Update dependencies

This update includes a newer version of the RTMP server that supports the enhances RTMP specification, i.e. HEVC, VP9, and AV1.
2025-10-13 03:34:05 +08:00 · 2024-01-12 12:35:07 +01:00
parent d1f3538217
commit 574ebdf277
562 changed files with 14318 additions and 16394 deletions
--- a/vendor/github.com/prometheus/client_golang/prometheus/counter.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/counter.go
@@ -20,6 +20,7 @@ import (
 	"time"

 	dto "github.com/prometheus/client_model/go"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )

 // Counter is a Metric that represents a single numerical value that only ever
@@ -66,7 +67,7 @@ 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
+	// of labels. Each label value will be constrained with the optional Constraint
 	// function, if provided.
 	VariableLabels ConstrainableLabels
 }
@@ -90,8 +91,12 @@ func NewCounter(opts CounterOpts) Counter {
 		nil,
 		opts.ConstLabels,
 	)
-	result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: time.Now}
+	if opts.now == nil {
+		opts.now = time.Now
+	}
+	result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: opts.now}
 	result.init(result) // Init self-collection.
+	result.createdTs = timestamppb.New(opts.now())
 	return result
 }

@@ -106,10 +111,12 @@ type counter struct {
 	selfCollector
 	desc *Desc

+	createdTs  *timestamppb.Timestamp
 	labelPairs []*dto.LabelPair
 	exemplar   atomic.Value // Containing nil or a *dto.Exemplar.

-	now func() time.Time // To mock out time.Now() for testing.
+	// now is for testing purposes, by default it's time.Now.
+	now func() time.Time
 }

 func (c *counter) Desc() *Desc {
@@ -159,8 +166,7 @@ func (c *counter) Write(out *dto.Metric) error {
 		exemplar = e.(*dto.Exemplar)
 	}
 	val := c.get()
-
-	return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
+	return populateMetric(CounterValue, val, c.labelPairs, exemplar, out, c.createdTs)
 }

 func (c *counter) updateExemplar(v float64, l Labels) {
@@ -200,13 +206,17 @@ func (v2) NewCounterVec(opts CounterVecOpts) *CounterVec {
 		opts.VariableLabels,
 		opts.ConstLabels,
 	)
+	if opts.now == nil {
+		opts.now = time.Now
+	}
 	return &CounterVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
-			if len(lvs) != len(desc.variableLabels) {
-				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
+			if len(lvs) != len(desc.variableLabels.names) {
+				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
 			}
-			result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: time.Now}
+			result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: opts.now}
 			result.init(result) // Init self-collection.
+			result.createdTs = timestamppb.New(opts.now())
 			return result
 		}),
 	}
--- a/vendor/github.com/prometheus/client_golang/prometheus/desc.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/desc.go
@@ -52,7 +52,7 @@ type Desc struct {
 	constLabelPairs []*dto.LabelPair
 	// variableLabels contains names of labels and normalization function for
 	// which the metric maintains variable values.
-	variableLabels ConstrainedLabels
+	variableLabels *compiledLabels
 	// 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.
@@ -93,7 +93,7 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
 	d := &Desc{
 		fqName:         fqName,
 		help:           help,
-		variableLabels: variableLabels.constrainedLabels(),
+		variableLabels: variableLabels.compile(),
 	}
 	if !model.IsValidMetricName(model.LabelValue(fqName)) {
 		d.err = fmt.Errorf("%q is not a valid metric name", fqName)
@@ -103,7 +103,7 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
 	// 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(d.variableLabels))
+	labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels.names))
 	labelNameSet := map[string]struct{}{}
 	// First add only the const label names and sort them...
 	for labelName := range constLabels {
@@ -128,13 +128,13 @@ func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, const
 	// 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 _, label := range d.variableLabels {
-		if !checkLabelName(label.Name) {
-			d.err = fmt.Errorf("%q is not a valid label name for metric %q", label.Name, fqName)
+	for _, label := range d.variableLabels.names {
+		if !checkLabelName(label) {
+			d.err = fmt.Errorf("%q is not a valid label name for metric %q", label, fqName)
 			return d
 		}
-		labelNames = append(labelNames, "$"+label.Name)
-		labelNameSet[label.Name] = struct{}{}
+		labelNames = append(labelNames, "$"+label)
+		labelNameSet[label] = struct{}{}
 	}
 	if len(labelNames) != len(labelNameSet) {
 		d.err = fmt.Errorf("duplicate label names in constant and variable labels for metric %q", fqName)
@@ -189,11 +189,19 @@ func (d *Desc) String() string {
 			fmt.Sprintf("%s=%q", lp.GetName(), lp.GetValue()),
 		)
 	}
+	vlStrings := make([]string, 0, len(d.variableLabels.names))
+	for _, vl := range d.variableLabels.names {
+		if fn, ok := d.variableLabels.labelConstraints[vl]; ok && fn != nil {
+			vlStrings = append(vlStrings, fmt.Sprintf("c(%s)", vl))
+		} else {
+			vlStrings = append(vlStrings, vl)
+		}
+	}
 	return fmt.Sprintf(
-		"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: %v}",
+		"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: {%s}}",
 		d.fqName,
 		d.help,
 		strings.Join(lpStrings, ","),
-		d.variableLabels,
+		strings.Join(vlStrings, ","),
 	)
 }
--- a/vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go
@@ -48,7 +48,7 @@ func (e *expvarCollector) Collect(ch chan<- Metric) {
 			continue
 		}
 		var v interface{}
-		labels := make([]string, len(desc.variableLabels))
+		labels := make([]string, len(desc.variableLabels.names))
 		if err := json.Unmarshal([]byte(expVar.String()), &v); err != nil {
 			ch <- NewInvalidMetric(desc, err)
 			continue
--- a/vendor/github.com/prometheus/client_golang/prometheus/gauge.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/gauge.go
@@ -62,7 +62,7 @@ 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
+	// of labels. Each label value will be constrained with the optional Constraint
 	// function, if provided.
 	VariableLabels ConstrainableLabels
 }
@@ -135,7 +135,7 @@ func (g *gauge) Sub(val float64) {

 func (g *gauge) Write(out *dto.Metric) error {
 	val := math.Float64frombits(atomic.LoadUint64(&g.valBits))
-	return populateMetric(GaugeValue, val, g.labelPairs, nil, out)
+	return populateMetric(GaugeValue, val, g.labelPairs, nil, out, nil)
 }

 // GaugeVec is a Collector that bundles a set of Gauges that all share the same
@@ -166,8 +166,8 @@ func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
 	)
 	return &GaugeVec{
 		MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
-			if len(lvs) != len(desc.variableLabels) {
-				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.labelNames(), lvs))
+			if len(lvs) != len(desc.variableLabels.names) {
+				panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
 			}
 			result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
 			result.init(result) // Init self-collection.
--- a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
@@ -25,6 +25,7 @@ import (
 	dto "github.com/prometheus/client_model/go"

 	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )

 // nativeHistogramBounds for the frac of observed values. Only relevant for
@@ -391,7 +392,7 @@ type HistogramOpts struct {
 	// zero, it is replaced by default buckets. The default buckets are
 	// DefBuckets if no buckets for a native histogram (see below) are used,
 	// otherwise the default is no buckets. (In other words, if you want to
-	// use both reguler buckets and buckets for a native histogram, you have
+	// use both regular buckets and buckets for a native histogram, you have
 	// to define the regular buckets here explicitly.)
 	Buckets []float64

