func VisualizeSignificantEvents(events SignificantEvents, filename string, options SignificantEventsOptions) {
firstTime := events.FirstTime()
tr := func(t time.Time) float64 {
return t.Sub(firstTime).Seconds()
}
minX := options.MinX
maxX := 0.0
maxY := 0.0
minY := math.MaxFloat64
histograms := map[string]plot.Plotter{}
scatters := map[string][]plot.Plotter{}
verticalLines := []plot.Plotter{}
colorCounter := 0
for _, name := range events.OrderedNames() {
xys := plotter.XYs{}
xErrs := plotter.XErrors{}
for _, event := range events[name] {
if event.V > 0 {
xys = append(xys, struct{ X, Y float64 }{tr(event.T), event.V})
xErrs = append(xErrs, struct{ Low, High float64 }{-event.V / 2, event.V / 2})
if tr(event.T) > maxX {
maxX = tr(event.T)
}
if event.V > maxY {
maxY = event.V
}
if event.V < minY {
minY = event.V
}
}
}
if len(xys) == 0 {
say.Println(0, "No data for %s", name)
continue
}
if options.MarkedEvents != nil {
ls, ok := options.MarkedEvents[name]
if ok {
for _, event := range events[name] {
l := viz.NewVerticalLine(tr(event.T))
l.LineStyle = ls
verticalLines = append(verticalLines, l)
}
}
}
s, err := plotter.NewScatter(xys)
say.ExitIfError("Couldn't create scatter plot", err)
s.GlyphStyle = plot.GlyphStyle{
Color: viz.OrderedColor(colorCounter),
Radius: 2,
Shape: plot.CircleGlyph{},
}
xErrsPlot, err := plotter.NewXErrorBars(struct {
plotter.XYer
plotter.XErrorer
}{xys, xErrs})
say.ExitIfError("Couldn't create x errors plot", err)
xErrsPlot.LineStyle = viz.LineStyle(viz.OrderedColor(colorCounter), 1)
scatters[name] = []plot.Plotter{s, xErrsPlot}
durations := events[name].Data()
h := viz.NewHistogram(durations, 20, durations.Min(), durations.Max())
h.LineStyle = viz.LineStyle(viz.OrderedColor(colorCounter), 1)
histograms[name] = h
colorCounter++
}
if options.MaxX != 0 {
maxX = options.MaxX
}
maxY = math.Pow(10, math.Ceil(math.Log10(maxY)))
minY = math.Pow(10, math.Floor(math.Log10(minY)))
b := &viz.Board{}
n := len(histograms) + 1
padding := 0.1 / float64(n-1)
height := (1.0 - padding*float64(n-1)) / float64(n)
histWidth := 0.3
scatterWidth := 0.7
y := 1 - height - padding - height
allScatterPlot, _ := plot.New()
allScatterPlot.Title.Text = "All Events"
allScatterPlot.X.Label.Text = "Time (s)"
allScatterPlot.Y.Label.Text = "Duration (s)"
allScatterPlot.Y.Scale = plot.LogScale
allScatterPlot.Y.Tick.Marker = plot.LogTicks
for _, name := range events.OrderedNames() {
histogram, ok := histograms[name]
if !ok {
continue
}
scatter := scatters[name]
allScatterPlot.Add(scatter[0])
allScatterPlot.Add(scatter[1])
histogramPlot, _ := plot.New()
histogramPlot.Title.Text = name
histogramPlot.X.Label.Text = "Duration (s)"
histogramPlot.Y.Label.Text = "N"
histogramPlot.Add(histogram)
scatterPlot, _ := plot.New()
scatterPlot.Title.Text = name
scatterPlot.X.Label.Text = "Time (s)"
scatterPlot.Y.Label.Text = "Duration (s)"
scatterPlot.Y.Scale = plot.LogScale
scatterPlot.Y.Tick.Marker = plot.LogTicks
scatterPlot.Add(scatter...)
scatterPlot.Add(verticalLines...)
scatterPlot.X.Min = minX
scatterPlot.X.Max = maxX
scatterPlot.Y.Min = 1e-5
scatterPlot.Y.Max = maxY
b.AddSubPlot(histogramPlot, viz.Rect{0, y, histWidth, height})
b.AddSubPlot(scatterPlot, viz.Rect{histWidth, y, scatterWidth, height})
y -= height + padding
}
allScatterPlot.Add(verticalLines...)
