statsd_exporter/exporter_benchmark_test.go
Robert Fratto b5deeda251 Pass around custom registry for registering exporter metrics
Importers of pkg/exporter may not want for series to be imported into
the default registry. This commit makes it possible to provide a custom
registry for metrics registration.

Signed-off-by: Robert Fratto <robertfratto@gmail.com>
2020-11-20 14:14:14 -05:00

198 lines
5.2 KiB
Go

// Copyright 2013 The Prometheus 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 main
import (
"fmt"
"testing"
"github.com/go-kit/kit/log"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/statsd_exporter/pkg/event"
"github.com/prometheus/statsd_exporter/pkg/exporter"
"github.com/prometheus/statsd_exporter/pkg/line"
"github.com/prometheus/statsd_exporter/pkg/listener"
"github.com/prometheus/statsd_exporter/pkg/mapper"
)
func benchmarkUDPListener(times int, b *testing.B) {
input := []string{
"foo1:2|c",
"foo2:3|g",
"foo3:200|ms",
"foo4:100|c|#tag1:bar,tag2:baz",
"foo5:100|c|#tag1:bar,#tag2:baz",
"foo6:100|c|#09digits:0,tag.with.dots:1",
"foo10:100|c|@0.1|#tag1:bar,#tag2:baz",
"foo11:100|c|@0.1|#tag1:foo:bar",
"foo.[foo=bar,dim=val]test:1|g",
"foo15:200|ms:300|ms:5|c|@0.1:6|g\nfoo15a:1|c:5|ms",
"some_very_useful_metrics_with_quite_a_log_name:13|c",
}
bytesInput := make([]string, len(input)*times)
logger := log.NewNopLogger()
for run := 0; run < times; run++ {
for i := 0; i < len(input); i++ {
bytesInput[run*len(input)+i] = fmt.Sprintf("run%d%s", run, input[i])
}
}
parser := line.NewParser()
parser.EnableDogstatsdParsing()
parser.EnableInfluxdbParsing()
parser.EnableLibratoParsing()
parser.EnableSignalFXParsing()
// reset benchmark timer to not measure startup costs
b.ResetTimer()
for n := 0; n < b.N; n++ {
// pause benchmark timer for creating the chan and listener
b.StopTimer()
// there are more events than input lines, need bigger buffer
events := make(chan event.Events, len(bytesInput)*times*2)
l := listener.StatsDUDPListener{
EventHandler: &event.UnbufferedEventHandler{C: events},
Logger: logger,
LineParser: parser,
UDPPackets: udpPackets,
LinesReceived: linesReceived,
SamplesReceived: samplesReceived,
TagsReceived: tagsReceived,
}
// resume benchmark timer
b.StartTimer()
for i := 0; i < times; i++ {
for _, line := range bytesInput {
l.HandlePacket([]byte(line))
}
}
}
}
func BenchmarkUDPListener1(b *testing.B) {
benchmarkUDPListener(1, b)
}
func BenchmarkUDPListener5(b *testing.B) {
benchmarkUDPListener(5, b)
}
func BenchmarkUDPListener50(b *testing.B) {
benchmarkUDPListener(50, b)
}
func BenchmarkExporterListener(b *testing.B) {
events := event.Events{
&event.CounterEvent{ // simple counter
CMetricName: "counter",
CValue: 2,
},
&event.GaugeEvent{ // simple gauge
GMetricName: "gauge",
GValue: 10,
},
&event.ObserverEvent{ // simple timer
OMetricName: "timer",
OValue: 200,
},
&event.ObserverEvent{ // simple histogram
OMetricName: "histogram.test",
OValue: 200,
},
&event.CounterEvent{ // simple_tags
CMetricName: "simple_tags",
CValue: 100,
CLabels: map[string]string{
"alpha": "bar",
"bravo": "baz",
},
},
&event.CounterEvent{ // slightly different tags
CMetricName: "simple_tags",
CValue: 100,
CLabels: map[string]string{
"alpha": "bar",
"charlie": "baz",
},
},
&event.CounterEvent{ // and even more different tags
CMetricName: "simple_tags",
CValue: 100,
CLabels: map[string]string{
"alpha": "bar",
"bravo": "baz",
"golf": "looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong",
},
},
&event.CounterEvent{ // datadog tag extension with complex tags
CMetricName: "foo",
CValue: 100,
CLabels: map[string]string{
"action": "test",
"application": "testapp",
"application_component": "testcomp",
"application_role": "test_role",
"category": "category",
"controller": "controller",
"deployed_to": "production",
"kube_deployment": "deploy",
"kube_namespace": "kube-production",
"method": "get",
"version": "5.2.8374",
"status": "200",
"status_range": "2xx",
},
},
}
config := `
mappings:
- match: histogram.test
timer_type: histogram
name: "histogram_test"
`
testMapper := &mapper.MetricMapper{}
err := testMapper.InitFromYAMLString(config, 0)
if err != nil {
b.Fatalf("Config load error: %s %s", config, err)
}
ex := exporter.NewExporter(prometheus.DefaultRegisterer, testMapper, log.NewNopLogger(), eventsActions, eventsUnmapped, errorEventStats, eventStats, conflictingEventStats, metricsCount)
// reset benchmark timer to not measure startup costs
b.ResetTimer()
for i := 0; i < b.N; i++ {
// pause benchmark timer for creating the chan
b.StopTimer()
ec := make(chan event.Events, 1000)
// resume benchmark timer
b.StartTimer()
go func() {
for i := 0; i < 1000; i++ {
ec <- events
}
close(ec)
}()
ex.Listen(ec)
}
}