rebase: bump github.com/prometheus/client_golang from 1.14.0 to 1.15.1

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.14.0 to 1.15.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.14.0...v1.15.1)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/onsi/ginkgo/v2 v2.9.2
 	github.com/onsi/gomega v1.27.6
 	github.com/pkg/xattr v0.4.9
-	github.com/prometheus/client_golang v1.14.0
+	github.com/prometheus/client_golang v1.15.1
 	github.com/stretchr/testify v1.8.2
 	golang.org/x/crypto v0.8.0
 	golang.org/x/net v0.9.0
@@ -103,7 +103,7 @@ require (
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.16 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.2 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
@@ -119,8 +119,8 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/prometheus/procfs v0.9.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
 	github.com/spf13/cobra v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
@@ -136,7 +136,7 @@ require (
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
-	golang.org/x/oauth2 v0.4.0 // indirect
+	golang.org/x/oauth2 v0.5.0 // indirect
 	golang.org/x/term v0.7.0 // indirect
 	golang.org/x/text v0.9.0 // indirect
 	golang.org/x/time v0.3.0 // indirect

go.sum

@@ -759,7 +759,7 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
-github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -805,8 +805,9 @@ github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-shellwords v1.0.5/go.mod h1:3xCvwCdWdlDJUrvuMn7Wuy9eWs4pE8vqg+NOMyg4B2o=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/matttproud/golang_protobuf_extensions v1.0.2 h1:hAHbPm5IJGijwng3PWk09JkG9WeqChjprR5s9bBZ+OM=
 github.com/matttproud/golang_protobuf_extensions v1.0.2/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
+github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
+github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
 github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d h1:5PJl274Y63IEHC+7izoQE9x6ikvDFZS2mDVS3drnohI=
 github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/mholt/archiver v3.1.1+incompatible/go.mod h1:Dh2dOXnSdiLxRiPoVfIr/fI1TwETms9B8CTWfeh7ROU=
@@ -952,8 +953,9 @@ github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP
 github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
 github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
 github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
-github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
 github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
+github.com/prometheus/client_golang v1.15.1 h1:8tXpTmJbyH5lydzFPoxSIJ0J46jdh3tylbvM1xCv0LI=
+github.com/prometheus/client_golang v1.15.1/go.mod h1:e9yaBhRPU2pPNsZwE+JdQl0KEt1N9XgF6zxWmaC0xOk=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
@@ -971,8 +973,9 @@ github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8b
 github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
 github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
 github.com/prometheus/common v0.32.1/go.mod h1:vu+V0TpY+O6vW9J44gczi3Ap/oXXR10b+M/gUGO4Hls=
-github.com/prometheus/common v0.37.0 h1:ccBbHCgIiT9uSoFY0vX8H3zsNR5eLt17/RQLUvn8pXE=
 github.com/prometheus/common v0.37.0/go.mod h1:phzohg0JFMnBEFGxTDbfu3QyL5GI8gTQJFhYO5B3mfA=
+github.com/prometheus/common v0.42.0 h1:EKsfXEYo4JpWMHH5cg+KOUWeuJSov1Id8zGR8eeI1YM=
+github.com/prometheus/common v0.42.0/go.mod h1:xBwqVerjNdUDjgODMpudtOMwlOwf2SaTr1yjz4b7Zbc=
 github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
@@ -983,8 +986,9 @@ github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+Gx
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
 github.com/prometheus/procfs v0.7.3/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
-github.com/prometheus/procfs v0.8.0 h1:ODq8ZFEaYeCaZOJlZZdJA2AbQR98dSHSM1KW/You5mo=
 github.com/prometheus/procfs v0.8.0/go.mod h1:z7EfXMXOkbkqb9IINtpCn86r/to3BnA0uaxHdg830/4=
+github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI=
+github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rboyer/safeio v0.2.1 h1:05xhhdRNAdS3apYm7JRjOqngf4xruaW959jmRxGDuSU=
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
@@ -1301,8 +1305,8 @@ golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b/go.mod h1:DAh4E804XQdzx2j+YRIaUnCqCV2RuMz24cGBJ5QYIrc=
-golang.org/x/oauth2 v0.4.0 h1:NF0gk8LVPg1Ml7SSbGyySuoxdsXitj7TvgvuRxIMc/M=
+golang.org/x/oauth2 v0.5.0 h1:HuArIo48skDwlrvM3sEdHXElYslAMsf3KwRkkW4MC4s=
-golang.org/x/oauth2 v0.4.0/go.mod h1:RznEsdpjGAINPTOF0UH/t+xJ75L18YO3Ho6Pyn+uRec=
+golang.org/x/oauth2 v0.5.0/go.mod h1:9/XBHVqLaWO3/BRHs5jbpYCnOZVjj5V0ndyaAM7KB4I=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=

vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go

@@ -28,6 +28,8 @@ var (
 	MetricsAll = GoRuntimeMetricsRule{regexp.MustCompile("/.*")}
 	// MetricsGC allows only GC metrics to be collected from Go runtime.
 	// e.g. go_gc_cycles_automatic_gc_cycles_total
+	// NOTE: This does not include new class of "/cpu/classes/gc/..." metrics.
+	// Use custom metric rule to access those.
 	MetricsGC = GoRuntimeMetricsRule{regexp.MustCompile(`^/gc/.*`)}
 	// MetricsMemory allows only memory metrics to be collected from Go runtime.
 	// e.g. go_memory_classes_heap_free_bytes

vendor/github.com/prometheus/client_golang/prometheus/counter.go

@@ -59,6 +59,18 @@ type ExemplarAdder interface {
 // CounterOpts is an alias for Opts. See there for doc comments.
 type CounterOpts Opts
 
+// CounterVecOpts bundles the options to create a CounterVec metric.
+// It is mandatory to set CounterOpts, see there for mandatory fields. VariableLabels
+// is optional and can safely be left to its default value.
+type CounterVecOpts struct {
+	CounterOpts
+
+	// VariableLabels are used to partition the metric vector by the given set
+	// of labels. Each label value will be constrained with the optional Contraint
+	// function, if provided.
+	VariableLabels ConstrainableLabels
+}
+
 // NewCounter creates a new Counter based on the provided CounterOpts.
 //
 // The returned implementation also implements ExemplarAdder. It is safe to
@@ -174,16 +186,24 @@ type CounterVec struct {
 // NewCounterVec creates a new CounterVec based on the provided CounterOpts and
 // partitioned by the given label names.
 func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
-	desc := NewDesc(
+	return V2.NewCounterVec(CounterVecOpts{
+		CounterOpts:    opts,
+		VariableLabels: UnconstrainedLabels(labelNames),
+	})
+}
+
+// NewCounterVec creates a new CounterVec based on the provided CounterVecOpts.
+func (v2) NewCounterVec(opts CounterVecOpts) *CounterVec {
+	desc := V2.NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
-		labelNames,
+		opts.VariableLabels,
 		opts.ConstLabels,
 	)
 	return &CounterVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
 			if len(lvs) != len(desc.variableLabels) {
-				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
+				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
 			}
 			result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: time.Now}
 			result.init(result) // Init self-collection.

vendor/github.com/prometheus/client_golang/prometheus/desc.go

@@ -14,20 +14,16 @@
 package prometheus
 
 import (
-	"errors"
 	"fmt"
 	"sort"
 	"strings"
 
-	"github.com/cespare/xxhash/v2"
-
 	"github.com/prometheus/client_golang/prometheus/internal"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
+	"github.com/cespare/xxhash/v2"
-	"github.com/golang/protobuf/proto"
-	"github.com/prometheus/common/model"
-
 	dto "github.com/prometheus/client_model/go"
+	"github.com/prometheus/common/model"
+	"google.golang.org/protobuf/proto"
 )
 
 // Desc is the descriptor used by every Prometheus Metric. It is essentially
@@ -54,9 +50,9 @@ type Desc struct {
 	// constLabelPairs contains precalculated DTO label pairs based on
 	// the constant labels.
 	constLabelPairs []*dto.LabelPair
-	// variableLabels contains names of labels for which the metric
+	// variableLabels contains names of labels and normalization function for
-	// maintains variable values.
+	// which the metric maintains variable values.
-	variableLabels []string
+	variableLabels ConstrainedLabels
 	// id is a hash of the values of the ConstLabels and fqName. This
 	// must be unique among all registered descriptors and can therefore be
 	// used as an identifier of the descriptor.
@@ -80,10 +76,24 @@ type Desc struct {
 // For constLabels, the label values are constant. Therefore, they are fully
 // specified in the Desc. See the Collector example for a usage pattern.
 func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *Desc {
+	return V2.NewDesc(fqName, help, UnconstrainedLabels(variableLabels), constLabels)
+}
+
+// NewDesc allocates and initializes a new Desc. Errors are recorded in the Desc
+// and will be reported on registration time. variableLabels and constLabels can
+// be nil if no such labels should be set. fqName must not be empty.
+//
+// variableLabels only contain the label names and normalization functions. Their
+// label values are variable and therefore not part of the Desc. (They are managed
+// within the Metric.)
+//
+// For constLabels, the label values are constant. Therefore, they are fully
+// specified in the Desc. See the Collector example for a usage pattern.
+func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, constLabels Labels) *Desc {
 	d := &Desc{
 		fqName:         fqName,
 		help:           help,
-		variableLabels: variableLabels,
+		variableLabels: variableLabels.constrainedLabels(),
 	}
 	if !model.IsValidMetricName(model.LabelValue(fqName)) {
 		d.err = fmt.Errorf("%q is not a valid metric name", fqName)
@@ -93,7 +103,7 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
 	// their sorted label names) plus the fqName (at position 0).
 	labelValues := make([]string, 1, len(constLabels)+1)
 	labelValues[0] = fqName
-	labelNames := make([]string, 0, len(constLabels)+len(variableLabels))
+	labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels))
 	labelNameSet := map[string]struct{}{}
 	// First add only the const label names and sort them...
 	for labelName := range constLabels {
@@ -118,16 +128,16 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
 	// Now add the variable label names, but prefix them with something that
 	// cannot be in a regular label name. That prevents matching the label
 	// dimension with a different mix between preset and variable labels.
-	for _, labelName := range variableLabels {
+	for _, label := range d.variableLabels {
-		if !checkLabelName(labelName) {
+		if !checkLabelName(label.Name) {
-			d.err = fmt.Errorf("%q is not a valid label name for metric %q", labelName, fqName)
+			d.err = fmt.Errorf("%q is not a valid label name for metric %q", label.Name, fqName)
 			return d
 		}
-		labelNames = append(labelNames, "$"+labelName)
+		labelNames = append(labelNames, "$"+label.Name)
-		labelNameSet[labelName] = struct{}{}
+		labelNameSet[label.Name] = struct{}{}
 	}
 	if len(labelNames) != len(labelNameSet) {
-		d.err = errors.New("duplicate label names")
+		d.err = fmt.Errorf("duplicate label names in constant and variable labels for metric %q", fqName)
 		return d
 	}
 

vendor/github.com/prometheus/client_golang/prometheus/gauge.go

@@ -55,6 +55,18 @@ type Gauge interface {
 // GaugeOpts is an alias for Opts. See there for doc comments.
 type GaugeOpts Opts
 
+// GaugeVecOpts bundles the options to create a GaugeVec metric.
+// It is mandatory to set GaugeOpts, see there for mandatory fields. VariableLabels
+// is optional and can safely be left to its default value.
+type GaugeVecOpts struct {
+	GaugeOpts
+
+	// VariableLabels are used to partition the metric vector by the given set
+	// of labels. Each label value will be constrained with the optional Contraint
+	// function, if provided.
+	VariableLabels ConstrainableLabels
+}
+
 // NewGauge creates a new Gauge based on the provided GaugeOpts.
 //
 // The returned implementation is optimized for a fast Set method. If you have a
@@ -138,16 +150,24 @@ type GaugeVec struct {
 // NewGaugeVec creates a new GaugeVec based on the provided GaugeOpts and
 // partitioned by the given label names.
 func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec {
-	desc := NewDesc(
+	return V2.NewGaugeVec(GaugeVecOpts{
+		GaugeOpts:      opts,
+		VariableLabels: UnconstrainedLabels(labelNames),
+	})
+}
+
+// NewGaugeVec creates a new GaugeVec based on the provided GaugeVecOpts.
+func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
+	desc := V2.NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
-		labelNames,
+		opts.VariableLabels,
 		opts.ConstLabels,
 	)
 	return &GaugeVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
 			if len(lvs) != len(desc.variableLabels) {
-				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
+				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
 			}
 			result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
 			result.init(result) // Init self-collection.

vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go

@@ -23,11 +23,10 @@ import (
 	"strings"
 	"sync"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-	dto "github.com/prometheus/client_model/go"
-
 	"github.com/prometheus/client_golang/prometheus/internal"
+
+	dto "github.com/prometheus/client_model/go"
+	"google.golang.org/protobuf/proto"
 )
 
 const (

vendor/github.com/prometheus/client_golang/prometheus/histogram.go

@@ -22,10 +22,9 @@ import (
 	"sync/atomic"
 	"time"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-
 	dto "github.com/prometheus/client_model/go"
+
+	"google.golang.org/protobuf/proto"
 )
 
 // nativeHistogramBounds for the frac of observed values. Only relevant for
@@ -469,6 +468,18 @@ type HistogramOpts struct {
 	NativeHistogramMaxZeroThreshold float64
 }
 
+// HistogramVecOpts bundles the options to create a HistogramVec metric.
+// It is mandatory to set HistogramOpts, see there for mandatory fields. VariableLabels
+// is optional and can safely be left to its default value.
+type HistogramVecOpts struct {
+	HistogramOpts
+
+	// VariableLabels are used to partition the metric vector by the given set
+	// of labels. Each label value will be constrained with the optional Contraint
+	// function, if provided.
+	VariableLabels ConstrainableLabels
+}
+
 // NewHistogram creates a new Histogram based on the provided HistogramOpts. It
 // panics if the buckets in HistogramOpts are not in strictly increasing order.
 //
@@ -489,11 +500,11 @@ func NewHistogram(opts HistogramOpts) Histogram {
 
 func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogram {
 	if len(desc.variableLabels) != len(labelValues) {
-		panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues))
+		panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), labelValues))
 	}
 
 	for _, n := range desc.variableLabels {
-		if n == bucketLabel {
+		if n.Name == bucketLabel {
 			panic(errBucketLabelNotAllowed)
 		}
 	}
@@ -544,16 +555,12 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
 	}
 	// Finally we know the final length of h.upperBounds and can make buckets
 	// for both counts as well as exemplars:
-	h.counts[0] = &histogramCounts{
+	h.counts[0] = &histogramCounts{buckets: make([]uint64, len(h.upperBounds))}
-		buckets:                          make([]uint64, len(h.upperBounds)),
+	atomic.StoreUint64(&h.counts[0].nativeHistogramZeroThresholdBits, math.Float64bits(h.nativeHistogramZeroThreshold))
-		nativeHistogramZeroThresholdBits: math.Float64bits(h.nativeHistogramZeroThreshold),
+	atomic.StoreInt32(&h.counts[0].nativeHistogramSchema, h.nativeHistogramSchema)
-		nativeHistogramSchema:            h.nativeHistogramSchema,
+	h.counts[1] = &histogramCounts{buckets: make([]uint64, len(h.upperBounds))}
-	}
+	atomic.StoreUint64(&h.counts[1].nativeHistogramZeroThresholdBits, math.Float64bits(h.nativeHistogramZeroThreshold))
-	h.counts[1] = &histogramCounts{
+	atomic.StoreInt32(&h.counts[1].nativeHistogramSchema, h.nativeHistogramSchema)
-		buckets:                          make([]uint64, len(h.upperBounds)),
-		nativeHistogramZeroThresholdBits: math.Float64bits(h.nativeHistogramZeroThreshold),
-		nativeHistogramSchema:            h.nativeHistogramSchema,
-	}
 	h.exemplars = make([]atomic.Value, len(h.upperBounds)+1)
 
 	h.init(h) // Init self-collection.
@@ -1034,15 +1041,23 @@ type HistogramVec struct {
 // NewHistogramVec creates a new HistogramVec based on the provided HistogramOpts and
 // partitioned by the given label names.
 func NewHistogramVec(opts HistogramOpts, labelNames []string) *HistogramVec {
-	desc := NewDesc(
+	return V2.NewHistogramVec(HistogramVecOpts{
+		HistogramOpts:  opts,
+		VariableLabels: UnconstrainedLabels(labelNames),
+	})
+}
+
+// NewHistogramVec creates a new HistogramVec based on the provided HistogramVecOpts.
+func (v2) NewHistogramVec(opts HistogramVecOpts) *HistogramVec {
+	desc := V2.NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
-		labelNames,
+		opts.VariableLabels,
 		opts.ConstLabels,
 	)
 	return &HistogramVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
-			return newHistogram(desc, opts, lvs...)
+			return newHistogram(desc, opts.HistogramOpts, lvs...)
 		}),
 	}
 }

vendor/github.com/prometheus/client_golang/prometheus/labels.go

@@ -32,6 +32,78 @@ import (
 // create a Desc.
 type Labels map[string]string
 
+// ConstrainedLabels represents a label name and its constrain function
+// to normalize label values. This type is commonly used when constructing
+// metric vector Collectors.
+type ConstrainedLabel struct {
+	Name       string
+	Constraint func(string) string
+}
+
+func (cl ConstrainedLabel) Constrain(v string) string {
+	if cl.Constraint == nil {
+		return v
+	}
+	return cl.Constraint(v)
+}
+
+// ConstrainableLabels is an interface that allows creating of labels that can
+// be optionally constrained.
+//
+//	prometheus.V2().NewCounterVec(CounterVecOpts{
+//	  CounterOpts: {...}, // Usual CounterOpts fields
+//	  VariableLabels: []ConstrainedLabels{
+//	    {Name: "A"},
+//	    {Name: "B", Constraint: func(v string) string { ... }},
+//	  },
+//	})
+type ConstrainableLabels interface {
+	constrainedLabels() ConstrainedLabels
+	labelNames() []string
+}
+
+// ConstrainedLabels represents a collection of label name -> constrain function
+// to normalize label values. This type is commonly used when constructing
+// metric vector Collectors.
+type ConstrainedLabels []ConstrainedLabel
+
+func (cls ConstrainedLabels) constrainedLabels() ConstrainedLabels {
+	return cls
+}
+
+func (cls ConstrainedLabels) labelNames() []string {
+	names := make([]string, len(cls))
+	for i, label := range cls {
+		names[i] = label.Name
+	}
+	return names
+}
+
+// UnconstrainedLabels represents collection of label without any constraint on
+// their value. Thus, it is simply a collection of label names.
+//
+//	UnconstrainedLabels([]string{ "A", "B" })
+//
+// is equivalent to
+//
+//	ConstrainedLabels {
+//	  { Name: "A" },
+//	  { Name: "B" },
+//	}
+type UnconstrainedLabels []string
+
+func (uls UnconstrainedLabels) constrainedLabels() ConstrainedLabels {
+	constrainedLabels := make([]ConstrainedLabel, len(uls))
+	for i, l := range uls {
+		constrainedLabels[i] = ConstrainedLabel{Name: l}
+	}
+	return constrainedLabels
+}
+
+func (uls UnconstrainedLabels) labelNames() []string {
+	return uls
+}
+
 // reservedLabelPrefix is a prefix which is not legal in user-supplied
 // label names.
 const reservedLabelPrefix = "__"

vendor/github.com/prometheus/client_golang/prometheus/metric.go

@@ -20,11 +20,9 @@ import (
 	"strings"
 	"time"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-	"github.com/prometheus/common/model"
-
 	dto "github.com/prometheus/client_model/go"
+	"github.com/prometheus/common/model"
+	"google.golang.org/protobuf/proto"
 )
 
 var separatorByteSlice = []byte{model.SeparatorByte} // For convenient use with xxhash.

vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go

@@ -68,16 +68,17 @@ func InstrumentRoundTripperCounter(counter *prometheus.CounterVec, next http.Rou
 		o.apply(rtOpts)
 	}
 
