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SqueakVMProfiler.class.st
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SqueakVMProfiler.class.st
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"
I am the VMProfiler called when using a Squeak image.
I can be used
1) headful : for instance, either via WorldMenu>open>VMProfiler, or by typing : VMProfiler spyOn: [1 to: 10000000 do: [ :i | Object new ]].
2) headless : for instance, inspect on : String streamContents: [ :s | VMProfiler headlessSpyOn: [ 1 to: 10000000 do: [ :i | Object new ] ] reportOn: s ]
If you want to get a profiling report providing detailed data about the time spent in a function, inspect on : String streamContents: [ :s | VMProfiler headlessSpyOn: [ 1 to: 10000000 do: [ :i | Object new ] ] reportOn: s withDetails: true].
"
Class {
#name : #SqueakVMProfiler,
#superclass : #VMProfiler,
#category : #'CogTools-VMProfiler'
}
{ #category : #reports }
SqueakVMProfiler class >> amOnSpur [
^(Smalltalk vmParameterAt: 41) anyMask: 16
]
{ #category : #'instance creation' }
SqueakVMProfiler class >> default [
^self openInstance
]
{ #category : #'as yet unclassified' }
SqueakVMProfiler class >> fixTabs [
"Make sure the DefaultTabsArray and DefaultMarginTabsArray are adequately sized for modern displays."
| defaultTab tempArray width |
(Smalltalk bindingOf: #TextConstants) ifNil: [^self].
width := 2000.
(TextConstants at: #DefaultTabsArray) last < width ifTrue:
[defaultTab := TextConstants at: #DefaultTab.
tempArray := Array new: 2000 // defaultTab.
1 to: tempArray size do:
[:i | tempArray at: i put: defaultTab * i].
TextConstants at: #DefaultTabsArray put: tempArray.
tempArray := Array new: (width // defaultTab) // 2.
1 to: tempArray size do:
[:i | tempArray at: i put: (Array with: (defaultTab*i) with: (defaultTab*i))].
TextConstants at: #DefaultMarginTabsArray put: tempArray]
]
{ #category : #'as yet unclassified' }
SqueakVMProfiler class >> initialize [
super initialize.
(TheWorldMenu respondsTo: #registerOpenCommand:) ifTrue:
[TheWorldMenu registerOpenCommand: {'VM Profiler'. {self. #open}. 'A VM profiler'}].
Preferences ifNotNil: [Preferences addBooleanPreference: #vmProfilerFillInIntegral
category: #vmProfiler
default: false
balloonHelp: 'If enabled, the profiler will fill in the area under the integral.'].
('Squeak*' match: Smalltalk version) ifTrue: [self fixTabs] "ugly fix for configuration. temporary"
]
{ #category : #'instance creation' }
SqueakVMProfiler class >> open [
^self new openInWindow
]
{ #category : #'instance creation' }
SqueakVMProfiler class >> openInstance [
| window |
window := World submorphs
detect: [:sm| sm isSystemWindow and: [sm label = 'VMProfiler']]
ifNone: [self open].
^window model
]
{ #category : #spying }
SqueakVMProfiler class >> report: aStream [
"Compatibility with MessageTally and AndreasSystemProfiler instance side spyOn: & report:"
^self openInstance report: aStream
]
{ #category : #spying }
SqueakVMProfiler class >> spyOn: aBlock [
"Compatibility with MessageTally and AndreasSystemProfiler instance side spyOn: & report:"
^Cursor execute showWhile:
[self openInstance spyOn: aBlock]
]
{ #category : #selecting }
SqueakVMProfiler >> addToHistory [
historyIndex < history size ifTrue:
[history := history copyFrom: 1 to: historyIndex].
(history isEmpty or: [history last ~= (lowAddress to: highAddress)]) ifTrue:
[history addLast: (lowAddress to: highAddress).
historyIndex := history size].
