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Add histogram graph query handler using go echarts library #58
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package bench | ||
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| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "strconv" | ||
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| "github.com/go-echarts/go-echarts/v2/charts" | ||
| "github.com/go-echarts/go-echarts/v2/components" | ||
| "github.com/go-echarts/go-echarts/v2/opts" | ||
| ) | ||
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| func printHistogramGraph(request benchWorkflowRequest, values []histogramValue) string { | ||
| chart := charts.NewLine() | ||
| chart.SetGlobalOptions( | ||
| charts.WithTitleOpts(opts.Title{ | ||
| Title: fmt.Sprintf("Benchmark: %s", request.Workflow.Name), | ||
| //Subtitle: fmt.Sprintf("Steps:\n%+v", request.Steps), | ||
| }), | ||
| charts.WithLegendOpts(opts.Legend{Show: true}), | ||
| charts.WithTooltipOpts(opts.Tooltip{Show: true, Trigger: "axis"}), | ||
| charts.WithXAxisOpts(opts.XAxis{Name: "Time (s)"}), | ||
| charts.WithInitializationOpts(opts.Initialization{ | ||
| Width: "1440px", | ||
| Height: "900px", | ||
| }), | ||
| ) | ||
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| interval := request.Report.IntervalInSeconds | ||
| times := make([]string, len(values)) | ||
| workflowsStartedRate := make([]float32, len(values)) | ||
| workflowsExecutionRate := make([]float32, len(values)) | ||
| workflowsClosedRate := make([]float32, len(values)) | ||
| backlog := make([]float32, len(values)) | ||
| for i, v := range values { | ||
| times[i] = strconv.Itoa((i + 1) * interval) | ||
| workflowsStartedRate[i] = float32(v.Started) / float32(interval) | ||
| workflowsExecutionRate[i] = float32(v.Execution) / float32(interval) | ||
| workflowsClosedRate[i] = float32(v.Closed) / float32(interval) | ||
| backlog[i] = float32(v.Backlog) | ||
| } | ||
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| seriesOpts := []charts.SeriesOpts{ | ||
| charts.WithLabelOpts(opts.Label{Show: true, Position: "top"}), | ||
| charts.WithLineChartOpts(opts.LineChart{Smooth: true}), | ||
| } | ||
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| chart.SetXAxis(times). | ||
| AddSeries("Workflows Started Rate", generateLineData(workflowsStartedRate), seriesOpts...). | ||
| AddSeries("Workflows Execution Rate", generateLineData(workflowsExecutionRate), seriesOpts...). | ||
| AddSeries("Workflows Closed Rate", generateLineData(workflowsClosedRate), seriesOpts...). | ||
| AddSeries("Backlog", generateLineData(backlog), seriesOpts...) | ||
|
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| // TODO: | ||
| // 1. Add raw data as a table (collapsed if possible) | ||
| // 2. Multiple charts / page? | ||
| // 3. Add the remaining data in a second chart: workflows started (v.Started), | ||
| // workflow executions (v.Execution), workflows closed (v.Closed) | ||
| // 4. Example used: https://github.com/go-echarts/examples/blob/master/examples/line.go | ||
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| page := components.NewPage() | ||
| page.AddCharts(chart) | ||
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| var b bytes.Buffer | ||
| if err := page.Render(&b); err != nil { | ||
| return err.Error() | ||
| } | ||
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| return b.String() | ||
| } | ||
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| func generateLineData(data []float32) []opts.LineData { | ||
| items := make([]opts.LineData, 0) | ||
| for i := 0; i < len(data); i++ { | ||
| items = append(items, opts.LineData{Value: data[i]}) | ||
| } | ||
| return items | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package bench | ||
|
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| import ( | ||
| "os" | ||
| "testing" | ||
| ) | ||
|
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| // TODO: make this a runnable example? | ||
|
There was a problem hiding this comment. This isn't a test, it generates the same output as the query and saves that as a file in order to iterate on the graph settings. |
||
| func Test_printHistogramGraph(t *testing.T) { | ||
| type args struct { | ||
| request benchWorkflowRequest | ||
| values []histogramValue | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| args args | ||
| }{ | ||
| { | ||
| name: "Benchmark const 500", | ||
| args: args{ | ||
| request: benchWorkflowRequest{ | ||
| Workflow: benchWorkflowRequestWorkflow{ | ||
| Name: "basic-workflow", | ||
| Args: struct { | ||
| SequenceCount int `json:"sequenceCount"` | ||
| ParallelCount int `json:"parallelCount"` | ||
| ActivityDurationMilliseconds int `json:"activityDurationMilliseconds"` | ||
| Payload string `json:"payload"` | ||
| ResultPayload string `json:"resultPayload"` | ||
| }{ | ||
| SequenceCount: 3, | ||
| }, | ||
| }, | ||
| Steps: []benchWorkflowRequestStep{ | ||
| { | ||
| Count: 500, | ||
| RatePerSecond: 50, | ||
| Concurrency: 5, | ||
| }, | ||
| }, | ||
| Report: benchWorkflowRequestReporting{IntervalInSeconds: 5}, | ||
| }, | ||
| values: []histogramValue{ | ||
| {Started: 64, Execution: 64, Closed: 11, Backlog: 53}, | ||
| {Started: 35, Execution: 35, Closed: 63, Backlog: 25}, | ||
| {Started: 16, Execution: 16, Closed: 88, Backlog: 53}, | ||
| {Started: 10, Execution: 10, Closed: 99, Backlog: 53}, | ||
| {Started: 23, Execution: 23, Closed: 87, Backlog: 78}, | ||
| {Started: 11, Execution: 11, Closed: 93, Backlog: 96}, | ||
| {Started: 41, Execution: 41, Closed: 99, Backlog: 50}, | ||
| {Started: 10, Execution: 10, Closed: 60, Backlog: 0}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| got := printHistogramGraph(tt.args.request, tt.args.values) | ||
| f, err := os.Create("test.html") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if _, err := f.WriteString(got); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
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