-	code, method := checkLabels(counter)
+	// Curry the counter with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(counter.MustCurryWith(rtOpts.emptyDynamicLabels()))
 
 	return func(r *http.Request) (*http.Response, error) {
 		resp, err := next.RoundTrip(r)
 		if err == nil {
-			addWithExemplar(
+			l := labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)
-				counter.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)),
+			for label, resolve := range rtOpts.extraLabelsFromCtx {
-				1,
+				l[label] = resolve(resp.Request.Context())
-				rtOpts.getExemplarFn(r.Context()),
+			}
-			)
+			addWithExemplar(counter.With(l), 1, rtOpts.getExemplarFn(r.Context()))
 		}
 		return resp, err
 	}
@@ -110,17 +111,18 @@ func InstrumentRoundTripperDuration(obs prometheus.ObserverVec, next http.RoundT
 		o.apply(rtOpts)
 	}
 
-	code, method := checkLabels(obs)
+	// Curry the observer with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(obs.MustCurryWith(rtOpts.emptyDynamicLabels()))
 
 	return func(r *http.Request) (*http.Response, error) {
 		start := time.Now()
 		resp, err := next.RoundTrip(r)
 		if err == nil {
-			observeWithExemplar(
+			l := labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)
-				obs.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)),
+			for label, resolve := range rtOpts.extraLabelsFromCtx {
-				time.Since(start).Seconds(),
+				l[label] = resolve(resp.Request.Context())
-				rtOpts.getExemplarFn(r.Context()),
+			}
-			)
+			observeWithExemplar(obs.With(l), time.Since(start).Seconds(), rtOpts.getExemplarFn(r.Context()))
 		}
 		return resp, err
 	}

vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go

@@ -87,7 +87,8 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler, op
 		o.apply(hOpts)
 	}
 
-	code, method := checkLabels(obs)
+	// Curry the observer with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
 
 	if code {
 		return func(w http.ResponseWriter, r *http.Request) {
@@ -95,23 +96,22 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler, op
 			d := newDelegator(w, nil)
 			next.ServeHTTP(d, r)
 
-			observeWithExemplar(
+			l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
-				obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
+			for label, resolve := range hOpts.extraLabelsFromCtx {
-				time.Since(now).Seconds(),
+				l[label] = resolve(r.Context())
-				hOpts.getExemplarFn(r.Context()),
+			}
-			)
+			observeWithExemplar(obs.With(l), time.Since(now).Seconds(), hOpts.getExemplarFn(r.Context()))
 		}
 	}
 
 	return func(w http.ResponseWriter, r *http.Request) {
 		now := time.Now()
 		next.ServeHTTP(w, r)
-
+		l := labels(code, method, r.Method, 0, hOpts.extraMethods...)
-		observeWithExemplar(
+		for label, resolve := range hOpts.extraLabelsFromCtx {
-			obs.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
+			l[label] = resolve(r.Context())
-			time.Since(now).Seconds(),
+		}
-			hOpts.getExemplarFn(r.Context()),
+		observeWithExemplar(obs.With(l), time.Since(now).Seconds(), hOpts.getExemplarFn(r.Context()))
-		)
 	}
 }
 
@@ -138,28 +138,30 @@ func InstrumentHandlerCounter(counter *prometheus.CounterVec, next http.Handler,
 		o.apply(hOpts)
 	}
 
-	code, method := checkLabels(counter)
+	// Curry the counter with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(counter.MustCurryWith(hOpts.emptyDynamicLabels()))
 
 	if code {
 		return func(w http.ResponseWriter, r *http.Request) {
 			d := newDelegator(w, nil)
 			next.ServeHTTP(d, r)
 
-			addWithExemplar(
+			l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
-				counter.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
+			for label, resolve := range hOpts.extraLabelsFromCtx {
-				1,
+				l[label] = resolve(r.Context())
-				hOpts.getExemplarFn(r.Context()),
+			}
-			)
+			addWithExemplar(counter.With(l), 1, hOpts.getExemplarFn(r.Context()))
 		}
 	}
 
 	return func(w http.ResponseWriter, r *http.Request) {
 		next.ServeHTTP(w, r)
-		addWithExemplar(
+
-			counter.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
+		l := labels(code, method, r.Method, 0, hOpts.extraMethods...)
-			1,
+		for label, resolve := range hOpts.extraLabelsFromCtx {
-			hOpts.getExemplarFn(r.Context()),
+			l[label] = resolve(r.Context())
-		)
+		}
+		addWithExemplar(counter.With(l), 1, hOpts.getExemplarFn(r.Context()))
 	}
 }
 
@@ -191,16 +193,17 @@ func InstrumentHandlerTimeToWriteHeader(obs prometheus.ObserverVec, next http.Ha
 		o.apply(hOpts)
 	}
 
-	code, method := checkLabels(obs)
+	// Curry the observer with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
 
 	return func(w http.ResponseWriter, r *http.Request) {
 		now := time.Now()
 		d := newDelegator(w, func(status int) {
-			observeWithExemplar(
+			l := labels(code, method, r.Method, status, hOpts.extraMethods...)
-				obs.With(labels(code, method, r.Method, status, hOpts.extraMethods...)),
+			for label, resolve := range hOpts.extraLabelsFromCtx {
-				time.Since(now).Seconds(),
+				l[label] = resolve(r.Context())
-				hOpts.getExemplarFn(r.Context()),
+			}
-			)
+			observeWithExemplar(obs.With(l), time.Since(now).Seconds(), hOpts.getExemplarFn(r.Context()))
 		})
 		next.ServeHTTP(d, r)
 	}
@@ -231,28 +234,32 @@ func InstrumentHandlerRequestSize(obs prometheus.ObserverVec, next http.Handler,
 		o.apply(hOpts)
 	}
 
-	code, method := checkLabels(obs)
+	// Curry the observer with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
+
 	if code {
 		return func(w http.ResponseWriter, r *http.Request) {
 			d := newDelegator(w, nil)
 			next.ServeHTTP(d, r)
 			size := computeApproximateRequestSize(r)
-			observeWithExemplar(
+
-				obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
+			l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
-				float64(size),
+			for label, resolve := range hOpts.extraLabelsFromCtx {
-				hOpts.getExemplarFn(r.Context()),
+				l[label] = resolve(r.Context())
-			)
+			}
+			observeWithExemplar(obs.With(l), float64(size), hOpts.getExemplarFn(r.Context()))
 		}
 	}
 
 	return func(w http.ResponseWriter, r *http.Request) {
 		next.ServeHTTP(w, r)
 		size := computeApproximateRequestSize(r)
-		observeWithExemplar(
+
-			obs.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
+		l := labels(code, method, r.Method, 0, hOpts.extraMethods...)
-			float64(size),
+		for label, resolve := range hOpts.extraLabelsFromCtx {
-			hOpts.getExemplarFn(r.Context()),
+			l[label] = resolve(r.Context())
-		)
+		}
+		observeWithExemplar(obs.With(l), float64(size), hOpts.getExemplarFn(r.Context()))
 	}
 }
 
@@ -281,16 +288,18 @@ func InstrumentHandlerResponseSize(obs prometheus.ObserverVec, next http.Handler
 		o.apply(hOpts)
 	}
 
-	code, method := checkLabels(obs)
+	// Curry the observer with dynamic labels before checking the remaining labels.
+	code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
 
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		d := newDelegator(w, nil)
 		next.ServeHTTP(d, r)
-		observeWithExemplar(
+
-			obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
+		l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
-			float64(d.Written()),
+		for label, resolve := range hOpts.extraLabelsFromCtx {
-			hOpts.getExemplarFn(r.Context()),
+			l[label] = resolve(r.Context())
-		)
+		}
+		observeWithExemplar(obs.With(l), float64(d.Written()), hOpts.getExemplarFn(r.Context()))
 	})
 }
 

vendor/github.com/prometheus/client_golang/prometheus/promhttp/option.go

@@ -24,14 +24,32 @@ type Option interface {
 	apply(*options)
 }
 
+// LabelValueFromCtx are used to compute the label value from request context.
+// Context can be filled with values from request through middleware.
+type LabelValueFromCtx func(ctx context.Context) string
+
 // options store options for both a handler or round tripper.
 type options struct {
 	extraMethods       []string
 	getExemplarFn      func(requestCtx context.Context) prometheus.Labels
+	extraLabelsFromCtx map[string]LabelValueFromCtx
 }
 
 func defaultOptions() *options {
-	return &options{getExemplarFn: func(ctx context.Context) prometheus.Labels { return nil }}
+	return &options{
+		getExemplarFn:      func(ctx context.Context) prometheus.Labels { return nil },
+		extraLabelsFromCtx: map[string]LabelValueFromCtx{},
+	}
+}
+
+func (o *options) emptyDynamicLabels() prometheus.Labels {
+	labels := prometheus.Labels{}
+
+	for label := range o.extraLabelsFromCtx {
+		labels[label] = ""
+	}
+
+	return labels
 }
 
 type optionApplyFunc func(*options)
@@ -48,11 +66,19 @@ func WithExtraMethods(methods ...string) Option {
 	})
 }
 
-// WithExemplarFromContext adds allows to put a hook to all counter and histogram metrics.
+// WithExemplarFromContext allows to inject function that will get exemplar from context that will be put to counter and histogram metrics.
-// If the hook function returns non-nil labels, exemplars will be added for that request, otherwise metric
+// If the function returns nil labels or the metric does not support exemplars, no exemplar will be added (noop), but
-// will get instrumented without exemplar.
+// metric will continue to observe/increment.
 func WithExemplarFromContext(getExemplarFn func(requestCtx context.Context) prometheus.Labels) Option {
 	return optionApplyFunc(func(o *options) {
 		o.getExemplarFn = getExemplarFn
 	})
 }
+
+// WithLabelFromCtx registers a label for dynamic resolution with access to context.
+// See the example for ExampleInstrumentHandlerWithLabelResolver for example usage
+func WithLabelFromCtx(name string, valueFn LabelValueFromCtx) Option {
+	return optionApplyFunc(func(o *options) {
+		o.extraLabelsFromCtx[name] = valueFn
+	})
+}

vendor/github.com/prometheus/client_golang/prometheus/registry.go

@@ -21,18 +21,17 @@ import (
 	"path/filepath"
 	"runtime"
 	"sort"
+	"strconv"
 	"strings"
 	"sync"
 	"unicode/utf8"
 
-	"github.com/cespare/xxhash/v2"
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-	"github.com/prometheus/common/expfmt"
-
-	dto "github.com/prometheus/client_model/go"
-
 	"github.com/prometheus/client_golang/prometheus/internal"
+
+	"github.com/cespare/xxhash/v2"
+	dto "github.com/prometheus/client_model/go"
+	"github.com/prometheus/common/expfmt"
+	"google.golang.org/protobuf/proto"
 )
 
 const (
@@ -933,6 +932,10 @@ func checkMetricConsistency(
 		h.WriteString(lp.GetValue())
 		h.Write(separatorByteSlice)
 	}
+	if dtoMetric.TimestampMs != nil {
+		h.WriteString(strconv.FormatInt(*(dtoMetric.TimestampMs), 10))
+		h.Write(separatorByteSlice)
+	}
 	hSum := h.Sum64()
 	if _, exists := metricHashes[hSum]; exists {
 		return fmt.Errorf(
@@ -962,7 +965,7 @@ func checkDescConsistency(
 	copy(lpsFromDesc, desc.constLabelPairs)
 	for _, l := range desc.variableLabels {
 		lpsFromDesc = append(lpsFromDesc, &dto.LabelPair{
-			Name: proto.String(l),
+			Name: proto.String(l.Name),
 		})
 	}
 	if len(lpsFromDesc) != len(dtoMetric.Label) {

vendor/github.com/prometheus/client_golang/prometheus/summary.go

@@ -22,11 +22,10 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/beorn7/perks/quantile"
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-
 	dto "github.com/prometheus/client_model/go"
+
+	"github.com/beorn7/perks/quantile"
+	"google.golang.org/protobuf/proto"
 )
 
 // quantileLabel is used for the label that defines the quantile in a
@@ -148,6 +147,18 @@ type SummaryOpts struct {
 	BufCap uint32
 }
 
+// SummaryVecOpts bundles the options to create a SummaryVec metric.
+// It is mandatory to set SummaryOpts, see there for mandatory fields. VariableLabels
+// is optional and can safely be left to its default value.
+type SummaryVecOpts struct {
+	SummaryOpts
+
+	// VariableLabels are used to partition the metric vector by the given set
+	// of labels. Each label value will be constrained with the optional Contraint
+	// function, if provided.
+	VariableLabels ConstrainableLabels
+}
+
 // Problem with the sliding-window decay algorithm... The Merge method of
 // perk/quantile is actually not working as advertised - and it might be
 // unfixable, as the underlying algorithm is apparently not capable of merging
@@ -178,11 +189,11 @@ func NewSummary(opts SummaryOpts) Summary {
 
 func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
 	if len(desc.variableLabels) != len(labelValues) {
-		panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues))
+		panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), labelValues))
 	}
 
 	for _, n := range desc.variableLabels {
-		if n == quantileLabel {
+		if n.Name == quantileLabel {
 			panic(errQuantileLabelNotAllowed)
 		}
 	}
@@ -530,20 +541,28 @@ type SummaryVec struct {
 // it is handled by the Prometheus server internally, “quantile” is an illegal
 // label name. NewSummaryVec will panic if this label name is used.
 func NewSummaryVec(opts SummaryOpts, labelNames []string) *SummaryVec {
-	for _, ln := range labelNames {
+	return V2.NewSummaryVec(SummaryVecOpts{
+		SummaryOpts:    opts,
+		VariableLabels: UnconstrainedLabels(labelNames),
+	})
+}
+
+// NewSummaryVec creates a new SummaryVec based on the provided SummaryVecOpts.
+func (v2) NewSummaryVec(opts SummaryVecOpts) *SummaryVec {
+	for _, ln := range opts.VariableLabels.labelNames() {
 		if ln == quantileLabel {
 			panic(errQuantileLabelNotAllowed)
 		}
 	}
-	desc := NewDesc(
+	desc := V2.NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
-		labelNames,
+		opts.VariableLabels,
 		opts.ConstLabels,
 	)
 	return &SummaryVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
-			return newSummary(desc, opts, lvs...)
+			return newSummary(desc, opts.SummaryOpts, lvs...)
 		}),
 	}
 }

vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go

@@ -238,6 +238,7 @@ func convertReaderToMetricFamily(reader io.Reader) ([]*dto.MetricFamily, error)
 func compareMetricFamilies(got, expected []*dto.MetricFamily, metricNames ...string) error {
 	if metricNames != nil {
 		got = filterMetrics(got, metricNames)
+		expected = filterMetrics(expected, metricNames)
 	}
 
 	return compare(got, expected)

vendor/github.com/prometheus/client_golang/prometheus/timer.go

@@ -23,7 +23,9 @@ type Timer struct {
 }
 
 // NewTimer creates a new Timer. The provided Observer is used to observe a
-// duration in seconds. Timer is usually used to time a function call in the
+// duration in seconds. If the Observer implements ExemplarObserver, passing exemplar
+// later on will be also supported.
+// Timer is usually used to time a function call in the
 // following way:
 //
 //	func TimeMe() {
@@ -31,6 +33,14 @@ type Timer struct {
 //	    defer timer.ObserveDuration()
 //	    // Do actual work.
 //	}
+//
+// or
+//
+//	func TimeMeWithExemplar() {
+//		    timer := NewTimer(myHistogram)
+//		    defer timer.ObserveDurationWithExemplar(exemplar)
+//		    // Do actual work.
+//		}
 func NewTimer(o Observer) *Timer {
 	return &Timer{
 		begin:    time.Now(),
@@ -53,3 +63,19 @@ func (t *Timer) ObserveDuration() time.Duration {
 	}
 	return d
 }
+
+// ObserveDurationWithExemplar is like ObserveDuration, but it will also
+// observe exemplar with the duration unless exemplar is nil or provided Observer can't
+// be casted to ExemplarObserver.
+func (t *Timer) ObserveDurationWithExemplar(exemplar Labels) time.Duration {
+	d := time.Since(t.begin)
+	eo, ok := t.observer.(ExemplarObserver)
+	if ok && exemplar != nil {
+		eo.ObserveWithExemplar(d.Seconds(), exemplar)
+		return d
+	}
+	if t.observer != nil {
+		t.observer.Observe(d.Seconds())
+	}
+	return d
+}

vendor/github.com/prometheus/client_golang/prometheus/value.go

@@ -19,13 +19,11 @@ import (
 	"time"
 	"unicode/utf8"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
-	"github.com/golang/protobuf/proto"
-	"google.golang.org/protobuf/types/known/timestamppb"
-
 	"github.com/prometheus/client_golang/prometheus/internal"
 
 	dto "github.com/prometheus/client_model/go"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 // ValueType is an enumeration of metric types that represent a simple value.
@@ -188,9 +186,9 @@ func MakeLabelPairs(desc *Desc, labelValues []string) []*dto.LabelPair {
 		return desc.constLabelPairs
 	}
 	labelPairs := make([]*dto.LabelPair, 0, totalLen)
-	for i, n := range desc.variableLabels {
+	for i, l := range desc.variableLabels {
 		labelPairs = append(labelPairs, &dto.LabelPair{
-			Name:  proto.String(n),
+			Name:  proto.String(l.Name),
 			Value: proto.String(labelValues[i]),
 		})
 	}

vendor/github.com/prometheus/client_golang/prometheus/vec.go

@@ -72,6 +72,7 @@ func NewMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *MetricVec {
 // with a performance overhead (for creating and processing the Labels map).
 // See also the CounterVec example.
 func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
+	lvs = constrainLabelValues(m.desc, lvs, m.curry)
 	h, err := m.hashLabelValues(lvs)
 	if err != nil {
 		return false
@@ -91,6 +92,7 @@ func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
 // This method is used for the same purpose as DeleteLabelValues(...string). See
 // there for pros and cons of the two methods.
 func (m *MetricVec) Delete(labels Labels) bool {
+	labels = constrainLabels(m.desc, labels)
 	h, err := m.hashLabels(labels)
 	if err != nil {
 		return false
@@ -106,6 +108,7 @@ func (m *MetricVec) Delete(labels Labels) bool {
 // Note that curried labels will never be matched if deleting from the curried vector.
 // To match curried labels with DeletePartialMatch, it must be called on the base vector.
 func (m *MetricVec) DeletePartialMatch(labels Labels) int {
+	labels = constrainLabels(m.desc, labels)
 	return m.metricMap.deleteByLabels(labels, m.curry)
 }
 
