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go get -u ./...; go mod tidy

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This commit is contained in:
Frank Denis 2025-01-06 17:30:45 +01:00
parent efe8b7824c
commit 699a6a1ebc
224 changed files with 12493 additions and 4330 deletions
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97
vendor/github.com/google/pprof/profile/encode.go generated vendored
View file

@ -17,6 +17,7 @@ package profile
import (
"errors"
"sort"
"strings"
)
func (p *Profile) decoder() []decoder {
@ -121,6 +122,7 @@ func (p *Profile) preEncode() {
}
p.defaultSampleTypeX = addString(strings, p.DefaultSampleType)
p.docURLX = addString(strings, p.DocURL)
p.stringTable = make([]string, len(strings))
for s, i := range strings {
@ -155,6 +157,7 @@ func (p *Profile) encode(b *buffer) {
encodeInt64Opt(b, 12, p.Period)
encodeInt64s(b, 13, p.commentX)
encodeInt64(b, 14, p.defaultSampleTypeX)
encodeInt64Opt(b, 15, p.docURLX)
}
var profileDecoder = []decoder{
@ -183,12 +186,13 @@ var profileDecoder = []decoder{
// repeated Location location = 4
func(b *buffer, m message) error {
x := new(Location)
x.Line = make([]Line, 0, 8) // Pre-allocate Line buffer
x.Line = b.tmpLines[:0] // Use shared space temporarily
pp := m.(*Profile)
pp.Location = append(pp.Location, x)
err := decodeMessage(b, x)
var tmp []Line
x.Line = append(tmp, x.Line...) // Shrink to allocated size
b.tmpLines = x.Line[:0]
// Copy to shrink size and detach from shared space.
x.Line = append([]Line(nil), x.Line...)
return err
},
// repeated Function function = 5
@ -235,6 +239,8 @@ var profileDecoder = []decoder{
func(b *buffer, m message) error { return decodeInt64s(b, &m.(*Profile).commentX) },
// int64 defaultSampleType = 14
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).defaultSampleTypeX) },
// string doc_link = 15;
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).docURLX) },
}
// postDecode takes the unexported fields populated by decode (with
@ -252,6 +258,14 @@ func (p *Profile) postDecode() error {
} else {
mappings[m.ID] = m
}
// If this a main linux kernel mapping with a relocation symbol suffix
// ("[kernel.kallsyms]_text"), extract said suffix.
// It is fairly hacky to handle at this level, but the alternatives appear even worse.
const prefix = "[kernel.kallsyms]"
if strings.HasPrefix(m.File, prefix) {
m.KernelRelocationSymbol = m.File[len(prefix):]
}
}
functions := make(map[uint64]*Function, len(p.Function))
@ -298,41 +312,52 @@ func (p *Profile) postDecode() error {
st.Unit, err = getString(p.stringTable, &st.unitX, err)
}
// Pre-allocate space for all locations.
numLocations := 0
for _, s := range p.Sample {
labels := make(map[string][]string, len(s.labelX))
numLabels := make(map[string][]int64, len(s.labelX))
numUnits := make(map[string][]string, len(s.labelX))
for _, l := range s.labelX {
var key, value string
key, err = getString(p.stringTable, &l.keyX, err)
if l.strX != 0 {
value, err = getString(p.stringTable, &l.strX, err)
labels[key] = append(labels[key], value)
} else if l.numX != 0 || l.unitX != 0 {
numValues := numLabels[key]
units := numUnits[key]
if l.unitX != 0 {
var unit string
unit, err = getString(p.stringTable, &l.unitX, err)
units = padStringArray(units, len(numValues))
numUnits[key] = append(units, unit)
}
numLabels[key] = append(numLabels[key], l.numX)
}
}
if len(labels) > 0 {
s.Label = labels
}
if len(numLabels) > 0 {
s.NumLabel = numLabels
for key, units := range numUnits {
if len(units) > 0 {
numUnits[key] = padStringArray(units, len(numLabels[key]))
numLocations += len(s.locationIDX)
}
locBuffer := make([]*Location, numLocations)
for _, s := range p.Sample {
if len(s.labelX) > 0 {
labels := make(map[string][]string, len(s.labelX))
numLabels := make(map[string][]int64, len(s.labelX))
numUnits := make(map[string][]string, len(s.labelX))
for _, l := range s.labelX {
var key, value string
key, err = getString(p.stringTable, &l.keyX, err)
if l.strX != 0 {
value, err = getString(p.stringTable, &l.strX, err)
labels[key] = append(labels[key], value)
} else if l.numX != 0 || l.unitX != 0 {
numValues := numLabels[key]
units := numUnits[key]
if l.unitX != 0 {
var unit string
unit, err = getString(p.stringTable, &l.unitX, err)
units = padStringArray(units, len(numValues))
numUnits[key] = append(units, unit)
}
numLabels[key] = append(numLabels[key], l.numX)
}
}
s.NumUnit = numUnits
if len(labels) > 0 {
s.Label = labels
}
if len(numLabels) > 0 {
s.NumLabel = numLabels
for key, units := range numUnits {
if len(units) > 0 {
numUnits[key] = padStringArray(units, len(numLabels[key]))
}
}
s.NumUnit = numUnits
}
}
s.Location = make([]*Location, len(s.locationIDX))
s.Location = locBuffer[:len(s.locationIDX)]
locBuffer = locBuffer[len(s.locationIDX):]
for i, lid := range s.locationIDX {
if lid < uint64(len(locationIds)) {
s.Location[i] = locationIds[lid]
@ -363,6 +388,7 @@ func (p *Profile) postDecode() error {
p.commentX = nil
p.DefaultSampleType, err = getString(p.stringTable, &p.defaultSampleTypeX, err)
p.DocURL, err = getString(p.stringTable, &p.docURLX, err)
p.stringTable = nil
return err
}
@ -509,6 +535,7 @@ func (p *Line) decoder() []decoder {
func (p *Line) encode(b *buffer) {
encodeUint64Opt(b, 1, p.functionIDX)
encodeInt64Opt(b, 2, p.Line)
encodeInt64Opt(b, 3, p.Column)
}
var lineDecoder = []decoder{
@ -517,6 +544,8 @@ var lineDecoder = []decoder{
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Line).functionIDX) },
// optional int64 line = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Line).Line) },
// optional int64 column = 3
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Line).Column) },
}
func (p *Function) decoder() []decoder {