]
{ #category : #opening }
SqueakVMProfiler >> addressTextMorph: help get: getter set: setter [
| ptm |
ptm := PluggableTextMorph
on: self
text: getter accept: setter
readSelection: nil menu: nil.
ptm setProperty: #alwaysAccept toValue: true;
askBeforeDiscardingEdits: false;
acceptOnCR: true;
setBalloonText: help;
retractableOrNot;
hideOrShowScrollBars;
setProperty: #noScrollBarPlease toValue: true;
setProperty: #noVScrollBarPlease toValue: true.
^ptm
]
{ #category : #opening }
SqueakVMProfiler >> backwardsButton [
^ImageMorph new image: ((ScriptingSystem formAtKey: #playMPEG) flipBy: #horizontal centerAt: 0@0)
]
{ #category : #opening }
SqueakVMProfiler >> buttonMorph: getLabelMessage help: help set: setter enable: enabler color: colorGetter [
| pbm |
pbm := PluggableButtonMorphPlus on: self getState: nil action: setter label: getLabelMessage.
pbm
useRoundedCorners;
getEnabledSelector: enabler;
setBalloonText: help;
getColorSelector: colorGetter;
offColor: Color transparent.
^pbm
]
{ #category : #opening }
SqueakVMProfiler >> checkMorph: help get: getter set: setter [
| checkBoxButton |
checkBoxButton := UpdatingThreePhaseButtonMorph checkBox.
#(onImage pressedImage offImage)
with: #(onImage: pressedImage: offImage:)
do: [:get :set| | form |
((form := checkBoxButton perform: get) isColorForm
and: [form colors last = Color white]) ifTrue:
[checkBoxButton
perform: set
with: ((checkBoxButton perform: get) copy
colors: {Color transparent. Color black};
yourself)]].
^checkBoxButton
target: self;
actionSelector: setter;
getSelector: getter;
setBalloonText: help;
yourself
]
{ #category : #buttons }
SqueakVMProfiler >> clearButton [
"just weird..."
^'clear'
]
{ #category : #buttons }
SqueakVMProfiler >> clearColor [
^Color lightBlue
]
{ #category : #buttons }
SqueakVMProfiler >> clearPriorToProfile [
^clearPriorToProfile
]
{ #category : #'as yet unclassified' }
SqueakVMProfiler >> createParagraph [
^NewParagraph new
]
{ #category : #buttons }
SqueakVMProfiler >> drawButton [
"just weird..."
^'plot'
]
{ #category : #menus }
SqueakVMProfiler >> expressionTextMenu: aMenuMorph [
| expression |
expression := self trimmedExpressionText.
(expression isEmpty
or: [CannedBenchmarkStrings includes: expression]) ifFalse:
[aMenuMorph add: 'add text to benchmarks' target: self class selector: #canBenchmark: argument: expression].
aMenuMorph add: 'inspect canned benchmarks' target: ToolSet selector: #inspect: argument: CannedBenchmarkStrings.
CannedBenchmarkStrings isEmpty ifTrue:
[^aMenuMorph].
aMenuMorph addLine.
CannedBenchmarkStrings do:
[:benchmark|
aMenuMorph add: (benchmark contractTo: 60) target: self selector: #selectBenchmark: argument: benchmark].
^aMenuMorph
]
{ #category : #menus }
SqueakVMProfiler >> findSymbol: typeOrNil event: event [
| pattern matches selection anIndex |
previousPattern ifNil:
[previousPattern := '*'].
pattern := UIManager default
request: 'Symbol or pattern to find'
initialAnswer: previousPattern.
pattern isEmpty ifTrue: [^self].
previousPattern := pattern.
matches := symbolManager symbolsSelect:
(typeOrNil
ifNotNil:
[(pattern includesAnyOf: '#*')
ifTrue: [[:sym|
sym type == typeOrNil
and: [sym nameMatches: pattern]]]
ifFalse: [[:sym|
sym type == typeOrNil
and: [sym name
includesSubstring: pattern
caseSensitive: false]]]]
ifNil:
[(pattern includesAnyOf: '#*')
ifTrue: [[:sym| sym nameMatches: pattern]]
ifFalse: [[:sym| sym name
includesSubstring: pattern
caseSensitive: false]]]).
matches isEmpty ifTrue:
[^UIManager inform: 'No symbols match your query'].