@@ -145,10 +148,10 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
 		iCurry   int
 	)
 	for i, label := range m.desc.variableLabels {
-		val, ok := labels[label]
+		val, ok := labels[label.Name]
 		if iCurry < len(oldCurry) && oldCurry[iCurry].index == i {
 			if ok {
-				return nil, fmt.Errorf("label name %q is already curried", label)
+				return nil, fmt.Errorf("label name %q is already curried", label.Name)
 			}
 			newCurry = append(newCurry, oldCurry[iCurry])
 			iCurry++
@@ -156,7 +159,7 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
 			if !ok {
 				continue // Label stays uncurried.
 			}
-			newCurry = append(newCurry, curriedLabelValue{i, val})
+			newCurry = append(newCurry, curriedLabelValue{i, label.Constrain(val)})
 		}
 	}
 	if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 {
@@ -199,6 +202,7 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
 // a wrapper around MetricVec, implementing a vector for a specific Metric
 // implementation, for example GaugeVec.
 func (m *MetricVec) GetMetricWithLabelValues(lvs ...string) (Metric, error) {
+	lvs = constrainLabelValues(m.desc, lvs, m.curry)
 	h, err := m.hashLabelValues(lvs)
 	if err != nil {
 		return nil, err
@@ -224,6 +228,7 @@ func (m *MetricVec) GetMetricWithLabelValues(lvs ...string) (Metric, error) {
 // around MetricVec, implementing a vector for a specific Metric implementation,
 // for example GaugeVec.
 func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
+	labels = constrainLabels(m.desc, labels)
 	h, err := m.hashLabels(labels)
 	if err != nil {
 		return nil, err
@@ -266,16 +271,16 @@ func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
 		iCurry int
 	)
 	for i, label := range m.desc.variableLabels {
-		val, ok := labels[label]
+		val, ok := labels[label.Name]
 		if iCurry < len(curry) && curry[iCurry].index == i {
 			if ok {
-				return 0, fmt.Errorf("label name %q is already curried", label)
+				return 0, fmt.Errorf("label name %q is already curried", label.Name)
 			}
 			h = m.hashAdd(h, curry[iCurry].value)
 			iCurry++
 		} else {
 			if !ok {
-				return 0, fmt.Errorf("label name %q missing in label map", label)
+				return 0, fmt.Errorf("label name %q missing in label map", label.Name)
 			}
 			h = m.hashAdd(h, val)
 		}
@@ -453,7 +458,7 @@ func valueMatchesVariableOrCurriedValue(targetValue string, index int, values []
 func matchPartialLabels(desc *Desc, values []string, labels Labels, curry []curriedLabelValue) bool {
 	for l, v := range labels {
 		// Check if the target label exists in our metrics and get the index.
-		varLabelIndex, validLabel := indexOf(l, desc.variableLabels)
+		varLabelIndex, validLabel := indexOf(l, desc.variableLabels.labelNames())
 		if validLabel {
 			// Check the value of that label against the target value.
 			// We don't consider curried values in partial matches.
@@ -605,7 +610,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
 			iCurry++
 			continue
 		}
-		if values[i] != labels[k] {
+		if values[i] != labels[k.Name] {
 			return false
 		}
 	}
@@ -621,7 +626,7 @@ func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []
 			iCurry++
 			continue
 		}
-		labelValues[i] = labels[k]
+		labelValues[i] = labels[k.Name]
 	}
 	return labelValues
 }
@@ -640,3 +645,34 @@ func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string {
 	}
 	return labelValues
 }
+
+func constrainLabels(desc *Desc, labels Labels) Labels {
+	constrainedValues := make(Labels, len(labels))
+	for l, v := range labels {
+		if i, ok := indexOf(l, desc.variableLabels.labelNames()); ok {
+			constrainedValues[l] = desc.variableLabels[i].Constrain(v)
+			continue
+		}
+		constrainedValues[l] = v
+	}
+	return constrainedValues
+}
+
+func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) []string {
+	constrainedValues := make([]string, len(lvs))
+	var iCurry, iLVs int
+	for i := 0; i < len(lvs)+len(curry); i++ {
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			iCurry++
+			continue
+		}
+
+		if i < len(desc.variableLabels) {
+			constrainedValues[iLVs] = desc.variableLabels[i].Constrain(lvs[iLVs])
+		} else {
+			constrainedValues[iLVs] = lvs[iLVs]
+		}
+		iLVs++
+	}
+	return constrainedValues
+}

vendor/github.com/prometheus/client_golang/prometheus/vnext.go

@@ -0,0 +1,23 @@
+// Copyright 2022 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package prometheus
+
+type v2 struct{}
+
+// V2 is a struct that can be referenced to access experimental API that might
+// be present in v2 of client golang someday. It offers extended functionality
+// of v1 with slightly changed API. It is acceptable to use some pieces from v1
+// and e.g `prometheus.NewGauge` and some from v2 e.g. `prometheus.V2.NewDesc`
+// in the same codebase.
+var V2 = v2{}

vendor/github.com/prometheus/client_golang/prometheus/wrap.go

@@ -17,12 +17,10 @@ import (
 	"fmt"
 	"sort"
 
-	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
+	"github.com/prometheus/client_golang/prometheus/internal"
-	"github.com/golang/protobuf/proto"
 
 	dto "github.com/prometheus/client_model/go"
-
+	"google.golang.org/protobuf/proto"
-	"github.com/prometheus/client_golang/prometheus/internal"
 )
 
 // WrapRegistererWith returns a Registerer wrapping the provided
@@ -206,7 +204,7 @@ func wrapDesc(desc *Desc, prefix string, labels Labels) *Desc {
 		constLabels[ln] = lv
 	}
 	// NewDesc will do remaining validations.
-	newDesc := NewDesc(prefix+desc.fqName, desc.help, desc.variableLabels, constLabels)
+	newDesc := V2.NewDesc(prefix+desc.fqName, desc.help, desc.variableLabels, constLabels)
 	// Propagate errors if there was any. This will override any errer
 	// created by NewDesc above, i.e. earlier errors get precedence.
 	if desc.err != nil {

vendor/github.com/prometheus/common/expfmt/decode.go

@@ -115,33 +115,29 @@ func (d *protoDecoder) Decode(v *dto.MetricFamily) error {
 // textDecoder implements the Decoder interface for the text protocol.
 type textDecoder struct {
 	r    io.Reader
-	p    TextParser
+	fams map[string]*dto.MetricFamily
-	fams []*dto.MetricFamily
+	err  error
 }
 
 // Decode implements the Decoder interface.
 func (d *textDecoder) Decode(v *dto.MetricFamily) error {
-	// TODO(fabxc): Wrap this as a line reader to make streaming safer.
+	if d.err == nil {
-	if len(d.fams) == 0 {
+		// Read all metrics in one shot.
-		// No cached metric families, read everything and parse metrics.
+		var p TextParser
-		fams, err := d.p.TextToMetricFamilies(d.r)
+		d.fams, d.err = p.TextToMetricFamilies(d.r)
-		if err != nil {
+		// If we don't get an error, store io.EOF for the end.
-			return err
+		if d.err == nil {
-		}
+			d.err = io.EOF
-		if len(fams) == 0 {
-			return io.EOF
-		}
-		d.fams = make([]*dto.MetricFamily, 0, len(fams))
-		for _, f := range fams {
-			d.fams = append(d.fams, f)
 		}
 	}
-
+	// Pick off one MetricFamily per Decode until there's nothing left.
-	*v = *d.fams[0]
+	for key, fam := range d.fams {
-	d.fams = d.fams[1:]
+		*v = *fam
-
+		delete(d.fams, key)
 		return nil
 	}
+	return d.err
+}
 
 // SampleDecoder wraps a Decoder to extract samples from the metric families
 // decoded by the wrapped Decoder.

vendor/github.com/prometheus/common/expfmt/text_create.go

@@ -17,7 +17,6 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math"
 	"strconv"
 	"strings"
@@ -44,7 +43,7 @@ const (
 var (
 	bufPool = sync.Pool{
 		New: func() interface{} {
-			return bufio.NewWriter(ioutil.Discard)
+			return bufio.NewWriter(io.Discard)
 		},
 	}
 	numBufPool = sync.Pool{

vendor/github.com/prometheus/common/expfmt/text_parse.go

@@ -142,9 +142,13 @@ func (p *TextParser) reset(in io.Reader) {
 func (p *TextParser) startOfLine() stateFn {
 	p.lineCount++
 	if p.skipBlankTab(); p.err != nil {
-		// End of input reached. This is the only case where
+		// This is the only place that we expect to see io.EOF,
-		// that is not an error but a signal that we are done.
+		// which is not an error but the signal that we are done.
+		// Any other error that happens to align with the start of
+		// a line is still an error.
+		if p.err == io.EOF {
 			p.err = nil
+		}
 		return nil
 	}
 	switch p.currentByte {

vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go

@@ -35,8 +35,6 @@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
 */
 package goautoneg
 

vendor/github.com/prometheus/common/model/time.go

@@ -18,7 +18,6 @@ import (
 	"errors"
 	"fmt"
 	"math"
-	"regexp"
 	"strconv"
 	"strings"
 	"time"
@@ -183,54 +182,78 @@ func (d *Duration) Type() string {
 	return "duration"
 }
 
-var durationRE = regexp.MustCompile("^(([0-9]+)y)?(([0-9]+)w)?(([0-9]+)d)?(([0-9]+)h)?(([0-9]+)m)?(([0-9]+)s)?(([0-9]+)ms)?$")
+func isdigit(c byte) bool { return c >= '0' && c <= '9' }
+
+// Units are required to go in order from biggest to smallest.
+// This guards against confusion from "1m1d" being 1 minute + 1 day, not 1 month + 1 day.
+var unitMap = map[string]struct {
+	pos  int
+	mult uint64
+}{
+	"ms": {7, uint64(time.Millisecond)},
+	"s":  {6, uint64(time.Second)},
+	"m":  {5, uint64(time.Minute)},
+	"h":  {4, uint64(time.Hour)},
+	"d":  {3, uint64(24 * time.Hour)},
+	"w":  {2, uint64(7 * 24 * time.Hour)},
+	"y":  {1, uint64(365 * 24 * time.Hour)},
+}
 
 // ParseDuration parses a string into a time.Duration, assuming that a year
 // always has 365d, a week always has 7d, and a day always has 24h.
-func ParseDuration(durationStr string) (Duration, error) {
+func ParseDuration(s string) (Duration, error) {
-	switch durationStr {
+	switch s {
 	case "0":
 		// Allow 0 without a unit.
 		return 0, nil
 	case "":
 		return 0, errors.New("empty duration string")
 	}
-	matches := durationRE.FindStringSubmatch(durationStr)
-	if matches == nil {
-		return 0, fmt.Errorf("not a valid duration string: %q", durationStr)
-	}
-	var dur time.Duration
 
-	// Parse the match at pos `pos` in the regex and use `mult` to turn that
+	orig := s
-	// into ms, then add that value to the total parsed duration.
+	var dur uint64
-	var overflowErr error
+	lastUnitPos := 0
-	m := func(pos int, mult time.Duration) {
-		if matches[pos] == "" {
-			return
-		}
-		n, _ := strconv.Atoi(matches[pos])
 
+	for s != "" {
+		if !isdigit(s[0]) {
+			return 0, fmt.Errorf("not a valid duration string: %q", orig)
+		}
+		// Consume [0-9]*
+		i := 0
+		for ; i < len(s) && isdigit(s[i]); i++ {
+		}
+		v, err := strconv.ParseUint(s[:i], 10, 0)
+		if err != nil {
+			return 0, fmt.Errorf("not a valid duration string: %q", orig)
+		}
+		s = s[i:]
+
+		// Consume unit.
+		for i = 0; i < len(s) && !isdigit(s[i]); i++ {
+		}
+		if i == 0 {
+			return 0, fmt.Errorf("not a valid duration string: %q", orig)
+		}
+		u := s[:i]
+		s = s[i:]
+		unit, ok := unitMap[u]
+		if !ok {
+			return 0, fmt.Errorf("unknown unit %q in duration %q", u, orig)
+		}
+		if unit.pos <= lastUnitPos { // Units must go in order from biggest to smallest.
+			return 0, fmt.Errorf("not a valid duration string: %q", orig)
+		}
+		lastUnitPos = unit.pos
 		// Check if the provided duration overflows time.Duration (> ~ 290years).
-		if n > int((1<<63-1)/mult/time.Millisecond) {
+		if v > 1<<63/unit.mult {
-			overflowErr = errors.New("duration out of range")
+			return 0, errors.New("duration out of range")
 		}
-		d := time.Duration(n) * time.Millisecond
+		dur += v * unit.mult
-		dur += d * mult
+		if dur > 1<<63-1 {
-
+			return 0, errors.New("duration out of range")
-		if dur < 0 {
-			overflowErr = errors.New("duration out of range")
 		}
 	}
-
+	return Duration(dur), nil
-	m(2, 1000*60*60*24*365) // y
-	m(4, 1000*60*60*24*7)   // w
-	m(6, 1000*60*60*24)     // d
-	m(8, 1000*60*60)        // h
-	m(10, 1000*60)          // m
-	m(12, 1000)             // s
-	m(14, 1)                // ms
-
-	return Duration(dur), overflowErr
 }
 
 func (d Duration) String() string {

vendor/github.com/prometheus/common/model/value.go

@@ -16,20 +16,12 @@ package model
 import (
 	"encoding/json"
 	"fmt"
-	"math"
 	"sort"
 	"strconv"
 	"strings"
 )
 
 var (
-	// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
-	// non-existing sample pair. It is a SamplePair with timestamp Earliest and
-	// value 0.0. Note that the natural zero value of SamplePair has a timestamp
-	// of 0, which is possible to appear in a real SamplePair and thus not
-	// suitable to signal a non-existing SamplePair.
-	ZeroSamplePair = SamplePair{Timestamp: Earliest}
-
 	// ZeroSample is the pseudo zero-value of Sample used to signal a
 	// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
 	// and metric nil. Note that the natural zero value of Sample has a timestamp
@@ -38,82 +30,14 @@ var (
 	ZeroSample = Sample{Timestamp: Earliest}
 )
 
-// A SampleValue is a representation of a value for a given sample at a given
+// Sample is a sample pair associated with a metric. A single sample must either
-// time.
+// define Value or Histogram but not both. Histogram == nil implies the Value
-type SampleValue float64
+// field is used, otherwise it should be ignored.
-
-// MarshalJSON implements json.Marshaler.
-func (v SampleValue) MarshalJSON() ([]byte, error) {
-	return json.Marshal(v.String())
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (v *SampleValue) UnmarshalJSON(b []byte) error {
-	if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' {
-		return fmt.Errorf("sample value must be a quoted string")
-	}
-	f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64)
-	if err != nil {
-		return err
-	}
-	*v = SampleValue(f)
-	return nil
-}
-
-// Equal returns true if the value of v and o is equal or if both are NaN. Note
-// that v==o is false if both are NaN. If you want the conventional float
-// behavior, use == to compare two SampleValues.
-func (v SampleValue) Equal(o SampleValue) bool {
-	if v == o {
-		return true
-	}
-	return math.IsNaN(float64(v)) && math.IsNaN(float64(o))
-}
-
-func (v SampleValue) String() string {
-	return strconv.FormatFloat(float64(v), 'f', -1, 64)
-}
-
-// SamplePair pairs a SampleValue with a Timestamp.
-type SamplePair struct {
-	Timestamp Time
-	Value     SampleValue
-}
-
-// MarshalJSON implements json.Marshaler.
-func (s SamplePair) MarshalJSON() ([]byte, error) {
-	t, err := json.Marshal(s.Timestamp)
-	if err != nil {
-		return nil, err
-	}
-	v, err := json.Marshal(s.Value)
-	if err != nil {
-		return nil, err
-	}
-	return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (s *SamplePair) UnmarshalJSON(b []byte) error {
-	v := [...]json.Unmarshaler{&s.Timestamp, &s.Value}
-	return json.Unmarshal(b, &v)
-}
-
-// Equal returns true if this SamplePair and o have equal Values and equal
-// Timestamps. The semantics of Value equality is defined by SampleValue.Equal.
-func (s *SamplePair) Equal(o *SamplePair) bool {
-	return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp))
-}
-
-func (s SamplePair) String() string {
-	return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp)
-}
-
-// Sample is a sample pair associated with a metric.
 type Sample struct {
 	Metric    Metric           `json:"metric"`
 	Value     SampleValue      `json:"value"`
 	Timestamp Time             `json:"timestamp"`
+	Histogram *SampleHistogram `json:"histogram"`
 }
 
 // Equal compares first the metrics, then the timestamp, then the value. The
@@ -129,11 +53,19 @@ func (s *Sample) Equal(o *Sample) bool {
 	if !s.Timestamp.Equal(o.Timestamp) {
 		return false
 	}
-
+	if s.Histogram != nil {
+		return s.Histogram.Equal(o.Histogram)
+	}
 	return s.Value.Equal(o.Value)
 }
 
 func (s Sample) String() string {
+	if s.Histogram != nil {
+		return fmt.Sprintf("%s => %s", s.Metric, SampleHistogramPair{
+			Timestamp: s.Timestamp,
+			Histogram: s.Histogram,
+		})
+	}
 	return fmt.Sprintf("%s => %s", s.Metric, SamplePair{
 		Timestamp: s.Timestamp,
 		Value:     s.Value,
@@ -142,6 +74,19 @@ func (s Sample) String() string {
 
 // MarshalJSON implements json.Marshaler.
 func (s Sample) MarshalJSON() ([]byte, error) {
+	if s.Histogram != nil {
+		v := struct {
+			Metric    Metric              `json:"metric"`
+			Histogram SampleHistogramPair `json:"histogram"`
+		}{
+			Metric: s.Metric,
+			Histogram: SampleHistogramPair{
+				Timestamp: s.Timestamp,
+				Histogram: s.Histogram,
+			},
+		}
+		return json.Marshal(&v)
+	}
 	v := struct {
 		Metric Metric     `json:"metric"`
 		Value  SamplePair `json:"value"`
@@ -152,7 +97,6 @@ func (s Sample) MarshalJSON() ([]byte, error) {
 			Value:     s.Value,
 		},
 	}
-
 	return json.Marshal(&v)
 }
 
@@ -161,12 +105,17 @@ func (s *Sample) UnmarshalJSON(b []byte) error {
 	v := struct {
 		Metric    Metric              `json:"metric"`
 		Value     SamplePair          `json:"value"`
+		Histogram SampleHistogramPair `json:"histogram"`
 	}{
 		Metric: s.Metric,
 		Value: SamplePair{
 			Timestamp: s.Timestamp,
 			Value:     s.Value,
 		},
+		Histogram: SampleHistogramPair{
+			Timestamp: s.Timestamp,
+			Histogram: s.Histogram,
+		},
 	}
 
 	if err := json.Unmarshal(b, &v); err != nil {
@@ -174,8 +123,13 @@ func (s *Sample) UnmarshalJSON(b []byte) error {
 	}
 
 	s.Metric = v.Metric
+	if v.Histogram.Histogram != nil {
+		s.Timestamp = v.Histogram.Timestamp
+		s.Histogram = v.Histogram.Histogram
+	} else {
 		s.Timestamp = v.Value.Timestamp
 		s.Value = v.Value.Value
+	}
 
 	return nil
 }
@@ -223,78 +177,74 @@ func (s Samples) Equal(o Samples) bool {
 type SampleStream struct {
 	Metric     Metric                `json:"metric"`
 	Values     []SamplePair          `json:"values"`
+	Histograms []SampleHistogramPair `json:"histograms"`
 }
 
 func (ss SampleStream) String() string {
-	vals := make([]string, len(ss.Values))
+	valuesLength := len(ss.Values)
+	vals := make([]string, valuesLength+len(ss.Histograms))
 	for i, v := range ss.Values {
 		vals[i] = v.String()
 	}
+	for i, v := range ss.Histograms {
+		vals[i+valuesLength] = v.String()
+	}
 	return fmt.Sprintf("%s =>\n%s", ss.Metric, strings.Join(vals, "\n"))
 }
 
-// Value is a generic interface for values resulting from a query evaluation.
+func (ss SampleStream) MarshalJSON() ([]byte, error) {
-type Value interface {
+	if len(ss.Histograms) > 0 && len(ss.Values) > 0 {
-	Type() ValueType
+		v := struct {
-	String() string
+			Metric     Metric                `json:"metric"`
+			Values     []SamplePair          `json:"values"`
+			Histograms []SampleHistogramPair `json:"histograms"`
+		}{
+			Metric:     ss.Metric,
+			Values:     ss.Values,
+			Histograms: ss.Histograms,
+		}
+		return json.Marshal(&v)
+	} else if len(ss.Histograms) > 0 {
+		v := struct {
+			Metric     Metric                `json:"metric"`
+			Histograms []SampleHistogramPair `json:"histograms"`
+		}{
+			Metric:     ss.Metric,
+			Histograms: ss.Histograms,
+		}
+		return json.Marshal(&v)
+	} else {
+		v := struct {
+			Metric Metric       `json:"metric"`
+			Values []SamplePair `json:"values"`
+		}{
+			Metric: ss.Metric,
+			Values: ss.Values,
+		}
+		return json.Marshal(&v)
+	}
 }
 
-func (Matrix) Type() ValueType  { return ValMatrix }
+func (ss *SampleStream) UnmarshalJSON(b []byte) error {
-func (Vector) Type() ValueType  { return ValVector }
+	v := struct {
-func (*Scalar) Type() ValueType { return ValScalar }
+		Metric     Metric                `json:"metric"`
-func (*String) Type() ValueType { return ValString }
+		Values     []SamplePair          `json:"values"`
-
+		Histograms []SampleHistogramPair `json:"histograms"`
-type ValueType int
+	}{
-
+		Metric:     ss.Metric,
-const (
+		Values:     ss.Values,
-	ValNone ValueType = iota
+		Histograms: ss.Histograms,
-	ValScalar
-	ValVector
-	ValMatrix
-	ValString
-)
-
-// MarshalJSON implements json.Marshaler.
-func (et ValueType) MarshalJSON() ([]byte, error) {
-	return json.Marshal(et.String())
 	}
 
