mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-01-05 22:54:18 +02:00
44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package prometheus
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"go.opentelemetry.io/otel/sdk/metric"
|
|
)
|
|
|
|
func benchmarkCollect(b *testing.B, n int) {
|
|
ctx := context.Background()
|
|
registry := prometheus.NewRegistry()
|
|
exporter, err := New(WithRegisterer(registry))
|
|
require.NoError(b, err)
|
|
provider := metric.NewMeterProvider(metric.WithReader(exporter))
|
|
meter := provider.Meter("testmeter")
|
|
|
|
for i := 0; i < n; i++ {
|
|
counter, err := meter.Float64Counter(fmt.Sprintf("foo_%d", i))
|
|
require.NoError(b, err)
|
|
counter.Add(ctx, float64(i))
|
|
}
|
|
|
|
b.ReportAllocs()
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
_, err := registry.Gather()
|
|
require.NoError(b, err)
|
|
}
|
|
}
|
|
|
|
func BenchmarkCollect1(b *testing.B) { benchmarkCollect(b, 1) }
|
|
func BenchmarkCollect10(b *testing.B) { benchmarkCollect(b, 10) }
|
|
func BenchmarkCollect100(b *testing.B) { benchmarkCollect(b, 100) }
|
|
func BenchmarkCollect1000(b *testing.B) { benchmarkCollect(b, 1000) }
|
|
func BenchmarkCollect10000(b *testing.B) { benchmarkCollect(b, 10000) }
|