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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 jaeger
import (
"context"
"fmt"
"testing"
"time"
"go.opentelemetry.io/otel/sdk/instrumentation"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/sdk/trace/tracetest"
"go.opentelemetry.io/otel/trace"
)
var (
traceID trace.TraceID
spanID trace.SpanID
spanContext trace.SpanContext
instrLibName = "benchmark.tests"
)
func init() {
var err error
traceID, err = trace.TraceIDFromHex("0102030405060708090a0b0c0d0e0f10")
if err != nil {
panic(err)
}
spanID, err = trace.SpanIDFromHex("0102030405060708")
if err != nil {
panic(err)
}
spanContext = trace.NewSpanContext(trace.SpanContextConfig{
TraceID: traceID,
SpanID: spanID,
})
}
func spans(n int) []tracesdk.ReadOnlySpan {
now := time.Now()
s := make(tracetest.SpanStubs, n)
for i := 0; i < n; i++ {
name := fmt.Sprintf("span %d", i)
s[i] = tracetest.SpanStub{
SpanContext: spanContext,
Name: name,
StartTime: now,
EndTime: now,
SpanKind: trace.SpanKindClient,
InstrumentationLibrary: instrumentation.Library{
Name: instrLibName,
},
}
}
return s.Snapshots()
}
func benchmarkExportSpans(b *testing.B, o EndpointOption, i int) {
ctx := context.Background()
s := spans(i)
exp, err := New(o)
if err != nil {
b.Fatal(err)
}
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
if err := exp.ExportSpans(ctx, s); err != nil {
b.Error(err)
}
}
}
func benchmarkCollector(b *testing.B, i int) {
benchmarkExportSpans(b, withTestCollectorEndpoint(), i)
}
func benchmarkAgent(b *testing.B, i int) {
benchmarkExportSpans(b, WithAgentEndpoint(), i)
}
func BenchmarkCollectorExportSpans1(b *testing.B) { benchmarkCollector(b, 1) }
func BenchmarkCollectorExportSpans10(b *testing.B) { benchmarkCollector(b, 10) }
func BenchmarkCollectorExportSpans100(b *testing.B) { benchmarkCollector(b, 100) }
func BenchmarkCollectorExportSpans1000(b *testing.B) { benchmarkCollector(b, 1000) }
func BenchmarkCollectorExportSpans10000(b *testing.B) { benchmarkCollector(b, 10000) }
func BenchmarkAgentExportSpans1(b *testing.B) { benchmarkAgent(b, 1) }
func BenchmarkAgentExportSpans10(b *testing.B) { benchmarkAgent(b, 10) }
func BenchmarkAgentExportSpans100(b *testing.B) { benchmarkAgent(b, 100) }
/*
* BUG: These tests are not possible currently because the thrift payload size
* does not fit in a UDP packet with the default size (65000) and will return
* an error.
func BenchmarkAgentExportSpans1000(b *testing.B) { benchmarkAgent(b, 1000) }
func BenchmarkAgentExportSpans10000(b *testing.B) { benchmarkAgent(b, 10000) }
*/
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