4
vendor/github.com/google/pprof/profile/filter.go generated vendored
View file

@ -22,6 +22,10 @@ import "regexp"
// samples where at least one frame matches focus but none match ignore.
// Returns true is the corresponding regexp matched at least one sample.
func (p *Profile) FilterSamplesByName(focus, ignore, hide, show *regexp.Regexp) (fm, im, hm, hnm bool) {
if focus == nil && ignore == nil && hide == nil && show == nil {
fm = true // Missing focus implies a match
return
}
focusOrIgnore := make(map[uint64]bool)
hidden := make(map[uint64]bool)
for _, l := range p.Location {

4
vendor/github.com/google/pprof/profile/legacy_java_profile.go generated vendored
View file

@ -56,7 +56,7 @@ func javaCPUProfile(b []byte, period int64, parse func(b []byte) (uint64, []byte
}
// Strip out addresses for better merge.
if err = p.Aggregate(true, true, true, true, false); err != nil {
if err = p.Aggregate(true, true, true, true, false, false); err != nil {
return nil, err
}
@ -99,7 +99,7 @@ func parseJavaProfile(b []byte) (*Profile, error) {
}
// Strip out addresses for better merge.
if err = p.Aggregate(true, true, true, true, false); err != nil {
if err = p.Aggregate(true, true, true, true, false, false); err != nil {
return nil, err
}

31
vendor/github.com/google/pprof/profile/legacy_profile.go generated vendored
View file

