Files
weave-scope/render/benchmark_test.go
Bryan Boreham 3be8cf71dd Add more Opentracing detail to the app (#3383)
* Pass Go context down to Renderers

This is useful for cancellation or tracing.

* Add tracing spans to app

Also log things like number of nodes in Map, total number of reports.
2018-10-26 11:21:33 +05:30

75 lines
2.1 KiB
Go

package render_test
import (
"context"
"flag"
"io/ioutil"
"testing"
"github.com/ugorji/go/codec"
"github.com/weaveworks/scope/render"
"github.com/weaveworks/scope/report"
"github.com/weaveworks/scope/test/fixture"
)
var (
benchReportFile = flag.String("bench-report-file", "", "json report file to use for benchmarking (relative to this package)")
benchmarkRenderResult render.Nodes
)
func BenchmarkEndpointRender(b *testing.B) { benchmarkRender(b, render.EndpointRenderer) }
func BenchmarkProcessRender(b *testing.B) { benchmarkRender(b, render.ProcessRenderer) }
func BenchmarkConnectedProcessRender(b *testing.B) {
benchmarkRender(b, render.ConnectedProcessRenderer)
}
func BenchmarkProcessNameRender(b *testing.B) { benchmarkRender(b, render.ProcessNameRenderer) }
func BenchmarkContainerRender(b *testing.B) { benchmarkRender(b, render.ContainerRenderer) }
func BenchmarkContainerWithImageNameRender(b *testing.B) {
benchmarkRender(b, render.ContainerWithImageNameRenderer)
}
func BenchmarkContainerImageRender(b *testing.B) {
benchmarkRender(b, render.ContainerImageRenderer)
}
func BenchmarkContainerHostnameRender(b *testing.B) {
benchmarkRender(b, render.ContainerHostnameRenderer)
}
func BenchmarkHostRender(b *testing.B) { benchmarkRender(b, render.HostRenderer) }
func BenchmarkPodRender(b *testing.B) { benchmarkRender(b, render.PodRenderer) }
func BenchmarkPodServiceRender(b *testing.B) {
benchmarkRender(b, render.PodServiceRenderer)
}
func benchmarkRender(b *testing.B, r render.Renderer) {
report, err := loadReport()
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
b.StopTimer()
render.ResetCache()
b.StartTimer()
benchmarkRenderResult = r.Render(context.Background(), report)
if len(benchmarkRenderResult.Nodes) == 0 {
b.Errorf("Rendered topology contained no nodes")
}
}
}
func loadReport() (report.Report, error) {
if *benchReportFile == "" {
return fixture.Report, nil
}
b, err := ioutil.ReadFile(*benchReportFile)
if err != nil {
return rpt, err
}
rpt := report.MakeReport()
err = codec.NewDecoderBytes(b, &codec.JsonHandle{}).Decode(&rpt)
return rpt, err
}