author | Claus Gittinger <cg@exept.de> |
Sun, 02 Mar 1997 11:23:46 +0100 | |
changeset 1053 | 9b1b15ef1e34 |
parent 1052 | 81d87e3e1d14 |
child 1273 | 3a8a91e6c5fa |
permissions | -rw-r--r-- |
45 | 1 |
" |
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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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StandardSystemView subclass:#MemoryUsageView |
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instanceVariableNames:'rawInfo info list sortBlock' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Monitors-ST/X' |
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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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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:'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 max 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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list := helpView scrolledView. |
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l origin:(list originRelativeTo:self) x @ 0.0. |
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list font:(self font). |
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l font:(self font). |
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list menuHolder:self; menuPerformer:self; menuMessage:#usageMenu. |
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" |
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MemoryUsageView open |
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" |
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! ! |
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!MemoryUsageView methodsFor:'menu actions'! |
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inspectInstances |
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|class| |
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list selection notNil ifTrue:[ |
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class := (info at:(list selection)) at:1. |
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self withCursor:(Cursor questionMark) do:[ |
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|insts| |
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special kludge |
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" |
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class isSymbol ifTrue:[ |
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class == #Namespace ifFalse:[ |
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^ SystemBrowser open |
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]. |
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class := (Smalltalk at:class) class. |
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insts := class allSubInstances. |
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insts remove:class soleInstance ifAbsent:nil |
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] ifFalse:[ |
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insts := class allInstances. |
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]. |
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insts size > 500 ifTrue:[ |
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(self confirm:'there are ' , insts size printString , ' instances.\\Do you really want to see them all ?' withCRs) |
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ifFalse:[^ self] |
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]. |
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insts inspect |
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] |
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] |
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"Modified: 15.10.1996 / 22:09:29 / cg" |
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! |
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inspectOwners |
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|class inspector| |
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list selection notNil ifTrue:[ |
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class := (info at:(list selection)) at:1. |
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" |
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special kludge |
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" |
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class isSymbol ifTrue:[^self]. |
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self withCursor:(Cursor questionMark) do:[ |
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|owners dict| |
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owners := (ObjectMemory whoReferencesInstancesOf:class). |
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owners isNil ifTrue:[ |
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self information:'no owners found - next GC should remove it'. |
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^ self |
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]. |
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owners := owners asOrderedCollection. |
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owners size > 500 ifTrue:[ |
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(self confirm:'there are ' , owners size printString , ' owners.\\Do you really want to see them all ?' withCRs) |
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ifFalse:[^ self] |
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]. |