matches size = 1
ifTrue: [selection := matches first]
ifFalse:
[matches := matches asSortedCollection:
[:s1 :s2| | sd1 sd2 |
(sd1 := s1 displayText) asString < (sd2 := s2 displayText) asString
or: [sd1 = sd2 and: [s1 address <= s2 address]]].
selection := (SelectionMenu
labelList: {'Choose symbol'},
(matches collect:
[:ea|
ea type == #module
ifTrue: [ea displayText]
ifFalse: [ea displayText, ' @', (ea address printStringRadix: 16),
' in ', (symbolManager moduleFor: ea) displayText]])
lines: {1}
selections: {nil}, matches) startUp.
selection ifNil: [^self]].
(symbolTypes includes: selection type) ifFalse:
[self toggleShowing: selection type].
minSelectionIndex := 0.
1 to: symbolList size do:
[:i|
selections
at: i
put: (((symbolList at: i) address >= selection address
and: [(symbolList at: i) limit <= selection limit])
ifTrue: [minSelectionIndex = 0 ifTrue: [minSelectionIndex := i].
maxSelectionIndex := i.
1]
ifFalse: [0])].
self changed: #symbolList.
self addToHistory.
"If selecting a label make sure there's not a zero address range so
select from the previous non-label symbol to the following non-label symbol"
selection address = selection limit
ifTrue: [anIndex := minSelectionIndex.
[(symbolList at: anIndex) type == #label
and: [anIndex > 1]] whileTrue: [anIndex := anIndex - 1].
lowAddress := (symbolList at: anIndex) address.
anIndex := maxSelectionIndex.
[(symbolList at: anIndex) type == #label
and: [anIndex < symbolList size]] whileTrue: [anIndex := anIndex + 1].
highAddress := (symbolList at: anIndex) address]
ifFalse:
[lowAddress := selection address.
highAddress := selection limit].
self updateAddressDependents;
updateButtons;
plotGraph
]
{ #category : #buttons }
SqueakVMProfiler >> forkProfile [
^forkProfile
]
{ #category : #opening }
SqueakVMProfiler >> forwardsButton [
^ImageMorph new image: (ScriptingSystem formAtKey: #playMPEG)
]
{ #category : #'as yet unclassified' }
SqueakVMProfiler >> getVMParameters [
^Smalltalk getVMParameters
]
{ #category : #accessing }
SqueakVMProfiler >> graphMargin [
^graph margin
]
{ #category : #selecting }
SqueakVMProfiler >> hasFuture [
^historyIndex < history size
]
{ #category : #buttons }
SqueakVMProfiler >> hasFutureColor [
^self hasFuture ifTrue: [Color transparent] ifFalse: [Color darkGray]
]
{ #category : #selecting }
SqueakVMProfiler >> hasHistory [
^historyIndex >= 1
]
{ #category : #buttons }
SqueakVMProfiler >> hasHistoryColor [
^self hasHistory ifTrue: [Color transparent] ifFalse: [Color darkGray]
]
{ #category : #accessing }
SqueakVMProfiler >> highAddressText [
^((highAddress printStringRadix: 16) allButFirst: 3) asText
]
{ #category : #accessing }
SqueakVMProfiler >> highAddressText: aText [
highAddress := ((Integer readFrom: aText asString asUppercase readStream base: 16) max: 0) min: self highestAddress.
self selectSymbolsInRange
]
{ #category : #sorting }
SqueakVMProfiler >> highestAddress [
^(sortedSamples isEmpty
ifTrue: [symbolManager modules last limit]
ifFalse: [symbolManager modules last limit max: sortedSamples last key]) asPowerOfTwo - 1
]
{ #category : #opening }
SqueakVMProfiler >> historyButtonMorph: getLabelMessage help: help set: setter enable: enabler color: colorGetter [
| pbm |
pbm := PluggableButtonMorphPlus on: self getState: nil action: setter label: getLabelMessage.
pbm
getEnabledSelector: enabler;
setBalloonText: help;
getColorSelector: colorGetter;
offColor: Color transparent.
