pprof

package

v0.6.1 Latest Latest Go to latest Published: Jun 12, 2023 License: AGPL-3.0 Imports: 14 Imported by: 0

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func FromBytes(input []byte, fn func(*profilev1.Profile, int) error) error

Read Profile from Bytes

func FromProfile(p *profile.Profile) (*profilev1.Profile, error)

type Profile struct {
	*profilev1.Profile
	// contains filtered or unexported fields
}

func OpenFile(path string) (*Profile, error)

func RawFromBytes(input []byte) (_ *Profile, err error)

Read RawProfile from bytes

func (p *Profile) Close()

func (p *Profile) Normalize()

Normalize normalizes the profile by:

Removing all duplicate samples (summing their values).
Removing redundant profile labels (byte => unique of an allocation site) todo: We should reassess if this was a good choice because by merging duplicate stacktrace samples we cannot recompute the allocation per site ("bytes") profile label.
Removing empty samples.
Then remove unused references.
Ensure that the profile has a time_nanos set
Removes addresses from symbolized profiles.

func (p *Profile) SizeBytes() int

func (p *Profile) WriteTo(w io.Writer) (int64, error)

WriteTo writes the profile to the given writer.

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

func (h StacktracesHasher) Hashes(samples []*profilev1.Sample) []uint64

todo we might want to reuse the results to avoid allocations

Path	Synopsis
testhelper