-func (et *ValueType) UnmarshalJSON(b []byte) error {
+	if err := json.Unmarshal(b, &v); err != nil {
-	var s string
-	if err := json.Unmarshal(b, &s); err != nil {
 		return err
 	}
-	switch s {
-	case "<ValNone>":
-		*et = ValNone
-	case "scalar":
-		*et = ValScalar
-	case "vector":
-		*et = ValVector
-	case "matrix":
-		*et = ValMatrix
-	case "string":
-		*et = ValString
-	default:
-		return fmt.Errorf("unknown value type %q", s)
-	}
-	return nil
-}
 
-func (e ValueType) String() string {
+	ss.Metric = v.Metric
-	switch e {
+	ss.Values = v.Values
-	case ValNone:
+	ss.Histograms = v.Histograms
-		return "<ValNone>"
+
-	case ValScalar:
+	return nil
-		return "scalar"
-	case ValVector:
-		return "vector"
-	case ValMatrix:
-		return "matrix"
-	case ValString:
-		return "string"
-	}
-	panic("ValueType.String: unhandled value type")
 }
 
 // Scalar is a scalar value evaluated at the set timestamp.

vendor/github.com/prometheus/common/model/value_float.go

@@ -0,0 +1,100 @@
+// Copyright 2013 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"math"
+	"strconv"
+)
+
+var (
+	// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
+	// non-existing sample pair. It is a SamplePair with timestamp Earliest and
+	// value 0.0. Note that the natural zero value of SamplePair has a timestamp
+	// of 0, which is possible to appear in a real SamplePair and thus not
+	// suitable to signal a non-existing SamplePair.
+	ZeroSamplePair = SamplePair{Timestamp: Earliest}
+)
+
+// A SampleValue is a representation of a value for a given sample at a given
+// time.
+type SampleValue float64
+
+// MarshalJSON implements json.Marshaler.
+func (v SampleValue) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (v *SampleValue) UnmarshalJSON(b []byte) error {
+	if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' {
+		return fmt.Errorf("sample value must be a quoted string")
+	}
+	f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64)
+	if err != nil {
+		return err
+	}
+	*v = SampleValue(f)
+	return nil
+}
+
+// Equal returns true if the value of v and o is equal or if both are NaN. Note
+// that v==o is false if both are NaN. If you want the conventional float
+// behavior, use == to compare two SampleValues.
+func (v SampleValue) Equal(o SampleValue) bool {
+	if v == o {
+		return true
+	}
+	return math.IsNaN(float64(v)) && math.IsNaN(float64(o))
+}
+
+func (v SampleValue) String() string {
+	return strconv.FormatFloat(float64(v), 'f', -1, 64)
+}
+
+// SamplePair pairs a SampleValue with a Timestamp.
+type SamplePair struct {
+	Timestamp Time
+	Value     SampleValue
+}
+
+func (s SamplePair) MarshalJSON() ([]byte, error) {
+	t, err := json.Marshal(s.Timestamp)
+	if err != nil {
+		return nil, err
+	}
+	v, err := json.Marshal(s.Value)
+	if err != nil {
+		return nil, err
+	}
+	return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil
+}
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (s *SamplePair) UnmarshalJSON(b []byte) error {
+	v := [...]json.Unmarshaler{&s.Timestamp, &s.Value}
+	return json.Unmarshal(b, &v)
+}
+
+// Equal returns true if this SamplePair and o have equal Values and equal
+// Timestamps. The semantics of Value equality is defined by SampleValue.Equal.
+func (s *SamplePair) Equal(o *SamplePair) bool {
+	return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp))
+}
+
+func (s SamplePair) String() string {
+	return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp)
+}

vendor/github.com/prometheus/common/model/value_histogram.go

@@ -0,0 +1,178 @@
+// Copyright 2013 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type FloatString float64
+
+func (v FloatString) String() string {
+	return strconv.FormatFloat(float64(v), 'f', -1, 64)
+}
+
+func (v FloatString) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+func (v *FloatString) UnmarshalJSON(b []byte) error {
+	if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' {
+		return fmt.Errorf("float value must be a quoted string")
+	}
+	f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64)
+	if err != nil {
+		return err
+	}
+	*v = FloatString(f)
+	return nil
+}
+
+type HistogramBucket struct {
+	Boundaries int32
+	Lower      FloatString
+	Upper      FloatString
+	Count      FloatString
+}
+
+func (s HistogramBucket) MarshalJSON() ([]byte, error) {
+	b, err := json.Marshal(s.Boundaries)
+	if err != nil {
+		return nil, err
+	}
+	l, err := json.Marshal(s.Lower)
+	if err != nil {
+		return nil, err
+	}
+	u, err := json.Marshal(s.Upper)
+	if err != nil {
+		return nil, err
+	}
+	c, err := json.Marshal(s.Count)
+	if err != nil {
+		return nil, err
+	}
+	return []byte(fmt.Sprintf("[%s,%s,%s,%s]", b, l, u, c)), nil
+}
+
+func (s *HistogramBucket) UnmarshalJSON(buf []byte) error {
+	tmp := []interface{}{&s.Boundaries, &s.Lower, &s.Upper, &s.Count}
+	wantLen := len(tmp)
+	if err := json.Unmarshal(buf, &tmp); err != nil {
+		return err
+	}
+	if gotLen := len(tmp); gotLen != wantLen {
+		return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen)
+	}
+	return nil
+}
+
+func (s *HistogramBucket) Equal(o *HistogramBucket) bool {
+	return s == o || (s.Boundaries == o.Boundaries && s.Lower == o.Lower && s.Upper == o.Upper && s.Count == o.Count)
+}
+
+func (b HistogramBucket) String() string {
+	var sb strings.Builder
+	lowerInclusive := b.Boundaries == 1 || b.Boundaries == 3
+	upperInclusive := b.Boundaries == 0 || b.Boundaries == 3
+	if lowerInclusive {
+		sb.WriteRune('[')
+	} else {
+		sb.WriteRune('(')
+	}
+	fmt.Fprintf(&sb, "%g,%g", b.Lower, b.Upper)
+	if upperInclusive {
+		sb.WriteRune(']')
+	} else {
+		sb.WriteRune(')')
+	}
+	fmt.Fprintf(&sb, ":%v", b.Count)
+	return sb.String()
+}
+
+type HistogramBuckets []*HistogramBucket
+
+func (s HistogramBuckets) Equal(o HistogramBuckets) bool {
+	if len(s) != len(o) {
+		return false
+	}
+
+	for i, bucket := range s {
+		if !bucket.Equal(o[i]) {
+			return false
+		}
+	}
+	return true
+}
+
+type SampleHistogram struct {
+	Count   FloatString      `json:"count"`
+	Sum     FloatString      `json:"sum"`
+	Buckets HistogramBuckets `json:"buckets"`
+}
+
+func (s SampleHistogram) String() string {
+	return fmt.Sprintf("Count: %f, Sum: %f, Buckets: %v", s.Count, s.Sum, s.Buckets)
+}
+
+func (s *SampleHistogram) Equal(o *SampleHistogram) bool {
+	return s == o || (s.Count == o.Count && s.Sum == o.Sum && s.Buckets.Equal(o.Buckets))
+}
+
+type SampleHistogramPair struct {
+	Timestamp Time
+	// Histogram should never be nil, it's only stored as pointer for efficiency.
+	Histogram *SampleHistogram
+}
+
+func (s SampleHistogramPair) MarshalJSON() ([]byte, error) {
+	if s.Histogram == nil {
+		return nil, fmt.Errorf("histogram is nil")
+	}
+	t, err := json.Marshal(s.Timestamp)
+	if err != nil {
+		return nil, err
+	}
+	v, err := json.Marshal(s.Histogram)
+	if err != nil {
+		return nil, err
+	}
+	return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil
+}
+
+func (s *SampleHistogramPair) UnmarshalJSON(buf []byte) error {
+	tmp := []interface{}{&s.Timestamp, &s.Histogram}
+	wantLen := len(tmp)
+	if err := json.Unmarshal(buf, &tmp); err != nil {
+		return err
+	}
+	if gotLen := len(tmp); gotLen != wantLen {
+		return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen)
+	}
+	if s.Histogram == nil {
+		return fmt.Errorf("histogram is null")
+	}
+	return nil
+}
+
+func (s SampleHistogramPair) String() string {
+	return fmt.Sprintf("%s @[%s]", s.Histogram, s.Timestamp)
+}
+
+func (s *SampleHistogramPair) Equal(o *SampleHistogramPair) bool {
+	return s == o || (s.Histogram.Equal(o.Histogram) && s.Timestamp.Equal(o.Timestamp))
+}

vendor/github.com/prometheus/common/model/value_type.go

@@ -0,0 +1,83 @@
+// Copyright 2013 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// Value is a generic interface for values resulting from a query evaluation.
+type Value interface {
+	Type() ValueType
+	String() string
+}
+
+func (Matrix) Type() ValueType  { return ValMatrix }
+func (Vector) Type() ValueType  { return ValVector }
+func (*Scalar) Type() ValueType { return ValScalar }
+func (*String) Type() ValueType { return ValString }
+
+type ValueType int
+
+const (
+	ValNone ValueType = iota
+	ValScalar
+	ValVector
+	ValMatrix
+	ValString
+)
+
+// MarshalJSON implements json.Marshaler.
+func (et ValueType) MarshalJSON() ([]byte, error) {
+	return json.Marshal(et.String())
+}
+
+func (et *ValueType) UnmarshalJSON(b []byte) error {
+	var s string
+	if err := json.Unmarshal(b, &s); err != nil {
+		return err
+	}
+	switch s {
+	case "<ValNone>":
+		*et = ValNone
+	case "scalar":
+		*et = ValScalar
+	case "vector":
+		*et = ValVector
+	case "matrix":
+		*et = ValMatrix
+	case "string":
+		*et = ValString
+	default:
+		return fmt.Errorf("unknown value type %q", s)
+	}
+	return nil
+}
+
+func (e ValueType) String() string {
+	switch e {
+	case ValNone:
+		return "<ValNone>"
+	case ValScalar:
+		return "scalar"
+	case ValVector:
+		return "vector"
+	case ValMatrix:
+		return "matrix"
+	case ValString:
+		return "string"
+	}
+	panic("ValueType.String: unhandled value type")
+}

vendor/github.com/prometheus/procfs/Makefile.common

@@ -55,19 +55,22 @@ ifneq ($(shell which gotestsum),)
 endif
 endif
 
-PROMU_VERSION ?= 0.13.0
+PROMU_VERSION ?= 0.14.0
 PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
 
+SKIP_GOLANGCI_LINT :=
 GOLANGCI_LINT :=
 GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.45.2
+GOLANGCI_LINT_VERSION ?= v1.49.0
 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
 # windows isn't included here because of the path separator being different.
 ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
 	ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386))
 		# If we're in CI and there is an Actions file, that means the linter
 		# is being run in Actions, so we don't need to run it here.
-		ifeq (,$(CIRCLE_JOB))
+		ifneq (,$(SKIP_GOLANGCI_LINT))
+			GOLANGCI_LINT :=
+		else ifeq (,$(CIRCLE_JOB))
 			GOLANGCI_LINT := $(FIRST_GOPATH)/bin/golangci-lint
 		else ifeq (,$(wildcard .github/workflows/golangci-lint.yml))
 			GOLANGCI_LINT := $(FIRST_GOPATH)/bin/golangci-lint

vendor/github.com/prometheus/procfs/cpuinfo.go

@@ -380,6 +380,42 @@ func parseCPUInfoMips(info []byte) ([]CPUInfo, error) {
 	return cpuinfo, nil
 }
 
+func parseCPUInfoLoong(info []byte) ([]CPUInfo, error) {
+	scanner := bufio.NewScanner(bytes.NewReader(info))
+	// find the first "processor" line
+	firstLine := firstNonEmptyLine(scanner)
+	if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
+		return nil, errors.New("invalid cpuinfo file: " + firstLine)
+	}
+	field := strings.SplitN(firstLine, ": ", 2)
+	cpuinfo := []CPUInfo{}
+	systemType := field[1]
+	i := 0
+	for scanner.Scan() {
+		line := scanner.Text()
+		if !strings.Contains(line, ":") {
+			continue
+		}
+		field := strings.SplitN(line, ": ", 2)
+		switch strings.TrimSpace(field[0]) {
+		case "processor":
+			v, err := strconv.ParseUint(field[1], 0, 32)
+			if err != nil {
+				return nil, err
+			}
+			i = int(v)
+			cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor
+			cpuinfo[i].Processor = uint(v)
+			cpuinfo[i].VendorID = systemType
+		case "CPU Family":
+			cpuinfo[i].CPUFamily = field[1]
+		case "Model Name":
+			cpuinfo[i].ModelName = field[1]
+		}
+	}
+	return cpuinfo, nil
+}
+
 func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) {
 	scanner := bufio.NewScanner(bytes.NewReader(info))
 

vendor/github.com/prometheus/procfs/cpuinfo_loong64.go

@@ -0,0 +1,19 @@
+// Copyright 2022 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build linux
+// +build linux
+
+package procfs
+
+var parseCPUInfo = parseCPUInfoLoong

vendor/github.com/prometheus/procfs/cpuinfo_others.go

@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux && !386 && !amd64 && !arm && !arm64 && !mips && !mips64 && !mips64le && !mipsle && !ppc64 && !ppc64le && !riscv64 && !s390x
+//go:build linux && !386 && !amd64 && !arm && !arm64 && !loong64 && !mips && !mips64 && !mips64le && !mipsle && !ppc64 && !ppc64le && !riscv64 && !s390x
-// +build linux,!386,!amd64,!arm,!arm64,!mips,!mips64,!mips64le,!mipsle,!ppc64,!ppc64le,!riscv64,!s390x
+// +build linux,!386,!amd64,!arm,!arm64,!loong64,!mips,!mips64,!mips64le,!mipsle,!ppc64,!ppc64le,!riscv64,!s390x
 
 package procfs
 

vendor/github.com/prometheus/procfs/doc.go

@@ -41,5 +41,4 @@
 //		fmt.Printf("vsize:    %dB\n", stat.VirtualMemory())
 //		fmt.Printf("rss:      %dB\n", stat.ResidentMemory())
 //	}
-//
 package procfs

vendor/github.com/prometheus/procfs/mountstats.go

@@ -284,6 +284,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
 }
 
 // parseMount parses an entry in /proc/[pid]/mountstats in the format:
+//
 //	device [device] mounted on [mount] with fstype [type]
 func parseMount(ss []string) (*Mount, error) {
 	if len(ss) < deviceEntryLen {

vendor/github.com/prometheus/procfs/net_softnet.go

@@ -27,8 +27,9 @@ import (
 // For the proc file format details,
 // See:
 // * Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2343
-// * Linux 4.17 https://elixir.bootlin.com/linux/v4.17/source/net/core/net-procfs.c#L162
+// * Linux 2.6.39 https://elixir.bootlin.com/linux/v2.6.39/source/net/core/dev.c#L4086
-// and https://elixir.bootlin.com/linux/v4.17/source/include/linux/netdevice.h#L2810.
+// * Linux 4.18 https://elixir.bootlin.com/linux/v4.18/source/net/core/net-procfs.c#L162
+// * Linux 5.14 https://elixir.bootlin.com/linux/v5.14/source/net/core/net-procfs.c#L169
 
 // SoftnetStat contains a single row of data from /proc/net/softnet_stat.
 type SoftnetStat struct {
@@ -38,6 +39,18 @@ type SoftnetStat struct {
 	Dropped uint32
 	// Number of times processing packets ran out of quota.
 	TimeSqueezed uint32
+	// Number of collision occur while obtaining device lock while transmitting.
+	CPUCollision uint32
+	// Number of times cpu woken up received_rps.
+	ReceivedRps uint32
+	// number of times flow limit has been reached.
+	FlowLimitCount uint32
+	// Softnet backlog status.
+	SoftnetBacklogLen uint32
+	// CPU id owning this softnet_data.
+	Index uint32
+	// softnet_data's Width.
+	Width int
 }
 
 var softNetProcFile = "net/softnet_stat"
@@ -66,22 +79,57 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
 	for s.Scan() {
 		columns := strings.Fields(s.Text())
 		width := len(columns)
+		softnetStat := SoftnetStat{}
 
 		if width < minColumns {
 			return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns)
 		}
 
-		// We only parse the first three columns at the moment.
+		// Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2347
-		us, err := parseHexUint32s(columns[0:3])
+		if width >= minColumns {
+			us, err := parseHexUint32s(columns[0:9])
 			if err != nil {
 				return nil, err
 			}
 
-		stats = append(stats, SoftnetStat{
+			softnetStat.Processed = us[0]
-			Processed:    us[0],
+			softnetStat.Dropped = us[1]
-			Dropped:      us[1],
+			softnetStat.TimeSqueezed = us[2]
-			TimeSqueezed: us[2],
+			softnetStat.CPUCollision = us[8]
-		})
+		}
+
+		// Linux 2.6.39 https://elixir.bootlin.com/linux/v2.6.39/source/net/core/dev.c#L4086
+		if width >= 10 {
+			us, err := parseHexUint32s(columns[9:10])
+			if err != nil {
+				return nil, err
+			}
+
+			softnetStat.ReceivedRps = us[0]
+		}
+
+		// Linux 4.18 https://elixir.bootlin.com/linux/v4.18/source/net/core/net-procfs.c#L162
+		if width >= 11 {
+			us, err := parseHexUint32s(columns[10:11])
+			if err != nil {
+				return nil, err
+			}
+
+			softnetStat.FlowLimitCount = us[0]
+		}
+
+		// Linux 5.14 https://elixir.bootlin.com/linux/v5.14/source/net/core/net-procfs.c#L169
+		if width >= 13 {
+			us, err := parseHexUint32s(columns[11:13])
+			if err != nil {
+				return nil, err
+			}
+
+			softnetStat.SoftnetBacklogLen = us[0]
+			softnetStat.Index = us[1]
+		}
+		softnetStat.Width = width
+		stats = append(stats, softnetStat)
 	}
 
 	return stats, nil

vendor/github.com/prometheus/procfs/netstat.go

@@ -15,6 +15,7 @@ package procfs
 
 import (
 	"bufio"
+	"io"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -42,12 +43,29 @@ func (fs FS) NetStat() ([]NetStat, error) {
 			return nil, err
 		}
 
-		netStatFile := NetStat{
+		procNetstat, err := parseNetstat(file)
-			Filename: filepath.Base(filePath),
+		if err != nil {
+			return nil, err
+		}
+		procNetstat.Filename = filepath.Base(filePath)
+
+		netStatsTotal = append(netStatsTotal, procNetstat)
+	}
+	return netStatsTotal, nil
+}
+
+// parseNetstat parses the metrics from `/proc/net/stat/` file
+// and returns a NetStat structure.
+func parseNetstat(r io.Reader) (NetStat, error) {
+	var (
+		scanner = bufio.NewScanner(r)
+		netStat = NetStat{
 			Stats: make(map[string][]uint64),
 		}
-		scanner := bufio.NewScanner(file)
+	)
+
 	scanner.Scan()
+
 	// First string is always a header for stats
 	var headers []string
 	headers = append(headers, strings.Fields(scanner.Text())...)
@@ -57,12 +75,11 @@ func (fs FS) NetStat() ([]NetStat, error) {
 		for num, counter := range strings.Fields(scanner.Text()) {
 			value, err := strconv.ParseUint(counter, 16, 64)
 			if err != nil {
-					return nil, err
+				return NetStat{}, err
 			}
-				netStatFile.Stats[headers[num]] = append(netStatFile.Stats[headers[num]], value)
+			netStat.Stats[headers[num]] = append(netStat.Stats[headers[num]], value)
 		}
 	}
-		netStatsTotal = append(netStatsTotal, netStatFile)
+
-	}
+	return netStat, nil
-	return netStatsTotal, nil
 }

vendor/github.com/prometheus/procfs/proc_cgroup.go

@@ -23,7 +23,7 @@ import (
 	"github.com/prometheus/procfs/internal/util"
 )
 
-// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the the placement of a PID inside a
+// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the placement of a PID inside a
 // specific control hierarchy. The kernel has two cgroup APIs, v1 and v2. v1 has one hierarchy per available resource
 // controller, while v2 has one unified hierarchy shared by all controllers. Regardless of v1 or v2, all hierarchies
 // contain all running processes, so the question answerable with a Cgroup struct is 'where is this process in

vendor/github.com/prometheus/procfs/proc_interrupts.go

@@ -0,0 +1,98 @@
+// Copyright 2022 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+	"bufio"
+	"bytes"
+	"errors"
+	"fmt"
+	"io"
+	"strconv"
+	"strings"
+
+	"github.com/prometheus/procfs/internal/util"
+)
+
+// Interrupt represents a single interrupt line.
+type Interrupt struct {
+	// Info is the type of interrupt.
+	Info string
+	// Devices is the name of the device that is located at that IRQ
+	Devices string
+	// Values is the number of interrupts per CPU.
+	Values []string
+}
+
+// Interrupts models the content of /proc/interrupts. Key is the IRQ number.
+// - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/s2-proc-interrupts
+// - https://raspberrypi.stackexchange.com/questions/105802/explanation-of-proc-interrupts-output
+type Interrupts map[string]Interrupt
+
+// Interrupts creates a new instance from a given Proc instance.
+func (p Proc) Interrupts() (Interrupts, error) {
+	data, err := util.ReadFileNoStat(p.path("interrupts"))
+	if err != nil {
+		return nil, err
+	}
+	return parseInterrupts(bytes.NewReader(data))
+}
+
+func parseInterrupts(r io.Reader) (Interrupts, error) {
+	var (
+		interrupts = Interrupts{}
+		scanner    = bufio.NewScanner(r)
+	)
+
+	if !scanner.Scan() {
+		return nil, errors.New("interrupts empty")
+	}
+	cpuNum := len(strings.Fields(scanner.Text())) // one header per cpu
+
+	for scanner.Scan() {
+		parts := strings.Fields(scanner.Text())
+		if len(parts) == 0 { // skip empty lines
+			continue
+		}
+		if len(parts) < 2 {
+			return nil, fmt.Errorf("not enough fields in interrupts (expected at least 2 fields but got %d): %s", len(parts), parts)
+		}
+		intName := parts[0][:len(parts[0])-1] // remove trailing :
+
+		if len(parts) == 2 {
+			interrupts[intName] = Interrupt{
+				Info:    "",
+				Devices: "",
+				Values: []string{
+					parts[1],
+				},
+			}
+			continue
+		}
+
+		intr := Interrupt{
+			Values: parts[1 : cpuNum+1],
+		}
+
+		if _, err := strconv.Atoi(intName); err == nil { // numeral interrupt
+			intr.Info = parts[cpuNum+1]
+			intr.Devices = strings.Join(parts[cpuNum+2:], " ")
+		} else {
+			intr.Info = strings.Join(parts[cpuNum+1:], " ")
+		}
+		interrupts[intName] = intr
+	}
+
+	return interrupts, scanner.Err()
+}

vendor/github.com/prometheus/procfs/proc_netstat.go

@@ -33,139 +33,140 @@ type ProcNetstat struct {
 }
 
 type TcpExt struct { // nolint:revive
-	SyncookiesSent            float64
+	SyncookiesSent            *float64
-	SyncookiesRecv            float64
+	SyncookiesRecv            *float64
-	SyncookiesFailed          float64
+	SyncookiesFailed          *float64
-	EmbryonicRsts             float64
+	EmbryonicRsts             *float64
-	PruneCalled               float64
+	PruneCalled               *float64
-	RcvPruned                 float64
+	RcvPruned                 *float64
-	OfoPruned                 float64
+	OfoPruned                 *float64
-	OutOfWindowIcmps          float64
+	OutOfWindowIcmps          *float64
-	LockDroppedIcmps          float64
+	LockDroppedIcmps          *float64
-	ArpFilter                 float64
+	ArpFilter                 *float64
-	TW                        float64
+	TW                        *float64
-	TWRecycled                float64
+	TWRecycled                *float64
-	TWKilled                  float64
+	TWKilled                  *float64
-	PAWSActive                float64
+	PAWSActive                *float64
-	PAWSEstab                 float64
+	PAWSEstab                 *float64
-	DelayedACKs               float64
+	DelayedACKs               *float64
-	DelayedACKLocked          float64
+	DelayedACKLocked          *float64
-	DelayedACKLost            float64
+	DelayedACKLost            *float64
-	ListenOverflows           float64
+	ListenOverflows           *float64
-	ListenDrops               float64
+	ListenDrops               *float64
-	TCPHPHits                 float64
+	TCPHPHits                 *float64
-	TCPPureAcks               float64
+	TCPPureAcks               *float64
-	TCPHPAcks                 float64
+	TCPHPAcks                 *float64
-	TCPRenoRecovery           float64
+	TCPRenoRecovery           *float64
-	TCPSackRecovery           float64
+	TCPSackRecovery           *float64
-	TCPSACKReneging           float64
+	TCPSACKReneging           *float64
-	TCPSACKReorder            float64
+	TCPSACKReorder            *float64
-	TCPRenoReorder            float64
+	TCPRenoReorder            *float64
-	TCPTSReorder              float64
+	TCPTSReorder              *float64
-	TCPFullUndo               float64
+	TCPFullUndo               *float64
-	TCPPartialUndo            float64
+	TCPPartialUndo            *float64
-	TCPDSACKUndo              float64
+	TCPDSACKUndo              *float64
-	TCPLossUndo               float64
+	TCPLossUndo               *float64
-	TCPLostRetransmit         float64
+	TCPLostRetransmit         *float64
-	TCPRenoFailures           float64
+	TCPRenoFailures           *float64
-	TCPSackFailures           float64
+	TCPSackFailures           *float64
-	TCPLossFailures           float64
+	TCPLossFailures           *float64
-	TCPFastRetrans            float64
+	TCPFastRetrans            *float64
-	TCPSlowStartRetrans       float64
+	TCPSlowStartRetrans       *float64
-	TCPTimeouts               float64
+	TCPTimeouts               *float64
-	TCPLossProbes             float64
+	TCPLossProbes             *float64
-	TCPLossProbeRecovery      float64
+	TCPLossProbeRecovery      *float64
-	TCPRenoRecoveryFail       float64
+	TCPRenoRecoveryFail       *float64
-	TCPSackRecoveryFail       float64
+	TCPSackRecoveryFail       *float64
-	TCPRcvCollapsed           float64
+	TCPRcvCollapsed           *float64
-	TCPDSACKOldSent           float64
+	TCPDSACKOldSent           *float64
-	TCPDSACKOfoSent           float64
+	TCPDSACKOfoSent           *float64
-	TCPDSACKRecv              float64
+	TCPDSACKRecv              *float64
-	TCPDSACKOfoRecv           float64
+	TCPDSACKOfoRecv           *float64
-	TCPAbortOnData            float64
+	TCPAbortOnData            *float64
-	TCPAbortOnClose           float64
+	TCPAbortOnClose           *float64
-	TCPAbortOnMemory          float64
+	TCPAbortOnMemory          *float64
-	TCPAbortOnTimeout         float64
+	TCPAbortOnTimeout         *float64
-	TCPAbortOnLinger          float64
+	TCPAbortOnLinger          *float64
-	TCPAbortFailed            float64
+	TCPAbortFailed            *float64
-	TCPMemoryPressures        float64
+	TCPMemoryPressures        *float64
-	TCPMemoryPressuresChrono  float64
+	TCPMemoryPressuresChrono  *float64
-	TCPSACKDiscard            float64
+	TCPSACKDiscard            *float64
-	TCPDSACKIgnoredOld        float64
+	TCPDSACKIgnoredOld        *float64
-	TCPDSACKIgnoredNoUndo     float64
+	TCPDSACKIgnoredNoUndo     *float64
-	TCPSpuriousRTOs           float64
+	TCPSpuriousRTOs           *float64
-	TCPMD5NotFound            float64
+	TCPMD5NotFound            *float64
-	TCPMD5Unexpected          float64
+	TCPMD5Unexpected          *float64
-	TCPMD5Failure             float64
+	TCPMD5Failure             *float64
-	TCPSackShifted            float64
+	TCPSackShifted            *float64
-	TCPSackMerged             float64
+	TCPSackMerged             *float64
-	TCPSackShiftFallback      float64
+	TCPSackShiftFallback      *float64
-	TCPBacklogDrop            float64
+	TCPBacklogDrop            *float64
-	PFMemallocDrop            float64
+	PFMemallocDrop            *float64
-	TCPMinTTLDrop             float64
+	TCPMinTTLDrop             *float64
-	TCPDeferAcceptDrop        float64
+	TCPDeferAcceptDrop        *float64
-	IPReversePathFilter       float64
+	IPReversePathFilter       *float64
-	TCPTimeWaitOverflow       float64
+	TCPTimeWaitOverflow       *float64
-	TCPReqQFullDoCookies      float64
+	TCPReqQFullDoCookies      *float64
-	TCPReqQFullDrop           float64
+	TCPReqQFullDrop           *float64
-	TCPRetransFail            float64
+	TCPRetransFail            *float64
-	TCPRcvCoalesce            float64
+	TCPRcvCoalesce            *float64
-	TCPOFOQueue               float64
+	TCPRcvQDrop               *float64
-	TCPOFODrop                float64
+	TCPOFOQueue               *float64
-	TCPOFOMerge               float64
+	TCPOFODrop                *float64
-	TCPChallengeACK           float64
+	TCPOFOMerge               *float64
-	TCPSYNChallenge           float64
+	TCPChallengeACK           *float64
-	TCPFastOpenActive         float64
+	TCPSYNChallenge           *float64
-	TCPFastOpenActiveFail     float64
+	TCPFastOpenActive         *float64
-	TCPFastOpenPassive        float64
+	TCPFastOpenActiveFail     *float64
-	TCPFastOpenPassiveFail    float64
+	TCPFastOpenPassive        *float64
-	TCPFastOpenListenOverflow float64
+	TCPFastOpenPassiveFail    *float64
-	TCPFastOpenCookieReqd     float64
+	TCPFastOpenListenOverflow *float64
-	TCPFastOpenBlackhole      float64
+	TCPFastOpenCookieReqd     *float64
-	TCPSpuriousRtxHostQueues  float64
+	TCPFastOpenBlackhole      *float64
-	BusyPollRxPackets         float64
+	TCPSpuriousRtxHostQueues  *float64
-	TCPAutoCorking            float64
+	BusyPollRxPackets         *float64
-	TCPFromZeroWindowAdv      float64
+	TCPAutoCorking            *float64
-	TCPToZeroWindowAdv        float64
+	TCPFromZeroWindowAdv      *float64
-	TCPWantZeroWindowAdv      float64
+	TCPToZeroWindowAdv        *float64
-	TCPSynRetrans             float64
+	TCPWantZeroWindowAdv      *float64
-	TCPOrigDataSent           float64
+	TCPSynRetrans             *float64
-	TCPHystartTrainDetect     float64
+	TCPOrigDataSent           *float64
-	TCPHystartTrainCwnd       float64
+	TCPHystartTrainDetect     *float64
-	TCPHystartDelayDetect     float64
+	TCPHystartTrainCwnd       *float64
-	TCPHystartDelayCwnd       float64
+	TCPHystartDelayDetect     *float64
-	TCPACKSkippedSynRecv      float64
+	TCPHystartDelayCwnd       *float64
-	TCPACKSkippedPAWS         float64
+	TCPACKSkippedSynRecv      *float64
-	TCPACKSkippedSeq          float64
+	TCPACKSkippedPAWS         *float64
-	TCPACKSkippedFinWait2     float64
+	TCPACKSkippedSeq          *float64
-	TCPACKSkippedTimeWait     float64
+	TCPACKSkippedFinWait2     *float64
-	TCPACKSkippedChallenge    float64
+	TCPACKSkippedTimeWait     *float64
-	TCPWinProbe               float64
+	TCPACKSkippedChallenge    *float64
-	TCPKeepAlive              float64
+	TCPWinProbe               *float64
-	TCPMTUPFail               float64
+	TCPKeepAlive              *float64
-	TCPMTUPSuccess            float64
+	TCPMTUPFail               *float64
-	TCPWqueueTooBig           float64
+	TCPMTUPSuccess            *float64
+	TCPWqueueTooBig           *float64
 }
 
 type IpExt struct { // nolint:revive
-	InNoRoutes      float64
+	InNoRoutes      *float64
-	InTruncatedPkts float64
+	InTruncatedPkts *float64
-	InMcastPkts     float64
+	InMcastPkts     *float64
-	OutMcastPkts    float64
+	OutMcastPkts    *float64
-	InBcastPkts     float64
+	InBcastPkts     *float64
-	OutBcastPkts    float64
+	OutBcastPkts    *float64
-	InOctets        float64
+	InOctets        *float64
-	OutOctets       float64
+	OutOctets       *float64
-	InMcastOctets   float64
+	InMcastOctets   *float64
-	OutMcastOctets  float64
+	OutMcastOctets  *float64
-	InBcastOctets   float64
+	InBcastOctets   *float64
-	OutBcastOctets  float64
+	OutBcastOctets  *float64
-	InCsumErrors    float64
+	InCsumErrors    *float64
-	InNoECTPkts     float64
+	InNoECTPkts     *float64
-	InECT1Pkts      float64
+	InECT1Pkts      *float64
-	InECT0Pkts      float64
+	InECT0Pkts      *float64
-	InCEPkts        float64
+	InCEPkts        *float64
-	ReasmOverlaps   float64
+	ReasmOverlaps   *float64
 }
 
 func (p Proc) Netstat() (ProcNetstat, error) {
@@ -174,14 +175,14 @@ func (p Proc) Netstat() (ProcNetstat, error) {
 	if err != nil {
 		return ProcNetstat{PID: p.PID}, err
 	}
-	procNetstat, err := parseNetstat(bytes.NewReader(data), filename)
+	procNetstat, err := parseProcNetstat(bytes.NewReader(data), filename)
 	procNetstat.PID = p.PID
 	return procNetstat, err
 }
 