^pbm
]
{ #category : #initialization }
SqueakVMProfiler >> initialize [
self initializeMost.
CompatibilityClass := SqueakVMMethodConverter new.
super initializeSymbols.
self toggleShowing: #module.
]
{ #category : #opening }
SqueakVMProfiler >> labelFont [
"Answer the font in which to draw the graph labels.
N.B. the labelling morph shrinks this font by half when displaying."
^(TextStyle named: 'BitstreamVeraSans') fontOfPointSize: 16
]
{ #category : #accessing }
SqueakVMProfiler >> lowAddressText [
^((lowAddress printStringRadix: 16) allButFirst: 3) asText
]
{ #category : #accessing }
SqueakVMProfiler >> lowAddressText: aText [
lowAddress := ((Integer readFrom: aText asString asUppercase readStream base: 16) max: 0) min: 16rFFFFFFFF.
self selectSymbolsInRange
]
{ #category : #profiling }
SqueakVMProfiler >> notProfiling [
^self profiling not
]
{ #category : #profiling }
SqueakVMProfiler >> notProfilingAndData [
^sampleBuffer notNil and: [self notProfiling]
]
{ #category : #opening }
SqueakVMProfiler >> openInWindow [
"VMProfiler open"
| window symbolListMorph labelsMorph buttons |
(window := SystemWindow new)
setProperty: #allowPaneSplitters toValue: false;
model: self;
setLabel: self class name;
fillStyle: Color white;
paneColor: Color white;
color: Color white.
(window respondsTo: #allowPaneSplitters:) ifTrue:
[window allowPaneSplitters: false].
"Cope with Squeak 4.1 SystemWindow background color changes"
window addMorph: (AlignmentMorph new color: Color white; yourself) frame: (0@0 corner: 1@1).
symbolListMorph := PluggableListMorphOfManyAlt
on: self
list: #symbolList
primarySelection: #symbolIndex
changePrimarySelection: #toggleListIndex:
listSelection: #symbolSelectionAt:
changeListSelection: #symbolSelectionAt:put:
getListElement: #listEntryForIndex:
menu: #symbolListMenu:.
symbolListMorph hScrollBarPolicy: #whenNeeded. "buggy misnamed selector :)"
labelsMorph := VMProfileGraphLabelMorph model: self font: self labelFont getLabels: #positionedLabels.
expressionTextMorph := PluggableTextMorph
on: self
text: nil accept: nil
readSelection: #selectionRange
menu: #expressionTextMenu:.
expressionTextMorph
setProperty: #alwaysAccept toValue: true;
askBeforeDiscardingEdits: false;
setBalloonText: 'type an expression to profile here'.
buttons := OrderedCollection new.
window
addMorph: symbolListMorph frame: (0@0 corner: 0.15@1);
addMorph: (graph := VMProfilePlotMorph model: self) frame: (0.15@0 corner: 1.0@0.7);
addMorph: labelsMorph frame: (0.15@0.7 corner: 1.0@0.85);
"address boxes"
addMorph: (self addressTextMorph:'Type the low address of the histogram here'
get: #lowAddressText
set: #lowAddressText:)
frame: (0.16@0.86 corner: 0.27@0.91);
addMorph: (self addressTextMorph:'Type the high address of the histogram here'
get: #highAddressText
set: #highAddressText:)
frame: (0.88@0.86 corner: 0.99@0.91);
addMorph: (self totalTextMorph: 'Shows the total number of samples' get: #totalText)
frame: (0.88@0.92 corner: 0.99@0.98);
"symbol list check-box filters"
addMorph: (self checkMorph: 'show module symbols'
get: #showingModules
set: #toggleShowModules)
frame: (0.16@0.915 corner: 0.175@0.93);
addMorph: (buttons addLast: (StringMorph contents: 'modules'))
frame: (0.19@0.915 corner: 0.27@0.93);