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dict := IdentityDictionary new. |
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owners do:[:owner | |
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|set names oClass s| |
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skip weakArrays ... (they dont count) |
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" |
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(owner isMemberOf:WeakArray) ifFalse:[ |
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set := Set new. |
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owner == Smalltalk ifTrue:[ |
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owner keysAndValuesDo:[:key :val | |
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(val isMemberOf:class) ifTrue:[ |
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set add:key |
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] |
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] |
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] ifFalse:[ |
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names := owner class allInstVarNames. |
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oClass := owner class. |
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1 to:oClass instSize do:[:i | |
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((owner instVarAt:i) isMemberOf:class) ifTrue:[ |
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set add:(names at:i). |
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]. |
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]. |
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oClass isVariable ifTrue:[ |
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oClass isPointers ifTrue:[ |
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1 to:owner basicSize do:[:i | |
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((owner basicAt:i) isMemberOf:class) ifTrue:[ |
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set add:i |
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] |
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] |
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] |
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]. |
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]. |
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" |
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put a describing string into the dictionary |
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s := 'references in: '. |
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set do:[:name | |
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name isString ifTrue:[ |
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s := s , name , ' ' |
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] ifFalse:[ |
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s := s , '[' , name printString , '] ' |
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] |
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]. |
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dict at:owner put:s. |
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"/ dict at:owner put:set |
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] |
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]. |
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inspector := DictionaryInspectorView openOn:dict. |
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inspector listView doubleClickAction:[:lineNr | inspector doInspectKey]. |
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] |
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] |
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"Modified: 15.10.1996 / 22:09:38 / cg" |
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! |
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sortByAverageSize |
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self label:'Memory usage; by average size'. |
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"/ sortBlock := [:a :b | ((a at:3)/(a at:2)) > ((b at:3)/(b at:2))]. |
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sortBlock := [:a :b | |n1 n2 m1 m2| |
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n1 := ((a at:3)/(a at:2)). |
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n2 := ((b at:3)/(b at:2)). |
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n1 > n2 |
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or:[n1 == n2 |
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and:[(a at:1) displayString < (b at:1) displayString]]]. |
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self updateDisplay |
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! |
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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) displayString < (b at:1) displayString]. |
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self updateDisplay |
643 | 213 |
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"Modified: 28.6.1996 / 14:32:38 / cg" |
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! |
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sortByInstCount |
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self label:'Memory usage; by instance count'. |
924 | 219 |
"/ sortBlock := [:a :b | (a at:2) > (b at:2) ]. |
220 |
sortBlock := [:a :b | |n1 n2| |
|
221 |
n1 := (a at:2). |
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222 |
n2 := (b at:2). |
