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VMGraphPlotter.class.st
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VMGraphPlotter.class.st
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"
A VMGraphPlotter manages the details of adding points to the histogram and integral graphs in VMProfiler>>plotSamplesFrom:to:intoHistogram:andIntegral:
"
Class {
#name : #VMGraphPlotter,
#superclass : #Object,
#instVars : [
'histogramSeries',
'integralSeries',
'startAddress',
'integral',
'plotAsBars'
],
#category : #'CogTools-VMProfiler'
}
{ #category : #plotting }
VMGraphPlotter >> addPlotFor: sum at: address [
sum = 0 ifTrue:
[(histogramSeries points notEmpty
and: [histogramSeries points last y > 0]) ifTrue:
[plotAsBars ifTrue:
[histogramSeries addPoint: address @ histogramSeries points last y].
histogramSeries addPoint: address @ 0].
^self].
histogramSeries points isEmpty
ifTrue:
[histogramSeries addPoint: startAddress @ 0.
address > startAddress ifTrue:
[histogramSeries addPoint: address @ 0]]
ifFalse:
[histogramSeries points last y = 0 ifTrue:
[histogramSeries addPoint: address @ 0]].
plotAsBars ifTrue:
[histogramSeries addPoint: address @ histogramSeries points last y].
histogramSeries addPoint: address @ sum.
integralSeries points isEmpty ifTrue:
[integralSeries addPoint: startAddress @ 0.
address > startAddress ifTrue:
[integralSeries addPoint: address @ 0]].
integral := integral + sum.
integralSeries addPoint: address @ integral
]
{ #category : #'initialize-release' }
VMGraphPlotter >> histogram: histogramPlotSeries integral: integralPlotSeries startAddress: start [
histogramSeries := histogramPlotSeries.
integralSeries := integralPlotSeries.
startAddress := start.
integral := 0.
plotAsBars := false
]
{ #category : #accessing }
VMGraphPlotter >> plotAsBars [
^plotAsBars
]
{ #category : #accessing }
VMGraphPlotter >> plotAsBars: aBoolean [
plotAsBars := aBoolean
]