reva-bump-2.42.2

This commit is contained in:
Viktor Scharf
2026-02-05 10:51:11 +01:00
committed by Ralf Haferkamp
parent f21207ed96
commit 2bf70a6f70
102 changed files with 20909 additions and 1542 deletions

View File

@@ -17,6 +17,7 @@ package profile
import (
"encoding/binary"
"fmt"
"slices"
"sort"
"strconv"
"strings"
@@ -78,12 +79,10 @@ func Merge(srcs []*Profile) (*Profile, error) {
}
}
for _, s := range p.Sample {
if isZeroSample(s) {
// If there are any zero samples, re-merge the profile to GC
// them.
return Merge([]*Profile{p})
}
if slices.ContainsFunc(p.Sample, isZeroSample) {
// If there are any zero samples, re-merge the profile to GC
// them.
return Merge([]*Profile{p})
}
return p, nil

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@@ -24,6 +24,7 @@ import (
"math"
"path/filepath"
"regexp"
"slices"
"sort"
"strings"
"sync"
@@ -277,7 +278,7 @@ func (p *Profile) massageMappings() {
// Use heuristics to identify main binary and move it to the top of the list of mappings
for i, m := range p.Mapping {
file := strings.TrimSpace(strings.Replace(m.File, "(deleted)", "", -1))
file := strings.TrimSpace(strings.ReplaceAll(m.File, "(deleted)", ""))
if len(file) == 0 {
continue
}
@@ -734,12 +735,7 @@ func (p *Profile) RemoveLabel(key string) {
// HasLabel returns true if a sample has a label with indicated key and value.
func (s *Sample) HasLabel(key, value string) bool {
for _, v := range s.Label[key] {
if v == value {
return true
}
}
return false
return slices.Contains(s.Label[key], value)
}
// SetNumLabel sets the specified key to the specified value for all samples in the
@@ -852,7 +848,17 @@ func (p *Profile) HasFileLines() bool {
// "[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/") || m.File == "//anon"
switch {
case strings.HasPrefix(name, "["):
case strings.HasPrefix(name, "linux-vdso"):
case strings.HasPrefix(m.File, "/dev/dri/"):
case m.File == "//anon":
case m.File == "":
case strings.HasPrefix(m.File, "/memfd:"):
default:
return false
}
return true
}
// Copy makes a fully independent copy of a profile.

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@@ -36,6 +36,7 @@ package profile
import (
"errors"
"fmt"
"slices"
)
type buffer struct {
@@ -187,6 +188,16 @@ func le32(p []byte) uint32 {
return uint32(p[0]) | uint32(p[1])<<8 | uint32(p[2])<<16 | uint32(p[3])<<24
}
func peekNumVarints(data []byte) (numVarints int) {
for ; len(data) > 0; numVarints++ {
var err error
if _, data, err = decodeVarint(data); err != nil {
break
}
}
return numVarints
}
func decodeVarint(data []byte) (uint64, []byte, error) {
var u uint64
for i := 0; ; i++ {
@@ -286,6 +297,9 @@ func decodeInt64(b *buffer, x *int64) error {
func decodeInt64s(b *buffer, x *[]int64) error {
if b.typ == 2 {
// Packed encoding
dataLen := peekNumVarints(b.data)
*x = slices.Grow(*x, dataLen)
data := b.data
for len(data) > 0 {
var u uint64
@@ -316,8 +330,11 @@ func decodeUint64(b *buffer, x *uint64) error {
func decodeUint64s(b *buffer, x *[]uint64) error {
if b.typ == 2 {
data := b.data
// Packed encoding
dataLen := peekNumVarints(b.data)
*x = slices.Grow(*x, dataLen)
data := b.data
for len(data) > 0 {
var u uint64
var err error

View File

@@ -19,6 +19,7 @@ package profile
import (
"fmt"
"regexp"
"slices"
"strings"
)
@@ -40,13 +41,7 @@ func simplifyFunc(f string) string {
// Account for unsimplified names -- try to remove the argument list by trimming
// starting from the first '(', but skipping reserved names that have '('.
for _, ind := range bracketRx.FindAllStringSubmatchIndex(funcName, -1) {
foundReserved := false
for _, res := range reservedNames {
if funcName[ind[0]:ind[1]] == res {
foundReserved = true
break
}
}
foundReserved := slices.Contains(reservedNames, funcName[ind[0]:ind[1]])
if !foundReserved {
funcName = funcName[:ind[0]]
break