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223 |
n1 > n2 |
|
224 |
or:[n1 == n2 |
|
225 |
and:[(a at:1) displayString < (b at:1) displayString]]]. |
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self updateDisplay |
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! |
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924 | 229 |
sortByMaxSize |
230 |
self label:'Memory usage; by maximum size'. |
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231 |
"/ sortBlock := [:a :b | (a at:4) > (b at:4)]. |
|
232 |
sortBlock := [:a :b | |n1 n2 m1 m2| |
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233 |
n1 := (a at:4). |
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234 |
n2 := (b at:4). |
|
235 |
n1 > n2 |
|
236 |
or:[n1 == n2 |
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237 |
and:[(a at:1) displayString < (b at:1) displayString]]]. |
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238 |
self updateDisplay |
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||
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! |
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sortByMemoryUsage |
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self label:'Memory usage; by memory usage'. |
924 | 245 |
"/ sortBlock := [:a :b | (a at:3) > (b at:3)]. |
246 |
sortBlock := [:a :b | |n1 n2| |
|
247 |
n1 := (a at:3). |
|
248 |
n2 := (b at:3). |
|
249 |
n1 > n2 |
|
250 |
or:[n1 == n2 |
|
251 |
and:[(a at:1) displayString < (b at:1) displayString]]]. |
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self updateDisplay |
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256 |
|
19 | 257 |
update |
258 |
self updateInfo. |
|
259 |
self updateDisplay |
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92 | 260 |
! |
45 | 261 |
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262 |
usageMenu |
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263 |
^ PopUpMenu |
924 | 264 |
labels:(resources array:#( |
265 |
'sort by class' |
|
266 |
'sort by inst count' |
|
267 |
'sort by memory usage' |
|
268 |
'sort by average size' |
|
269 |
'sort by maximum size' |
|
270 |
'-' |
|
271 |
'inspect instances' |
|
272 |
'owners' |
|
273 |
'-' |
|
274 |
'update' |
|
275 |
)) |
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|
924 | 277 |
selectors:#(sortByClass |
278 |
sortByInstCount |
|
279 |
sortByMemoryUsage |
|
280 |
sortByAverageSize |
|
281 |
sortByMaxSize |
|
282 |
nil |
|
283 |
inspectInstances |
|
284 |
inspectOwners |
|
285 |
nil |
|
286 |
update |
|
287 |
). |
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|
92 | 289 |
|
290 |
||
45 | 291 |
! ! |
292 |
||
19 | 293 |
!MemoryUsageView methodsFor:'private'! |
294 |
||
45 | 295 |
updateDisplay |
296 |
"update the displayed list" |
|
19 | 297 |
|
49 | 298 |
windowGroup withCursor:Cursor wait do:[ |
769 | 299 |
|classNames counts sumSizes maxSizes percents avgSizes |
300 |
l line allMemory |
|
301 |
overAllCount overAllAvgSize overAllMaxSize| |
|
49 | 302 |
|
769 | 303 |
info := rawInfo asSortedCollection:sortBlock. |
19 | 304 |
|
769 | 305 |
classNames := info collect:[:infoArray | |
306 |
|cls| |
|
19 | 307 |
|
769 | 308 |
cls := infoArray at:1. |
770 | 309 |
cls == #Class ifTrue:[ |
769 | 310 |
'<all classes>' |
311 |
] ifFalse:[ |
|
770 | 312 |
cls == #Metaclass ifTrue:[ |
769 | 313 |
'<all metaclasses>' |
314 |
] ifFalse:[ |
|
770 | 315 |
cls == #PrivateMetaclass ifTrue:[ |
316 |
'<all private meta classes>' |
|
769 | 317 |
] ifFalse:[ |
770 | 318 |
cls == #PrivateClass ifTrue:[ |
319 |
'<all private classes>' |
|
320 |
] ifFalse:[ |
|
321 |
cls == #ObsoleteClass ifTrue:[ |
|
322 |
'<all obsolete classes>' |
|
323 |
] ifFalse:[ |
|
849 | 324 |
cls == #Namespace ifTrue:[ |
325 |
'<all namespaces>' |
|
326 |
] ifFalse:[ |
|
1017
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show name - not displayString
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|
327 |
cls "displayString" name |
849 | 328 |
] |
770 | 329 |
] |
330 |
] |
|
769 | 331 |
] |
332 |
] |
|
333 |
] |
|
334 |
]. |
|
19 | 335 |
|
769 | 336 |
counts := info collect:[:infoArray | (infoArray at:2) ]. |
337 |
sumSizes := info collect:[:infoArray | (infoArray at:3) ]. |
|
338 |
maxSizes := info collect:[:infoArray | (infoArray at:4) ]. |
|
339 |
allMemory := sumSizes inject:0 into:[:sum :this | sum + this]. |
|
340 |
"/ allMemory := ObjectMemory bytesUsed. |
|
341 |
percents := sumSizes collect:[:sz | (sz asFloat / allMemory * 1000) rounded / 10.0]. |
|
342 |
avgSizes := (1 to:sumSizes size) collect:[:i | (((sumSizes at:i) / (counts at:i)) * 10) rounded / 10.0]. |
|
52 | 343 |
|
769 | 344 |
l := OrderedCollection new. |
345 |
1 to:classNames size do:[:i | |
|
346 |
|line avgSz maxSz| |
|
19 | 347 |
|
769 | 348 |
avgSz := avgSizes at:i. |
349 |
maxSz := maxSizes at:i. |
|
350 |
avgSz = maxSz ifTrue:[ |
|
351 |
avgSz := avgSz asInteger printString , ' '. |
|
352 |
]. |
|
353 |
line := (classNames at:i) printStringPaddedTo:33 with:Character space. |
|
354 |
line := line , ((counts at:i) printStringLeftPaddedTo:7). |
|
355 |
line := line , (avgSz printStringLeftPaddedTo:10). |
|
356 |
line := line , (maxSz printStringLeftPaddedTo:8). |
|
357 |
line := line , ((sumSizes at:i) printStringLeftPaddedTo:10). |
|
358 |
line := line , ((percents at:i) printStringLeftPaddedTo:7). |
|
359 |
l add:line |
|
360 |
]. |
|
19 | 361 |
|
769 | 362 |
"add summary line" |
363 |
overAllCount := counts inject:0 into:[:sum :this | sum + this]. |
|
364 |
overAllAvgSize := ((allMemory / overAllCount) * 10) rounded / 10.0. |
