| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package chartengine |
| 4 | |
| 5 | import ( |
| 6 | "strconv" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/pkg/metrix" |
| 10 | ) |
| 11 | |
| 12 | const benchTemplateYAML = ` |
| 13 | version: v1 |
| 14 | groups: |
| 15 | - family: "Bench" |
| 16 | metrics: ["bench_metric"] |
| 17 | charts: |
| 18 | - title: "Bench metric" |
| 19 | context: "bench.metric" |
| 20 | units: "units" |
| 21 | dimensions: |
| 22 | - selector: bench_metric |
| 23 | name_from_label: id |
| 24 | ` |
| 25 | |
| 26 | func BenchmarkBuildPlanBySeriesCardinality(b *testing.B) { |
| 27 | tests := map[string]int{ |
| 28 | "series_100": 100, |
| 29 | "series_1000": 1000, |
| 30 | "series_10000": 10000, |
| 31 | } |
| 32 | |
| 33 | for name, seriesCount := range tests { |
| 34 | b.Run(name, func(b *testing.B) { |
| 35 | reader := benchmarkCollectorReader(b, seriesCount) |
| 36 | |
| 37 | engine, err := New() |
| 38 | if err != nil { |
| 39 | b.Fatalf("new engine: %v", err) |
| 40 | } |
| 41 | if err := engine.LoadYAML([]byte(benchTemplateYAML), 1); err != nil { |
| 42 | b.Fatalf("load template: %v", err) |
| 43 | } |
| 44 | |
| 45 | b.ReportAllocs() |
| 46 | b.ResetTimer() |
| 47 | for i := 0; i < b.N; i++ { |
| 48 | if _, err := buildPlan(engine, reader); err != nil { |
| 49 | b.Fatalf("build plan: %v", err) |
| 50 | } |
| 51 | } |
| 52 | }) |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | func benchmarkCollectorReader(b *testing.B, seriesCount int) metrix.Reader { |
| 57 | b.Helper() |
| 58 | |
| 59 | store := metrix.NewCollectorStore() |
| 60 | managed, ok := metrix.AsCycleManagedStore(store) |
| 61 | if !ok { |
| 62 | b.Fatalf("collector store is not cycle-managed") |
| 63 | } |
| 64 | cc := managed.CycleController() |
| 65 | |
| 66 | meter := store.Write().SnapshotMeter("") |
| 67 | g := meter.Gauge("bench_metric") |
| 68 | |
| 69 | cc.BeginCycle() |
| 70 | for i := range seriesCount { |
| 71 | g.Observe(metrix.SampleValue(i), meter.LabelSet( |
| 72 | metrix.Label{Key: "id", Value: strconv.Itoa(i)}, |
| 73 | )) |
| 74 | } |
| 75 | cc.CommitCycleSuccess() |
| 76 | return store.Read(metrix.ReadRaw()) |
| 77 | } |