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opentelemetry-go/sdk/metric/benchmark_test.go

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// 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.
package metric // import "go.opentelemetry.io/otel/sdk/metric"
import (
"context"
"testing"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/metric/instrument/syncint64"
"go.opentelemetry.io/otel/sdk/metric/view"
)
func benchCounter(b *testing.B, views ...view.View) (context.Context, Reader, syncint64.Counter) {
ctx := context.Background()
rdr := NewManualReader()
provider := NewMeterProvider(WithReader(rdr), WithView(views...))
cntr, _ := provider.Meter("test").SyncInt64().Counter("hello")
b.ResetTimer()
b.ReportAllocs()
return ctx, rdr, cntr
}
func BenchmarkCounterAddNoAttrs(b *testing.B) {
ctx, _, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1)
}
}
func BenchmarkCounterAddOneAttr(b *testing.B) {
ctx, _, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1, attribute.String("K", "V"))
}
}
func BenchmarkCounterAddOneInvalidAttr(b *testing.B) {
ctx, _, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1, attribute.String("", "V"), attribute.String("K", "V"))
}
}
func BenchmarkCounterAddSingleUseAttrs(b *testing.B) {
ctx, _, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1, attribute.Int("K", i))
}
}
func BenchmarkCounterAddSingleUseInvalidAttrs(b *testing.B) {
ctx, _, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1, attribute.Int("", i), attribute.Int("K", i))
}
}
func BenchmarkCounterAddSingleUseFilteredAttrs(b *testing.B) {
vw, _ := view.New(view.WithFilterAttributes(attribute.Key("K")))
ctx, _, cntr := benchCounter(b, vw)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1, attribute.Int("L", i), attribute.Int("K", i))
}
}
func BenchmarkCounterCollectOneAttr(b *testing.B) {
ctx, rdr, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
cntr.Add(ctx, 1, attribute.Int("K", 1))
_, _ = rdr.Collect(ctx)
}
}
func BenchmarkCounterCollectTenAttrs(b *testing.B) {
ctx, rdr, cntr := benchCounter(b)
for i := 0; i < b.N; i++ {
for j := 0; j < 10; j++ {
cntr.Add(ctx, 1, attribute.Int("K", j))
}
_, _ = rdr.Collect(ctx)
}
}