113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
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// Copyright 2019 The Prometheus Authors
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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 v1
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import (
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"encoding/json"
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"strconv"
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"testing"
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"time"
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jsoniter "github.com/json-iterator/go"
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"github.com/prometheus/common/model"
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)
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func generateData(timeseries, datapoints int) model.Matrix {
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m := make(model.Matrix, 0)
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for i := 0; i < timeseries; i++ {
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lset := map[model.LabelName]model.LabelValue{
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model.MetricNameLabel: model.LabelValue("timeseries_" + strconv.Itoa(i)),
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}
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now := model.Now()
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values := make([]model.SamplePair, datapoints)
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for x := datapoints; x > 0; x-- {
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values[x-1] = model.SamplePair{
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// Set the time back assuming a 15s interval. Since this is used for
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// Marshal/Unmarshal testing the actual interval doesn't matter.
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Timestamp: now.Add(time.Second * -15 * time.Duration(x)),
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Value: model.SampleValue(float64(x)),
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}
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}
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ss := &model.SampleStream{
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Metric: model.Metric(lset),
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Values: values,
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}
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m = append(m, ss)
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}
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return m
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}
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func BenchmarkSamplesJsonSerialization(b *testing.B) {
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for _, timeseriesCount := range []int{10, 100, 1000} {
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b.Run(strconv.Itoa(timeseriesCount), func(b *testing.B) {
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for _, datapointCount := range []int{10, 100, 1000} {
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b.Run(strconv.Itoa(datapointCount), func(b *testing.B) {
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data := generateData(timeseriesCount, datapointCount)
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dataBytes, err := json.Marshal(data)
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if err != nil {
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b.Fatalf("Error marshaling: %v", err)
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}
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b.Run("marshal", func(b *testing.B) {
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b.Run("encoding/json", func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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if _, err := json.Marshal(data); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("jsoniter", func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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if _, err := jsoniter.Marshal(data); err != nil {
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b.Fatal(err)
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}
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}
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})
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})
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b.Run("unmarshal", func(b *testing.B) {
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b.Run("encoding/json", func(b *testing.B) {
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b.ReportAllocs()
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var m model.Matrix
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for i := 0; i < b.N; i++ {
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if err := json.Unmarshal(dataBytes, &m); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("jsoniter", func(b *testing.B) {
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b.ReportAllocs()
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var m model.Matrix
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for i := 0; i < b.N; i++ {
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if err := jsoniter.Unmarshal(dataBytes, &m); err != nil {
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b.Fatal(err)
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}
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}
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})
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})
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})
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}
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})
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}
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}
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