-// parseNetstat parses the metrics from proc/<pid>/net/netstat file
+// parseProcNetstat parses the metrics from proc/<pid>/net/netstat file
 // and returns a ProcNetstat structure.
-func parseNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
+func parseProcNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
 	var (
 		scanner     = bufio.NewScanner(r)
 		procNetstat = ProcNetstat{}
@@ -208,230 +209,232 @@ func parseNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
 			case "TcpExt":
 				switch key {
 				case "SyncookiesSent":
-					procNetstat.TcpExt.SyncookiesSent = value
+					procNetstat.TcpExt.SyncookiesSent = &value
 				case "SyncookiesRecv":
-					procNetstat.TcpExt.SyncookiesRecv = value
+					procNetstat.TcpExt.SyncookiesRecv = &value
 				case "SyncookiesFailed":
-					procNetstat.TcpExt.SyncookiesFailed = value
+					procNetstat.TcpExt.SyncookiesFailed = &value
 				case "EmbryonicRsts":
-					procNetstat.TcpExt.EmbryonicRsts = value
+					procNetstat.TcpExt.EmbryonicRsts = &value
 				case "PruneCalled":
-					procNetstat.TcpExt.PruneCalled = value
+					procNetstat.TcpExt.PruneCalled = &value
 				case "RcvPruned":
-					procNetstat.TcpExt.RcvPruned = value
+					procNetstat.TcpExt.RcvPruned = &value
 				case "OfoPruned":
-					procNetstat.TcpExt.OfoPruned = value
+					procNetstat.TcpExt.OfoPruned = &value
 				case "OutOfWindowIcmps":
-					procNetstat.TcpExt.OutOfWindowIcmps = value
+					procNetstat.TcpExt.OutOfWindowIcmps = &value
 				case "LockDroppedIcmps":
-					procNetstat.TcpExt.LockDroppedIcmps = value
+					procNetstat.TcpExt.LockDroppedIcmps = &value
 				case "ArpFilter":
-					procNetstat.TcpExt.ArpFilter = value
+					procNetstat.TcpExt.ArpFilter = &value
 				case "TW":
-					procNetstat.TcpExt.TW = value
+					procNetstat.TcpExt.TW = &value
 				case "TWRecycled":
-					procNetstat.TcpExt.TWRecycled = value
+					procNetstat.TcpExt.TWRecycled = &value
 				case "TWKilled":
-					procNetstat.TcpExt.TWKilled = value
+					procNetstat.TcpExt.TWKilled = &value
 				case "PAWSActive":
-					procNetstat.TcpExt.PAWSActive = value
+					procNetstat.TcpExt.PAWSActive = &value
 				case "PAWSEstab":
-					procNetstat.TcpExt.PAWSEstab = value
+					procNetstat.TcpExt.PAWSEstab = &value
 				case "DelayedACKs":
-					procNetstat.TcpExt.DelayedACKs = value
+					procNetstat.TcpExt.DelayedACKs = &value
 				case "DelayedACKLocked":
-					procNetstat.TcpExt.DelayedACKLocked = value
+					procNetstat.TcpExt.DelayedACKLocked = &value
 				case "DelayedACKLost":
-					procNetstat.TcpExt.DelayedACKLost = value
+					procNetstat.TcpExt.DelayedACKLost = &value
 				case "ListenOverflows":
-					procNetstat.TcpExt.ListenOverflows = value
+					procNetstat.TcpExt.ListenOverflows = &value
 				case "ListenDrops":
-					procNetstat.TcpExt.ListenDrops = value
+					procNetstat.TcpExt.ListenDrops = &value
 				case "TCPHPHits":
-					procNetstat.TcpExt.TCPHPHits = value
+					procNetstat.TcpExt.TCPHPHits = &value
 				case "TCPPureAcks":
-					procNetstat.TcpExt.TCPPureAcks = value
+					procNetstat.TcpExt.TCPPureAcks = &value
 				case "TCPHPAcks":
-					procNetstat.TcpExt.TCPHPAcks = value
+					procNetstat.TcpExt.TCPHPAcks = &value
 				case "TCPRenoRecovery":
-					procNetstat.TcpExt.TCPRenoRecovery = value
+					procNetstat.TcpExt.TCPRenoRecovery = &value
 				case "TCPSackRecovery":
-					procNetstat.TcpExt.TCPSackRecovery = value
+					procNetstat.TcpExt.TCPSackRecovery = &value
 				case "TCPSACKReneging":
-					procNetstat.TcpExt.TCPSACKReneging = value
+					procNetstat.TcpExt.TCPSACKReneging = &value
 				case "TCPSACKReorder":
-					procNetstat.TcpExt.TCPSACKReorder = value
+					procNetstat.TcpExt.TCPSACKReorder = &value
 				case "TCPRenoReorder":
-					procNetstat.TcpExt.TCPRenoReorder = value
+					procNetstat.TcpExt.TCPRenoReorder = &value
 				case "TCPTSReorder":
-					procNetstat.TcpExt.TCPTSReorder = value
+					procNetstat.TcpExt.TCPTSReorder = &value
 				case "TCPFullUndo":
-					procNetstat.TcpExt.TCPFullUndo = value
+					procNetstat.TcpExt.TCPFullUndo = &value
 				case "TCPPartialUndo":
-					procNetstat.TcpExt.TCPPartialUndo = value
+					procNetstat.TcpExt.TCPPartialUndo = &value
 				case "TCPDSACKUndo":
-					procNetstat.TcpExt.TCPDSACKUndo = value
+					procNetstat.TcpExt.TCPDSACKUndo = &value
 				case "TCPLossUndo":
-					procNetstat.TcpExt.TCPLossUndo = value
+					procNetstat.TcpExt.TCPLossUndo = &value
 				case "TCPLostRetransmit":
-					procNetstat.TcpExt.TCPLostRetransmit = value
+					procNetstat.TcpExt.TCPLostRetransmit = &value
 				case "TCPRenoFailures":
-					procNetstat.TcpExt.TCPRenoFailures = value
+					procNetstat.TcpExt.TCPRenoFailures = &value
 				case "TCPSackFailures":
-					procNetstat.TcpExt.TCPSackFailures = value
+					procNetstat.TcpExt.TCPSackFailures = &value
 				case "TCPLossFailures":
-					procNetstat.TcpExt.TCPLossFailures = value
+					procNetstat.TcpExt.TCPLossFailures = &value
 				case "TCPFastRetrans":
-					procNetstat.TcpExt.TCPFastRetrans = value
+					procNetstat.TcpExt.TCPFastRetrans = &value
 				case "TCPSlowStartRetrans":
-					procNetstat.TcpExt.TCPSlowStartRetrans = value
+					procNetstat.TcpExt.TCPSlowStartRetrans = &value
 				case "TCPTimeouts":
-					procNetstat.TcpExt.TCPTimeouts = value
+					procNetstat.TcpExt.TCPTimeouts = &value
 				case "TCPLossProbes":
-					procNetstat.TcpExt.TCPLossProbes = value
+					procNetstat.TcpExt.TCPLossProbes = &value
 				case "TCPLossProbeRecovery":
-					procNetstat.TcpExt.TCPLossProbeRecovery = value
+					procNetstat.TcpExt.TCPLossProbeRecovery = &value
 				case "TCPRenoRecoveryFail":
-					procNetstat.TcpExt.TCPRenoRecoveryFail = value
+					procNetstat.TcpExt.TCPRenoRecoveryFail = &value
 				case "TCPSackRecoveryFail":
-					procNetstat.TcpExt.TCPSackRecoveryFail = value
+					procNetstat.TcpExt.TCPSackRecoveryFail = &value
 				case "TCPRcvCollapsed":
-					procNetstat.TcpExt.TCPRcvCollapsed = value
+					procNetstat.TcpExt.TCPRcvCollapsed = &value
 				case "TCPDSACKOldSent":
-					procNetstat.TcpExt.TCPDSACKOldSent = value
+					procNetstat.TcpExt.TCPDSACKOldSent = &value
 				case "TCPDSACKOfoSent":
-					procNetstat.TcpExt.TCPDSACKOfoSent = value
+					procNetstat.TcpExt.TCPDSACKOfoSent = &value
 				case "TCPDSACKRecv":
-					procNetstat.TcpExt.TCPDSACKRecv = value
+					procNetstat.TcpExt.TCPDSACKRecv = &value
 				case "TCPDSACKOfoRecv":
-					procNetstat.TcpExt.TCPDSACKOfoRecv = value
+					procNetstat.TcpExt.TCPDSACKOfoRecv = &value
 				case "TCPAbortOnData":
-					procNetstat.TcpExt.TCPAbortOnData = value
+					procNetstat.TcpExt.TCPAbortOnData = &value
 				case "TCPAbortOnClose":
-					procNetstat.TcpExt.TCPAbortOnClose = value
+					procNetstat.TcpExt.TCPAbortOnClose = &value
 				case "TCPDeferAcceptDrop":
-					procNetstat.TcpExt.TCPDeferAcceptDrop = value
+					procNetstat.TcpExt.TCPDeferAcceptDrop = &value
 				case "IPReversePathFilter":
-					procNetstat.TcpExt.IPReversePathFilter = value
+					procNetstat.TcpExt.IPReversePathFilter = &value
 				case "TCPTimeWaitOverflow":
-					procNetstat.TcpExt.TCPTimeWaitOverflow = value
+					procNetstat.TcpExt.TCPTimeWaitOverflow = &value
 				case "TCPReqQFullDoCookies":
-					procNetstat.TcpExt.TCPReqQFullDoCookies = value
+					procNetstat.TcpExt.TCPReqQFullDoCookies = &value
 				case "TCPReqQFullDrop":
-					procNetstat.TcpExt.TCPReqQFullDrop = value
+					procNetstat.TcpExt.TCPReqQFullDrop = &value
 				case "TCPRetransFail":
-					procNetstat.TcpExt.TCPRetransFail = value
+					procNetstat.TcpExt.TCPRetransFail = &value
 				case "TCPRcvCoalesce":
-					procNetstat.TcpExt.TCPRcvCoalesce = value
+					procNetstat.TcpExt.TCPRcvCoalesce = &value
+				case "TCPRcvQDrop":
+					procNetstat.TcpExt.TCPRcvQDrop = &value
 				case "TCPOFOQueue":
-					procNetstat.TcpExt.TCPOFOQueue = value
+					procNetstat.TcpExt.TCPOFOQueue = &value
 				case "TCPOFODrop":
-					procNetstat.TcpExt.TCPOFODrop = value
+					procNetstat.TcpExt.TCPOFODrop = &value
 				case "TCPOFOMerge":
-					procNetstat.TcpExt.TCPOFOMerge = value
+					procNetstat.TcpExt.TCPOFOMerge = &value
 				case "TCPChallengeACK":
-					procNetstat.TcpExt.TCPChallengeACK = value
+					procNetstat.TcpExt.TCPChallengeACK = &value
 				case "TCPSYNChallenge":
-					procNetstat.TcpExt.TCPSYNChallenge = value
+					procNetstat.TcpExt.TCPSYNChallenge = &value
 				case "TCPFastOpenActive":
-					procNetstat.TcpExt.TCPFastOpenActive = value
+					procNetstat.TcpExt.TCPFastOpenActive = &value
 				case "TCPFastOpenActiveFail":
-					procNetstat.TcpExt.TCPFastOpenActiveFail = value
+					procNetstat.TcpExt.TCPFastOpenActiveFail = &value
 				case "TCPFastOpenPassive":
-					procNetstat.TcpExt.TCPFastOpenPassive = value
+					procNetstat.TcpExt.TCPFastOpenPassive = &value
 				case "TCPFastOpenPassiveFail":
-					procNetstat.TcpExt.TCPFastOpenPassiveFail = value
+					procNetstat.TcpExt.TCPFastOpenPassiveFail = &value
 				case "TCPFastOpenListenOverflow":
-					procNetstat.TcpExt.TCPFastOpenListenOverflow = value
+					procNetstat.TcpExt.TCPFastOpenListenOverflow = &value
 				case "TCPFastOpenCookieReqd":
-					procNetstat.TcpExt.TCPFastOpenCookieReqd = value
+					procNetstat.TcpExt.TCPFastOpenCookieReqd = &value
 				case "TCPFastOpenBlackhole":
-					procNetstat.TcpExt.TCPFastOpenBlackhole = value
+					procNetstat.TcpExt.TCPFastOpenBlackhole = &value
 				case "TCPSpuriousRtxHostQueues":
-					procNetstat.TcpExt.TCPSpuriousRtxHostQueues = value
+					procNetstat.TcpExt.TCPSpuriousRtxHostQueues = &value
 				case "BusyPollRxPackets":
-					procNetstat.TcpExt.BusyPollRxPackets = value
+					procNetstat.TcpExt.BusyPollRxPackets = &value
 				case "TCPAutoCorking":
-					procNetstat.TcpExt.TCPAutoCorking = value
+					procNetstat.TcpExt.TCPAutoCorking = &value
 				case "TCPFromZeroWindowAdv":
-					procNetstat.TcpExt.TCPFromZeroWindowAdv = value
+					procNetstat.TcpExt.TCPFromZeroWindowAdv = &value
 				case "TCPToZeroWindowAdv":
-					procNetstat.TcpExt.TCPToZeroWindowAdv = value
+					procNetstat.TcpExt.TCPToZeroWindowAdv = &value
 				case "TCPWantZeroWindowAdv":
-					procNetstat.TcpExt.TCPWantZeroWindowAdv = value
+					procNetstat.TcpExt.TCPWantZeroWindowAdv = &value
 				case "TCPSynRetrans":
-					procNetstat.TcpExt.TCPSynRetrans = value
+					procNetstat.TcpExt.TCPSynRetrans = &value
 				case "TCPOrigDataSent":
-					procNetstat.TcpExt.TCPOrigDataSent = value
+					procNetstat.TcpExt.TCPOrigDataSent = &value
 				case "TCPHystartTrainDetect":
-					procNetstat.TcpExt.TCPHystartTrainDetect = value
+					procNetstat.TcpExt.TCPHystartTrainDetect = &value
 				case "TCPHystartTrainCwnd":
-					procNetstat.TcpExt.TCPHystartTrainCwnd = value
+					procNetstat.TcpExt.TCPHystartTrainCwnd = &value
 				case "TCPHystartDelayDetect":
-					procNetstat.TcpExt.TCPHystartDelayDetect = value
+					procNetstat.TcpExt.TCPHystartDelayDetect = &value
 				case "TCPHystartDelayCwnd":
-					procNetstat.TcpExt.TCPHystartDelayCwnd = value
+					procNetstat.TcpExt.TCPHystartDelayCwnd = &value
 				case "TCPACKSkippedSynRecv":
-					procNetstat.TcpExt.TCPACKSkippedSynRecv = value
+					procNetstat.TcpExt.TCPACKSkippedSynRecv = &value
 				case "TCPACKSkippedPAWS":
-					procNetstat.TcpExt.TCPACKSkippedPAWS = value
+					procNetstat.TcpExt.TCPACKSkippedPAWS = &value
 				case "TCPACKSkippedSeq":
-					procNetstat.TcpExt.TCPACKSkippedSeq = value
+					procNetstat.TcpExt.TCPACKSkippedSeq = &value
 				case "TCPACKSkippedFinWait2":
-					procNetstat.TcpExt.TCPACKSkippedFinWait2 = value
+					procNetstat.TcpExt.TCPACKSkippedFinWait2 = &value
 				case "TCPACKSkippedTimeWait":
-					procNetstat.TcpExt.TCPACKSkippedTimeWait = value
+					procNetstat.TcpExt.TCPACKSkippedTimeWait = &value
 				case "TCPACKSkippedChallenge":
-					procNetstat.TcpExt.TCPACKSkippedChallenge = value
+					procNetstat.TcpExt.TCPACKSkippedChallenge = &value
 				case "TCPWinProbe":
-					procNetstat.TcpExt.TCPWinProbe = value
+					procNetstat.TcpExt.TCPWinProbe = &value
 				case "TCPKeepAlive":
-					procNetstat.TcpExt.TCPKeepAlive = value
+					procNetstat.TcpExt.TCPKeepAlive = &value
 				case "TCPMTUPFail":
-					procNetstat.TcpExt.TCPMTUPFail = value
+					procNetstat.TcpExt.TCPMTUPFail = &value
 				case "TCPMTUPSuccess":
-					procNetstat.TcpExt.TCPMTUPSuccess = value
+					procNetstat.TcpExt.TCPMTUPSuccess = &value
 				case "TCPWqueueTooBig":
-					procNetstat.TcpExt.TCPWqueueTooBig = value
+					procNetstat.TcpExt.TCPWqueueTooBig = &value
 				}
 			case "IpExt":
 				switch key {
 				case "InNoRoutes":
-					procNetstat.IpExt.InNoRoutes = value
+					procNetstat.IpExt.InNoRoutes = &value
 				case "InTruncatedPkts":
-					procNetstat.IpExt.InTruncatedPkts = value
+					procNetstat.IpExt.InTruncatedPkts = &value
 				case "InMcastPkts":
-					procNetstat.IpExt.InMcastPkts = value
+					procNetstat.IpExt.InMcastPkts = &value
 				case "OutMcastPkts":
-					procNetstat.IpExt.OutMcastPkts = value
+					procNetstat.IpExt.OutMcastPkts = &value
 				case "InBcastPkts":
-					procNetstat.IpExt.InBcastPkts = value
+					procNetstat.IpExt.InBcastPkts = &value
 				case "OutBcastPkts":
-					procNetstat.IpExt.OutBcastPkts = value
+					procNetstat.IpExt.OutBcastPkts = &value
 				case "InOctets":
-					procNetstat.IpExt.InOctets = value
+					procNetstat.IpExt.InOctets = &value
 				case "OutOctets":
-					procNetstat.IpExt.OutOctets = value
+					procNetstat.IpExt.OutOctets = &value
 				case "InMcastOctets":
-					procNetstat.IpExt.InMcastOctets = value
+					procNetstat.IpExt.InMcastOctets = &value
 				case "OutMcastOctets":
-					procNetstat.IpExt.OutMcastOctets = value
+					procNetstat.IpExt.OutMcastOctets = &value
 				case "InBcastOctets":
-					procNetstat.IpExt.InBcastOctets = value
+					procNetstat.IpExt.InBcastOctets = &value
 				case "OutBcastOctets":
-					procNetstat.IpExt.OutBcastOctets = value
+					procNetstat.IpExt.OutBcastOctets = &value
 				case "InCsumErrors":
-					procNetstat.IpExt.InCsumErrors = value
+					procNetstat.IpExt.InCsumErrors = &value
 				case "InNoECTPkts":
-					procNetstat.IpExt.InNoECTPkts = value
+					procNetstat.IpExt.InNoECTPkts = &value
 				case "InECT1Pkts":
-					procNetstat.IpExt.InECT1Pkts = value
+					procNetstat.IpExt.InECT1Pkts = &value
 				case "InECT0Pkts":
-					procNetstat.IpExt.InECT0Pkts = value
+					procNetstat.IpExt.InECT0Pkts = &value
 				case "InCEPkts":
-					procNetstat.IpExt.InCEPkts = value
+					procNetstat.IpExt.InCEPkts = &value
 				case "ReasmOverlaps":
-					procNetstat.IpExt.ReasmOverlaps = value
+					procNetstat.IpExt.ReasmOverlaps = &value
 				}
 			}
 		}

vendor/github.com/prometheus/procfs/proc_snmp.go

@@ -37,100 +37,100 @@ type ProcSnmp struct {
 }
 
 type Ip struct { // nolint:revive
-	Forwarding      float64
+	Forwarding      *float64
-	DefaultTTL      float64
+	DefaultTTL      *float64
-	InReceives      float64
+	InReceives      *float64
-	InHdrErrors     float64
+	InHdrErrors     *float64
-	InAddrErrors    float64
+	InAddrErrors    *float64
-	ForwDatagrams   float64
+	ForwDatagrams   *float64
-	InUnknownProtos float64
+	InUnknownProtos *float64
-	InDiscards      float64
+	InDiscards      *float64
-	InDelivers      float64
+	InDelivers      *float64
-	OutRequests     float64
+	OutRequests     *float64
-	OutDiscards     float64
+	OutDiscards     *float64
-	OutNoRoutes     float64
+	OutNoRoutes     *float64
-	ReasmTimeout    float64
+	ReasmTimeout    *float64
-	ReasmReqds      float64
+	ReasmReqds      *float64
-	ReasmOKs        float64
+	ReasmOKs        *float64
-	ReasmFails      float64
+	ReasmFails      *float64
-	FragOKs         float64
+	FragOKs         *float64
-	FragFails       float64
+	FragFails       *float64
-	FragCreates     float64
+	FragCreates     *float64
 }
 
-type Icmp struct {
+type Icmp struct { // nolint:revive
-	InMsgs           float64
+	InMsgs           *float64
-	InErrors         float64
+	InErrors         *float64
-	InCsumErrors     float64
+	InCsumErrors     *float64
-	InDestUnreachs   float64
+	InDestUnreachs   *float64
-	InTimeExcds      float64
+	InTimeExcds      *float64
-	InParmProbs      float64
+	InParmProbs      *float64
-	InSrcQuenchs     float64
+	InSrcQuenchs     *float64
-	InRedirects      float64
+	InRedirects      *float64
-	InEchos          float64
+	InEchos          *float64
-	InEchoReps       float64
+	InEchoReps       *float64
-	InTimestamps     float64
+	InTimestamps     *float64
-	InTimestampReps  float64
+	InTimestampReps  *float64
-	InAddrMasks      float64
+	InAddrMasks      *float64
-	InAddrMaskReps   float64
+	InAddrMaskReps   *float64
-	OutMsgs          float64
+	OutMsgs          *float64
-	OutErrors        float64
+	OutErrors        *float64
-	OutDestUnreachs  float64
+	OutDestUnreachs  *float64
-	OutTimeExcds     float64
+	OutTimeExcds     *float64
-	OutParmProbs     float64
+	OutParmProbs     *float64
-	OutSrcQuenchs    float64
+	OutSrcQuenchs    *float64
-	OutRedirects     float64
+	OutRedirects     *float64
-	OutEchos         float64
+	OutEchos         *float64
-	OutEchoReps      float64
+	OutEchoReps      *float64
-	OutTimestamps    float64
+	OutTimestamps    *float64
-	OutTimestampReps float64
+	OutTimestampReps *float64
-	OutAddrMasks     float64
+	OutAddrMasks     *float64
-	OutAddrMaskReps  float64
+	OutAddrMaskReps  *float64
 }
 
 type IcmpMsg struct {
-	InType3  float64
+	InType3  *float64
-	OutType3 float64
+	OutType3 *float64
 }
 
 type Tcp struct { // nolint:revive
-	RtoAlgorithm float64
+	RtoAlgorithm *float64
-	RtoMin       float64
+	RtoMin       *float64
-	RtoMax       float64
+	RtoMax       *float64
-	MaxConn      float64
+	MaxConn      *float64
-	ActiveOpens  float64
+	ActiveOpens  *float64
-	PassiveOpens float64
+	PassiveOpens *float64
-	AttemptFails float64
+	AttemptFails *float64
-	EstabResets  float64
+	EstabResets  *float64
-	CurrEstab    float64
+	CurrEstab    *float64
-	InSegs       float64
+	InSegs       *float64
-	OutSegs      float64
+	OutSegs      *float64
-	RetransSegs  float64
+	RetransSegs  *float64
-	InErrs       float64
+	InErrs       *float64
-	OutRsts      float64
+	OutRsts      *float64
-	InCsumErrors float64
+	InCsumErrors *float64
 }
 
 type Udp struct { // nolint:revive
-	InDatagrams  float64
+	InDatagrams  *float64
-	NoPorts      float64
+	NoPorts      *float64
-	InErrors     float64
+	InErrors     *float64
-	OutDatagrams float64
+	OutDatagrams *float64
-	RcvbufErrors float64
+	RcvbufErrors *float64
-	SndbufErrors float64
+	SndbufErrors *float64
-	InCsumErrors float64
+	InCsumErrors *float64
-	IgnoredMulti float64
+	IgnoredMulti *float64
 }
 
 type UdpLite struct { // nolint:revive
-	InDatagrams  float64
+	InDatagrams  *float64
-	NoPorts      float64
+	NoPorts      *float64
-	InErrors     float64
+	InErrors     *float64
-	OutDatagrams float64
+	OutDatagrams *float64
-	RcvbufErrors float64
+	RcvbufErrors *float64
-	SndbufErrors float64
+	SndbufErrors *float64
-	InCsumErrors float64
+	InCsumErrors *float64
-	IgnoredMulti float64
+	IgnoredMulti *float64
 }
 