@ -295,11 +295,12 @@ func get64b(b []byte) (uint64, []byte) {
//
// The general format for profilez samples is a sequence of words in
// binary format. The first words are a header with the following data:
// 1st word -- 0
// 2nd word -- 3
// 3rd word -- 0 if a c++ application, 1 if a java application.
// 4th word -- Sampling period (in microseconds).
// 5th word -- Padding.
//
// 1st word -- 0
// 2nd word -- 3
// 3rd word -- 0 if a c++ application, 1 if a java application.
// 4th word -- Sampling period (in microseconds).
// 5th word -- Padding.
func parseCPU(b []byte) (*Profile, error) {
var parse func([]byte) (uint64, []byte)
var n1, n2, n3, n4, n5 uint64
@ -403,15 +404,18 @@ func cleanupDuplicateLocations(p *Profile) {
//
// profilez samples are a repeated sequence of stack frames of the
// form:
// 1st word -- The number of times this stack was encountered.
// 2nd word -- The size of the stack (StackSize).
// 3rd word -- The first address on the stack.
// ...
// StackSize + 2 -- The last address on the stack
//
// 1st word -- The number of times this stack was encountered.
// 2nd word -- The size of the stack (StackSize).
// 3rd word -- The first address on the stack.
// ...
// StackSize + 2 -- The last address on the stack
//
// The last stack trace is of the form:
// 1st word -- 0
// 2nd word -- 1
// 3rd word -- 0
//
// 1st word -- 0
// 2nd word -- 1
// 3rd word -- 0
//
// Addresses from stack traces may point to the next instruction after
// each call. Optionally adjust by -1 to land somewhere on the actual
@ -861,7 +865,6 @@ func parseThread(b []byte) (*Profile, error) {
// Recognize each thread and populate profile samples.
for !isMemoryMapSentinel(line) {
if strings.HasPrefix(line, "---- no stack trace for") {
line = ""
break
}
if t := threadStartRE.FindStringSubmatch(line); len(t) != 4 {

