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"
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COPYRIGHT (c) 1992 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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'From Smalltalk/X, Version:2.10.3 on 30-sep-1994 at 11:13:14'!
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StandardSystemView subclass:#MemoryUsageView
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instanceVariableNames:'info list sortBlock'
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-Tools'
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!
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MemoryUsageView comment:'
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COPYRIGHT (c) 1992 by Claus Gittinger
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All Rights Reserved
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'!
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!MemoryUsageView class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1992 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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version
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"
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$Header: /cvs/stx/stx/libtool/MemoryUsageView.st,v 1.3 1994-10-28 03:30:32 claus Exp $
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"
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!
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documentation
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"
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this view shows an overview over the memory usage of the system.
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usage:
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MemoryUsageView new open
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Since scanning all memory takes some time, this is not done
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automatically, but upon request. See the middlebuttonmenu-'update'
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function.
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"
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! !
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!MemoryUsageView methodsFor:'menu actions'!
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sortByClass
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self label:'Memory usage; by class'.
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sortBlock := [:a :b | (a at:1) name < (b at:1) name].
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self updateDisplay
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!
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sortByInstCount
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self label:'Memory usage; by instance count'.
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sortBlock := [:a :b | (a at:2) > (b at:2) ].
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self updateDisplay
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!
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sortByMemoryUsage
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self label:'Memory usage; by memory usage'.
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sortBlock := [:a :b | (a at:3) > (b at:3)].
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self updateDisplay
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!
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inspectInstances
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|line className class|
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line := list selectionValue.
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(line notNil and:[line notEmpty]) ifTrue:[
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className := line asCollectionOfWords first.
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"
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special kludge
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"
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(className startsWith:'<') ifFalse:[
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(className startsWith:'all') ifFalse:[
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class := Smalltalk at:className asSymbol.
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class allInstances inspect
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]
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]
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]
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!
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update
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self updateInfo.
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self updateDisplay
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! !
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!MemoryUsageView methodsFor:'realization'!
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realize
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super realize.
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self updateInfo.
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self sortByClass.
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! !
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!MemoryUsageView methodsFor:'private'!
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updateDisplay
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"update the displayed list"
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|classNames counts sumSizes percents avgSizes rawData l line allMemory overAllCount overAllAvgSize|
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windowGroup withCursor:Cursor wait do:[
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rawData := info asSortedCollection:sortBlock.
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"/ "this avoids getting a sorted collection in the collect: below"
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"/ rawData := rawData asArray.
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classNames := rawData collect:[:i |
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|cls|
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cls := i at:1.
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cls == Class ifTrue:[
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'<all classes>'
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] ifFalse:[
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cls == Metaclass ifTrue:[
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'<all metaclasses>'
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] ifFalse:[
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cls displayString "/name
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]
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]
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].
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counts := rawData collect:[:i | (i at:2) ].
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sumSizes := rawData collect:[:i | (i at:3) ].
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allMemory := ObjectMemory bytesUsed.
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percents := sumSizes collect:[:sz | (sz / allMemory * 100 * 10) rounded / 10.0].
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avgSizes := (1 to:sumSizes size) collect:[:i | (((sumSizes at:i) / (counts at:i)) * 10) rounded / 10.0].
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l := OrderedCollection new.
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1 to:classNames size do:[:i |
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line := (classNames at:i) printStringPaddedTo:30 with:Character space.
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line := line , ((counts at:i) printStringLeftPaddedTo:10).
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line := line , ((avgSizes at:i) printStringLeftPaddedTo:10).
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line := line , ((sumSizes at:i) printStringLeftPaddedTo:10).
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line := line , ((percents at:i) printStringLeftPaddedTo:7).
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l add:line
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].
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"add summary line"
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overAllCount := counts inject:0 into:[:sum :this | sum + this].
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overAllAvgSize := ((allMemory / overAllCount) * 10) rounded / 10.0.
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l add:''.
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line := 'all objects' printStringPaddedTo:30 with:Character space.
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line := line , (overAllCount printStringLeftPaddedTo:10).
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line := line , (overAllAvgSize printStringLeftPaddedTo:10).
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line := line , (allMemory printStringLeftPaddedTo:10).
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line := line , (100.0 printStringLeftPaddedTo:7).
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l add:line.
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list list:l.
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]
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!
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updateInfo
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"scan all memory and collect the information"
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|myProcess myPriority|
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windowGroup withCursor:Cursor questionMark do:[
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info := IdentityDictionary new:600.
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"find all objects, collect stuff in info"
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"
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this is a time consuming operation; therefore lower my priority ...
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"
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myProcess := Processor activeProcess.
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myPriority := myProcess priority.
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myProcess priority:(Processor userBackgroundPriority).
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[
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ObjectMemory allObjectsDo:[:o |
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|i class|
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o isBehavior ifTrue:[
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o isMeta ifTrue:[
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class := Metaclass
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] ifFalse:[
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class := Class
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]
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] ifFalse:[
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class := o class.
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].
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(info includesKey:class) ifFalse:[
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info at:class put:(Array with:class
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with:1
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with:(ObjectMemory sizeOf:o))
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] ifTrue:[
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i := info at:class.
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i at:2 put:((i at:2) + 1).
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i at:3 put:((i at:3) + (ObjectMemory sizeOf:o))
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]
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].
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] valueNowOrOnUnwindDo:[
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myProcess priority:myPriority.
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].
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]
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! !
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!MemoryUsageView methodsFor:'initialization'!
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initialize
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|l helpView headLine|
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super initialize.
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self label:'Memory usage'.
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headLine := ' class # of insts avg sz bytes %mem '.
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l := Label in:self.
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l origin:(0.0 @ 0.0) corner:(1.0 @ l height).
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l borderWidth:0.
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l label:headLine.
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l adjust:#left.
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self extent:((font widthOf:headLine) + (device horizontalPixelPerMillimeter * 15) rounded) @ self height.
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helpView := ScrollableView for:SelectionInListView in:self.
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helpView origin:(0.0 @ l height) corner:1.0 @ 1.0.
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l origin:(helpView scrollBar width @ 0.0).
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list := helpView scrolledView.
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list font:(self font).
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list middleButtonMenu:(PopUpMenu
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labels:(
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resources array:#(
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'sort by class'
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'sort by inst count'
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'sort by memory usage'
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'-'
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'inspect instances'
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'-'
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'update'
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))
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selectors:#(sortByClass
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sortByInstCount
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sortByMemoryUsage
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nil
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inspectInstances
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nil
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update
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)
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receiver:self
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for:list).
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"MemoryUsageView start"
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! !
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