@@ -413,8 +414,8 @@ type HistogramOpts struct {
 	// and 2, same as between 2 and 4, and 4 and 8, etc.).
 	//
 	// Details about the actually used factor: The factor is calculated as
-	// 2^(2^n), where n is an integer number between (and including) -8 and
-	// 4. n is chosen so that the resulting factor is the largest that is
+	// 2^(2^-n), where n is an integer number between (and including) -4 and
+	// 8. n is chosen so that the resulting factor is the largest that is
 	// still smaller or equal to NativeHistogramBucketFactor. Note that the
 	// smallest possible factor is therefore approx. 1.00271 (i.e. 2^(2^-8)
 	// ). If NativeHistogramBucketFactor is greater than 1 but smaller than
@@ -428,12 +429,12 @@ type HistogramOpts struct {
 	// a major version bump.
 	NativeHistogramBucketFactor float64
 	// All observations with an absolute value of less or equal
-	// NativeHistogramZeroThreshold are accumulated into a “zero”
-	// bucket. For best results, this should be close to a bucket
-	// boundary. This is usually the case if picking a power of two. If
+	// NativeHistogramZeroThreshold are accumulated into a “zero” bucket.
+	// For best results, this should be close to a bucket boundary. This is
+	// usually the case if picking a power of two. If
 	// NativeHistogramZeroThreshold is left at zero,
-	// DefNativeHistogramZeroThreshold is used as the threshold. To configure
-	// a zero bucket with an actual threshold of zero (i.e. only
+	// DefNativeHistogramZeroThreshold is used as the threshold. To
+	// configure a zero bucket with an actual threshold of zero (i.e. only
 	// observations of precisely zero will go into the zero bucket), set
 	// NativeHistogramZeroThreshold to the NativeHistogramZeroThresholdZero
 	// constant (or any negative float value).
@@ -446,26 +447,37 @@ type HistogramOpts struct {
 	// Histogram are sufficiently wide-spread. In particular, this could be
 	// used as a DoS attack vector. Where the observed values depend on
 	// external inputs, it is highly recommended to set a
-	// NativeHistogramMaxBucketNumber.)  Once the set
+	// NativeHistogramMaxBucketNumber.) Once the set
 	// NativeHistogramMaxBucketNumber is exceeded, the following strategy is
-	// enacted: First, if the last reset (or the creation) of the histogram
-	// is at least NativeHistogramMinResetDuration ago, then the whole
-	// histogram is reset to its initial state (including regular
-	// buckets). If less time has passed, or if
-	// NativeHistogramMinResetDuration is zero, no reset is
-	// performed. Instead, the zero threshold is increased sufficiently to
-	// reduce the number of buckets to or below
-	// NativeHistogramMaxBucketNumber, but not to more than
-	// NativeHistogramMaxZeroThreshold. Thus, if
-	// NativeHistogramMaxZeroThreshold is already at or below the current
-	// zero threshold, nothing happens at this step. After that, if the
-	// number of buckets still exceeds NativeHistogramMaxBucketNumber, the
-	// resolution of the histogram is reduced by doubling the width of the
-	// sparse buckets (up to a growth factor between one bucket to the next
-	// of 2^(2^4) = 65536, see above).
+	// enacted:
+	//  - First, if the last reset (or the creation) of the histogram is at
+	//    least NativeHistogramMinResetDuration ago, then the whole
+	//    histogram is reset to its initial state (including regular
+	//    buckets).
+	//  - If less time has passed, or if NativeHistogramMinResetDuration is
+	//    zero, no reset is performed. Instead, the zero threshold is
+	//    increased sufficiently to reduce the number of buckets to or below
+	//    NativeHistogramMaxBucketNumber, but not to more than
+	//    NativeHistogramMaxZeroThreshold. Thus, if
+	//    NativeHistogramMaxZeroThreshold is already at or below the current
+	//    zero threshold, nothing happens at this step.
+	//  - After that, if the number of buckets still exceeds
+	//    NativeHistogramMaxBucketNumber, the resolution of the histogram is
+	//    reduced by doubling the width of the sparse buckets (up to a
+	//    growth factor between one bucket to the next of 2^(2^4) = 65536,
+	//    see above).
+	//  - Any increased zero threshold or reduced resolution is reset back
+	//    to their original values once NativeHistogramMinResetDuration has
+	//    passed (since the last reset or the creation of the histogram).
 	NativeHistogramMaxBucketNumber  uint32
 	NativeHistogramMinResetDuration time.Duration
 	NativeHistogramMaxZeroThreshold float64
+
+	// now is for testing purposes, by default it's time.Now.
+	now func() time.Time
+
+	// afterFunc is for testing purposes, by default it's time.AfterFunc.
+	afterFunc func(time.Duration, func()) *time.Timer
 }

 // HistogramVecOpts bundles the options to create a HistogramVec metric.
@@ -475,7 +487,7 @@ 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
+	// of labels. Each label value will be constrained with the optional Constraint
 	// function, if provided.
 	VariableLabels ConstrainableLabels
 }
@@ -499,12 +511,12 @@ 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.labelNames(), labelValues))
+	if len(desc.variableLabels.names) != len(labelValues) {
+		panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
 	}

-	for _, n := range desc.variableLabels {
-		if n.Name == bucketLabel {
+	for _, n := range desc.variableLabels.names {
+		if n == bucketLabel {
 			panic(errBucketLabelNotAllowed)
 		}
 	}
@@ -514,6 +526,12 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
 		}
 	}

+	if opts.now == nil {
+		opts.now = time.Now
+	}
+	if opts.afterFunc == nil {
+		opts.afterFunc = time.AfterFunc
+	}
 	h := &histogram{
 		desc:                            desc,
 		upperBounds:                     opts.Buckets,
@@ -521,8 +539,9 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
 		nativeHistogramMaxBuckets:       opts.NativeHistogramMaxBucketNumber,
 		nativeHistogramMaxZeroThreshold: opts.NativeHistogramMaxZeroThreshold,
 		nativeHistogramMinResetDuration: opts.NativeHistogramMinResetDuration,
-		lastResetTime:                   time.Now(),
-		now:                             time.Now,
+		lastResetTime:                   opts.now(),
+		now:                             opts.now,
+		afterFunc:                       opts.afterFunc,
 	}
 	if len(h.upperBounds) == 0 && opts.NativeHistogramBucketFactor <= 1 {
 		h.upperBounds = DefBuckets
@@ -701,9 +720,18 @@ type histogram struct {
 	nativeHistogramMaxZeroThreshold float64
 	nativeHistogramMaxBuckets       uint32
 	nativeHistogramMinResetDuration time.Duration
-	lastResetTime                   time.Time // Protected by mtx.
+	// lastResetTime is protected by mtx. It is also used as created timestamp.
+	lastResetTime time.Time
+	// resetScheduled is protected by mtx. It is true if a reset is
+	// scheduled for a later time (when nativeHistogramMinResetDuration has
+	// passed).
+	resetScheduled bool

-	now func() time.Time // To mock out time.Now() for testing.
+	// now is for testing purposes, by default it's time.Now.
+	now func() time.Time
+
+	// afterFunc is for testing purposes, by default it's time.AfterFunc.
+	afterFunc func(time.Duration, func()) *time.Timer
 }

 func (h *histogram) Desc() *Desc {
@@ -742,9 +770,10 @@ func (h *histogram) Write(out *dto.Metric) error {
 	waitForCooldown(count, coldCounts)

 	his := &dto.Histogram{
-		Bucket:      make([]*dto.Bucket, len(h.upperBounds)),
-		SampleCount: proto.Uint64(count),
-		SampleSum:   proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
+		Bucket:           make([]*dto.Bucket, len(h.upperBounds)),
+		SampleCount:      proto.Uint64(count),
+		SampleSum:        proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
+		CreatedTimestamp: timestamppb.New(h.lastResetTime),
 	}
 	out.Histogram = his
 	out.Label = h.labelPairs
@@ -782,6 +811,16 @@ func (h *histogram) Write(out *dto.Metric) error {
 		his.ZeroCount = proto.Uint64(zeroBucket)
 		his.NegativeSpan, his.NegativeDelta = makeBuckets(&coldCounts.nativeHistogramBucketsNegative)
 		his.PositiveSpan, his.PositiveDelta = makeBuckets(&coldCounts.nativeHistogramBucketsPositive)
+
+		// Add a no-op span to a histogram without observations and with
+		// a zero threshold of zero. Otherwise, a native histogram would
+		// look like a classic histogram to scrapers.
+		if *his.ZeroThreshold == 0 && *his.ZeroCount == 0 && len(his.PositiveSpan) == 0 && len(his.NegativeSpan) == 0 {
+			his.PositiveSpan = []*dto.BucketSpan{{
+				Offset: proto.Int32(0),
+				Length: proto.Uint32(0),
+			}}
+		}
 	}
 	addAndResetCounts(hotCounts, coldCounts)
 	return nil
@@ -848,26 +887,39 @@ func (h *histogram) limitBuckets(counts *histogramCounts, value float64, bucket
 	if h.maybeReset(hotCounts, coldCounts, coldIdx, value, bucket) {
 		return
 	}
+	// One of the other strategies will happen. To undo what they will do as
+	// soon as enough time has passed to satisfy
+	// h.nativeHistogramMinResetDuration, schedule a reset at the right time
+	// if we haven't done so already.
+	if h.nativeHistogramMinResetDuration > 0 && !h.resetScheduled {
+		h.resetScheduled = true
+		h.afterFunc(h.nativeHistogramMinResetDuration-h.now().Sub(h.lastResetTime), h.reset)
+	}
+
 	if h.maybeWidenZeroBucket(hotCounts, coldCounts) {
 		return
 	}
 	h.doubleBucketWidth(hotCounts, coldCounts)
 }

