diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/sdk/metric/internal')
7 files changed, 48 insertions, 71 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/drop.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/drop.go index 8396faaa4..129920cbd 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/drop.go +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/drop.go @@ -18,10 +18,10 @@ func dropReservoir[N int64 | float64](attribute.Set) FilteredExemplarReservoir[N type dropRes[N int64 | float64] struct{} // Offer does nothing, all measurements offered will be dropped. -func (r *dropRes[N]) Offer(context.Context, N, []attribute.KeyValue) {} +func (*dropRes[N]) Offer(context.Context, N, []attribute.KeyValue) {} // Collect resets dest. No exemplars will ever be returned. -func (r *dropRes[N]) Collect(dest *[]exemplar.Exemplar) { +func (*dropRes[N]) Collect(dest *[]exemplar.Exemplar) { clear(*dest) // Erase elements to let GC collect objects *dest = (*dest)[:0] } diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/exponential_histogram.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/exponential_histogram.go index ae1f59344..857eddf30 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/exponential_histogram.go +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/exponential_histogram.go @@ -183,8 +183,8 @@ func (p *expoHistogramDataPoint[N]) scaleChange(bin, startBin int32, length int) var count int32 for high-low >= p.maxSize { - low = low >> 1 - high = high >> 1 + low >>= 1 + high >>= 1 count++ if count > expoMaxScale-expoMinScale { return count @@ -225,7 +225,7 @@ func (b *expoBuckets) record(bin int32) { b.counts = append(b.counts, make([]uint64, newLength-len(b.counts))...) } - copy(b.counts[shift:origLen+int(shift)], b.counts[:]) + copy(b.counts[shift:origLen+int(shift)], b.counts) b.counts = b.counts[:newLength] for i := 1; i < int(shift); i++ { b.counts[i] = 0 @@ -264,7 +264,7 @@ func (b *expoBuckets) downscale(delta int32) { // new Counts: [4, 14, 30, 10] if len(b.counts) <= 1 || delta < 1 { - b.startBin = b.startBin >> delta + b.startBin >>= delta return } @@ -282,7 +282,7 @@ func (b *expoBuckets) downscale(delta int32) { lastIdx := (len(b.counts) - 1 + int(offset)) / int(steps) b.counts = b.counts[:lastIdx+1] - b.startBin = b.startBin >> delta + b.startBin >>= delta } // newExponentialHistogram returns an Aggregator that summarizes a set of @@ -350,7 +350,9 @@ func (e *expoHistogram[N]) measure( v.res.Offer(ctx, value, droppedAttr) } -func (e *expoHistogram[N]) delta(dest *metricdata.Aggregation) int { +func (e *expoHistogram[N]) delta( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.ExponentialHistogram, memory reuse is missed. @@ -411,7 +413,9 @@ func (e *expoHistogram[N]) delta(dest *metricdata.Aggregation) int { return n } -func (e *expoHistogram[N]) cumulative(dest *metricdata.Aggregation) int { +func (e *expoHistogram[N]) cumulative( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.ExponentialHistogram, memory reuse is missed. diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/histogram.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/histogram.go index d3068484c..736287e73 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/histogram.go +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/histogram.go @@ -140,7 +140,9 @@ type histogram[N int64 | float64] struct { start time.Time } -func (s *histogram[N]) delta(dest *metricdata.Aggregation) int { +func (s *histogram[N]) delta( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.Histogram, memory reuse is missed. In that @@ -190,7 +192,9 @@ func (s *histogram[N]) delta(dest *metricdata.Aggregation) int { return n } -func (s *histogram[N]) cumulative(dest *metricdata.Aggregation) int { +func (s *histogram[N]) cumulative( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.Histogram, memory reuse is missed. In that diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/lastvalue.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/lastvalue.go index 350ccebdc..4bbe624c7 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/lastvalue.go +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/lastvalue.go @@ -55,7 +55,9 @@ func (s *lastValue[N]) measure(ctx context.Context, value N, fltrAttr attribute. s.values[attr.Equivalent()] = d } -func (s *lastValue[N]) delta(dest *metricdata.Aggregation) int { +func (s *lastValue[N]) delta( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // Ignore if dest is not a metricdata.Gauge. The chance for memory reuse of // the DataPoints is missed (better luck next time). @@ -75,7 +77,9 @@ func (s *lastValue[N]) delta(dest *metricdata.Aggregation) int { return n } -func (s *lastValue[N]) cumulative(dest *metricdata.Aggregation) int { +func (s *lastValue[N]) cumulative( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // Ignore if dest is not a metricdata.Gauge. The chance for memory reuse of // the DataPoints is missed (better luck next time). @@ -126,7 +130,9 @@ type precomputedLastValue[N int64 | float64] struct { *lastValue[N] } -func (s *precomputedLastValue[N]) delta(dest *metricdata.Aggregation) int { +func (s *precomputedLastValue[N]) delta( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // Ignore if dest is not a metricdata.Gauge. The chance for memory reuse of // the DataPoints is missed (better luck next time). @@ -146,7 +152,9 @@ func (s *precomputedLastValue[N]) delta(dest *metricdata.Aggregation) int { return n } -func (s *precomputedLastValue[N]) cumulative(dest *metricdata.Aggregation) int { +func (s *precomputedLastValue[N]) cumulative( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // Ignore if dest is not a metricdata.Gauge. The chance for memory reuse of // the DataPoints is missed (better luck next time). diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/sum.