287
vendor/github.com/google/pprof/profile/merge.go generated vendored
View file

@ -15,6 +15,7 @@
package profile
import (
"encoding/binary"
"fmt"
"sort"
"strconv"
@ -58,7 +59,7 @@ func Merge(srcs []*Profile) (*Profile, error) {
for _, src := range srcs {
// Clear the profile-specific hash tables
pm.locationsByID = make(map[uint64]*Location, len(src.Location))
pm.locationsByID = makeLocationIDMap(len(src.Location))
pm.functionsByID = make(map[uint64]*Function, len(src.Function))
pm.mappingsByID = make(map[uint64]mapInfo, len(src.Mapping))
@ -136,7 +137,7 @@ type profileMerger struct {
p *Profile
// Memoization tables within a profile.
locationsByID map[uint64]*Location
locationsByID locationIDMap
functionsByID map[uint64]*Function
mappingsByID map[uint64]mapInfo
@ -153,6 +154,16 @@ type mapInfo struct {
}
func (pm *profileMerger) mapSample(src *Sample) *Sample {
// Check memoization table
k := pm.sampleKey(src)
if ss, ok := pm.samples[k]; ok {
for i, v := range src.Value {
ss.Value[i] += v
}
return ss
}
// Make new sample.
s := &Sample{
Location: make([]*Location, len(src.Location)),
Value: make([]int64, len(src.Value)),
@ -177,52 +188,98 @@ func (pm *profileMerger) mapSample(src *Sample) *Sample {
s.NumLabel[k] = vv
s.NumUnit[k] = uu
}
// Check memoization table. Must be done on the remapped location to
// account for the remapped mapping. Add current values to the
// existing sample.
k := s.key()
if ss, ok := pm.samples[k]; ok {
for i, v := range src.Value {
ss.Value[i] += v
}
return ss
}
copy(s.Value, src.Value)
pm.samples[k] = s
pm.p.Sample = append(pm.p.Sample, s)
return s
}
// key generates sampleKey to be used as a key for maps.
func (sample *Sample) key() sampleKey {
ids := make([]string, len(sample.Location))
for i, l := range sample.Location {
ids[i] = strconv.FormatUint(l.ID, 16)
func (pm *profileMerger) sampleKey(sample *Sample) sampleKey {
// Accumulate contents into a string.
var buf strings.Builder
buf.Grow(64) // Heuristic to avoid extra allocs
// encode a number
putNumber := func(v uint64) {
var num [binary.MaxVarintLen64]byte
n := binary.PutUvarint(num[:], v)
buf.Write(num[:n])
}
labels := make([]string, 0, len(sample.Label))
for k, v := range sample.Label {
labels = append(labels, fmt.Sprintf("%q%q", k, v))
// encode a string prefixed with its length.
putDelimitedString := func(s string) {
putNumber(uint64(len(s)))
buf.WriteString(s)
}
sort.Strings(labels)
numlabels := make([]string, 0, len(sample.NumLabel))
for k, v := range sample.NumLabel {
numlabels = append(numlabels, fmt.Sprintf("%q%x%x", k, v, sample.NumUnit[k]))
for _, l := range sample.Location {
// Get the location in the merged profile, which may have a different ID.
if loc := pm.mapLocation(l); loc != nil {
putNumber(loc.ID)
}
}
sort.Strings(numlabels)
putNumber(0) // Delimiter
return sampleKey{
strings.Join(ids, "|"),
strings.Join(labels, ""),
strings.Join(numlabels, ""),
for _, l := range sortedKeys1(sample.Label) {
putDelimitedString(l)
values := sample.Label[l]
putNumber(uint64(len(values)))
for _, v := range values {
putDelimitedString(v)
}
}
for _, l := range sortedKeys2(sample.NumLabel) {
putDelimitedString(l)
values := sample.NumLabel[l]
putNumber(uint64(len(values)))
for _, v := range values {
putNumber(uint64(v))
}
units := sample.NumUnit[l]
putNumber(uint64(len(units)))
for _, v := range units {
putDelimitedString(v)
}
}
return sampleKey(buf.String())
}
type sampleKey struct {
locations string
labels string
numlabels string
