opentelemetry-dotnet/test/Benchmarks/Exporter/PrometheusSerializerBenchma...

82 lines
2.8 KiB
C#

// <copyright file="PrometheusSerializerBenchmarks.cs" company="OpenTelemetry Authors">
// Copyright The OpenTelemetry 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.
// </copyright>
extern alias Prometheus;
using System.Collections.Generic;
using System.Diagnostics.Metrics;
using BenchmarkDotNet.Attributes;
using OpenTelemetry;
using OpenTelemetry.Metrics;
using OpenTelemetry.Tests;
using Prometheus::OpenTelemetry.Exporter.Prometheus;
namespace Benchmarks.Exporter
{
[MemoryDiagnoser]
public class PrometheusSerializerBenchmarks
{
private Meter meter;
private MeterProvider meterProvider;
private List<Metric> metrics = new();
private byte[] buffer = new byte[85000];
[Params(1, 1000, 10000)]
public int NumberOfSerializeCalls { get; set; }
[GlobalSetup]
public void GlobalSetup()
{
this.meter = new Meter(Utils.GetCurrentMethodName());
this.meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(this.meter.Name)
.AddInMemoryExporter(this.metrics)
.Build();
var counter = this.meter.CreateCounter<long>("counter_name_1", "long", "counter_name_1_description");
counter.Add(18, new("label1", "value1"), new("label2", "value2"));
var gauge = this.meter.CreateObservableGauge("gauge_name_1", () => 18.0D, "long", "gauge_name_1_description");
var histogram = this.meter.CreateHistogram<long>("histogram_name_1", "long", "histogram_name_1_description");
histogram.Record(100, new("label1", "value1"), new("label2", "value2"));
this.meterProvider.ForceFlush();
}
[GlobalCleanup]
public void GlobalCleanup()
{
this.meter?.Dispose();
this.meterProvider?.Dispose();
}
// TODO: this has a dependency on https://github.com/open-telemetry/opentelemetry-dotnet/issues/2361
[Benchmark]
public void WriteMetric()
{
for (int i = 0; i < this.NumberOfSerializeCalls; i++)
{
int cursor = 0;
foreach (var metric in this.metrics)
{
cursor = PrometheusSerializer.WriteMetric(this.buffer, cursor, metric);
}
}
}
}
}