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I find having benchmark for `Emit` more useful than just for `newRecord`. It can be used to showcase the performance benefit of using `Enabled` even for a record with 10 attributes. ``` goos: linux goarch: amd64 pkg: go.opentelemetry.io/otel/sdk/log cpu: 13th Gen Intel(R) Core(TM) i7-13800H BenchmarkLoggerEmit/5_attributes-20 511827 2609 ns/op 41947 B/op 1 allocs/op BenchmarkLoggerEmit/10_attributes-20 1000000 3520 ns/op 46905 B/op 5 allocs/op BenchmarkLoggerEnabled-20 263691399 4.549 ns/op 0 B/op 0 allocs/op ``` --------- Co-authored-by: Damien Mathieu <42@dmathieu.com>
88 lines
1.8 KiB
Go
88 lines
1.8 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package log // import "go.opentelemetry.io/otel/sdk/log"
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/log"
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)
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func BenchmarkLoggerEmit(b *testing.B) {
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logger := newTestLogger(b)
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r := log.Record{}
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r.SetTimestamp(time.Date(2000, time.January, 1, 0, 0, 0, 0, time.UTC))
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r.SetObservedTimestamp(time.Date(2000, time.January, 1, 0, 0, 0, 0, time.UTC))
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r.SetBody(log.StringValue("testing body value"))
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r.SetSeverity(log.SeverityInfo)
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r.SetSeverityText("testing text")
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r.AddAttributes(
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log.String("k1", "str"),
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log.Float64("k2", 1.0),
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log.Int("k3", 2),
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log.Bool("k4", true),
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log.Bytes("k5", []byte{1}),
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)
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r10 := r
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r10.AddAttributes(
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log.String("k6", "str"),
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log.Float64("k7", 1.0),
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log.Int("k8", 2),
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log.Bool("k9", true),
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log.Bytes("k10", []byte{1}),
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)
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require.Equal(b, 5, r.AttributesLen())
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require.Equal(b, 10, r10.AttributesLen())
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b.Run("5 attributes", func(b *testing.B) {
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b.ReportAllocs()
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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logger.Emit(context.Background(), r)
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}
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})
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})
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b.Run("10 attributes", func(b *testing.B) {
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b.ReportAllocs()
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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logger.Emit(context.Background(), r10)
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}
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})
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})
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}
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func BenchmarkLoggerEnabled(b *testing.B) {
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logger := newTestLogger(b)
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ctx := context.Background()
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param := log.EnabledParameters{Severity: log.SeverityDebug}
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var enabled bool
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b.ReportAllocs()
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b.ResetTimer()
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for n := 0; n < b.N; n++ {
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enabled = logger.Enabled(ctx, param)
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}
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_ = enabled
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}
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func newTestLogger(t testing.TB) log.Logger {
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provider := NewLoggerProvider(
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WithProcessor(newFltrProcessor("0", false)),
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WithProcessor(newFltrProcessor("1", true)),
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)
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return provider.Logger(t.Name())
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}
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