type sampleKey string
// sortedKeys1 returns the sorted keys found in a string->[]string map.
//
// Note: this is currently non-generic since github pprof runs golint,
// which does not support generics. When that issue is fixed, it can
// be merged with sortedKeys2 and made into a generic function.
func sortedKeys1(m map[string][]string) []string {
if len(m) == 0 {
return nil
}
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
return keys
}
// sortedKeys2 returns the sorted keys found in a string->[]int64 map.
//
// Note: this is currently non-generic since github pprof runs golint,
// which does not support generics. When that issue is fixed, it can
// be merged with sortedKeys1 and made into a generic function.
func sortedKeys2(m map[string][]int64) []string {
if len(m) == 0 {
return nil
}
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
return keys
}
func (pm *profileMerger) mapLocation(src *Location) *Location {
@ -230,7 +287,7 @@ func (pm *profileMerger) mapLocation(src *Location) *Location {
return nil
}
if l, ok := pm.locationsByID[src.ID]; ok {
if l := pm.locationsByID.get(src.ID); l != nil {
return l
}
@ -249,10 +306,10 @@ func (pm *profileMerger) mapLocation(src *Location) *Location {
// account for the remapped mapping ID.
k := l.key()
if ll, ok := pm.locations[k]; ok {
pm.locationsByID[src.ID] = ll
pm.locationsByID.set(src.ID, ll)
return ll
}
pm.locationsByID[src.ID] = l
pm.locationsByID.set(src.ID, l)
pm.locations[k] = l
pm.p.Location = append(pm.p.Location, l)
return l
@ -269,12 +326,13 @@ func (l *Location) key() locationKey {
key.addr -= l.Mapping.Start
key.mappingID = l.Mapping.ID
}
lines := make([]string, len(l.Line)*2)
lines := make([]string, len(l.Line)*3)
for i, line := range l.Line {
if line.Function != nil {
lines[i*2] = strconv.FormatUint(line.Function.ID, 16)
}
lines[i*2+1] = strconv.FormatInt(line.Line, 16)
lines[i*2+2] = strconv.FormatInt(line.Column, 16)
}
key.lines = strings.Join(lines, "|")
return key
@ -303,16 +361,17 @@ func (pm *profileMerger) mapMapping(src *Mapping) mapInfo {
return mi
}
m := &Mapping{
ID: uint64(len(pm.p.Mapping) + 1),
Start: src.Start,
Limit: src.Limit,
Offset: src.Offset,
File: src.File,
BuildID: src.BuildID,
HasFunctions: src.HasFunctions,
HasFilenames: src.HasFilenames,
HasLineNumbers: src.HasLineNumbers,
HasInlineFrames: src.HasInlineFrames,
ID: uint64(len(pm.p.Mapping) + 1),
Start: src.Start,
Limit: src.Limit,
Offset: src.Offset,
File: src.File,
KernelRelocationSymbol: src.KernelRelocationSymbol,
BuildID: src.BuildID,
HasFunctions: src.HasFunctions,
HasFilenames: src.HasFilenames,
HasLineNumbers: src.HasLineNumbers,
HasInlineFrames: src.HasInlineFrames,
}
pm.p.Mapping = append(pm.p.Mapping, m)
@ -360,6 +419,7 @@ func (pm *profileMerger) mapLine(src Line) Line {
ln := Line{
Function: pm.mapFunction(src.Function),
Line: src.Line,
Column: src.Column,
}
return ln
}
@ -416,6 +476,7 @@ func combineHeaders(srcs []*Profile) (*Profile, error) {
var timeNanos, durationNanos, period int64
var comments []string
seenComments := map[string]bool{}
var docURL string
var defaultSampleType string
for _, s := range srcs {
if timeNanos == 0 || s.TimeNanos < timeNanos {
@ -434,6 +495,9 @@ func combineHeaders(srcs []*Profile) (*Profile, error) {
if defaultSampleType == "" {
defaultSampleType = s.DefaultSampleType
}
if docURL == "" {
docURL = s.DocURL
}
}
p := &Profile{
@ -449,6 +513,7 @@ func combineHeaders(srcs []*Profile) (*Profile, error) {
Comments: comments,