 func (p Proc) Snmp() (ProcSnmp, error) {
@@ -173,178 +173,178 @@ func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) {
 			case "Ip":
 				switch key {
 				case "Forwarding":
-					procSnmp.Ip.Forwarding = value
+					procSnmp.Ip.Forwarding = &value
 				case "DefaultTTL":
-					procSnmp.Ip.DefaultTTL = value
+					procSnmp.Ip.DefaultTTL = &value
 				case "InReceives":
-					procSnmp.Ip.InReceives = value
+					procSnmp.Ip.InReceives = &value
 				case "InHdrErrors":
-					procSnmp.Ip.InHdrErrors = value
+					procSnmp.Ip.InHdrErrors = &value
 				case "InAddrErrors":
-					procSnmp.Ip.InAddrErrors = value
+					procSnmp.Ip.InAddrErrors = &value
 				case "ForwDatagrams":
-					procSnmp.Ip.ForwDatagrams = value
+					procSnmp.Ip.ForwDatagrams = &value
 				case "InUnknownProtos":
-					procSnmp.Ip.InUnknownProtos = value
+					procSnmp.Ip.InUnknownProtos = &value
 				case "InDiscards":
-					procSnmp.Ip.InDiscards = value
+					procSnmp.Ip.InDiscards = &value
 				case "InDelivers":
-					procSnmp.Ip.InDelivers = value
+					procSnmp.Ip.InDelivers = &value
 				case "OutRequests":
-					procSnmp.Ip.OutRequests = value
+					procSnmp.Ip.OutRequests = &value
 				case "OutDiscards":
-					procSnmp.Ip.OutDiscards = value
+					procSnmp.Ip.OutDiscards = &value
 				case "OutNoRoutes":
-					procSnmp.Ip.OutNoRoutes = value
+					procSnmp.Ip.OutNoRoutes = &value
 				case "ReasmTimeout":
-					procSnmp.Ip.ReasmTimeout = value
+					procSnmp.Ip.ReasmTimeout = &value
 				case "ReasmReqds":
-					procSnmp.Ip.ReasmReqds = value
+					procSnmp.Ip.ReasmReqds = &value
 				case "ReasmOKs":
-					procSnmp.Ip.ReasmOKs = value
+					procSnmp.Ip.ReasmOKs = &value
 				case "ReasmFails":
-					procSnmp.Ip.ReasmFails = value
+					procSnmp.Ip.ReasmFails = &value
 				case "FragOKs":
-					procSnmp.Ip.FragOKs = value
+					procSnmp.Ip.FragOKs = &value
 				case "FragFails":
-					procSnmp.Ip.FragFails = value
+					procSnmp.Ip.FragFails = &value
 				case "FragCreates":
-					procSnmp.Ip.FragCreates = value
+					procSnmp.Ip.FragCreates = &value
 				}
 			case "Icmp":
 				switch key {
 				case "InMsgs":
-					procSnmp.Icmp.InMsgs = value
+					procSnmp.Icmp.InMsgs = &value
 				case "InErrors":
-					procSnmp.Icmp.InErrors = value
+					procSnmp.Icmp.InErrors = &value
 				case "InCsumErrors":
-					procSnmp.Icmp.InCsumErrors = value
+					procSnmp.Icmp.InCsumErrors = &value
 				case "InDestUnreachs":
-					procSnmp.Icmp.InDestUnreachs = value
+					procSnmp.Icmp.InDestUnreachs = &value
 				case "InTimeExcds":
-					procSnmp.Icmp.InTimeExcds = value
+					procSnmp.Icmp.InTimeExcds = &value
 				case "InParmProbs":
-					procSnmp.Icmp.InParmProbs = value
+					procSnmp.Icmp.InParmProbs = &value
 				case "InSrcQuenchs":
-					procSnmp.Icmp.InSrcQuenchs = value
+					procSnmp.Icmp.InSrcQuenchs = &value
 				case "InRedirects":
-					procSnmp.Icmp.InRedirects = value
+					procSnmp.Icmp.InRedirects = &value
 				case "InEchos":
-					procSnmp.Icmp.InEchos = value
+					procSnmp.Icmp.InEchos = &value
 				case "InEchoReps":
-					procSnmp.Icmp.InEchoReps = value
+					procSnmp.Icmp.InEchoReps = &value
 				case "InTimestamps":
-					procSnmp.Icmp.InTimestamps = value
+					procSnmp.Icmp.InTimestamps = &value
 				case "InTimestampReps":
-					procSnmp.Icmp.InTimestampReps = value
+					procSnmp.Icmp.InTimestampReps = &value
 				case "InAddrMasks":
-					procSnmp.Icmp.InAddrMasks = value
+					procSnmp.Icmp.InAddrMasks = &value
 				case "InAddrMaskReps":
-					procSnmp.Icmp.InAddrMaskReps = value
+					procSnmp.Icmp.InAddrMaskReps = &value
 				case "OutMsgs":
-					procSnmp.Icmp.OutMsgs = value
+					procSnmp.Icmp.OutMsgs = &value
 				case "OutErrors":
-					procSnmp.Icmp.OutErrors = value
+					procSnmp.Icmp.OutErrors = &value
 				case "OutDestUnreachs":
-					procSnmp.Icmp.OutDestUnreachs = value
+					procSnmp.Icmp.OutDestUnreachs = &value
 				case "OutTimeExcds":
-					procSnmp.Icmp.OutTimeExcds = value
+					procSnmp.Icmp.OutTimeExcds = &value
 				case "OutParmProbs":
-					procSnmp.Icmp.OutParmProbs = value
+					procSnmp.Icmp.OutParmProbs = &value
 				case "OutSrcQuenchs":
-					procSnmp.Icmp.OutSrcQuenchs = value
+					procSnmp.Icmp.OutSrcQuenchs = &value
 				case "OutRedirects":
-					procSnmp.Icmp.OutRedirects = value
+					procSnmp.Icmp.OutRedirects = &value
 				case "OutEchos":
-					procSnmp.Icmp.OutEchos = value
+					procSnmp.Icmp.OutEchos = &value
 				case "OutEchoReps":
-					procSnmp.Icmp.OutEchoReps = value
+					procSnmp.Icmp.OutEchoReps = &value
 				case "OutTimestamps":
-					procSnmp.Icmp.OutTimestamps = value
+					procSnmp.Icmp.OutTimestamps = &value
 				case "OutTimestampReps":
-					procSnmp.Icmp.OutTimestampReps = value
+					procSnmp.Icmp.OutTimestampReps = &value
 				case "OutAddrMasks":
-					procSnmp.Icmp.OutAddrMasks = value
+					procSnmp.Icmp.OutAddrMasks = &value
 				case "OutAddrMaskReps":
-					procSnmp.Icmp.OutAddrMaskReps = value
+					procSnmp.Icmp.OutAddrMaskReps = &value
 				}
 			case "IcmpMsg":
 				switch key {
 				case "InType3":
-					procSnmp.IcmpMsg.InType3 = value
+					procSnmp.IcmpMsg.InType3 = &value
 				case "OutType3":
-					procSnmp.IcmpMsg.OutType3 = value
+					procSnmp.IcmpMsg.OutType3 = &value
 				}
 			case "Tcp":
 				switch key {
 				case "RtoAlgorithm":
-					procSnmp.Tcp.RtoAlgorithm = value
+					procSnmp.Tcp.RtoAlgorithm = &value
 				case "RtoMin":
-					procSnmp.Tcp.RtoMin = value
+					procSnmp.Tcp.RtoMin = &value
 				case "RtoMax":
-					procSnmp.Tcp.RtoMax = value
+					procSnmp.Tcp.RtoMax = &value
 				case "MaxConn":
-					procSnmp.Tcp.MaxConn = value
+					procSnmp.Tcp.MaxConn = &value
 				case "ActiveOpens":
-					procSnmp.Tcp.ActiveOpens = value
+					procSnmp.Tcp.ActiveOpens = &value
 				case "PassiveOpens":
-					procSnmp.Tcp.PassiveOpens = value
+					procSnmp.Tcp.PassiveOpens = &value
 				case "AttemptFails":
-					procSnmp.Tcp.AttemptFails = value
+					procSnmp.Tcp.AttemptFails = &value
 				case "EstabResets":
-					procSnmp.Tcp.EstabResets = value
+					procSnmp.Tcp.EstabResets = &value
 				case "CurrEstab":
-					procSnmp.Tcp.CurrEstab = value
+					procSnmp.Tcp.CurrEstab = &value
 				case "InSegs":
-					procSnmp.Tcp.InSegs = value
+					procSnmp.Tcp.InSegs = &value
 				case "OutSegs":
-					procSnmp.Tcp.OutSegs = value
+					procSnmp.Tcp.OutSegs = &value
 				case "RetransSegs":
-					procSnmp.Tcp.RetransSegs = value
+					procSnmp.Tcp.RetransSegs = &value
 				case "InErrs":
-					procSnmp.Tcp.InErrs = value
+					procSnmp.Tcp.InErrs = &value
 				case "OutRsts":
-					procSnmp.Tcp.OutRsts = value
+					procSnmp.Tcp.OutRsts = &value
 				case "InCsumErrors":
-					procSnmp.Tcp.InCsumErrors = value
+					procSnmp.Tcp.InCsumErrors = &value
 				}
 			case "Udp":
 				switch key {
 				case "InDatagrams":
-					procSnmp.Udp.InDatagrams = value
+					procSnmp.Udp.InDatagrams = &value
 				case "NoPorts":
-					procSnmp.Udp.NoPorts = value
+					procSnmp.Udp.NoPorts = &value
 				case "InErrors":
-					procSnmp.Udp.InErrors = value
+					procSnmp.Udp.InErrors = &value
 				case "OutDatagrams":
-					procSnmp.Udp.OutDatagrams = value
+					procSnmp.Udp.OutDatagrams = &value
 				case "RcvbufErrors":
-					procSnmp.Udp.RcvbufErrors = value
+					procSnmp.Udp.RcvbufErrors = &value
 				case "SndbufErrors":
-					procSnmp.Udp.SndbufErrors = value
+					procSnmp.Udp.SndbufErrors = &value
 				case "InCsumErrors":
-					procSnmp.Udp.InCsumErrors = value
+					procSnmp.Udp.InCsumErrors = &value
 				case "IgnoredMulti":
-					procSnmp.Udp.IgnoredMulti = value
+					procSnmp.Udp.IgnoredMulti = &value
 				}
 			case "UdpLite":
 				switch key {
 				case "InDatagrams":
-					procSnmp.UdpLite.InDatagrams = value
+					procSnmp.UdpLite.InDatagrams = &value
 				case "NoPorts":
-					procSnmp.UdpLite.NoPorts = value
+					procSnmp.UdpLite.NoPorts = &value
 				case "InErrors":
-					procSnmp.UdpLite.InErrors = value
+					procSnmp.UdpLite.InErrors = &value
 				case "OutDatagrams":
-					procSnmp.UdpLite.OutDatagrams = value
+					procSnmp.UdpLite.OutDatagrams = &value
 				case "RcvbufErrors":
-					procSnmp.UdpLite.RcvbufErrors = value
+					procSnmp.UdpLite.RcvbufErrors = &value
 				case "SndbufErrors":
-					procSnmp.UdpLite.SndbufErrors = value
+					procSnmp.UdpLite.SndbufErrors = &value
 				case "InCsumErrors":
-					procSnmp.UdpLite.InCsumErrors = value
+					procSnmp.UdpLite.InCsumErrors = &value
 				case "IgnoredMulti":
-					procSnmp.UdpLite.IgnoredMulti = value
+					procSnmp.UdpLite.IgnoredMulti = &value
 				}
 			}
 		}

vendor/github.com/prometheus/procfs/proc_snmp6.go

@@ -36,106 +36,106 @@ type ProcSnmp6 struct {
 }
 
 type Ip6 struct { // nolint:revive
-	InReceives       float64
+	InReceives       *float64
-	InHdrErrors      float64
+	InHdrErrors      *float64
-	InTooBigErrors   float64
+	InTooBigErrors   *float64
-	InNoRoutes       float64
+	InNoRoutes       *float64
-	InAddrErrors     float64
+	InAddrErrors     *float64
-	InUnknownProtos  float64
+	InUnknownProtos  *float64
-	InTruncatedPkts  float64
+	InTruncatedPkts  *float64
-	InDiscards       float64
+	InDiscards       *float64
-	InDelivers       float64
+	InDelivers       *float64
-	OutForwDatagrams float64
+	OutForwDatagrams *float64
-	OutRequests      float64
+	OutRequests      *float64
-	OutDiscards      float64
+	OutDiscards      *float64
-	OutNoRoutes      float64
+	OutNoRoutes      *float64
-	ReasmTimeout     float64
+	ReasmTimeout     *float64
-	ReasmReqds       float64
+	ReasmReqds       *float64
-	ReasmOKs         float64
+	ReasmOKs         *float64
-	ReasmFails       float64
+	ReasmFails       *float64
-	FragOKs          float64
+	FragOKs          *float64
-	FragFails        float64
+	FragFails        *float64
-	FragCreates      float64
+	FragCreates      *float64
-	InMcastPkts      float64
+	InMcastPkts      *float64
-	OutMcastPkts     float64
+	OutMcastPkts     *float64
-	InOctets         float64
+	InOctets         *float64
-	OutOctets        float64
+	OutOctets        *float64
-	InMcastOctets    float64
+	InMcastOctets    *float64
-	OutMcastOctets   float64
+	OutMcastOctets   *float64
-	InBcastOctets    float64
+	InBcastOctets    *float64
-	OutBcastOctets   float64
+	OutBcastOctets   *float64
-	InNoECTPkts      float64
+	InNoECTPkts      *float64
-	InECT1Pkts       float64
+	InECT1Pkts       *float64
-	InECT0Pkts       float64
+	InECT0Pkts       *float64
-	InCEPkts         float64
+	InCEPkts         *float64
 }
 
 type Icmp6 struct {
-	InMsgs                    float64
+	InMsgs                    *float64
-	InErrors                  float64
+	InErrors                  *float64
-	OutMsgs                   float64
+	OutMsgs                   *float64
-	OutErrors                 float64
+	OutErrors                 *float64
-	InCsumErrors              float64
+	InCsumErrors              *float64
-	InDestUnreachs            float64
+	InDestUnreachs            *float64
-	InPktTooBigs              float64
+	InPktTooBigs              *float64
-	InTimeExcds               float64
+	InTimeExcds               *float64
-	InParmProblems            float64
+	InParmProblems            *float64
-	InEchos                   float64
+	InEchos                   *float64
-	InEchoReplies             float64
+	InEchoReplies             *float64
-	InGroupMembQueries        float64
+	InGroupMembQueries        *float64
-	InGroupMembResponses      float64
+	InGroupMembResponses      *float64
-	InGroupMembReductions     float64
+	InGroupMembReductions     *float64
-	InRouterSolicits          float64
+	InRouterSolicits          *float64
-	InRouterAdvertisements    float64
+	InRouterAdvertisements    *float64
-	InNeighborSolicits        float64
+	InNeighborSolicits        *float64
-	InNeighborAdvertisements  float64
+	InNeighborAdvertisements  *float64
-	InRedirects               float64
+	InRedirects               *float64
-	InMLDv2Reports            float64
+	InMLDv2Reports            *float64
-	OutDestUnreachs           float64
+	OutDestUnreachs           *float64
-	OutPktTooBigs             float64
+	OutPktTooBigs             *float64
-	OutTimeExcds              float64
+	OutTimeExcds              *float64
-	OutParmProblems           float64
+	OutParmProblems           *float64
-	OutEchos                  float64
+	OutEchos                  *float64
-	OutEchoReplies            float64
+	OutEchoReplies            *float64
-	OutGroupMembQueries       float64
+	OutGroupMembQueries       *float64
-	OutGroupMembResponses     float64
+	OutGroupMembResponses     *float64
-	OutGroupMembReductions    float64
+	OutGroupMembReductions    *float64
-	OutRouterSolicits         float64
+	OutRouterSolicits         *float64
-	OutRouterAdvertisements   float64
+	OutRouterAdvertisements   *float64
-	OutNeighborSolicits       float64
+	OutNeighborSolicits       *float64
-	OutNeighborAdvertisements float64
+	OutNeighborAdvertisements *float64
-	OutRedirects              float64
+	OutRedirects              *float64
-	OutMLDv2Reports           float64
+	OutMLDv2Reports           *float64
-	InType1                   float64
+	InType1                   *float64
-	InType134                 float64
+	InType134                 *float64
-	InType135                 float64
+	InType135                 *float64
-	InType136                 float64
+	InType136                 *float64
-	InType143                 float64
+	InType143                 *float64
-	OutType133                float64
+	OutType133                *float64
-	OutType135                float64
+	OutType135                *float64
-	OutType136                float64
+	OutType136                *float64
-	OutType143                float64
+	OutType143                *float64
 }
 
 type Udp6 struct { // nolint:revive
-	InDatagrams  float64
+	InDatagrams  *float64
-	NoPorts      float64
+	NoPorts      *float64
-	InErrors     float64
+	InErrors     *float64
-	OutDatagrams float64
+	OutDatagrams *float64
-	RcvbufErrors float64
+	RcvbufErrors *float64
-	SndbufErrors float64
+	SndbufErrors *float64
-	InCsumErrors float64
+	InCsumErrors *float64
-	IgnoredMulti float64
+	IgnoredMulti *float64
 }
 
 type UdpLite6 struct { // nolint:revive
-	InDatagrams  float64
+	InDatagrams  *float64
-	NoPorts      float64
+	NoPorts      *float64
-	InErrors     float64
+	InErrors     *float64
-	OutDatagrams float64
+	OutDatagrams *float64
-	RcvbufErrors float64
+	RcvbufErrors *float64
-	SndbufErrors float64
+	SndbufErrors *float64
-	InCsumErrors float64
+	InCsumErrors *float64
 }
 
 func (p Proc) Snmp6() (ProcSnmp6, error) {
@@ -182,197 +182,197 @@ func parseSNMP6Stats(r io.Reader) (ProcSnmp6, error) {
 			case "Ip6":
 				switch key {
 				case "InReceives":
-					procSnmp6.Ip6.InReceives = value
+					procSnmp6.Ip6.InReceives = &value
 				case "InHdrErrors":
-					procSnmp6.Ip6.InHdrErrors = value
+					procSnmp6.Ip6.InHdrErrors = &value
 				case "InTooBigErrors":
-					procSnmp6.Ip6.InTooBigErrors = value
+					procSnmp6.Ip6.InTooBigErrors = &value
 				case "InNoRoutes":
-					procSnmp6.Ip6.InNoRoutes = value
+					procSnmp6.Ip6.InNoRoutes = &value
 				case "InAddrErrors":
-					procSnmp6.Ip6.InAddrErrors = value
+					procSnmp6.Ip6.InAddrErrors = &value
 				case "InUnknownProtos":
-					procSnmp6.Ip6.InUnknownProtos = value
+					procSnmp6.Ip6.InUnknownProtos = &value
 				case "InTruncatedPkts":
-					procSnmp6.Ip6.InTruncatedPkts = value
+					procSnmp6.Ip6.InTruncatedPkts = &value
 				case "InDiscards":
-					procSnmp6.Ip6.InDiscards = value
+					procSnmp6.Ip6.InDiscards = &value
 				case "InDelivers":
-					procSnmp6.Ip6.InDelivers = value
+					procSnmp6.Ip6.InDelivers = &value
 				case "OutForwDatagrams":
-					procSnmp6.Ip6.OutForwDatagrams = value
+					procSnmp6.Ip6.OutForwDatagrams = &value
 				case "OutRequests":
-					procSnmp6.Ip6.OutRequests = value
+					procSnmp6.Ip6.OutRequests = &value
 				case "OutDiscards":
-					procSnmp6.Ip6.OutDiscards = value
+					procSnmp6.Ip6.OutDiscards = &value
 				case "OutNoRoutes":
-					procSnmp6.Ip6.OutNoRoutes = value
+					procSnmp6.Ip6.OutNoRoutes = &value
 				case "ReasmTimeout":
-					procSnmp6.Ip6.ReasmTimeout = value
+					procSnmp6.Ip6.ReasmTimeout = &value
 				case "ReasmReqds":
-					procSnmp6.Ip6.ReasmReqds = value
+					procSnmp6.Ip6.ReasmReqds = &value
 				case "ReasmOKs":
-					procSnmp6.Ip6.ReasmOKs = value
+					procSnmp6.Ip6.ReasmOKs = &value
 				case "ReasmFails":
-					procSnmp6.Ip6.ReasmFails = value
+					procSnmp6.Ip6.ReasmFails = &value
 				case "FragOKs":
-					procSnmp6.Ip6.FragOKs = value
+					procSnmp6.Ip6.FragOKs = &value
 				case "FragFails":
-					procSnmp6.Ip6.FragFails = value
+					procSnmp6.Ip6.FragFails = &value
 				case "FragCreates":
-					procSnmp6.Ip6.FragCreates = value
+					procSnmp6.Ip6.FragCreates = &value
 				case "InMcastPkts":
-					procSnmp6.Ip6.InMcastPkts = value
+					procSnmp6.Ip6.InMcastPkts = &value
 				case "OutMcastPkts":
-					procSnmp6.Ip6.OutMcastPkts = value
+					procSnmp6.Ip6.OutMcastPkts = &value
 				case "InOctets":
-					procSnmp6.Ip6.InOctets = value
+					procSnmp6.Ip6.InOctets = &value
 				case "OutOctets":
-					procSnmp6.Ip6.OutOctets = value
+					procSnmp6.Ip6.OutOctets = &value
 				case "InMcastOctets":
-					procSnmp6.Ip6.InMcastOctets = value
+					procSnmp6.Ip6.InMcastOctets = &value
 				case "OutMcastOctets":
-					procSnmp6.Ip6.OutMcastOctets = value
+					procSnmp6.Ip6.OutMcastOctets = &value
 				case "InBcastOctets":
-					procSnmp6.Ip6.InBcastOctets = value
+					procSnmp6.Ip6.InBcastOctets = &value
 				case "OutBcastOctets":
-					procSnmp6.Ip6.OutBcastOctets = value
+					procSnmp6.Ip6.OutBcastOctets = &value
 				case "InNoECTPkts":
-					procSnmp6.Ip6.InNoECTPkts = value
+					procSnmp6.Ip6.InNoECTPkts = &value
 				case "InECT1Pkts":
-					procSnmp6.Ip6.InECT1Pkts = value
+					procSnmp6.Ip6.InECT1Pkts = &value
 				case "InECT0Pkts":
-					procSnmp6.Ip6.InECT0Pkts = value
+					procSnmp6.Ip6.InECT0Pkts = &value
 				case "InCEPkts":
-					procSnmp6.Ip6.InCEPkts = value
+					procSnmp6.Ip6.InCEPkts = &value
 