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/sum.go index 612cde432..1b4b2304c 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/sum.go +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/sum.go @@ -70,7 +70,9 @@ type sum[N int64 | float64] struct { start time.Time } -func (s *sum[N]) delta(dest *metricdata.Aggregation) int { +func (s *sum[N]) delta( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.Sum, memory reuse is missed. In that case, @@ -105,7 +107,9 @@ func (s *sum[N]) delta(dest *metricdata.Aggregation) int { return n } -func (s *sum[N]) cumulative(dest *metricdata.Aggregation) int { +func (s *sum[N]) cumulative( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.Sum, memory reuse is missed. In that case, @@ -165,7 +169,9 @@ type precomputedSum[N int64 | float64] struct { reported map[attribute.Distinct]N } -func (s *precomputedSum[N]) delta(dest *metricdata.Aggregation) int { +func (s *precomputedSum[N]) delta( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() newReported := make(map[attribute.Distinct]N) @@ -206,7 +212,9 @@ func (s *precomputedSum[N]) delta(dest *metricdata.Aggregation) int { return n } -func (s *precomputedSum[N]) cumulative(dest *metricdata.Aggregation) int { +func (s *precomputedSum[N]) cumulative( + dest *metricdata.Aggregation, //nolint:gocritic // The pointer is needed for the ComputeAggregation interface +) int { t := now() // If *dest is not a metricdata.Sum, memory reuse is missed. In that case, diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/README.md b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/README.md index 59f736b73..be0714a5f 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/README.md +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/README.md @@ -1,47 +1,16 @@ # Experimental Features -The metric SDK contains features that have not yet stabilized in the OpenTelemetry specification. -These features are added to the OpenTelemetry Go metric SDK prior to stabilization in the specification so that users can start experimenting with them and provide feedback. +The Metric SDK contains features that have not yet stabilized in the OpenTelemetry specification. +These features are added to the OpenTelemetry Go Metric SDK prior to stabilization in the specification so that users can start experimenting with them and provide feedback. These feature may change in backwards incompatible ways as feedback is applied. See the [Compatibility and Stability](#compatibility-and-stability) section for more information. ## Features -- [Cardinality Limit](#cardinality-limit) - [Exemplars](#exemplars) - [Instrument Enabled](#instrument-enabled) -### Cardinality Limit - -The cardinality limit is the hard limit on the number of metric streams that can be collected for a single instrument. - -This experimental feature can be enabled by setting the `OTEL_GO_X_CARDINALITY_LIMIT` environment value. -The value must be an integer value. -All other values are ignored. - -If the value set is less than or equal to `0`, no limit will be applied. - -#### Examples - -Set the cardinality limit to 2000. - -```console -export OTEL_GO_X_CARDINALITY_LIMIT=2000 -``` - -Set an infinite cardinality limit (functionally equivalent to disabling the feature). - -```console -export OTEL_GO_X_CARDINALITY_LIMIT=-1 -``` - -Disable the cardinality limit. - -```console -unset OTEL_GO_X_CARDINALITY_LIMIT -``` - ### Exemplars A sample of measurements made may be exported directly as a set of exemplars. diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/x.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/x.go index a98606238..294dcf846 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/x.go +++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/x/x.go @@ -10,25 +10,8 @@ package x // import "go.opentelemetry.io/otel/sdk/metric/internal/x" import ( "context" "os" - "strconv" ) -// CardinalityLimit is an experimental feature flag that defines if -// cardinality limits should be applied to the recorded metric data-points. -// -// To enable this feature set the OTEL_GO_X_CARDINALITY_LIMIT environment -// variable to the integer limit value you want to use. -// -// Setting OTEL_GO_X_CARDINALITY_LIMIT to a value less than or equal to 0 -// will disable the cardinality limits. -var CardinalityLimit = newFeature("CARDINALITY_LIMIT", func(v string) (int, bool) { - n, err := strconv.Atoi(v) - if err != nil { - return 0, false - } - return n, true -}) - // Feature is an experimental feature control flag. It provides a uniform way // to interact with these feature flags and parse their values. type Feature[T any] struct { @@ -36,6 +19,7 @@ type Feature[T any] struct { parse func(v string) (T, bool) } +//nolint:unused func newFeature[T any](suffix string, parse func(string) (T, bool)) Feature[T] { const envKeyRoot = "OTEL_GO_X_" return Feature[T]{ @@ -63,7 +47,7 @@ func (f Feature[T]) Lookup() (v T, ok bool) { return f.parse(vRaw) } -// Enabled returns if the feature is enabled. +// Enabled reports whether the feature is enabled. func (f Feature[T]) Enabled() bool { _, ok := f.Lookup() return ok @@ -73,7 +57,7 @@ func (f Feature[T]) Enabled() bool { // // EnabledInstrument interface is implemented by synchronous instruments. type EnabledInstrument interface { - // Enabled returns whether the instrument will process measurements for the given context. + // Enabled reports whether the instrument will process measurements for the given context. // // This function can be used in places where measuring an instrument // would result in computationally expensive operations. |