addMorph: (self checkMorph: 'show extern symbols'
get: #showingPublicFunctions
set: #toggleShowPublicFunctions)
frame: (0.16@0.935 corner: 0.175@0.95);
addMorph: (buttons addLast: (StringMorph contents: 'externs'))
frame: (0.19@0.935 corner: 0.27@0.95);
addMorph: (self checkMorph: 'show static symbols'
get: #showingPrivateFunctions
set: #toggleShowPrivateFunctions)
frame: (0.16@0.955 corner: 0.175@0.97);
addMorph: (buttons addLast: (StringMorph contents: 'statics'))
frame: (0.19@0.955 corner: 0.27@0.97);
addMorph: (self checkMorph: 'show static symbols'
get: #showingLabels
set: #toggleShowLabels)
frame: (0.16@0.975 corner: 0.175@0.99);
addMorph: (buttons addLast: (StringMorph contents: 'labels'))
frame: (0.19@0.975 corner: 0.27@0.99);
"history buttons"
addMorph: (self historyButtonMorph: #backwardsButton help: 'go back to previous selection'
set: #regress enable: #hasHistory color: #hasHistoryColor)
frame: (0.28@0.86 corner: 0.315@0.90);
addMorph: (self historyButtonMorph: #forwardsButton help: 'go forward to next selection'
set: #progress enable: #hasFuture color: #hasFutureColor)
frame: (0.32@0.86 corner: 0.355@0.90);
"profiling buttons"
addMorph: (self buttonMorph: #drawButton help: 'plot the graph'
set: #plotGraph enable: #notProfilingAndData color: #clearColor)
frame: (0.37@0.86 corner: 0.45@0.91);
addMorph: (self buttonMorph: #clearButton help: 'clear the histogram data'
set: #clearProfile enable: #notProfiling color: #clearColor)
frame: (0.46@0.86 corner: 0.54@0.91);
addMorph: (self buttonMorph: #startButton help: 'start the profiler'
set: #startProfiling enable: #notProfiling color: #profileColor)
frame: (0.28@0.915 corner: 0.36@0.96);
addMorph: (self buttonMorph: #stopButton help: 'stop the profiler'
set: #stopProfiling enable: #profiling color: #stopColor)
frame: (0.37@0.915 corner: 0.45@0.96);
addMorph: (self buttonMorph: #profileExpressionButton help: 'compile and profile the expression to the right'
set: #profileExpression enable: #notProfiling color: #profileColor)
frame: (0.46@0.915 corner: 0.54@0.96);
addMorph: expressionTextMorph
frame: (0.55@0.86 corner: 0.87@0.98);
addMorph: (self checkMorph: 'Run the full garbage collector prior to profiling'
get: #gcPriorToProfile
set: #toggleGcPriorToProfile)
frame: (0.28@0.97 corner: 0.295@0.985);
addMorph: (buttons addLast: (StringMorph contents: 'gc prior'))
frame: (0.30@0.97 corner: 0.365@0.995);
addMorph: (self checkMorph: 'Clear the profile prior to profiling'
get: #clearPriorToProfile
set: #toggleClearPriorToProfile)
frame: (0.37@0.97 corner: 0.385@0.985);
addMorph: (buttons addLast: (StringMorph contents: 'clear prior'))
frame: (0.39@0.97 corner: 0.455@0.995);
addMorph: (self checkMorph: 'Run the profiled expression in its own process'
get: #forkProfile
set: #toggleForkProfile)
frame: (0.46@0.97 corner: 0.475@0.985);
addMorph: (buttons addLast: (StringMorph contents: 'fork profile'))
frame: (0.48@0.97 corner: 0.545@0.995).
.
"A Color transparent fillStyle used to be the default. What a
pain that things change so radically from release to release!"
graph fillStyle: Color transparent.
self updateButtons. "weird!"
buttons do: [:buttonMorph| buttonMorph color: Color black]. "otherwise labels don't show :("
window openInWorld.
self toggleShowing: #module.
