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- // Copyright 2018, OpenCensus 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
-
- import (
- "context"
- "testing"
- )
-
- func BenchmarkStartEndSpan(b *testing.B) {
- traceBenchmark(b, func(b *testing.B) {
- ctx := context.Background()
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- _, span := StartSpan(ctx, "/foo")
- span.End()
- }
- })
- }
-
- func BenchmarkSpanWithAnnotations_4(b *testing.B) {
- traceBenchmark(b, func(b *testing.B) {
- ctx := context.Background()
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- _, span := StartSpan(ctx, "/foo")
- span.AddAttributes(
- BoolAttribute("key1", false),
- StringAttribute("key2", "hello"),
- Int64Attribute("key3", 123),
- Float64Attribute("key4", 123.456),
- )
- span.End()
- }
- })
- }
-
- func BenchmarkSpanWithAnnotations_8(b *testing.B) {
- traceBenchmark(b, func(b *testing.B) {
- ctx := context.Background()
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- _, span := StartSpan(ctx, "/foo")
- span.AddAttributes(
- BoolAttribute("key1", false),
- BoolAttribute("key2", true),
- StringAttribute("key3", "hello"),
- StringAttribute("key4", "hello"),
- Int64Attribute("key5", 123),
- Int64Attribute("key6", 456),
- Float64Attribute("key7", 123.456),
- Float64Attribute("key8", 456.789),
- )
- span.End()
- }
- })
- }
-
- func BenchmarkTraceID_DotString(b *testing.B) {
- traceBenchmark(b, func(b *testing.B) {
- t := TraceID{0x0D, 0x0E, 0x0A, 0x0D, 0x0B, 0x0E, 0x0E, 0x0F, 0x0F, 0x0E, 0x0E, 0x0B, 0x0D, 0x0A, 0x0E, 0x0D}
- want := "0d0e0a0d0b0e0e0f0f0e0e0b0d0a0e0d"
- for i := 0; i < b.N; i++ {
- if got := t.String(); got != want {
- b.Fatalf("got = %q want = %q", got, want)
- }
- }
- })
- }
-
- func BenchmarkSpanID_DotString(b *testing.B) {
- traceBenchmark(b, func(b *testing.B) {
- s := SpanID{0x0D, 0x0E, 0x0A, 0x0D, 0x0B, 0x0E, 0x0E, 0x0F}
- want := "0d0e0a0d0b0e0e0f"
- for i := 0; i < b.N; i++ {
- if got := s.String(); got != want {
- b.Fatalf("got = %q want = %q", got, want)
- }
- }
- })
- }
-
- func traceBenchmark(b *testing.B, fn func(*testing.B)) {
- b.Run("AlwaysSample", func(b *testing.B) {
- b.ReportAllocs()
- ApplyConfig(Config{DefaultSampler: AlwaysSample()})
- fn(b)
- })
- b.Run("NeverSample", func(b *testing.B) {
- b.ReportAllocs()
- ApplyConfig(Config{DefaultSampler: NeverSample()})
- fn(b)
- })
- }
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