-// maybeReset resests the whole histogram if at least h.nativeHistogramMinResetDuration
-// has been passed. It returns true if the histogram has been reset. The caller
-// must have locked h.mtx.
-func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int) bool {
+// maybeReset resets the whole histogram if at least
+// h.nativeHistogramMinResetDuration has been passed. It returns true if the
+// histogram has been reset. The caller must have locked h.mtx.
+func (h *histogram) maybeReset(
+	hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int,
+) bool {
 	// We are using the possibly mocked h.now() rather than
 	// time.Since(h.lastResetTime) to enable testing.
-	if h.nativeHistogramMinResetDuration == 0 || h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
+	if h.nativeHistogramMinResetDuration == 0 || // No reset configured.
+		h.resetScheduled || // Do not interefere if a reset is already scheduled.
+		h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
 		return false
 	}
 	// Completely reset coldCounts.
 	h.resetCounts(cold)
 	// Repeat the latest observation to not lose it completely.
 	cold.observe(value, bucket, true)
-	// Make coldCounts the new hot counts while ressetting countAndHotIdx.
+	// Make coldCounts the new hot counts while resetting countAndHotIdx.
 	n := atomic.SwapUint64(&h.countAndHotIdx, (coldIdx<<63)+1)
 	count := n & ((1 << 63) - 1)
 	waitForCooldown(count, hot)
@@ -877,6 +929,29 @@ func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value
 	return true
 }

+// reset resets the whole histogram. It locks h.mtx itself, i.e. it has to be
+// called without having locked h.mtx.
+func (h *histogram) reset() {
+	h.mtx.Lock()
+	defer h.mtx.Unlock()
+
+	n := atomic.LoadUint64(&h.countAndHotIdx)
+	hotIdx := n >> 63
+	coldIdx := (^n) >> 63
+	hot := h.counts[hotIdx]
+	cold := h.counts[coldIdx]
+	// Completely reset coldCounts.
+	h.resetCounts(cold)
+	// Make coldCounts the new hot counts while resetting countAndHotIdx.
+	n = atomic.SwapUint64(&h.countAndHotIdx, coldIdx<<63)
+	count := n & ((1 << 63) - 1)
+	waitForCooldown(count, hot)
+	// Finally, reset the formerly hot counts, too.
+	h.resetCounts(hot)
+	h.lastResetTime = h.now()
+	h.resetScheduled = false
+}
+
 // maybeWidenZeroBucket widens the zero bucket until it includes the existing
 // buckets closest to the zero bucket (which could be two, if an equidistant
 // negative and a positive bucket exists, but usually it's only one bucket to be
@@ -1176,6 +1251,7 @@ type constHistogram struct {
 	sum        float64
 	buckets    map[float64]uint64
 	labelPairs []*dto.LabelPair
+	createdTs  *timestamppb.Timestamp
 }

 func (h *constHistogram) Desc() *Desc {
@@ -1183,7 +1259,9 @@ func (h *constHistogram) Desc() *Desc {
 }

 func (h *constHistogram) Write(out *dto.Metric) error {
-	his := &dto.Histogram{}
+	his := &dto.Histogram{
+		CreatedTimestamp: h.createdTs,
+	}

 	buckets := make([]*dto.Bucket, 0, len(h.buckets))

@@ -1230,7 +1308,7 @@ func NewConstHistogram(
 	if desc.err != nil {
 		return nil, desc.err
 	}
-	if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
+	if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
 		return nil, err
 	}
 	return &constHistogram{
@@ -1324,7 +1402,7 @@ func makeBuckets(buckets *sync.Map) ([]*dto.BucketSpan, []int64) {
 		// Multiple spans with only small gaps in between are probably
 		// encoded more efficiently as one larger span with a few empty
 		// buckets. Needs some research to find the sweet spot. For now,
-		// we assume that gaps of one ore two buckets should not create
+		// we assume that gaps of one or two buckets should not create
 		// a new span.
 		iDelta := int32(i - nextI)
 		if n == 0 || iDelta > 2 {
--- a/vendor/github.com/prometheus/client_golang/prometheus/internal/difflib.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/internal/difflib.go
@@ -14,7 +14,7 @@
 // It provides tools to compare sequences of strings and generate textual diffs.
 //
 // Maintaining `GetUnifiedDiffString` here because original repository
-// (https://github.com/pmezard/go-difflib) is no loger maintained.
+// (https://github.com/pmezard/go-difflib) is no longer maintained.
 package internal

 import (
--- a/vendor/github.com/prometheus/client_golang/prometheus/labels.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/labels.go
@@ -32,19 +32,15 @@ import (
 // create a Desc.
 type Labels map[string]string

+// LabelConstraint normalizes label values.
+type LabelConstraint func(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)
+	Constraint LabelConstraint
 }

 // ConstrainableLabels is an interface that allows creating of labels that can
@@ -58,7 +54,7 @@ func (cl ConstrainedLabel) Constrain(v string) string {
 //	  },
 //	})
 type ConstrainableLabels interface {
-	constrainedLabels() ConstrainedLabels
+	compile() *compiledLabels
 	labelNames() []string
 }

@@ -67,8 +63,20 @@ type ConstrainableLabels interface {
 // metric vector Collectors.
 type ConstrainedLabels []ConstrainedLabel

-func (cls ConstrainedLabels) constrainedLabels() ConstrainedLabels {
-	return cls
+func (cls ConstrainedLabels) compile() *compiledLabels {
+	compiled := &compiledLabels{
+		names:            make([]string, len(cls)),
+		labelConstraints: map[string]LabelConstraint{},
+	}
+
+	for i, label := range cls {
+		compiled.names[i] = label.Name
+		if label.Constraint != nil {
+			compiled.labelConstraints[label.Name] = label.Constraint
+		}
+	}
+
+	return compiled
 }

 func (cls ConstrainedLabels) labelNames() []string {
@@ -92,18 +100,36 @@ func (cls ConstrainedLabels) labelNames() []string {
 //	}
 type UnconstrainedLabels []string

-func (uls UnconstrainedLabels) constrainedLabels() ConstrainedLabels {
-	constrainedLabels := make([]ConstrainedLabel, len(uls))
-	for i, l := range uls {
-		constrainedLabels[i] = ConstrainedLabel{Name: l}
+func (uls UnconstrainedLabels) compile() *compiledLabels {
+	return &compiledLabels{
+		names: uls,
 	}
-	return constrainedLabels
 }

 func (uls UnconstrainedLabels) labelNames() []string {
 	return uls
 }

+type compiledLabels struct {
+	names            []string
+	labelConstraints map[string]LabelConstraint
+}
+
+func (cls *compiledLabels) compile() *compiledLabels {
+	return cls
+}
+
+func (cls *compiledLabels) labelNames() []string {
+	return cls.names
+}
+
+func (cls *compiledLabels) constrain(labelName, value string) string {
+	if fn, ok := cls.labelConstraints[labelName]; ok && fn != nil {
+		return fn(value)
+	}
+	return value
+}
+
 // reservedLabelPrefix is a prefix which is not legal in user-supplied
 // label names.
 const reservedLabelPrefix = "__"
@@ -139,6 +165,8 @@ func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {

 func validateLabelValues(vals []string, expectedNumberOfValues int) error {
 	if len(vals) != expectedNumberOfValues {
+		// The call below makes vals escape, copy them to avoid that.
+		vals := append([]string(nil), vals...)
 		return fmt.Errorf(
 			"%w: expected %d label values but got %d in %#v",
 			errInconsistentCardinality, expectedNumberOfValues,
--- a/vendor/github.com/prometheus/client_golang/prometheus/metric.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/metric.go
@@ -92,6 +92,9 @@ type Opts struct {
 	// machine_role metric). See also
 	// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels-not-static-scraped-labels
 	ConstLabels Labels
+
+	// now is for testing purposes, by default it's time.Now.
+	now func() time.Time
 }

