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opentelemetry-go/sdk/trace/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 trace_test
import (
"context"
"testing"
apitrace "go.opentelemetry.io/otel/api/trace"
"go.opentelemetry.io/otel/label"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
)
func BenchmarkStartEndSpan(b *testing.B) {
traceBenchmark(b, "Benchmark StartEndSpan", func(b *testing.B, t apitrace.Tracer) {
ctx := context.Background()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, span := t.Start(ctx, "/foo")
span.End()
}
})
}
func BenchmarkSpanWithAttributes_4(b *testing.B) {
traceBenchmark(b, "Benchmark Start With 4 Attributes", func(b *testing.B, t apitrace.Tracer) {
ctx := context.Background()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, span := t.Start(ctx, "/foo")
span.SetAttributes(
label.Bool("key1", false),
label.String("key2", "hello"),
label.Uint64("key3", 123),
label.Float64("key4", 123.456),
)
span.End()
}
})
}
func BenchmarkSpanWithAttributes_8(b *testing.B) {
traceBenchmark(b, "Benchmark Start With 8 Attributes", func(b *testing.B, t apitrace.Tracer) {
ctx := context.Background()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, span := t.Start(ctx, "/foo")
span.SetAttributes(
label.Bool("key1", false),
label.String("key2", "hello"),
label.Uint64("key3", 123),
label.Float64("key4", 123.456),
label.Bool("key21", false),
label.String("key22", "hello"),
label.Uint64("key23", 123),
label.Float64("key24", 123.456),
)
span.End()
}
})
}
func BenchmarkSpanWithAttributes_all(b *testing.B) {
traceBenchmark(b, "Benchmark Start With all Attribute types", func(b *testing.B, t apitrace.Tracer) {
ctx := context.Background()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, span := t.Start(ctx, "/foo")
span.SetAttributes(
label.Bool("key1", false),
label.String("key2", "hello"),
label.Int64("key3", 123),
label.Uint64("key4", 123),
label.Int32("key5", 123),
label.Uint32("key6", 123),
label.Float64("key7", 123.456),
label.Float32("key8", 123.456),
label.Int("key9", 123),
label.Uint("key10", 123),
)
span.End()
}
})
}
func BenchmarkSpanWithAttributes_all_2x(b *testing.B) {
traceBenchmark(b, "Benchmark Start With all Attributes types twice", func(b *testing.B, t apitrace.Tracer) {
ctx := context.Background()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, span := t.Start(ctx, "/foo")
span.SetAttributes(
label.Bool("key1", false),
label.String("key2", "hello"),
label.Int64("key3", 123),
label.Uint64("key4", 123),
label.Int32("key5", 123),
label.Uint32("key6", 123),
label.Float64("key7", 123.456),
label.Float32("key8", 123.456),
label.Int("key10", 123),
label.Uint("key11", 123),
label.Bool("key21", false),
label.String("key22", "hello"),
label.Int64("key23", 123),
label.Uint64("key24", 123),
label.Int32("key25", 123),
label.Uint32("key26", 123),
label.Float64("key27", 123.456),
label.Float32("key28", 123.456),
label.Int("key210", 123),
label.Uint("key211", 123),
)
span.End()
}
})
}
func BenchmarkTraceID_DotString(b *testing.B) {
t, _ := apitrace.IDFromHex("0000000000000001000000000000002a")
sc := apitrace.SpanContext{TraceID: t}
want := "0000000000000001000000000000002a"
for i := 0; i < b.N; i++ {
if got := sc.TraceID.String(); got != want {
b.Fatalf("got = %q want = %q", got, want)
}
}
}
func BenchmarkSpanID_DotString(b *testing.B) {
sc := apitrace.SpanContext{SpanID: apitrace.SpanID{1}}
want := "0100000000000000"
for i := 0; i < b.N; i++ {
if got := sc.SpanID.String(); got != want {
b.Fatalf("got = %q want = %q", got, want)
}
}
}
func traceBenchmark(b *testing.B, name string, fn func(*testing.B, apitrace.Tracer)) {
b.Run("AlwaysSample", func(b *testing.B) {
b.ReportAllocs()
fn(b, tracer(b, name, sdktrace.AlwaysSample()))
})
b.Run("NeverSample", func(b *testing.B) {
b.ReportAllocs()
fn(b, tracer(b, name, sdktrace.NeverSample()))
})
}
func tracer(b *testing.B, name string, sampler sdktrace.Sampler) apitrace.Tracer {
tp := sdktrace.NewTracerProvider(sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sampler}))
return tp.Tracer(name)
}