mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
0bb12d9b1b
* New label set API * Checkpoint * Remove label.Labels interface * Fix trace * Remove label storage * Restore metric_test.go * Tidy tests * More comments * More comments * Same changes as 654 * Checkpoint * Fix batch labels * Avoid Resource.Attributes() where possible * Update comments and restore order in resource.go * From feedback * From feedback * Move iterator_test & feedback * Strenghten the label.Set test * Feedback on typos * Fix the set test per @krnowak * Nit
616 lines
13 KiB
Go
616 lines
13 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metric_test
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import (
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"context"
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"fmt"
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"math/rand"
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"strings"
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"testing"
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"go.opentelemetry.io/otel/api/core"
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"go.opentelemetry.io/otel/api/key"
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"go.opentelemetry.io/otel/api/label"
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"go.opentelemetry.io/otel/api/metric"
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export "go.opentelemetry.io/otel/sdk/export/metric"
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sdk "go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/ddsketch"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/minmaxsumcount"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
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)
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type processFunc func(context.Context, export.Record) error
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type benchFixture struct {
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meter metric.MeterMust
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sdk *sdk.SDK
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B *testing.B
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pcb processFunc
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}
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func newFixture(b *testing.B) *benchFixture {
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b.ReportAllocs()
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bf := &benchFixture{
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B: b,
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}
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bf.sdk = sdk.New(bf)
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bf.meter = metric.Must(metric.WrapMeterImpl(bf.sdk, "benchmarks"))
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return bf
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}
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func (f *benchFixture) setProcessCallback(cb processFunc) {
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f.pcb = cb
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}
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func (*benchFixture) AggregatorFor(descriptor *metric.Descriptor) export.Aggregator {
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name := descriptor.Name()
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switch {
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case strings.HasSuffix(name, "counter"):
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return sum.New()
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case strings.HasSuffix(name, "lastvalue"):
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return lastvalue.New()
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default:
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if strings.HasSuffix(descriptor.Name(), "minmaxsumcount") {
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return minmaxsumcount.New(descriptor)
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} else if strings.HasSuffix(descriptor.Name(), "ddsketch") {
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return ddsketch.New(ddsketch.NewDefaultConfig(), descriptor)
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} else if strings.HasSuffix(descriptor.Name(), "array") {
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return ddsketch.New(ddsketch.NewDefaultConfig(), descriptor)
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}
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}
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return nil
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}
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func (f *benchFixture) Process(ctx context.Context, rec export.Record) error {
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if f.pcb == nil {
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return nil
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}
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return f.pcb(ctx, rec)
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}
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func (*benchFixture) CheckpointSet() export.CheckpointSet {
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return nil
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}
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func (*benchFixture) FinishedCollection() {
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}
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func makeManyLabels(n int) [][]core.KeyValue {
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r := make([][]core.KeyValue, n)
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for i := 0; i < n; i++ {
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r[i] = makeLabels(1)
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}
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return r
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}
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func makeLabels(n int) []core.KeyValue {
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used := map[string]bool{}
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l := make([]core.KeyValue, n)
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for i := 0; i < n; i++ {
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var k string
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for {
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k = fmt.Sprint("k", rand.Intn(1000000000))
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if !used[k] {
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used[k] = true
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break
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}
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}
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l[i] = key.New(k).String(fmt.Sprint("v", rand.Intn(1000000000)))
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}
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return l
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}
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func benchmarkLabels(b *testing.B, n int) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(n)
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cnt := fix.meter.NewInt64Counter("int64.counter")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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cnt.Add(ctx, 1, labs...)
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}
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}
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func BenchmarkInt64CounterAddWithLabels_1(b *testing.B) {
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benchmarkLabels(b, 1)
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}
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func BenchmarkInt64CounterAddWithLabels_2(b *testing.B) {
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benchmarkLabels(b, 2)
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}
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func BenchmarkInt64CounterAddWithLabels_4(b *testing.B) {
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benchmarkLabels(b, 4)
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}
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func BenchmarkInt64CounterAddWithLabels_8(b *testing.B) {
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benchmarkLabels(b, 8)
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}
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func BenchmarkInt64CounterAddWithLabels_16(b *testing.B) {
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benchmarkLabels(b, 16)
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}
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// Note: performance does not depend on label set size for the
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// benchmarks below--all are benchmarked for a single label.
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func BenchmarkAcquireNewHandle(b *testing.B) {
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fix := newFixture(b)
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labelSets := makeManyLabels(b.N)
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cnt := fix.meter.NewInt64Counter("int64.counter")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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cnt.Bind(labelSets[i]...)
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}
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}
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func BenchmarkAcquireExistingHandle(b *testing.B) {
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fix := newFixture(b)
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labelSets := makeManyLabels(b.N)
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cnt := fix.meter.NewInt64Counter("int64.counter")
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for i := 0; i < b.N; i++ {
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cnt.Bind(labelSets[i]...).Unbind()
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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cnt.Bind(labelSets[i]...)