DefaultSampleType: defaultSampleType,
DocURL: docURL,
}
copy(p.SampleType, srcs[0].SampleType)
return p, nil
@ -479,3 +544,131 @@ func (p *Profile) compatible(pb *Profile) error {
func equalValueType(st1, st2 *ValueType) bool {
return st1.Type == st2.Type && st1.Unit == st2.Unit
}
// locationIDMap is like a map[uint64]*Location, but provides efficiency for
// ids that are densely numbered, which is often the case.
type locationIDMap struct {
dense []*Location // indexed by id for id < len(dense)
sparse map[uint64]*Location // indexed by id for id >= len(dense)
}
func makeLocationIDMap(n int) locationIDMap {
return locationIDMap{
dense: make([]*Location, n),
sparse: map[uint64]*Location{},
}
}
func (lm locationIDMap) get(id uint64) *Location {
if id < uint64(len(lm.dense)) {
return lm.dense[int(id)]
}
return lm.sparse[id]
}
func (lm locationIDMap) set(id uint64, loc *Location) {
if id < uint64(len(lm.dense)) {
lm.dense[id] = loc
return
}
lm.sparse[id] = loc
}
// CompatibilizeSampleTypes makes profiles compatible to be compared/merged. It
// keeps sample types that appear in all profiles only and drops/reorders the
// sample types as necessary.
//
// In the case of sample types order is not the same for given profiles the
// order is derived from the first profile.
//
// Profiles are modified in-place.
//
// It returns an error if the sample type's intersection is empty.
func CompatibilizeSampleTypes(ps []*Profile) error {
sTypes := commonSampleTypes(ps)
if len(sTypes) == 0 {
return fmt.Errorf("profiles have empty common sample type list")
}
for _, p := range ps {
if err := compatibilizeSampleTypes(p, sTypes); err != nil {
return err
}
}
return nil
}
// commonSampleTypes returns sample types that appear in all profiles in the
// order how they ordered in the first profile.
func commonSampleTypes(ps []*Profile) []string {
if len(ps) == 0 {
return nil
}
sTypes := map[string]int{}
for _, p := range ps {
for _, st := range p.SampleType {
sTypes[st.Type]++
}
}
var res []string
for _, st := range ps[0].SampleType {
if sTypes[st.Type] == len(ps) {
res = append(res, st.Type)
}
}
return res
}
// compatibilizeSampleTypes drops sample types that are not present in sTypes
// list and reorder them if needed.
//
// It sets DefaultSampleType to sType[0] if it is not in sType list.
//
// It assumes that all sample types from the sTypes list are present in the
// given profile otherwise it returns an error.
func compatibilizeSampleTypes(p *Profile, sTypes []string) error {
if len(sTypes) == 0 {
return fmt.Errorf("sample type list is empty")
}
defaultSampleType := sTypes[0]
reMap, needToModify := make([]int, len(sTypes)), false
for i, st := range sTypes {
if st == p.DefaultSampleType {
defaultSampleType = p.DefaultSampleType
}
idx := searchValueType(p.SampleType, st)
if idx < 0 {
return fmt.Errorf("%q sample type is not found in profile", st)
}
reMap[i] = idx
if idx != i {
needToModify = true
}
}
if !needToModify && len(sTypes) == len(p.SampleType) {
return nil
}
p.DefaultSampleType = defaultSampleType
oldSampleTypes := p.SampleType
p.SampleType = make([]*ValueType, len(sTypes))
for i, idx := range reMap {
p.SampleType[i] = oldSampleTypes[idx]
}
values := make([]int64, len(sTypes))
for _, s := range p.Sample {
for i, idx := range reMap {
values[i] = s.Value[idx]
}
s.Value = s.Value[:len(values)]
copy(s.Value, values)
}
return nil
}
func searchValueType(vts []*ValueType, s string) int {
for i, vt := range vts {
if vt.Type == s {
return i
}
}
return -1
}