allScatterPlot.X.Min = minX
allScatterPlot.X.Max = maxX
allScatterPlot.Y.Min = 1e-5
allScatterPlot.Y.Max = maxY
fmt.Println("all", minX, maxX)
b.AddSubPlot(allScatterPlot, viz.Rect{histWidth, 1 - height, scatterWidth, height})
b.Save(16.0, 5*float64(n), filename)
}
func analyzeAuctioneerFetchStateDuration() {
data, err := ioutil.ReadFile(config.DataDir("auctioneer-fetch-state-duration", "auctioneer-fetch-state-duration.logs"))
say.ExitIfError("couldn't read log file", err)
entries := util.ChugLagerEntries(data)
fetchStateDurationEvents := ExtractEventsFromLagerData(entries, DurationExtractor("duration"))
allDurations := fetchStateDurationEvents.Data()
highDurations := allDurations.Filter(NumFilter(">", 0.2))
lowDurations := allDurations.Filter(NumFilter("<=", 0.2))
earlyAllDurations := fetchStateDurationEvents.FilterTimes(NumFilter("<", 1445274027070991039)).Data()
earlyHighDurations := earlyAllDurations.Filter(NumFilter(">", 0.2))
earlyLowDurations := earlyAllDurations.Filter(NumFilter("<=", 0.2))
lateAllDurations := fetchStateDurationEvents.FilterTimes(NumFilter(">=", 1445274027070991039)).Data()
lateHighDurations := lateAllDurations.Filter(NumFilter(">", 0.2))
lateLowDurations := lateAllDurations.Filter(NumFilter("<=", 0.2))
board := viz.NewUniformBoard(3, 1, 0)
earlyScale := float64(len(allDurations)) / float64(len(earlyAllDurations))
lateScale := float64(len(allDurations)) / float64(len(lateAllDurations))
say.Println(0, "All Fetches: %s", allDurations.Stats())
say.Println(1, "> 0.2s: %s", highDurations.Stats())
say.Println(1, "<= 0.2s: %s", lowDurations.Stats())
say.Println(0, "Early Fetches: %s", earlyAllDurations.Stats())
say.Println(1, "> 0.2s: %s", earlyHighDurations.Stats())
say.Println(1, "<= 0.2s: %s", earlyLowDurations.Stats())
say.Println(0, "Late Fetches: %s", lateAllDurations.Stats())
say.Println(1, "> 0.2s: %s", lateHighDurations.Stats())
say.Println(1, "<= 0.2s: %s", lateLowDurations.Stats())
p, _ := plot.New()
p.Title.Text = "All Auctioneer Fetch State Durations"
p.Add(viz.NewHistogram(allDurations, 20, allDurations.Min(), allDurations.Max()))
h := viz.NewScaledHistogram(earlyAllDurations, 20, allDurations.Min(), allDurations.Max(), earlyScale)
h.LineStyle = viz.LineStyle(viz.Blue, 1)
p.Add(h)
h = viz.NewScaledHistogram(lateAllDurations, 20, allDurations.Min(), allDurations.Max(), lateScale)
h.LineStyle = viz.LineStyle(viz.Red, 1)
p.Add(h)
board.AddNextSubPlot(p)
p, _ = plot.New()
p.Title.Text = "Auctioneer Fetch State Durations < 0.2s"
p.Add(viz.NewHistogram(lowDurations, 100, lowDurations.Min(), lowDurations.Max()))
h = viz.NewScaledHistogram(earlyLowDurations, 100, lowDurations.Min(), lowDurations.Max(), earlyScale)
h.LineStyle = viz.LineStyle(viz.Blue, 1)
p.Add(h)
h = viz.NewScaledHistogram(lateLowDurations, 100, lowDurations.Min(), lowDurations.Max(), lateScale)
h.LineStyle = viz.LineStyle(viz.Red, 1)
p.Add(h)
board.AddNextSubPlot(p)
p, _ = plot.New()
p.Title.Text = "Auctioneer Fetch State Durations > 0.2s"
p.Add(viz.NewHistogram(highDurations, 40, highDurations.Min(), highDurations.Max()))
h = viz.NewScaledHistogram(earlyHighDurations, 40, highDurations.Min(), highDurations.Max(), earlyScale)
h.LineStyle = viz.LineStyle(viz.Blue, 1)
p.Add(h)
h = viz.NewScaledHistogram(lateHighDurations, 40, highDurations.Min(), highDurations.Max(), lateScale)
h.LineStyle = viz.LineStyle(viz.Red, 1)
p.Add(h)
board.AddNextSubPlot(p)
board.Save(12, 4, config.DataDir("auctioneer-fetch-state-duration", "auctioneer-fetch-state-duration.svg"))
}