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}
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}
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func BenchmarkAcquireReleaseExistingHandle(b *testing.B) {
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fix := newFixture(b)
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labelSets := makeManyLabels(b.N)
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cnt := fix.meter.NewInt64Counter("int64.counter")
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for i := 0; i < b.N; i++ {
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cnt.Bind(labelSets[i]...).Unbind()
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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cnt.Bind(labelSets[i]...).Unbind()
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}
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}
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// Iterators
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var benchmarkIteratorVar core.KeyValue
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func benchmarkIterator(b *testing.B, n int) {
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fix := newFixture(b)
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fix.setProcessCallback(func(ctx context.Context, rec export.Record) error {
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var kv core.KeyValue
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li := rec.Labels().Iter()
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fix.B.StartTimer()
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for i := 0; i < fix.B.N; i++ {
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iter := li
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// test getting only the first element
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if iter.Next() {
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kv = iter.Label()
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}
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}
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fix.B.StopTimer()
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benchmarkIteratorVar = kv
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return nil
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})
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cnt := fix.meter.NewInt64Counter("int64.counter")
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ctx := context.Background()
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cnt.Add(ctx, 1, makeLabels(n)...)
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b.ResetTimer()
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fix.sdk.Collect(ctx)
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}
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func BenchmarkIterator_0(b *testing.B) {
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benchmarkIterator(b, 0)
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}
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func BenchmarkIterator_1(b *testing.B) {
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benchmarkIterator(b, 1)
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}
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func BenchmarkIterator_2(b *testing.B) {
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benchmarkIterator(b, 2)
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}
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func BenchmarkIterator_4(b *testing.B) {
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benchmarkIterator(b, 4)
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}
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func BenchmarkIterator_8(b *testing.B) {
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benchmarkIterator(b, 8)
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}
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func BenchmarkIterator_16(b *testing.B) {
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benchmarkIterator(b, 16)
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}
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// Counters
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func BenchmarkInt64CounterAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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cnt := fix.meter.NewInt64Counter("int64.counter")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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cnt.Add(ctx, 1, labs...)
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}
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}
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func BenchmarkInt64CounterHandleAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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cnt := fix.meter.NewInt64Counter("int64.counter")
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handle := cnt.Bind(labs...)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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handle.Add(ctx, 1)
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}
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}
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func BenchmarkFloat64CounterAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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cnt := fix.meter.NewFloat64Counter("float64.counter")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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cnt.Add(ctx, 1.1, labs...)
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}
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}
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func BenchmarkFloat64CounterHandleAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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cnt := fix.meter.NewFloat64Counter("float64.counter")
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handle := cnt.Bind(labs...)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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handle.Add(ctx, 1.1)
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}
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}
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// LastValue
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func BenchmarkInt64LastValueAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewInt64Measure("int64.lastvalue")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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mea.Record(ctx, int64(i), labs...)
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}
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}
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func BenchmarkInt64LastValueHandleAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewInt64Measure("int64.lastvalue")
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handle := mea.Bind(labs...)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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handle.Record(ctx, int64(i))
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}
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}
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func BenchmarkFloat64LastValueAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewFloat64Measure("float64.lastvalue")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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mea.Record(ctx, float64(i), labs...)
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}
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}
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func BenchmarkFloat64LastValueHandleAdd(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewFloat64Measure("float64.lastvalue")
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handle := mea.Bind(labs...)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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handle.Record(ctx, float64(i))
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}
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}
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// Measures
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func benchmarkInt64MeasureAdd(b *testing.B, name string) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewInt64Measure(name)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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mea.Record(ctx, int64(i), labs...)
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}
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}
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func benchmarkInt64MeasureHandleAdd(b *testing.B, name string) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewInt64Measure(name)
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handle := mea.Bind(labs...)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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handle.Record(ctx, int64(i))
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}
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}
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func benchmarkFloat64MeasureAdd(b *testing.B, name string) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewFloat64Measure(name)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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mea.Record(ctx, float64(i), labs...)
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}
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}
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func benchmarkFloat64MeasureHandleAdd(b *testing.B, name string) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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mea := fix.meter.NewFloat64Measure(name)
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handle := mea.Bind(labs...)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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handle.Record(ctx, float64(i))
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}
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}
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// Observers
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func BenchmarkObserverRegistration(b *testing.B) {
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fix := newFixture(b)
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names := make([]string, 0, b.N)
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for i := 0; i < b.N; i++ {
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names = append(names, fmt.Sprintf("test.observer.%d", i))
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}
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cb := func(result metric.Int64ObserverResult) {}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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fix.meter.RegisterInt64Observer(names[i], cb)
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}
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}
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func BenchmarkObserverObservationInt64(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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_ = fix.meter.RegisterInt64Observer("test.observer", func(result metric.Int64ObserverResult) {
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for i := 0; i < b.N; i++ {
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result.Observe((int64)(i), labs...)
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}
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})
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b.ResetTimer()
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fix.sdk.Collect(ctx)
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}
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func BenchmarkObserverObservationFloat64(b *testing.B) {
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(1)
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_ = fix.meter.RegisterFloat64Observer("test.observer", func(result metric.Float64ObserverResult) {
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for i := 0; i < b.N; i++ {
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result.Observe((float64)(i), labs...)