84
vendor/github.com/google/pprof/profile/profile.go generated vendored
View file

@ -21,7 +21,6 @@ import (
"compress/gzip"
"fmt"
"io"
"io/ioutil"
"math"
"path/filepath"
"regexp"
@ -40,6 +39,7 @@ type Profile struct {
Location []*Location
Function []*Function
Comments []string
DocURL string
DropFrames string
KeepFrames string
@ -54,6 +54,7 @@ type Profile struct {
encodeMu sync.Mutex
commentX []int64
docURLX int64
dropFramesX int64
keepFramesX int64
stringTable []string
@ -73,9 +74,23 @@ type ValueType struct {
type Sample struct {
Location []*Location
Value []int64
Label map[string][]string
// Label is a per-label-key map to values for string labels.
//
// In general, having multiple values for the given label key is strongly
// discouraged - see docs for the sample label field in profile.proto. The
// main reason this unlikely state is tracked here is to make the
// decoding->encoding roundtrip not lossy. But we expect that the value
// slices present in this map are always of length 1.
Label map[string][]string
// NumLabel is a per-label-key map to values for numeric labels. See a note
// above on handling multiple values for a label.
NumLabel map[string][]int64
NumUnit map[string][]string
// NumUnit is a per-label-key map to the unit names of corresponding numeric
// label values. The unit info may be missing even if the label is in
// NumLabel, see the docs in profile.proto for details. When the value is
// slice is present and not nil, its length must be equal to the length of
// the corresponding value slice in NumLabel.
NumUnit map[string][]string
locationIDX []uint64
labelX []label
@ -106,6 +121,15 @@ type Mapping struct {
fileX int64
buildIDX int64
// Name of the kernel relocation symbol ("_text" or "_stext"), extracted from File.
// For linux kernel mappings generated by some tools, correct symbolization depends
// on knowing which of the two possible relocation symbols was used for `Start`.
// This is given to us as a suffix in `File` (e.g. "[kernel.kallsyms]_stext").
//
// Note, this public field is not persisted in the proto. For the purposes of
// copying / merging / hashing profiles, it is considered subsumed by `File`.
KernelRelocationSymbol string
}
// Location corresponds to Profile.Location
@ -123,6 +147,7 @@ type Location struct {
type Line struct {
Function *Function
Line int64
Column int64
functionIDX uint64
}
@ -144,7 +169,7 @@ type Function struct {
// may be a gzip-compressed encoded protobuf or one of many legacy
// profile formats which may be unsupported in the future.
func Parse(r io.Reader) (*Profile, error) {
data, err := ioutil.ReadAll(r)
data, err := io.ReadAll(r)
if err != nil {
return nil, err
}
@ -159,7 +184,7 @@ func ParseData(data []byte) (*Profile, error) {
if len(data) >= 2 && data[0] == 0x1f && data[1] == 0x8b {
gz, err := gzip.NewReader(bytes.NewBuffer(data))
if err == nil {
data, err = ioutil.ReadAll(gz)
data, err = io.ReadAll(gz)
}
if err != nil {
return nil, fmt.Errorf("decompressing profile: %v", err)
@ -414,7 +439,7 @@ func (p *Profile) CheckValid() error {
// Aggregate merges the locations in the profile into equivalence
// classes preserving the request attributes. It also updates the
// samples to point to the merged locations.
func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address bool) error {
func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, columnnumber, address bool) error {
for _, m := range p.Mapping {
m.HasInlineFrames = m.HasInlineFrames && inlineFrame
m.HasFunctions = m.HasFunctions && function
@ -436,7 +461,7 @@ func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address
}
// Aggregate locations
if !inlineFrame || !address || !linenumber {
if !inlineFrame || !address || !linenumber || !columnnumber {
for _, l := range p.Location {
if !inlineFrame && len(l.Line) > 1 {
l.Line = l.Line[len(l.Line)-1:]
@ -444,6 +469,12 @@ func (p *Profile) Aggregate(inlineFrame, function, filename, linenumber, address
if !linenumber {
for i := range l.Line {
l.Line[i].Line = 0
l.Line[i].Column = 0
}
}
if !columnnumber {
for i := range l.Line {
l.Line[i].Column = 0
}
}
if !address {
@ -526,6 +557,9 @@ func (p *Profile) String() string {
for _, c := range p.Comments {
ss = append(ss, "Comment: "+c)
}
if url := p.DocURL; url != "" {
ss = append(ss, fmt.Sprintf("Doc: %s", url))
}
if pt := p.PeriodType; pt != nil {
ss = append(ss, fmt.Sprintf("PeriodType: %s %s", pt.Type, pt.Unit))
}
@ -605,10 +639,11 @@ func (l *Location) string() string {
for li := range l.Line {
lnStr := "??"
if fn := l.Line[li].Function; fn != nil {
lnStr = fmt.Sprintf("%s %s:%d s=%d",
lnStr = fmt.Sprintf("%s %s:%d:%d s=%d",
fn.Name,
fn.Filename,
l.Line[li].Line,
l.Line[li].Column,
fn.StartLine)
if fn.Name != fn.SystemName {
lnStr = lnStr + "(" + fn.SystemName + ")"
@ -707,6 +742,35 @@ func (s *Sample) HasLabel(key, value string) bool {
return false
}
// SetNumLabel sets the specified key to the specified value for all samples in the
// profile. "unit" is a slice that describes the units that each corresponding member
// of "values" is measured in (e.g. bytes or seconds). If there is no relevant
// unit for a given value, that member of "unit" should be the empty string.
// "unit" must either have the same length as "value", or be nil.
func (p *Profile) SetNumLabel(key string, value []int64, unit []string) {
for _, sample := range p.Sample {
if sample.NumLabel == nil {
sample.NumLabel = map[string][]int64{key: value}
} else {
sample.NumLabel[key] = value
}
if sample.NumUnit == nil {
sample.NumUnit = map[string][]string{key: unit}
} else {
sample.NumUnit[key] = unit
}
}
}
// RemoveNumLabel removes all numerical labels associated with the specified key for all
// samples in the profile.
func (p *Profile) RemoveNumLabel(key string) {
for _, sample := range p.Sample {
delete(sample.NumLabel, key)
delete(sample.NumUnit, key)
}
}
// DiffBaseSample returns true if a sample belongs to the diff base and false
// otherwise.
func (s *Sample) DiffBaseSample() bool {
@ -785,10 +849,10 @@ func (p *Profile) HasFileLines() bool {
// Unsymbolizable returns true if a mapping points to a binary for which
// locations can't be symbolized in principle, at least now. Examples are
// "[vdso]", [vsyscall]" and some others, see the code.
// "[vdso]", "[vsyscall]" and some others, see the code.
func (m *Mapping) Unsymbolizable() bool {
name := filepath.Base(m.File)
return strings.HasPrefix(name, "[") || strings.HasPrefix(name, "linux-vdso") || strings.HasPrefix(m.File, "/dev/dri/")
return strings.HasPrefix(name, "[") || strings.HasPrefix(name, "linux-vdso") || strings.HasPrefix(m.File, "/dev/dri/") || m.File == "//anon"
}
// Copy makes a fully independent copy of a profile.