|
365 |
overAllMaxSize := maxSizes max. |
|
19 | 366 |
|
769 | 367 |
l add:''. |
368 |
line := 'all objects' printStringPaddedTo:33 with:Character space. |
|
369 |
line := line , (overAllCount printStringLeftPaddedTo:7). |
|
370 |
line := line , (overAllAvgSize printStringLeftPaddedTo:10). |
|
371 |
line := line , (overAllMaxSize printStringLeftPaddedTo:8). |
|
372 |
line := line , (allMemory printStringLeftPaddedTo:10). |
|
373 |
line := line , (100.0 printStringLeftPaddedTo:7). |
|
374 |
l add:line. |
|
92 | 375 |
|
769 | 376 |
list list:l. |
49 | 377 |
] |
142 | 378 |
|
379 |
"Created: 19.9.1995 / 15:30:47 / claus" |
|
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380 |
"Modified: 29.1.1997 / 23:55:17 / cg" |
45 | 381 |
! |
19 | 382 |
|
45 | 383 |
updateInfo |
384 |
"scan all memory and collect the information" |
|
385 |
||
49 | 386 |
windowGroup withCursor:Cursor questionMark do:[ |
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387 |
|myProcess myPriority| |
45 | 388 |
|
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389 |
"find all objects, collect stuff in info" |
45 | 390 |
|
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391 |
" |
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392 |
this is a time consuming operation; therefore lower my priority ... |
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393 |
" |
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394 |
myProcess := Processor activeProcess. |
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395 |
myPriority := myProcess priority. |
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396 |
myProcess priority:(Processor userBackgroundPriority). |
45 | 397 |
|
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398 |
rawInfo := IdentityDictionary new:600. |
52 | 399 |
|
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400 |
[ |behaviorFlag| |
142 | 401 |
|
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402 |
behaviorFlag := Behavior flagBehavior. |
142 | 403 |
|
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404 |
ObjectMemory allObjectsDo:[:o | |
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405 |
|infoArray class bytes| |
45 | 406 |
|
142 | 407 |
"/ o isBehavior ifTrue:[ |
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408 |
class := o class. |
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409 |
(class flags bitAnd:behaviorFlag) ~~ 0 ifTrue:[ |
770 | 410 |
o isObsolete ifTrue:[ |
411 |
class := #ObsoleteClass |
|
412 |
] ifFalse:[ |
|
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413 |
o isMeta ifTrue:[ |
769 | 414 |
o isPrivate ifTrue:[ |
770 | 415 |
class := #PrivateMetaclass |
769 | 416 |
] ifFalse:[ |
770 | 417 |
class := #Metaclass |
769 | 418 |
] |
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419 |
] ifFalse:[ |
770 | 420 |
o isPrivate ifTrue:[ |
421 |
class := #PrivateClass |
|
422 |
] ifFalse:[ |
|
849 | 423 |
(o isNamespace |
424 |
and:[o ~~ Namespace |
|
425 |
and:[o ~~ Smalltalk]]) |
|
426 |
ifTrue:[ |
|
427 |
class := #Namespace |
|
428 |
] ifFalse:[ |
|
429 |
class := #Class |
|
430 |
] |
|
770 | 431 |
] |
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432 |
] |
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433 |
] |
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434 |
]. |
769 | 435 |
|
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|
436 |
bytes := ObjectMemory sizeOf:o. |
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437 |
infoArray := rawInfo at:class ifAbsent:[]. |
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438 |
infoArray isNil ifTrue:[ |
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439 |
infoArray := Array |
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|
440 |
with:class |
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|
441 |
with:1 |
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|
442 |
with:bytes |
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|
443 |
with:bytes. |
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444 |
rawInfo at:class put:infoArray. |
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445 |
] ifFalse:[ |
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446 |
infoArray at:2 put:((infoArray at:2) + 1). |
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447 |
infoArray at:3 put:((infoArray at:3) + bytes). |
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448 |
infoArray at:4 put:((infoArray at:4) max: bytes). |
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449 |
] |
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|
450 |
]. |
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451 |
] valueNowOrOnUnwindDo:[ |
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452 |
myProcess priority:myPriority. |
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453 |
]. |
45 | 454 |
] |
142 | 455 |
|
456 |
"Modified: 19.9.1995 / 15:29:10 / claus" |
|
770 | 457 |
"Modified: 15.10.1996 / 22:13:19 / cg" |
19 | 458 |
! ! |
45 | 459 |
|
92 | 460 |
!MemoryUsageView methodsFor:'realization'! |
461 |
||
462 |
realize |
|
463 |
super realize. |
|
464 |
self updateInfo. |
|
465 |
self sortByClass. |
|
466 |
! ! |
|
467 |
||
769 | 468 |
!MemoryUsageView class methodsFor:'documentation'! |
45 | 469 |
|
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|
470 |
version |
1053 | 471 |
^ '$Header: /cvs/stx/stx/libtool/MemoryUsageView.st,v 1.24 1997-03-02 10:23:12 cg Exp $' |
45 | 472 |
! ! |