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}
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})
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b.ResetTimer()
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fix.sdk.Collect(ctx)
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}
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// MaxSumCount
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func BenchmarkInt64MaxSumCountAdd(b *testing.B) {
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benchmarkInt64MeasureAdd(b, "int64.minmaxsumcount")
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}
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func BenchmarkInt64MaxSumCountHandleAdd(b *testing.B) {
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benchmarkInt64MeasureHandleAdd(b, "int64.minmaxsumcount")
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}
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func BenchmarkFloat64MaxSumCountAdd(b *testing.B) {
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benchmarkFloat64MeasureAdd(b, "float64.minmaxsumcount")
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}
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func BenchmarkFloat64MaxSumCountHandleAdd(b *testing.B) {
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benchmarkFloat64MeasureHandleAdd(b, "float64.minmaxsumcount")
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}
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// DDSketch
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func BenchmarkInt64DDSketchAdd(b *testing.B) {
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benchmarkInt64MeasureAdd(b, "int64.ddsketch")
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}
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func BenchmarkInt64DDSketchHandleAdd(b *testing.B) {
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benchmarkInt64MeasureHandleAdd(b, "int64.ddsketch")
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}
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func BenchmarkFloat64DDSketchAdd(b *testing.B) {
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benchmarkFloat64MeasureAdd(b, "float64.ddsketch")
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}
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func BenchmarkFloat64DDSketchHandleAdd(b *testing.B) {
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benchmarkFloat64MeasureHandleAdd(b, "float64.ddsketch")
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}
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// Array
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func BenchmarkInt64ArrayAdd(b *testing.B) {
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benchmarkInt64MeasureAdd(b, "int64.array")
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}
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func BenchmarkInt64ArrayHandleAdd(b *testing.B) {
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benchmarkInt64MeasureHandleAdd(b, "int64.array")
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}
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func BenchmarkFloat64ArrayAdd(b *testing.B) {
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benchmarkFloat64MeasureAdd(b, "float64.array")
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}
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func BenchmarkFloat64ArrayHandleAdd(b *testing.B) {
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benchmarkFloat64MeasureHandleAdd(b, "float64.array")
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}
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// BatchRecord
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func benchmarkBatchRecord8Labels(b *testing.B, numInst int) {
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const numLabels = 8
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ctx := context.Background()
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fix := newFixture(b)
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labs := makeLabels(numLabels)
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var meas []metric.Measurement
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for i := 0; i < numInst; i++ {
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inst := fix.meter.NewInt64Counter(fmt.Sprint("int64.counter.", i))
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meas = append(meas, inst.Measurement(1))
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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fix.sdk.RecordBatch(ctx, labs, meas...)
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}
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}
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func BenchmarkBatchRecord8Labels_1Instrument(b *testing.B) {
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benchmarkBatchRecord8Labels(b, 1)
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}
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func BenchmarkBatchRecord_8Labels_2Instruments(b *testing.B) {
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benchmarkBatchRecord8Labels(b, 2)
|
|
}
|
|
|
|
func BenchmarkBatchRecord_8Labels_4Instruments(b *testing.B) {
|
|
benchmarkBatchRecord8Labels(b, 4)
|
|
}
|
|
|
|
func BenchmarkBatchRecord_8Labels_8Instruments(b *testing.B) {
|
|
benchmarkBatchRecord8Labels(b, 8)
|
|
}
|
|
|
|
// Record creation
|
|
|
|
func BenchmarkRepeatedDirectCalls(b *testing.B) {
|
|
ctx := context.Background()
|
|
fix := newFixture(b)
|
|
encoder := label.DefaultEncoder()
|
|
fix.pcb = func(_ context.Context, rec export.Record) error {
|
|
_ = rec.Labels().Encoded(encoder)
|
|
return nil
|
|
}
|
|
|
|
c := fix.meter.NewInt64Counter("int64.counter")
|
|
k := key.String("bench", "true")
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
c.Add(ctx, 1, k)
|
|
fix.sdk.Collect(ctx)
|
|
}
|
|
}
|
|
|
|
// LabelIterator
|
|
|
|
func BenchmarkLabelIterator(b *testing.B) {
|
|
const labelCount = 1024
|
|
ctx := context.Background()
|
|
fix := newFixture(b)
|
|
|
|
var rec export.Record
|
|
fix.pcb = func(_ context.Context, processRec export.Record) error {
|
|
rec = processRec
|
|
return nil
|
|
}
|
|
|
|
keyValues := makeLabels(labelCount)
|
|
counter := fix.meter.NewInt64Counter("test.counter")
|
|
counter.Add(ctx, 1, keyValues...)
|
|
|
|
fix.sdk.Collect(ctx)
|
|
|
|
b.ResetTimer()
|
|
|
|
labels := rec.Labels()
|
|
iter := labels.Iter()
|
|
var val core.KeyValue
|
|
for i := 0; i < b.N; i++ {
|
|
if !iter.Next() {
|
|
iter = labels.Iter()
|
|
iter.Next()
|
|
}
|
|
val = iter.Label()
|
|
}
|
|
if false {
|
|
fmt.Println(val)
|
|
}
|
|
}
|