9c6661eca2
This commit introduces a new tracing library, that replaces golang.org/x/net/trace, and supports (amongts other thing) nested traces. This is a minimal change, future patches will make use of the new functionality.
58 lines
1.0 KiB
Go
58 lines
1.0 KiB
Go
package nettrace
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import (
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"testing"
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)
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// Our benchmark loop is similar to the one from golang.org/x/net/trace, so we
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// can compare results.
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func runBench(b *testing.B, events int) {
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nTraces := (b.N + events + 1) / events
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for i := 0; i < nTraces; i++ {
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tr := New("bench", "test")
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for j := 0; j < events; j++ {
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tr.Printf("%d", j)
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}
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tr.Finish()
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}
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}
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func BenchmarkTrace_2(b *testing.B) {
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runBench(b, 2)
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}
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func BenchmarkTrace_10(b *testing.B) {
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runBench(b, 10)
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}
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func BenchmarkTrace_100(b *testing.B) {
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runBench(b, 100)
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}
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func BenchmarkTrace_1000(b *testing.B) {
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runBench(b, 1000)
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}
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func BenchmarkTrace_10000(b *testing.B) {
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runBench(b, 10000)
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}
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func BenchmarkNewAndFinish(b *testing.B) {
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for i := 0; i < b.N; i++ {
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tr := New("bench", "test")
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tr.Finish()
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}
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}
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func BenchmarkPrintf(b *testing.B) {
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tr := New("bench", "test")
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defer tr.Finish()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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// Keep this without any formatting, so we measure our code instead of
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// the performance of fmt.Sprintf.
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tr.Printf("this is printf")
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}
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}
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