 // BuildFQName joins the given three name components by "_". Empty name
--- a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-//go:build !windows && !js
-// +build !windows,!js
+//go:build !windows && !js && !wasip1
+// +build !windows,!js,!wasip1

 package prometheus

--- a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_wasip1.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_wasip1.go
@@ -0,0 +1,26 @@
+// Copyright 2023 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 wasip1
+// +build wasip1
+
+package prometheus
+
+func canCollectProcess() bool {
+	return false
+}
+
+func (*processCollector) processCollect(chan<- Metric) {
+	// noop on this platform
+	return
+}
--- a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go
@@ -389,16 +389,13 @@ func isLabelCurried(c prometheus.Collector, label string) bool {
 	return true
 }

-// emptyLabels is a one-time allocation for non-partitioned metrics to avoid
-// unnecessary allocations on each request.
-var emptyLabels = prometheus.Labels{}
-
 func labels(code, method bool, reqMethod string, status int, extraMethods ...string) prometheus.Labels {
-	if !(code || method) {
-		return emptyLabels
-	}
 	labels := prometheus.Labels{}

+	if !(code || method) {
+		return labels
+	}
+
 	if code {
 		labels["code"] = sanitizeCode(status)
 	}
--- a/vendor/github.com/prometheus/client_golang/prometheus/registry.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/registry.go
@@ -548,7 +548,7 @@ func (r *Registry) Gather() ([]*dto.MetricFamily, error) {
 			goroutineBudget--
 			runtime.Gosched()
 		}
-		// Once both checkedMetricChan and uncheckdMetricChan are closed
+		// Once both checkedMetricChan and uncheckedMetricChan are closed
 		// and drained, the contraption above will nil out cmc and umc,
 		// and then we can leave the collect loop here.
 		if cmc == nil && umc == nil {
@@ -963,9 +963,9 @@ func checkDescConsistency(
 	// Is the desc consistent with the content of the metric?
 	lpsFromDesc := make([]*dto.LabelPair, len(desc.constLabelPairs), len(dtoMetric.Label))
 	copy(lpsFromDesc, desc.constLabelPairs)
-	for _, l := range desc.variableLabels {
+	for _, l := range desc.variableLabels.names {
 		lpsFromDesc = append(lpsFromDesc, &dto.LabelPair{
-			Name: proto.String(l.Name),
+			Name: proto.String(l),
 		})
 	}
 	if len(lpsFromDesc) != len(dtoMetric.Label) {
--- a/vendor/github.com/prometheus/client_golang/prometheus/summary.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/summary.go
@@ -26,6 +26,7 @@ import (

 	"github.com/beorn7/perks/quantile"
 	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )

 // quantileLabel is used for the label that defines the quantile in a
@@ -145,6 +146,9 @@ type SummaryOpts struct {
 	// is the internal buffer size of the underlying package
 	// "github.com/bmizerany/perks/quantile").
 	BufCap uint32
+
+	// now is for testing purposes, by default it's time.Now.
+	now func() time.Time
 }

 // SummaryVecOpts bundles the options to create a SummaryVec metric.
@@ -154,7 +158,7 @@ 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
+	// of labels. Each label value will be constrained with the optional Constraint
 	// function, if provided.
 	VariableLabels ConstrainableLabels
 }
@@ -188,12 +192,12 @@ 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.labelNames(), labelValues))
+	if len(desc.variableLabels.names) != len(labelValues) {
+		panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
 	}

-	for _, n := range desc.variableLabels {
-		if n.Name == quantileLabel {
+	for _, n := range desc.variableLabels.names {
+		if n == quantileLabel {
 			panic(errQuantileLabelNotAllowed)
 		}
 	}
@@ -222,6 +226,9 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
 		opts.BufCap = DefBufCap
 	}

+	if opts.now == nil {
+		opts.now = time.Now
+	}
 	if len(opts.Objectives) == 0 {
 		// Use the lock-free implementation of a Summary without objectives.
 		s := &noObjectivesSummary{
@@ -230,6 +237,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
 			counts:     [2]*summaryCounts{{}, {}},
 		}
 		s.init(s) // Init self-collection.
+		s.createdTs = timestamppb.New(opts.now())
 		return s
 	}

@@ -245,7 +253,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
 		coldBuf:        make([]float64, 0, opts.BufCap),
 		streamDuration: opts.MaxAge / time.Duration(opts.AgeBuckets),
 	}
-	s.headStreamExpTime = time.Now().Add(s.streamDuration)
+	s.headStreamExpTime = opts.now().Add(s.streamDuration)
 	s.hotBufExpTime = s.headStreamExpTime

 	for i := uint32(0); i < opts.AgeBuckets; i++ {
@@ -259,6 +267,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
 	sort.Float64s(s.sortedObjectives)

 	s.init(s) // Init self-collection.
+	s.createdTs = timestamppb.New(opts.now())
 	return s
 }

@@ -286,6 +295,8 @@ type summary struct {
 	headStream                       *quantile.Stream
 	headStreamIdx                    int
 	headStreamExpTime, hotBufExpTime time.Time
+
+	createdTs *timestamppb.Timestamp
 }

 func (s *summary) Desc() *Desc {
@@ -307,7 +318,9 @@ func (s *summary) Observe(v float64) {
 }

 func (s *summary) Write(out *dto.Metric) error {
-	sum := &dto.Summary{}
+	sum := &dto.Summary{
+		CreatedTimestamp: s.createdTs,
+	}
 	qs := make([]*dto.Quantile, 0, len(s.objectives))

 	s.bufMtx.Lock()
@@ -440,6 +453,8 @@ type noObjectivesSummary struct {
 	counts [2]*summaryCounts

 	labelPairs []*dto.LabelPair
+
+	createdTs *timestamppb.Timestamp
 }

 func (s *noObjectivesSummary) Desc() *Desc {
@@ -490,8 +505,9 @@ func (s *noObjectivesSummary) Write(out *dto.Metric) error {
 	}

 	sum := &dto.Summary{
-		SampleCount: proto.Uint64(count),
-		SampleSum:   proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
+		SampleCount:      proto.Uint64(count),
+		SampleSum:        proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
+		CreatedTimestamp: s.createdTs,
 	}

 	out.Summary = sum
@@ -681,6 +697,7 @@ type constSummary struct {
 	sum        float64
 	quantiles  map[float64]float64
 	labelPairs []*dto.LabelPair
+	createdTs  *timestamppb.Timestamp
 }

 func (s *constSummary) Desc() *Desc {
@@ -688,7 +705,9 @@ func (s *constSummary) Desc() *Desc {
 }

 func (s *constSummary) Write(out *dto.Metric) error {
-	sum := &dto.Summary{}
+	sum := &dto.Summary{
+		CreatedTimestamp: s.createdTs,
+	}
 	qs := make([]*dto.Quantile, 0, len(s.quantiles))

 	sum.SampleCount = proto.Uint64(s.count)
@@ -737,7 +756,7 @@ func NewConstSummary(
 	if desc.err != nil {
 		return nil, desc.err
 	}
-	if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
+	if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
 		return nil, err
 	}
 	return &constSummary{
--- a/vendor/github.com/prometheus/client_golang/prometheus/value.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/value.go
@@ -14,6 +14,7 @@
 package prometheus

 import (
+	"errors"
 	"fmt"
 	"sort"
 	"time"
@@ -91,7 +92,7 @@ func (v *valueFunc) Desc() *Desc {
 }

 func (v *valueFunc) Write(out *dto.Metric) error {
-	return populateMetric(v.valType, v.function(), v.labelPairs, nil, out)
+	return populateMetric(v.valType, v.function(), v.labelPairs, nil, out, nil)
 }