^window
]
{ #category : #graph }
SqueakVMProfiler >> plotGraph [
sortedSamples isEmpty ifTrue: [^self].
highAddress = 0 ifTrue:
[highAddress := self highestAddress.
self updateAddressDependents].
self plotSamplesFrom: lowAddress to: highAddress.
graph fullDrawOn: Display getCanvas
]
{ #category : #graph }
SqueakVMProfiler >> plotSamplesFrom: startAddress to: endAddress [
| histSeries intSeries integral range |
graph clear.
histSeries := graph series: #histogram.
intSeries := graph alternateSeries: #integral.
intSeries color: Color magenta; type: #stepped; drawArea: Preferences vmProfilerFillInIntegral.
range := self plotSamplesFrom: startAddress to: endAddress intoHistogram: histSeries andIntegral: intSeries.
histSeries addPoint: range last @ 0.
intSeries addPoint: range last @ (integral := intSeries points isEmpty ifTrue: [0] ifFalse: [intSeries points last y]).
(integral ~= 0 and: [Preferences vmProfilerFillInIntegral]) ifTrue:
[intSeries addPoint: range last @ 0].
self assert: histSeries points isEmpty = intSeries points isEmpty.
histSeries points notEmpty ifTrue:
[self assert: histSeries points first x = intSeries points first x.
self assert: histSeries points last x = intSeries points last x].
rangeTotal := integral.
graph xAxisFormatter:
[:n|
((range first + (n asFloat - range first)) rounded asInteger printStringRadix: 16) allButFirst: 3].
graph yAxisFormatter:
[:n|
(n rounded = n
ifTrue: [n]
ifFalse:
[n >= 100
ifTrue: [n rounded]
ifFalse: [(n * 10) rounded / 10]]) printString].
graph limitMinX: range first limitMaxX: range last.
self changed: #positionedLabels; changed: #totalText
]
{ #category : #graph }
SqueakVMProfiler >> plotSamplesFrom: startAddress to: endAddress intoHistogram: histogramSeries andIntegral: integralSeries [
"Plot the samples in the range startAddress to: endAddress, inclusive. Answer the range actually
plotted, which may be larger due to rounding when putting multiple addresses in the same bin."
| resolution sampleIndex numSamples nextSample plotter |
resolution := graph drawBounds width.
numSamples := sortedSamples size.
sampleIndex := sortedSamples findBinaryIndex: [:sample| startAddress - sample key] ifNone: [:lowIdx :highIdx| highIdx].
sampleIndex > numSamples ifTrue:
[^startAddress to: endAddress].
plotter := VMGraphPlotter new histogram: histogramSeries integral: integralSeries startAddress: startAddress.
nextSample := sortedSamples at: sampleIndex.
endAddress - startAddress + 1 > (resolution * 1.5) ifTrue:
[| binsPerPoint range sum |
binsPerPoint := (endAddress - startAddress + 1 / resolution) ceiling.
range := startAddress to: endAddress + binsPerPoint - 1 by: binsPerPoint.
range do:
[:address| | next |
next := address + binsPerPoint.
sum := 0.
[nextSample key < next] whileTrue:
[self assert: nextSample key >= address.
sum := sum + nextSample value.
(sampleIndex := sampleIndex + 1) > numSamples ifTrue:
[plotter addPlotFor: sum at: address.
^range].
nextSample := sortedSamples at: sampleIndex].
plotter addPlotFor: sum at: address].
^range].
plotter plotAsBars: true.
startAddress to: endAddress do:
[:address|
nextSample key <= address
ifTrue:
[self assert: nextSample key >= address.
plotter addPlotFor: nextSample value at: address.
(sampleIndex := sampleIndex + 1) > numSamples ifTrue:
[^startAddress to: endAddress].
nextSample := sortedSamples at: sampleIndex]
ifFalse:
[plotter addPlotFor: 0 at: address]].
^startAddress to: endAddress
]
{ #category : #buttons }
SqueakVMProfiler >> profileColor [
^self profiling ifTrue: [Color darkGray] ifFalse: [Color lightGreen]
]
{ #category : #profiling }
SqueakVMProfiler >> profileExpression [
| expressionText logExpression block |
expressionText := expressionTextMorph text.
expressionText isEmpty ifTrue:
[^self changed: #flash].