19
vendor/github.com/google/pprof/profile/proto.go generated vendored
View file

@ -39,11 +39,12 @@ import (
)
type buffer struct {
field int // field tag
typ int // proto wire type code for field
u64 uint64
data []byte
tmp [16]byte
field int // field tag
typ int // proto wire type code for field
u64 uint64
data []byte
tmp [16]byte
tmpLines []Line // temporary storage used while decoding "repeated Line".
}
type decoder func(*buffer, message) error
@ -286,7 +287,6 @@ func decodeInt64s(b *buffer, x *[]int64) error {
if b.typ == 2 {
// Packed encoding
data := b.data
tmp := make([]int64, 0, len(data)) // Maximally sized
for len(data) > 0 {
var u uint64
var err error
@ -294,9 +294,8 @@ func decodeInt64s(b *buffer, x *[]int64) error {
if u, data, err = decodeVarint(data); err != nil {
return err
}
tmp = append(tmp, int64(u))
*x = append(*x, int64(u))
}
*x = append(*x, tmp...)
return nil
}
var i int64
@ -319,7 +318,6 @@ func decodeUint64s(b *buffer, x *[]uint64) error {
if b.typ == 2 {
data := b.data
// Packed encoding
tmp := make([]uint64, 0, len(data)) // Maximally sized
for len(data) > 0 {
var u uint64
var err error
@ -327,9 +325,8 @@ func decodeUint64s(b *buffer, x *[]uint64) error {
if u, data, err = decodeVarint(data); err != nil {
return err
}
tmp = append(tmp, u)
*x = append(*x, u)
}
*x = append(*x, tmp...)
return nil
}
var u uint64

26
vendor/github.com/google/pprof/profile/prune.go generated vendored
View file

@ -62,15 +62,31 @@ func (p *Profile) Prune(dropRx, keepRx *regexp.Regexp) {
prune := make(map[uint64]bool)
pruneBeneath := make(map[uint64]bool)
// simplifyFunc can be expensive, so cache results.
// Note that the same function name can be encountered many times due
// different lines and addresses in the same function.
pruneCache := map[string]bool{} // Map from function to whether or not to prune
pruneFromHere := func(s string) bool {
if r, ok := pruneCache[s]; ok {
return r
}
funcName := simplifyFunc(s)
if dropRx.MatchString(funcName) {
if keepRx == nil || !keepRx.MatchString(funcName) {
pruneCache[s] = true
return true
}
}
pruneCache[s] = false
return false
}
for _, loc := range p.Location {
var i int
for i = len(loc.Line) - 1; i >= 0; i-- {
if fn := loc.Line[i].Function; fn != nil && fn.Name != "" {
funcName := simplifyFunc(fn.Name)
if dropRx.MatchString(funcName) {
if keepRx == nil || !keepRx.MatchString(funcName) {
break
}
if pruneFromHere(fn.Name) {
break
}
}
}