 // NewConstMetric returns a metric with one fixed value that cannot be
@@ -105,12 +106,12 @@ func NewConstMetric(desc *Desc, valueType ValueType, value float64, labelValues
 	if desc.err != nil {
 		return nil, desc.err
 	}
-	if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
+	if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
 		return nil, err
 	}

 	metric := &dto.Metric{}
-	if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric); err != nil {
+	if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, nil); err != nil {
 		return nil, err
 	}

@@ -130,6 +131,43 @@ func MustNewConstMetric(desc *Desc, valueType ValueType, value float64, labelVal
 	return m
 }

+// NewConstMetricWithCreatedTimestamp does the same thing as NewConstMetric, but generates Counters
+// with created timestamp set and returns an error for other metric types.
+func NewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) (Metric, error) {
+	if desc.err != nil {
+		return nil, desc.err
+	}
+	if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
+		return nil, err
+	}
+	switch valueType {
+	case CounterValue:
+		break
+	default:
+		return nil, errors.New("created timestamps are only supported for counters")
+	}
+
+	metric := &dto.Metric{}
+	if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, timestamppb.New(ct)); err != nil {
+		return nil, err
+	}
+
+	return &constMetric{
+		desc:   desc,
+		metric: metric,
+	}, nil
+}
+
+// MustNewConstMetricWithCreatedTimestamp is a version of NewConstMetricWithCreatedTimestamp that panics where
+// NewConstMetricWithCreatedTimestamp would have returned an error.
+func MustNewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) Metric {
+	m, err := NewConstMetricWithCreatedTimestamp(desc, valueType, value, ct, labelValues...)
+	if err != nil {
+		panic(err)
+	}
+	return m
+}
+
 type constMetric struct {
 	desc   *Desc
 	metric *dto.Metric
@@ -153,11 +191,12 @@ func populateMetric(
 	labelPairs []*dto.LabelPair,
 	e *dto.Exemplar,
 	m *dto.Metric,
+	ct *timestamppb.Timestamp,
 ) error {
 	m.Label = labelPairs
 	switch t {
 	case CounterValue:
-		m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e}
+		m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e, CreatedTimestamp: ct}
 	case GaugeValue:
 		m.Gauge = &dto.Gauge{Value: proto.Float64(v)}
 	case UntypedValue:
@@ -176,19 +215,19 @@ func populateMetric(
 // This function is only needed for custom Metric implementations. See MetricVec
 // example.
 func MakeLabelPairs(desc *Desc, labelValues []string) []*dto.LabelPair {
-	totalLen := len(desc.variableLabels) + len(desc.constLabelPairs)
+	totalLen := len(desc.variableLabels.names) + len(desc.constLabelPairs)
 	if totalLen == 0 {
 		// Super fast path.
 		return nil
 	}
-	if len(desc.variableLabels) == 0 {
+	if len(desc.variableLabels.names) == 0 {
 		// Moderately fast path.
 		return desc.constLabelPairs
 	}
 	labelPairs := make([]*dto.LabelPair, 0, totalLen)
-	for i, l := range desc.variableLabels {
+	for i, l := range desc.variableLabels.names {
 		labelPairs = append(labelPairs, &dto.LabelPair{
-			Name:  proto.String(l.Name),
+			Name:  proto.String(l),
 			Value: proto.String(labelValues[i]),
 		})
 	}
--- a/vendor/github.com/prometheus/client_golang/prometheus/vec.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/vec.go
@@ -20,24 +20,6 @@ import (
 	"github.com/prometheus/common/model"
 )

-var labelsPool = &sync.Pool{
-	New: func() interface{} {
-		return make(Labels)
-	},
-}
-
-func getLabelsFromPool() Labels {
-	return labelsPool.Get().(Labels)
-}
-
-func putLabelsToPool(labels Labels) {
-	for k := range labels {
-		delete(labels, k)
-	}
-
-	labelsPool.Put(labels)
-}
-
 // MetricVec is a Collector to bundle metrics of the same name that differ in
 // their label values. MetricVec is not used directly but as a building block
 // for implementations of vectors of a given metric type, like GaugeVec,
@@ -91,6 +73,7 @@ func NewMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *MetricVec {
 // 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
@@ -110,8 +93,8 @@ 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)
-	defer putLabelsToPool(labels)
+	labels, closer := constrainLabels(m.desc, labels)
+	defer closer()

 	h, err := m.hashLabels(labels)
 	if err != nil {
@@ -128,8 +111,8 @@ 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)
-	defer putLabelsToPool(labels)
+	labels, closer := constrainLabels(m.desc, labels)
+	defer closer()

 	return m.metricMap.deleteByLabels(labels, m.curry)
 }
@@ -169,11 +152,11 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
 		oldCurry = m.curry
 		iCurry   int
 	)
-	for i, label := range m.desc.variableLabels {
-		val, ok := labels[label.Name]
+	for i, labelName := range m.desc.variableLabels.names {
+		val, ok := labels[labelName]
 		if iCurry < len(oldCurry) && oldCurry[iCurry].index == i {
 			if ok {
-				return nil, fmt.Errorf("label name %q is already curried", label.Name)
+				return nil, fmt.Errorf("label name %q is already curried", labelName)
 			}
 			newCurry = append(newCurry, oldCurry[iCurry])
 			iCurry++
@@ -181,7 +164,10 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
 			if !ok {
 				continue // Label stays uncurried.
 			}
-			newCurry = append(newCurry, curriedLabelValue{i, label.Constrain(val)})
+			newCurry = append(newCurry, curriedLabelValue{
+				i,
+				m.desc.variableLabels.constrain(labelName, val),
+			})
 		}
 	}
 	if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 {
@@ -250,8 +236,8 @@ 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)
-	defer putLabelsToPool(labels)
+	labels, closer := constrainLabels(m.desc, labels)
+	defer closer()

 	h, err := m.hashLabels(labels)
 	if err != nil {
@@ -262,7 +248,7 @@ func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
 }

 func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
-	if err := validateLabelValues(vals, len(m.desc.variableLabels)-len(m.curry)); err != nil {
+	if err := validateLabelValues(vals, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
 		return 0, err
 	}

@@ -271,7 +257,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
 		curry         = m.curry
 		iVals, iCurry int
 	)
-	for i := 0; i < len(m.desc.variableLabels); i++ {
+	for i := 0; i < len(m.desc.variableLabels.names); i++ {
 		if iCurry < len(curry) && curry[iCurry].index == i {
 			h = m.hashAdd(h, curry[iCurry].value)
 			iCurry++
@@ -285,7 +271,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
 }

 func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
-	if err := validateValuesInLabels(labels, len(m.desc.variableLabels)-len(m.curry)); err != nil {
+	if err := validateValuesInLabels(labels, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
 		return 0, err
 	}

