mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-14 10:13:10 +02:00
80 lines
1.9 KiB
Go
80 lines
1.9 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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"math/rand"
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"testing"
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"time"
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"go.opentelemetry.io/otel/api/metric"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/minmaxsumcount"
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)
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func TestStressInt64MinMaxSumCount(t *testing.T) {
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desc := metric.NewDescriptor("some_metric", metric.ValueRecorderKind, metric.Int64NumberKind)
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alloc := minmaxsumcount.New(2, &desc)
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mmsc, ckpt := &alloc[0], &alloc[1]
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go func() {
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rnd := rand.New(rand.NewSource(time.Now().Unix()))
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v := rnd.Int63() % 103
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for {
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select {
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case <-ctx.Done():
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return
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default:
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_ = mmsc.Update(ctx, metric.NewInt64Number(v), &desc)
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}
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v++
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}
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}()
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startTime := time.Now()
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for time.Since(startTime) < time.Second {
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_ = mmsc.SynchronizedCopy(ckpt, &desc)
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s, _ := ckpt.Sum()
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c, _ := ckpt.Count()
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min, e1 := ckpt.Min()
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max, e2 := ckpt.Max()
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if c == 0 && (e1 == nil || e2 == nil || s.AsInt64() != 0) {
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t.Fail()
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}
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if c != 0 {
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if e1 != nil || e2 != nil {
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t.Fail()
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}
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lo, hi, sum := min.AsInt64(), max.AsInt64(), s.AsInt64()
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if hi-lo+1 != c {
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t.Fail()
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}
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if c == 1 {
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if lo != hi || lo != sum {
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t.Fail()
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}
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} else {
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if hi*(hi+1)/2-(lo-1)*lo/2 != sum {
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t.Fail()
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}
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}
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}
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}
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}
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