(expressionText first = $[
and: [expressionText last = $] ]) ifFalse:
[expressionText := '[' asText, expressionText, ']' asText.
expressionTextMorph setText: expressionText].
self changed: #selectionRange with: (1 to: expressionText size).
logExpression := true. "This could be a preference but for now allows both versions to live here."
block := logExpression
ifTrue: [expressionTextMorph doIt]
ifFalse:
[Compiler
evaluate: expressionText
for: nil
notifying: (expressionTextMorph instVarNamed: 'textMorph') editor
logged: false].
block == expressionTextMorph ifTrue:
[self error: expressionTextMorph class name, '>>doit does not answer the result'].
block isBlock ifTrue:
[self spyOn: block]
]
{ #category : #buttons }
SqueakVMProfiler >> profileExpressionButton [
"Just weird!"
^'profile:'
]
{ #category : #profiling }
SqueakVMProfiler >> profiling [
^aboutToProfile or: [self statusOfVMProfile]
]
{ #category : #selecting }
SqueakVMProfiler >> progress [
| range |
range := history at: (historyIndex := historyIndex + 1).
lowAddress := range first.
highAddress := range last.
self updateAddressDependents.
self updateButtons.
self selectSymbolsInRange.
self plotGraph
]
{ #category : #'as yet unclassified' }
SqueakVMProfiler >> regress [
| range |
range := history at: historyIndex.
range = (lowAddress to: highAddress)
ifTrue:
[(historyIndex := historyIndex - 1) > 0 ifTrue:
[range := history at: historyIndex]]
ifFalse:
[history addLast: (lowAddress to: highAddress)].
lowAddress := range first.
highAddress := range last.
self updateAddressDependents.
self updateButtons.
self selectSymbolsInRange.
self plotGraph
]
{ #category : #'as yet unclassified' }
SqueakVMProfiler >> selectProportionFrom: low to: high [
| range |
self addToHistory.
range := highAddress - lowAddress.
highAddress := lowAddress + (range * high) rounded.
lowAddress := lowAddress + (range * low) rounded.
self selectSymbolsInRange.
self updateAddressDependents.
self updateButtons.
self plotGraph
]
{ #category : #profiling }
SqueakVMProfiler >> selectionRange [
^expressionTextMorph
ifNotNil: [1 to: expressionTextMorph text size]
ifNil: [0 to: 0]
]
{ #category : #buttons }
SqueakVMProfiler >> showingLabels [
^symbolTypes includes: #label
]
{ #category : #buttons }
SqueakVMProfiler >> showingModules [
^symbolTypes includes: #module
]
{ #category : #buttons }
SqueakVMProfiler >> showingPrivateFunctions [
^symbolTypes includes: #privateFunction
]
{ #category : #buttons }
SqueakVMProfiler >> showingPublicFunctions [
^symbolTypes includes: #publicFunction
]
{ #category : #spying }
SqueakVMProfiler >> spyOn: aBlock [
| r |
r := super spyOn: aBlock.
WorldState addDeferredUIMessage: [self plotGraph].
^ r
]
{ #category : #buttons }
SqueakVMProfiler >> startButton [
"just weird..."
^'start'
]
{ #category : #primitives }
SqueakVMProfiler >> statusOfVMProfile [
<primitive: 252>
^self primitiveFailed
]
{ #category : #buttons }
SqueakVMProfiler >> stopButton [
"just weird..."
^'stop'
]
{ #category : #buttons }
SqueakVMProfiler >> stopColor [
^self profiling ifTrue: [Color red] ifFalse: [Color darkGray]
]
{ #category : #profiling }
SqueakVMProfiler >> stopProfiling [
super stopProfiling.
self updateButtons
]
{ #category : #menus }
SqueakVMProfiler >> symbolListMenu: aMenuMorph [
aMenuMorph
add: 'find...' target: self selector: #findSymbol:event: argument: nil;
add: 'find module...' target: self selector: #findSymbol:event: argument: #module;
add: 'find extern...' target: self selector: #findSymbol:event: argument: #publicFunction;
add: 'find static...' target: self selector: #findSymbol:event: argument: #privateFunction;
add: 'find label...' target: self selector: #findSymbol:event: argument: #label.
sampleBuffer ifNotNil:
[aMenuMorph
addLine;
add: 'vm report' target: self selector: #vmReport: argument: #justWeird;
add: 'interpreter report' target: self selector: #interpreterReport: argument: #justWeird].