@@ -294,17 +280,17 @@ func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
 		curry  = m.curry
 		iCurry int
 	)
-	for i, label := range m.desc.variableLabels {
-		val, ok := labels[label.Name]
+	for i, labelName := range m.desc.variableLabels.names {
+		val, ok := labels[labelName]
 		if iCurry < len(curry) && curry[iCurry].index == i {
 			if ok {
-				return 0, fmt.Errorf("label name %q is already curried", label.Name)
+				return 0, fmt.Errorf("label name %q is already curried", labelName)
 			}
 			h = m.hashAdd(h, curry[iCurry].value)
 			iCurry++
 		} else {
 			if !ok {
-				return 0, fmt.Errorf("label name %q missing in label map", label.Name)
+				return 0, fmt.Errorf("label name %q missing in label map", labelName)
 			}
 			h = m.hashAdd(h, val)
 		}
@@ -482,7 +468,7 @@ 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.labelNames())
+		varLabelIndex, validLabel := indexOf(l, desc.variableLabels.names)
 		if validLabel {
 			// Check the value of that label against the target value.
 			// We don't consider curried values in partial matches.
@@ -626,7 +612,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
 		return false
 	}
 	iCurry := 0
-	for i, k := range desc.variableLabels {
+	for i, k := range desc.variableLabels.names {
 		if iCurry < len(curry) && curry[iCurry].index == i {
 			if values[i] != curry[iCurry].value {
 				return false
@@ -634,7 +620,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
 			iCurry++
 			continue
 		}
-		if values[i] != labels[k.Name] {
+		if values[i] != labels[k] {
 			return false
 		}
 	}
@@ -644,13 +630,13 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
 func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []string {
 	labelValues := make([]string, len(labels)+len(curry))
 	iCurry := 0
-	for i, k := range desc.variableLabels {
+	for i, k := range desc.variableLabels.names {
 		if iCurry < len(curry) && curry[iCurry].index == i {
 			labelValues[i] = curry[iCurry].value
 			iCurry++
 			continue
 		}
-		labelValues[i] = labels[k.Name]
+		labelValues[i] = labels[k]
 	}
 	return labelValues
 }
@@ -670,20 +656,37 @@ func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string {
 	return labelValues
 }

-func constrainLabels(desc *Desc, labels Labels) Labels {
-	constrainedLabels := getLabelsFromPool()
-	for l, v := range labels {
-		if i, ok := indexOf(l, desc.variableLabels.labelNames()); ok {
-			v = desc.variableLabels[i].Constrain(v)
-		}
+var labelsPool = &sync.Pool{
+	New: func() interface{} {
+		return make(Labels)
+	},
+}

-		constrainedLabels[l] = v
+func constrainLabels(desc *Desc, labels Labels) (Labels, func()) {
+	if len(desc.variableLabels.labelConstraints) == 0 {
+		// Fast path when there's no constraints
+		return labels, func() {}
 	}

-	return constrainedLabels
+	constrainedLabels := labelsPool.Get().(Labels)
+	for l, v := range labels {
+		constrainedLabels[l] = desc.variableLabels.constrain(l, v)
+	}
+
+	return constrainedLabels, func() {
+		for k := range constrainedLabels {
+			delete(constrainedLabels, k)
+		}
+		labelsPool.Put(constrainedLabels)
+	}
 }

 func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) []string {
+	if len(desc.variableLabels.labelConstraints) == 0 {
+		// Fast path when there's no constraints
+		return lvs
+	}
+
 	constrainedValues := make([]string, len(lvs))
 	var iCurry, iLVs int
 	for i := 0; i < len(lvs)+len(curry); i++ {
@@ -692,8 +695,11 @@ func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) [
 			continue
 		}

-		if i < len(desc.variableLabels) {
-			constrainedValues[iLVs] = desc.variableLabels[i].Constrain(lvs[iLVs])
+		if i < len(desc.variableLabels.names) {
+			constrainedValues[iLVs] = desc.variableLabels.constrain(
+				desc.variableLabels.names[i],
+				lvs[iLVs],
+			)
 		} else {
 			constrainedValues[iLVs] = lvs[iLVs]
 		}
--- a/vendor/github.com/prometheus/client_model/go/metrics.pb.go
+++ b/vendor/github.com/prometheus/client_model/go/metrics.pb.go
@@ -215,8 +215,9 @@ type Counter struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	Value    *float64  `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"`
-	Exemplar *Exemplar `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"`
+	Value            *float64               `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"`
+	Exemplar         *Exemplar              `protobuf:"bytes,2,opt,name=exemplar" json:"exemplar,omitempty"`
+	CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
 }

 func (x *Counter) Reset() {
@@ -265,6 +266,13 @@ func (x *Counter) GetExemplar() *Exemplar {
 	return nil
 }

+func (x *Counter) GetCreatedTimestamp() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreatedTimestamp
+	}
+	return nil
+}
+
 type Quantile struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -325,9 +333,10 @@ type Summary struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	SampleCount *uint64     `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
-	SampleSum   *float64    `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
-	Quantile    []*Quantile `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"`
+	SampleCount      *uint64                `protobuf:"varint,1,opt,name=sample_count,json=sampleCount" json:"sample_count,omitempty"`
+	SampleSum        *float64               `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
+	Quantile         []*Quantile            `protobuf:"bytes,3,rep,name=quantile" json:"quantile,omitempty"`
+	CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
 }

 func (x *Summary) Reset() {
@@ -383,6 +392,13 @@ func (x *Summary) GetQuantile() []*Quantile {
 	return nil
 }

+func (x *Summary) GetCreatedTimestamp() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreatedTimestamp
+	}
+	return nil
+}
+
 type Untyped struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -439,7 +455,8 @@ type Histogram struct {
 	SampleCountFloat *float64 `protobuf:"fixed64,4,opt,name=sample_count_float,json=sampleCountFloat" json:"sample_count_float,omitempty"` // Overrides sample_count if > 0.
 	SampleSum        *float64 `protobuf:"fixed64,2,opt,name=sample_sum,json=sampleSum" json:"sample_sum,omitempty"`
 	// Buckets for the conventional histogram.
-	Bucket []*Bucket `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` // Ordered in increasing order of upper_bound, +Inf bucket is optional.
+	Bucket           []*Bucket              `protobuf:"bytes,3,rep,name=bucket" json:"bucket,omitempty"` // Ordered in increasing order of upper_bound, +Inf bucket is optional.
+	CreatedTimestamp *timestamppb.Timestamp `protobuf:"bytes,15,opt,name=created_timestamp,json=createdTimestamp" json:"created_timestamp,omitempty"`
 	// schema defines the bucket schema. Currently, valid numbers are -4 <= n <= 8.
 	// They are all for base-2 bucket schemas, where 1 is a bucket boundary in each case, and
 	// then each power of two is divided into 2^n logarithmic buckets.
@@ -457,6 +474,9 @@ type Histogram struct {
 	NegativeDelta []int64   `protobuf:"zigzag64,10,rep,name=negative_delta,json=negativeDelta" json:"negative_delta,omitempty"` // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
 	NegativeCount []float64 `protobuf:"fixed64,11,rep,name=negative_count,json=negativeCount" json:"negative_count,omitempty"`  // Absolute count of each bucket.
 	// Positive buckets for the native histogram.
+	// Use a no-op span (offset 0, length 0) for a native histogram without any
+	// observations yet and with a zero_threshold of 0. Otherwise, it would be
+	// indistinguishable from a classic histogram.
 	PositiveSpan []*BucketSpan `protobuf:"bytes,12,rep,name=positive_span,json=positiveSpan" json:"positive_span,omitempty"`
 	// Use either "positive_delta" or "positive_count", the former for
 	// regular histograms with integer counts, the latter for float
@@ -525,6 +545,13 @@ func (x *Histogram) GetBucket() []*Bucket {
 	return nil
 }