 				}
 			case "Icmp6":
 				switch key {
 				case "InMsgs":
-					procSnmp6.Icmp6.InMsgs = value
+					procSnmp6.Icmp6.InMsgs = &value
 				case "InErrors":
-					procSnmp6.Icmp6.InErrors = value
+					procSnmp6.Icmp6.InErrors = &value
 				case "OutMsgs":
-					procSnmp6.Icmp6.OutMsgs = value
+					procSnmp6.Icmp6.OutMsgs = &value
 				case "OutErrors":
-					procSnmp6.Icmp6.OutErrors = value
+					procSnmp6.Icmp6.OutErrors = &value
 				case "InCsumErrors":
-					procSnmp6.Icmp6.InCsumErrors = value
+					procSnmp6.Icmp6.InCsumErrors = &value
 				case "InDestUnreachs":
-					procSnmp6.Icmp6.InDestUnreachs = value
+					procSnmp6.Icmp6.InDestUnreachs = &value
 				case "InPktTooBigs":
-					procSnmp6.Icmp6.InPktTooBigs = value
+					procSnmp6.Icmp6.InPktTooBigs = &value
 				case "InTimeExcds":
-					procSnmp6.Icmp6.InTimeExcds = value
+					procSnmp6.Icmp6.InTimeExcds = &value
 				case "InParmProblems":
-					procSnmp6.Icmp6.InParmProblems = value
+					procSnmp6.Icmp6.InParmProblems = &value
 				case "InEchos":
-					procSnmp6.Icmp6.InEchos = value
+					procSnmp6.Icmp6.InEchos = &value
 				case "InEchoReplies":
-					procSnmp6.Icmp6.InEchoReplies = value
+					procSnmp6.Icmp6.InEchoReplies = &value
 				case "InGroupMembQueries":
-					procSnmp6.Icmp6.InGroupMembQueries = value
+					procSnmp6.Icmp6.InGroupMembQueries = &value
 				case "InGroupMembResponses":
-					procSnmp6.Icmp6.InGroupMembResponses = value
+					procSnmp6.Icmp6.InGroupMembResponses = &value
 				case "InGroupMembReductions":
-					procSnmp6.Icmp6.InGroupMembReductions = value
+					procSnmp6.Icmp6.InGroupMembReductions = &value
 				case "InRouterSolicits":
-					procSnmp6.Icmp6.InRouterSolicits = value
+					procSnmp6.Icmp6.InRouterSolicits = &value
 				case "InRouterAdvertisements":
-					procSnmp6.Icmp6.InRouterAdvertisements = value
+					procSnmp6.Icmp6.InRouterAdvertisements = &value
 				case "InNeighborSolicits":
-					procSnmp6.Icmp6.InNeighborSolicits = value
+					procSnmp6.Icmp6.InNeighborSolicits = &value
 				case "InNeighborAdvertisements":
-					procSnmp6.Icmp6.InNeighborAdvertisements = value
+					procSnmp6.Icmp6.InNeighborAdvertisements = &value
 				case "InRedirects":
-					procSnmp6.Icmp6.InRedirects = value
+					procSnmp6.Icmp6.InRedirects = &value
 				case "InMLDv2Reports":
-					procSnmp6.Icmp6.InMLDv2Reports = value
+					procSnmp6.Icmp6.InMLDv2Reports = &value
 				case "OutDestUnreachs":
-					procSnmp6.Icmp6.OutDestUnreachs = value
+					procSnmp6.Icmp6.OutDestUnreachs = &value
 				case "OutPktTooBigs":
-					procSnmp6.Icmp6.OutPktTooBigs = value
+					procSnmp6.Icmp6.OutPktTooBigs = &value
 				case "OutTimeExcds":
-					procSnmp6.Icmp6.OutTimeExcds = value
+					procSnmp6.Icmp6.OutTimeExcds = &value
 				case "OutParmProblems":
-					procSnmp6.Icmp6.OutParmProblems = value
+					procSnmp6.Icmp6.OutParmProblems = &value
 				case "OutEchos":
-					procSnmp6.Icmp6.OutEchos = value
+					procSnmp6.Icmp6.OutEchos = &value
 				case "OutEchoReplies":
-					procSnmp6.Icmp6.OutEchoReplies = value
+					procSnmp6.Icmp6.OutEchoReplies = &value
 				case "OutGroupMembQueries":
-					procSnmp6.Icmp6.OutGroupMembQueries = value
+					procSnmp6.Icmp6.OutGroupMembQueries = &value
 				case "OutGroupMembResponses":
-					procSnmp6.Icmp6.OutGroupMembResponses = value
+					procSnmp6.Icmp6.OutGroupMembResponses = &value
 				case "OutGroupMembReductions":
-					procSnmp6.Icmp6.OutGroupMembReductions = value
+					procSnmp6.Icmp6.OutGroupMembReductions = &value
 				case "OutRouterSolicits":
-					procSnmp6.Icmp6.OutRouterSolicits = value
+					procSnmp6.Icmp6.OutRouterSolicits = &value
 				case "OutRouterAdvertisements":
-					procSnmp6.Icmp6.OutRouterAdvertisements = value
+					procSnmp6.Icmp6.OutRouterAdvertisements = &value
 				case "OutNeighborSolicits":
-					procSnmp6.Icmp6.OutNeighborSolicits = value
+					procSnmp6.Icmp6.OutNeighborSolicits = &value
 				case "OutNeighborAdvertisements":
-					procSnmp6.Icmp6.OutNeighborAdvertisements = value
+					procSnmp6.Icmp6.OutNeighborAdvertisements = &value
 				case "OutRedirects":
-					procSnmp6.Icmp6.OutRedirects = value
+					procSnmp6.Icmp6.OutRedirects = &value
 				case "OutMLDv2Reports":
-					procSnmp6.Icmp6.OutMLDv2Reports = value
+					procSnmp6.Icmp6.OutMLDv2Reports = &value
 				case "InType1":
-					procSnmp6.Icmp6.InType1 = value
+					procSnmp6.Icmp6.InType1 = &value
 				case "InType134":
-					procSnmp6.Icmp6.InType134 = value
+					procSnmp6.Icmp6.InType134 = &value
 				case "InType135":
-					procSnmp6.Icmp6.InType135 = value
+					procSnmp6.Icmp6.InType135 = &value
 				case "InType136":
-					procSnmp6.Icmp6.InType136 = value
+					procSnmp6.Icmp6.InType136 = &value
 				case "InType143":
-					procSnmp6.Icmp6.InType143 = value
+					procSnmp6.Icmp6.InType143 = &value
 				case "OutType133":
-					procSnmp6.Icmp6.OutType133 = value
+					procSnmp6.Icmp6.OutType133 = &value
 				case "OutType135":
-					procSnmp6.Icmp6.OutType135 = value
+					procSnmp6.Icmp6.OutType135 = &value
 				case "OutType136":
-					procSnmp6.Icmp6.OutType136 = value
+					procSnmp6.Icmp6.OutType136 = &value
 				case "OutType143":
-					procSnmp6.Icmp6.OutType143 = value
+					procSnmp6.Icmp6.OutType143 = &value
 				}
 			case "Udp6":
 				switch key {
 				case "InDatagrams":
-					procSnmp6.Udp6.InDatagrams = value
+					procSnmp6.Udp6.InDatagrams = &value
 				case "NoPorts":
-					procSnmp6.Udp6.NoPorts = value
+					procSnmp6.Udp6.NoPorts = &value
 				case "InErrors":
-					procSnmp6.Udp6.InErrors = value
+					procSnmp6.Udp6.InErrors = &value
 				case "OutDatagrams":
-					procSnmp6.Udp6.OutDatagrams = value
+					procSnmp6.Udp6.OutDatagrams = &value
 				case "RcvbufErrors":
-					procSnmp6.Udp6.RcvbufErrors = value
+					procSnmp6.Udp6.RcvbufErrors = &value
 				case "SndbufErrors":
-					procSnmp6.Udp6.SndbufErrors = value
+					procSnmp6.Udp6.SndbufErrors = &value
 				case "InCsumErrors":
-					procSnmp6.Udp6.InCsumErrors = value
+					procSnmp6.Udp6.InCsumErrors = &value
 				case "IgnoredMulti":
-					procSnmp6.Udp6.IgnoredMulti = value
+					procSnmp6.Udp6.IgnoredMulti = &value
 				}
 			case "UdpLite6":
 				switch key {
 				case "InDatagrams":
-					procSnmp6.UdpLite6.InDatagrams = value
+					procSnmp6.UdpLite6.InDatagrams = &value
 				case "NoPorts":
-					procSnmp6.UdpLite6.NoPorts = value
+					procSnmp6.UdpLite6.NoPorts = &value
 				case "InErrors":
-					procSnmp6.UdpLite6.InErrors = value
+					procSnmp6.UdpLite6.InErrors = &value
 				case "OutDatagrams":
-					procSnmp6.UdpLite6.OutDatagrams = value
+					procSnmp6.UdpLite6.OutDatagrams = &value
 				case "RcvbufErrors":
-					procSnmp6.UdpLite6.RcvbufErrors = value
+					procSnmp6.UdpLite6.RcvbufErrors = &value
 				case "SndbufErrors":
-					procSnmp6.UdpLite6.SndbufErrors = value
+					procSnmp6.UdpLite6.SndbufErrors = &value
 				case "InCsumErrors":
-					procSnmp6.UdpLite6.InCsumErrors = value
+					procSnmp6.UdpLite6.InCsumErrors = &value
 				}
 			}
 		}

vendor/github.com/prometheus/procfs/proc_stat.go

@@ -102,6 +102,8 @@ type ProcStat struct {
 	RSS int
 	// Soft limit in bytes on the rss of the process.
 	RSSLimit uint64
+	// CPU number last executed on.
+	Processor uint
 	// Real-time scheduling priority, a number in the range 1 to 99 for processes
 	// scheduled under a real-time policy, or 0, for non-real-time processes.
 	RTPriority uint
@@ -184,7 +186,7 @@ func (p Proc) Stat() (ProcStat, error) {
 		&ignoreUint64,
 		&ignoreUint64,
 		&ignoreInt64,
-		&ignoreInt64,
+		&s.Processor,
 		&s.RTPriority,
 		&s.Policy,
 		&s.DelayAcctBlkIOTicks,

vendor/github.com/prometheus/procfs/proc_status.go

@@ -96,10 +96,10 @@ func (p Proc) NewStatus() (ProcStatus, error) {
 		kv := strings.SplitN(line, ":", 2)
 
 		// removes spaces
-		k := string(strings.TrimSpace(kv[0]))
+		k := strings.TrimSpace(kv[0])
-		v := string(strings.TrimSpace(kv[1]))
+		v := strings.TrimSpace(kv[1])
 		// removes "kB"
-		v = string(bytes.Trim([]byte(v), " kB"))
+		v = strings.TrimSuffix(v, " kB")
 
 		// value to int when possible
 		// we can skip error check here, 'cause vKBytes is not used when value is a string

vendor/github.com/prometheus/procfs/stat.go

@@ -62,7 +62,7 @@ type Stat struct {
 	// Summed up cpu statistics.
 	CPUTotal CPUStat
 	// Per-CPU statistics.
-	CPU []CPUStat
+	CPU map[int64]CPUStat
 	// Number of times interrupts were handled, which contains numbered and unnumbered IRQs.
 	IRQTotal uint64
 	// Number of times a numbered IRQ was triggered.
@@ -170,10 +170,23 @@ func (fs FS) Stat() (Stat, error) {
 	if err != nil {
 		return Stat{}, err
 	}
+	procStat, err := parseStat(bytes.NewReader(data), fileName)
+	if err != nil {
+		return Stat{}, err
+	}
+	return procStat, nil
+}
 
-	stat := Stat{}
+// parseStat parses the metrics from /proc/[pid]/stat.
+func parseStat(r io.Reader, fileName string) (Stat, error) {
+	var (
+		scanner = bufio.NewScanner(r)
+		stat    = Stat{
+			CPU: make(map[int64]CPUStat),
+		}
+		err error
+	)
 
-	scanner := bufio.NewScanner(bytes.NewReader(data))
 	for scanner.Scan() {
 		line := scanner.Text()
 		parts := strings.Fields(scanner.Text())
@@ -228,9 +241,6 @@ func (fs FS) Stat() (Stat, error) {
 			if cpuID == -1 {
 				stat.CPUTotal = cpuStat
 			} else {
-				for int64(len(stat.CPU)) <= cpuID {
-					stat.CPU = append(stat.CPU, CPUStat{})
-				}
 				stat.CPU[cpuID] = cpuStat
 			}
 		}

vendor/github.com/prometheus/procfs/thread.go

@@ -0,0 +1,79 @@
+// Copyright 2022 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+
+	fsi "github.com/prometheus/procfs/internal/fs"
+)
+
+// Provide access to /proc/PID/task/TID files, for thread specific values. Since
+// such files have the same structure as /proc/PID/ ones, the data structures
+// and the parsers for the latter may be reused.
+
+// AllThreads returns a list of all currently available threads under /proc/PID.
+func AllThreads(pid int) (Procs, error) {
+	fs, err := NewFS(DefaultMountPoint)
+	if err != nil {
+		return Procs{}, err
+	}
+	return fs.AllThreads(pid)
+}
+
+// AllThreads returns a list of all currently available threads for PID.
+func (fs FS) AllThreads(pid int) (Procs, error) {
+	taskPath := fs.proc.Path(strconv.Itoa(pid), "task")
+	d, err := os.Open(taskPath)
+	if err != nil {
+		return Procs{}, err
+	}
+	defer d.Close()
+
+	names, err := d.Readdirnames(-1)
+	if err != nil {
+		return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
+	}
+
+	t := Procs{}
+	for _, n := range names {
+		tid, err := strconv.ParseInt(n, 10, 64)
+		if err != nil {
+			continue
+		}
+		t = append(t, Proc{PID: int(tid), fs: fsi.FS(taskPath)})
+	}
+
+	return t, nil
+}
+
+// Thread returns a process for a given PID, TID.
+func (fs FS) Thread(pid, tid int) (Proc, error) {
+	taskPath := fs.proc.Path(strconv.Itoa(pid), "task")
+	if _, err := os.Stat(taskPath); err != nil {
+		return Proc{}, err
+	}
+	return Proc{PID: tid, fs: fsi.FS(taskPath)}, nil
+}
+
+// Thread returns a process for a given TID of Proc.
+func (proc Proc) Thread(tid int) (Proc, error) {
+	tfs := fsi.FS(proc.path("task"))
+	if _, err := os.Stat(tfs.Path(strconv.Itoa(tid))); err != nil {
+		return Proc{}, err
+	}
+	return Proc{PID: tid, fs: tfs}, nil
+}

vendor/github.com/prometheus/procfs/vm.go

@@ -26,7 +26,9 @@ import (
 )
 
 // The VM interface is described at
+//
 //	https://www.kernel.org/doc/Documentation/sysctl/vm.txt
+//
 // Each setting is exposed as a single file.
 // Each file contains one line with a single numerical value, except lowmem_reserve_ratio which holds an array
 // and numa_zonelist_order (deprecated) which is a string.

vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go

@@ -1,71 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package ctxhttp provides helper functions for performing context-aware HTTP requests.
-package ctxhttp // import "golang.org/x/net/context/ctxhttp"
-
-import (
-	"context"
-	"io"
-	"net/http"
-	"net/url"
-	"strings"
-)
-
-// Do sends an HTTP request with the provided http.Client and returns
-// an HTTP response.
-//
-// If the client is nil, http.DefaultClient is used.
-//
-// The provided ctx must be non-nil. If it is canceled or times out,
-// ctx.Err() will be returned.
-func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
-	if client == nil {
-		client = http.DefaultClient
-	}
-	resp, err := client.Do(req.WithContext(ctx))
-	// If we got an error, and the context has been canceled,
-	// the context's error is probably more useful.
-	if err != nil {
-		select {
-		case <-ctx.Done():
-			err = ctx.Err()
-		default:
-		}
-	}
-	return resp, err
-}
-
-// Get issues a GET request via the Do function.
-func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
-	req, err := http.NewRequest("GET", url, nil)
-	if err != nil {
-		return nil, err
-	}
-	return Do(ctx, client, req)
-}
-
-// Head issues a HEAD request via the Do function.
-func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
-	req, err := http.NewRequest("HEAD", url, nil)
-	if err != nil {
-		return nil, err
-	}
-	return Do(ctx, client, req)
-}
-
-// Post issues a POST request via the Do function.
-func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error) {
-	req, err := http.NewRequest("POST", url, body)
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Set("Content-Type", bodyType)
-	return Do(ctx, client, req)
-}
-
-// PostForm issues a POST request via the Do function.
-func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) {
-	return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode()))
-}

vendor/golang.org/x/oauth2/internal/token.go

@@ -19,8 +19,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-
-	"golang.org/x/net/context/ctxhttp"
 )
 
 // Token represents the credentials used to authorize
@@ -229,7 +227,7 @@ func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string,
 }
 
 func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) {
-	r, err := ctxhttp.Do(ctx, ContextClient(ctx), req)
+	r, err := ContextClient(ctx).Do(req.WithContext(ctx))
 	if err != nil {
 		return nil, err
 	}

vendor/modules.txt

@@ -360,7 +360,7 @@ github.com/mattn/go-colorable
 # github.com/mattn/go-isatty v0.0.16
 ## explicit; go 1.15
 github.com/mattn/go-isatty
-# github.com/matttproud/golang_protobuf_extensions v1.0.2
+# github.com/matttproud/golang_protobuf_extensions v1.0.4
 ## explicit; go 1.9
 github.com/matttproud/golang_protobuf_extensions/pbutil
 # github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d
@@ -437,7 +437,7 @@ github.com/pkg/xattr
 # github.com/pmezard/go-difflib v1.0.0
 ## explicit
 github.com/pmezard/go-difflib/difflib
-# github.com/prometheus/client_golang v1.14.0
+# github.com/prometheus/client_golang v1.15.1
 ## explicit; go 1.17
 github.com/prometheus/client_golang/prometheus
 github.com/prometheus/client_golang/prometheus/collectors
@@ -448,13 +448,13 @@ github.com/prometheus/client_golang/prometheus/testutil/promlint
 # github.com/prometheus/client_model v0.3.0
 ## explicit; go 1.9
 github.com/prometheus/client_model/go
-# github.com/prometheus/common v0.37.0
+# github.com/prometheus/common v0.42.0
-## explicit; go 1.16
+## explicit; go 1.18
 github.com/prometheus/common/expfmt
 github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
 github.com/prometheus/common/model
-# github.com/prometheus/procfs v0.8.0
+# github.com/prometheus/procfs v0.9.0
-## explicit; go 1.17
+## explicit; go 1.18
 github.com/prometheus/procfs
 github.com/prometheus/procfs/internal/fs
 github.com/prometheus/procfs/internal/util
@@ -560,7 +560,6 @@ golang.org/x/crypto/ssh/internal/bcrypt_pbkdf
 # golang.org/x/net v0.9.0
 ## explicit; go 1.17
 golang.org/x/net/context
-golang.org/x/net/context/ctxhttp
 golang.org/x/net/html
 golang.org/x/net/html/atom
 golang.org/x/net/html/charset
@@ -572,7 +571,7 @@ golang.org/x/net/internal/socks
 golang.org/x/net/internal/timeseries
 golang.org/x/net/proxy
 golang.org/x/net/trace
-# golang.org/x/oauth2 v0.4.0
+# golang.org/x/oauth2 v0.5.0
 ## explicit; go 1.17
 golang.org/x/oauth2
 golang.org/x/oauth2/internal