^aMenuMorph
]
{ #category : #accessing }
SqueakVMProfiler >> symbolSelectionAt: index put: aBoolean [
Transcript cr; nextPutAll: #symbolSelectionAt:; space; print: index; nextPutAll: ' put: '; print: aBoolean; flush.
minSelectionIndex := maxSelectionIndex := index.
(index between: 1 and: selections size) ifTrue:
[selections at: index put: (aBoolean ifTrue: [1] ifFalse: [0])].
1 to: minSelectionIndex - 1 do:
[:i| selections at: i put: 0].
maxSelectionIndex + 1 to: selections size do:
[:i| selections at: i put: 0].
self changed: #symbolList.
self updateAddressSelection
]
{ #category : #buttons }
SqueakVMProfiler >> toggleClearPriorToProfile [
clearPriorToProfile := clearPriorToProfile not.
self changed: #clearPriorToProfile
]
{ #category : #buttons }
SqueakVMProfiler >> toggleForkProfile [
forkProfile := forkProfile not.
self changed: #forkProfile
]
{ #category : #buttons }
SqueakVMProfiler >> toggleGcPriorToProfile [
gcPriorToProfile := gcPriorToProfile not.
self changed: #gcPriorToProfile
]
{ #category : #accessing }
SqueakVMProfiler >> toggleListIndex: index [
Transcript cr; nextPutAll: #toggleListIndex:; space; print: index; flush.
selections at: index put: ((selections at: index ifAbsent: [^self]) bitXor: 1).
self updateAddressSelection
]
{ #category : #buttons }
SqueakVMProfiler >> toggleShowLabels [
self toggleShowing: #label
]
{ #category : #buttons }
SqueakVMProfiler >> toggleShowModules [
self toggleShowing: #module
]
{ #category : #buttons }
SqueakVMProfiler >> toggleShowPrivateFunctions [
self toggleShowing: #privateFunction
]
{ #category : #buttons }
SqueakVMProfiler >> toggleShowPublicFunctions [
self toggleShowing: #publicFunction
]
{ #category : #accessing }
SqueakVMProfiler >> totalText [
^(String streamContents:
[:s|
total > 0 ifTrue:
[s print: (rangeTotal * 10000 / total) rounded / 100.0;
nextPutAll: '% of';
cr].
s print: total]) asText
]
{ #category : #opening }
SqueakVMProfiler >> totalTextMorph: help get: getter [
| ptm |
ptm := PluggableTextMorph
on: self
text: getter accept: nil
readSelection: nil menu: nil.
ptm askBeforeDiscardingEdits: false;
setBalloonText: help;
retractableOrNot;
hideOrShowScrollBars;
setProperty: #noScrollBarPlease toValue: true;
setProperty: #noVScrollBarPlease toValue: true.
^ptm
]
{ #category : #accessing }
SqueakVMProfiler >> updateAddressDependents [
self changed: #lowAddressText; changed: #highAddressText; changed: #symbolIndex.
self dependents do:
[:dep|
(dep class == PluggableTextMorph
and: [dep getTextSelector == #highAddressText]) ifTrue:
[(dep instVarNamed: 'textMorph') editor setAlignment: #rightFlush]]
]
{ #category : #accessing }
SqueakVMProfiler >> updateAddressSelection [
| min max |
1 to: selections size do:
[:i|
(selections at: i) > 0 ifTrue:
[min ifNil: [min :=i].
max := i]].
min
ifNil: [lowAddress := 0.
highAddress := self highestAddress.
minSelectionIndex := maxSelectionIndex := 0]
ifNotNil:
[minSelectionIndex := min. maxSelectionIndex := max.
minSelectionIndex + 1 to: maxSelectionIndex - 1 do:
[:i| selections at: i put: 1].
lowAddress := (symbolList at: minSelectionIndex) address.
highAddress := (symbolList at: maxSelectionIndex) limit].
self updateAddressDependents
]