+func (x *Histogram) GetCreatedTimestamp() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreatedTimestamp
+	}
+	return nil
+}
+
 func (x *Histogram) GetSchema() int32 {
 	if x != nil && x.Schema != nil {
 		return *x.Schema
@@ -972,137 +999,151 @@ var file_io_prometheus_client_metrics_proto_rawDesc = []byte{
 	0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c,
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 }

 var (
@@ -1137,26 +1178,29 @@ var file_io_prometheus_client_metrics_proto_goTypes = []interface{}{
 }
 var file_io_prometheus_client_metrics_proto_depIdxs = []int32{
 	10, // 0: io.prometheus.client.Counter.exemplar:type_name -> io.prometheus.client.Exemplar
-	4,  // 1: io.prometheus.client.Summary.quantile:type_name -> io.prometheus.client.Quantile
-	8,  // 2: io.prometheus.client.Histogram.bucket:type_name -> io.prometheus.client.Bucket
-	9,  // 3: io.prometheus.client.Histogram.negative_span:type_name -> io.prometheus.client.BucketSpan
-	9,  // 4: io.prometheus.client.Histogram.positive_span:type_name -> io.prometheus.client.BucketSpan
-	10, // 5: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar
-	1,  // 6: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair
-	13, // 7: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp
-	1,  // 8: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair
-	2,  // 9: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge
-	3,  // 10: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter
-	5,  // 11: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary
-	6,  // 12: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped
-	7,  // 13: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram
-	0,  // 14: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType
-	11, // 15: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric
-	16, // [16:16] is the sub-list for method output_type
-	16, // [16:16] is the sub-list for method input_type
-	16, // [16:16] is the sub-list for extension type_name
-	16, // [16:16] is the sub-list for extension extendee
-	0,  // [0:16] is the sub-list for field type_name
+	13, // 1: io.prometheus.client.Counter.created_timestamp:type_name -> google.protobuf.Timestamp
+	4,  // 2: io.prometheus.client.Summary.quantile:type_name -> io.prometheus.client.Quantile
+	13, // 3: io.prometheus.client.Summary.created_timestamp:type_name -> google.protobuf.Timestamp
+	8,  // 4: io.prometheus.client.Histogram.bucket:type_name -> io.prometheus.client.Bucket
+	13, // 5: io.prometheus.client.Histogram.created_timestamp:type_name -> google.protobuf.Timestamp
+	9,  // 6: io.prometheus.client.Histogram.negative_span:type_name -> io.prometheus.client.BucketSpan
+	9,  // 7: io.prometheus.client.Histogram.positive_span:type_name -> io.prometheus.client.BucketSpan
+	10, // 8: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar
+	1,  // 9: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair
+	13, // 10: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp
+	1,  // 11: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair
+	2,  // 12: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge
+	3,  // 13: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter
+	5,  // 14: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary
+	6,  // 15: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped
+	7,  // 16: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram
+	0,  // 17: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType
+	11, // 18: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric
+	19, // [19:19] is the sub-list for method output_type
+	19, // [19:19] is the sub-list for method input_type
+	19, // [19:19] is the sub-list for extension type_name
+	19, // [19:19] is the sub-list for extension extendee
+	0,  // [0:19] is the sub-list for field type_name
 }

 func init() { file_io_prometheus_client_metrics_proto_init() }
--- a/vendor/github.com/prometheus/common/expfmt/decode.go
+++ b/vendor/github.com/prometheus/common/expfmt/decode.go
@@ -22,7 +22,7 @@ import (

 	dto "github.com/prometheus/client_model/go"

-	"github.com/matttproud/golang_protobuf_extensions/pbutil"
+	"github.com/matttproud/golang_protobuf_extensions/v2/pbutil"
 	"github.com/prometheus/common/model"
 )

--- a/vendor/github.com/prometheus/common/expfmt/encode.go
+++ b/vendor/github.com/prometheus/common/expfmt/encode.go
@@ -18,7 +18,7 @@ import (
 	"io"
 	"net/http"

-	"github.com/matttproud/golang_protobuf_extensions/pbutil"
+	"github.com/matttproud/golang_protobuf_extensions/v2/pbutil"
 	"github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
 	"google.golang.org/protobuf/encoding/prototext"

--- a/vendor/github.com/prometheus/procfs/Makefile.common
+++ b/vendor/github.com/prometheus/procfs/Makefile.common
@@ -61,7 +61,7 @@ PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_
 SKIP_GOLANGCI_LINT :=
 GOLANGCI_LINT :=
 GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.53.3
+GOLANGCI_LINT_VERSION ?= v1.54.2
 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
 # windows isn't included here because of the path separator being different.
 ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
--- a/vendor/github.com/prometheus/procfs/fs_statfs_notype.go
+++ b/vendor/github.com/prometheus/procfs/fs_statfs_notype.go
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-//go:build netbsd || openbsd || solaris || windows || nostatfs
-// +build netbsd openbsd solaris windows nostatfs
+//go:build !freebsd && !linux
+// +build !freebsd,!linux

 package procfs

--- a/vendor/github.com/prometheus/procfs/fs_statfs_type.go
+++ b/vendor/github.com/prometheus/procfs/fs_statfs_type.go
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-//go:build !netbsd && !openbsd && !solaris && !windows && !nostatfs
-// +build !netbsd,!openbsd,!solaris,!windows,!nostatfs
+//go:build freebsd || linux
+// +build freebsd linux

 package procfs

--- a/vendor/github.com/prometheus/procfs/mountstats.go
+++ b/vendor/github.com/prometheus/procfs/mountstats.go
@@ -44,6 +44,14 @@ const (

 	fieldTransport11TCPLen = 13
 	fieldTransport11UDPLen = 10
+
+	// kernel version >= 4.14 MaxLen
+	// See: https://elixir.bootlin.com/linux/v6.4.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L393
+	fieldTransport11RDMAMaxLen = 28
+
+	// kernel version <= 4.2 MinLen
+	// See: https://elixir.bootlin.com/linux/v4.2.8/source/net/sunrpc/xprtrdma/xprt_rdma.h#L331
+	fieldTransport11RDMAMinLen = 20
 )

 // A Mount is a device mount parsed from /proc/[pid]/mountstats.
@@ -233,6 +241,33 @@ type NFSTransportStats struct {
 	// A running counter, incremented on each request as the current size of the
 	// pending queue.
 	CumulativePendingQueue uint64
+
+	// Stats below only available with stat version 1.1.
+	// Transport over RDMA
+
+	// accessed when sending a call
+	ReadChunkCount   uint64
+	WriteChunkCount  uint64
+	ReplyChunkCount  uint64
+	TotalRdmaRequest uint64
+
+	// rarely accessed error counters
+	PullupCopyCount      uint64
+	HardwayRegisterCount uint64
+	FailedMarshalCount   uint64
+	BadReplyCount        uint64
+	MrsRecovered         uint64
+	MrsOrphaned          uint64
+	MrsAllocated         uint64
+	EmptySendctxQ        uint64
+
+	// accessed when receiving a reply
+	TotalRdmaReply    uint64
+	FixupCopyCount    uint64
+	ReplyWaitsForSend uint64
+	LocalInvNeeded    uint64
+	NomsgCallCount    uint64
+	BcallCount        uint64
 }

 // parseMountStats parses a /proc/[pid]/mountstats file and returns a slice
@@ -587,14 +622,17 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
 			expectedLength = fieldTransport11TCPLen
 		} else if protocol == "udp" {
 			expectedLength = fieldTransport11UDPLen
+		} else if protocol == "rdma" {
+			expectedLength = fieldTransport11RDMAMinLen
 		} else {
 			return nil, fmt.Errorf("%w: invalid NFS protocol \"%s\" in stats 1.1 statement: %v", ErrFileParse, protocol, ss)
 		}
-		if len(ss) != expectedLength {
-			return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v", ErrFileParse, ss)
+		if (len(ss) != expectedLength && (protocol == "tcp" || protocol == "udp")) ||
+			(protocol == "rdma" && len(ss) < expectedLength) {
+			return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v, protocol: %v", ErrFileParse, ss, protocol)
 		}
 	default:
-		return nil, fmt.Errorf("%s: Unrecognized NFS transport stats version: %q", ErrFileParse, statVersion)
+		return nil, fmt.Errorf("%s: Unrecognized NFS transport stats version: %q, protocol: %v", ErrFileParse, statVersion, protocol)
 	}

