mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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4c9a29d2d7
* Add a key benchmark, optimize SDK SetAttribute * Use reflect in key.Infer * Move to separate benchmark file; remove pointer test; remove dead comment * Run go mod tidy * Add license header * Use the reflect scalar accessors Co-authored-by: Liz Fong-Jones <lizf@honeycomb.io>
76 lines
1.7 KiB
Go
76 lines
1.7 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 key_test
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import (
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"context"
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"testing"
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"go.opentelemetry.io/otel/api/global"
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"go.opentelemetry.io/otel/api/key"
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"go.opentelemetry.io/otel/api/trace"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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)
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// Note: The tests below load a real SDK to ensure the compiler isn't optimizing
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// the test based on global analysis limited to the NoopSpan implementation.
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func getSpan() trace.Span {
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_, sp := global.Tracer("Test").Start(context.Background(), "Span")
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tr, _ := sdktrace.NewProvider()
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global.SetTraceProvider(tr)
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return sp
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}
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func BenchmarkKeyInfer(b *testing.B) {
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for i := 0; i < b.N; i++ {
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key.Infer("Attr", int(256))
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}
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}
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func BenchmarkMultiNoKeyInference(b *testing.B) {
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sp := getSpan()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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sp.SetAttributes(key.Int("Attr", 1))
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}
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}
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func BenchmarkMultiWithKeyInference(b *testing.B) {
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sp := getSpan()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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sp.SetAttributes(key.Infer("Attr", 1))
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}
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}
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func BenchmarkSingleWithKeyInferenceValue(b *testing.B) {
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sp := getSpan()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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sp.SetAttribute("Attr", 1)
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}
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b.StopTimer()
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}
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