) and a value. Mostly meant for testing.

type ScaledInstantProfile 

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

func (*ScaledInstantProfile) ProfileMeta 

func (p *ScaledInstantProfile) ProfileMeta() InstantProfileMeta

func (*ScaledInstantProfile) Samples 

func (p *ScaledInstantProfile) Samples() map[string]*Sample

type StacktraceKey 

type StacktraceKey []byte

func MakeStacktraceKey 

func MakeStacktraceKey(sample *Sample) StacktraceKey

MakeStacktraceKey generates stacktraceKey to be used as a key for maps.

type StacktraceSamples added in v0.11.0 

type StacktraceSamples struct {
	Meta    InstantProfileMeta
	Samples []*Sample
}

func StacktraceSamplesFromFlatProfile added in v0.11.0 

func StacktraceSamplesFromFlatProfile(ctx context.Context, tracer trace.Tracer, metaStore metastore.ProfileMetaStore, p InstantProfile) (*StacktraceSamples, error)

type ValueType 

type ValueType struct {
	Type string
	Unit string
}

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