 	// Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay
@@ -604,7 +642,9 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
 	// Note: slice length must be set to length of v1.1 stats to avoid a panic when
 	// only v1.0 stats are present.
 	// See: https://github.com/prometheus/node_exporter/issues/571.
-	ns := make([]uint64, fieldTransport11TCPLen)
+	//
+	// Note: NFS Over RDMA slice length is fieldTransport11RDMAMaxLen
+	ns := make([]uint64, fieldTransport11RDMAMaxLen+3)
 	for i, s := range ss {
 		n, err := strconv.ParseUint(s, 10, 64)
 		if err != nil {
@@ -622,9 +662,14 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
 	// we set them to 0 here.
 	if protocol == "udp" {
 		ns = append(ns[:2], append(make([]uint64, 3), ns[2:]...)...)
+	} else if protocol == "tcp" {
+		ns = append(ns[:fieldTransport11TCPLen], make([]uint64, fieldTransport11RDMAMaxLen-fieldTransport11TCPLen+3)...)
+	} else if protocol == "rdma" {
+		ns = append(ns[:fieldTransport10TCPLen], append(make([]uint64, 3), ns[fieldTransport10TCPLen:]...)...)
 	}

 	return &NFSTransportStats{
+		// NFS xprt over tcp or udp
 		Protocol:                 protocol,
 		Port:                     ns[0],
 		Bind:                     ns[1],
@@ -636,8 +681,32 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
 		BadTransactionIDs:        ns[7],
 		CumulativeActiveRequests: ns[8],
 		CumulativeBacklog:        ns[9],
-		MaximumRPCSlotsUsed:      ns[10],
-		CumulativeSendingQueue:   ns[11],
-		CumulativePendingQueue:   ns[12],
+
+		// NFS xprt over tcp or udp
+		// And statVersion 1.1
+		MaximumRPCSlotsUsed:    ns[10],
+		CumulativeSendingQueue: ns[11],
+		CumulativePendingQueue: ns[12],
+
+		// NFS xprt over rdma
+		// And stat Version 1.1
+		ReadChunkCount:       ns[13],
+		WriteChunkCount:      ns[14],
+		ReplyChunkCount:      ns[15],
+		TotalRdmaRequest:     ns[16],
+		PullupCopyCount:      ns[17],
+		HardwayRegisterCount: ns[18],
+		FailedMarshalCount:   ns[19],
+		BadReplyCount:        ns[20],
+		MrsRecovered:         ns[21],
+		MrsOrphaned:          ns[22],
+		MrsAllocated:         ns[23],
+		EmptySendctxQ:        ns[24],
+		TotalRdmaReply:       ns[25],
+		FixupCopyCount:       ns[26],
+		ReplyWaitsForSend:    ns[27],
+		LocalInvNeeded:       ns[28],
+		NomsgCallCount:       ns[29],
+		BcallCount:           ns[30],
 	}, nil
 }
--- a/vendor/github.com/prometheus/procfs/proc_fdinfo.go
+++ b/vendor/github.com/prometheus/procfs/proc_fdinfo.go
@@ -26,6 +26,7 @@ var (
 	rPos          = regexp.MustCompile(`^pos:\s+(\d+)$`)
 	rFlags        = regexp.MustCompile(`^flags:\s+(\d+)$`)
 	rMntID        = regexp.MustCompile(`^mnt_id:\s+(\d+)$`)
+	rIno          = regexp.MustCompile(`^ino:\s+(\d+)$`)
 	rInotify      = regexp.MustCompile(`^inotify`)
 	rInotifyParts = regexp.MustCompile(`^inotify\s+wd:([0-9a-f]+)\s+ino:([0-9a-f]+)\s+sdev:([0-9a-f]+)(?:\s+mask:([0-9a-f]+))?`)
 )
@@ -40,6 +41,8 @@ type ProcFDInfo struct {
 	Flags string
 	// Mount point ID
 	MntID string
+	// Inode number
+	Ino string
 	// List of inotify lines (structured) in the fdinfo file (kernel 3.8+ only)
 	InotifyInfos []InotifyInfo
 }
@@ -51,7 +54,7 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
 		return nil, err
 	}

-	var text, pos, flags, mntid string
+	var text, pos, flags, mntid, ino string
 	var inotify []InotifyInfo

 	scanner := bufio.NewScanner(bytes.NewReader(data))
@@ -63,6 +66,8 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
 			flags = rFlags.FindStringSubmatch(text)[1]
 		} else if rMntID.MatchString(text) {
 			mntid = rMntID.FindStringSubmatch(text)[1]
+		} else if rIno.MatchString(text) {
+			ino = rIno.FindStringSubmatch(text)[1]
 		} else if rInotify.MatchString(text) {
 			newInotify, err := parseInotifyInfo(text)
 			if err != nil {
@@ -77,6 +82,7 @@ func (p Proc) FDInfo(fd string) (*ProcFDInfo, error) {
 		Pos:          pos,
 		Flags:        flags,
 		MntID:        mntid,
+		Ino:          ino,
 		InotifyInfos: inotify,
 	}

--- a/vendor/github.com/prometheus/procfs/proc_maps.go
+++ b/vendor/github.com/prometheus/procfs/proc_maps.go
@@ -63,17 +63,17 @@ type ProcMap struct {
 // parseDevice parses the device token of a line and converts it to a dev_t
 // (mkdev) like structure.
 func parseDevice(s string) (uint64, error) {
-	toks := strings.Split(s, ":")
-	if len(toks) < 2 {
-		return 0, fmt.Errorf("%w: unexpected number of fields, expected: 2, got: %q", ErrFileParse, len(toks))
+	i := strings.Index(s, ":")
+	if i == -1 {
+		return 0, fmt.Errorf("%w: expected separator `:` in %s", ErrFileParse, s)
 	}

-	major, err := strconv.ParseUint(toks[0], 16, 0)
+	major, err := strconv.ParseUint(s[0:i], 16, 0)
 	if err != nil {
 		return 0, err
 	}

-	minor, err := strconv.ParseUint(toks[1], 16, 0)
+	minor, err := strconv.ParseUint(s[i+1:], 16, 0)
 	if err != nil {
 		return 0, err
 	}
@@ -93,17 +93,17 @@ func parseAddress(s string) (uintptr, error) {

 // parseAddresses parses the start-end address.
 func parseAddresses(s string) (uintptr, uintptr, error) {
-	toks := strings.Split(s, "-")
-	if len(toks) < 2 {
-		return 0, 0, fmt.Errorf("%w: invalid address", ErrFileParse)
+	idx := strings.Index(s, "-")
+	if idx == -1 {
+		return 0, 0, fmt.Errorf("%w: expected separator `-` in %s", ErrFileParse, s)
 	}

-	saddr, err := parseAddress(toks[0])
+	saddr, err := parseAddress(s[0:idx])
 	if err != nil {
 		return 0, 0, err
 	}

-	eaddr, err := parseAddress(toks[1])
+	eaddr, err := parseAddress(s[idx+1:])
 	if err != nil {
 		return 0, 0, err
 	}
--- a/vendor/github.com/prometheus/procfs/proc_status.go
+++ b/vendor/github.com/prometheus/procfs/proc_status.go
@@ -23,7 +23,7 @@ import (
 )

 // ProcStatus provides status information about the process,
-// read from /proc/[pid]/stat.
+// read from /proc/[pid]/status.
 type ProcStatus struct {
 	// The process ID.
 	PID int
@@ -32,6 +32,8 @@ type ProcStatus struct {

 	// Thread group ID.
 	TGID int
+	// List of Pid namespace.
+	NSpids []uint64

 	// Peak virtual memory size.
 	VmPeak uint64 // nolint:revive
@@ -127,6 +129,8 @@ func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintByt
 		copy(s.UIDs[:], strings.Split(vString, "\t"))
 	case "Gid":
 		copy(s.GIDs[:], strings.Split(vString, "\t"))
+	case "NSpid":
+		s.NSpids = calcNSPidsList(vString)
 	case "VmPeak":
 		s.VmPeak = vUintBytes
 	case "VmSize":
@@ -200,3 +204,18 @@ func calcCpusAllowedList(cpuString string) []uint64 {
 	sort.Slice(g, func(i, j int) bool { return g[i] < g[j] })
 	return g
 }
+
+func calcNSPidsList(nspidsString string) []uint64 {
+	s := strings.Split(nspidsString, " ")
+	var nspids []uint64
+
+	for _, nspid := range s {
+		nspid, _ := strconv.ParseUint(nspid, 10, 64)
+		if nspid == 0 {
+			continue
+		}
+		nspids = append(nspids, nspid)
+	}
+
+	return nspids
+}