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"
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COPYRIGHT (c) 1991 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:#MemoryMonitor
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instanceVariableNames:'updateInterval updateBlock myProcess oldData newData
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freeData updateIndex org maxTotal minTotal dX
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newColor freeColor oldColor
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prevTotal prevFree prevFree2 prevOld scale'
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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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MemoryMonitor comment:'
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COPYRIGHT (c) 1991 by Claus Gittinger
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All Rights Reserved
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$Header: /cvs/stx/stx/libtool/MemoryMonitor.st,v 1.5 1994-11-28 21:11:38 claus Exp $
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'!
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!MemoryMonitor class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1991 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/MemoryMonitor.st,v 1.5 1994-11-28 21:11:38 claus Exp $
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"
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!
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documentation
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"
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Shows memory usage (oldspace + newspace). Simple, but useful.
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The numbers shown are:
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tot total memory usage (i.e. allocated oldSpace + allocated newSpace)
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(does not include the second semispace and other help-areas,
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such as the remembered set etc.)
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all current oldSpace in use + newSpace in use
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new current newSpace in use
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frl free space in (fragmented) free lists
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fre compact free area above the used oldSpace
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old current oldSpace in use
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max, extreme values of 'tot' since the monitor started
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min (can be reset by typing 'r' in the view)
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t tenure threshold
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I incremental GC state
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% percentage of live objects in newSpace after last scavenge
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(i.e. this is the garbage vs. living objects ratio of
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newSpace objects after the last scavenge)
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the graphic shows:
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yellow newSpace used
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green free memory in freeLists
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white oldSpace used
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the popupMenu offers GC functions; keyboard options are:
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'f' -> faster; 's' -> slower; 'r' -> reset min/max
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"
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! !
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!MemoryMonitor class methodsFor:'defaults'!
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defaultExtent
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^ (200 @ 200)
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!
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defaultLabel
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^ 'Memory Monitor'
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!
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defaultIcon
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|i|
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i := Image fromFile:'bitmaps/MemMonitor.xbm'.
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i notNil ifTrue:[^ i].
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^ super defaultIcon
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! !
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!MemoryMonitor methodsFor:'drawing'!
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redraw
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"redraw all"
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self clear.
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self redrawX:0 y:0 width:width height:height
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!
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redrawX:x y:y width:w height:h
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"redraw data"
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|total oldSpaceUsed newSpaceUsed freeMem lx s startIdx endIdx
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right|
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shown ifFalse:[^ self].
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right := x + w - 1.
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right >= org ifTrue:[
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lx := x.
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lx < org ifTrue:[
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lx := org
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].
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total := ObjectMemory oldSpaceSize + ObjectMemory newSpaceSize.
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startIdx := (lx-org+1).
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startIdx < 1 ifTrue:[
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startIdx := 1
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].
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endIdx := right-org+1.
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endIdx >= updateIndex ifTrue:[
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endIdx := updateIndex-1.
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].
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dX := 0.
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startIdx to:endIdx do:[:i |
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newSpaceUsed := newData at:i.
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newSpaceUsed notNil ifTrue:[
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oldSpaceUsed := oldData at:i.
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freeMem := freeData at:i.
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self updateLineX:lx - dX
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total:total
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old:oldSpaceUsed
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new:newSpaceUsed
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free:freeMem.
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].
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lx := lx + 1
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]
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].
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x < org ifTrue:[
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prevFree := prevFree2 := prevOld := prevTotal := nil.
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self updateNumbers.
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]
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!
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updateLineX:x total:total old:oldSpaceUsed new:newSpaceUsed free:freeMem
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|hNew hOld hFree y1 y2|
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hNew := (newSpaceUsed * scale) asInteger.
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hOld := (oldSpaceUsed * scale) // 2.
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hFree := (freeMem * scale) asInteger.
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y1 := height - 1.
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y2 := y1 - hOld.
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self paint:oldColor.
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self displayLineFromX:x y:y1 toX:x y:y2.
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y1 := y2.
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y2 := y1 - hFree.
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self paint:freeColor.
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self displayLineFromX:x y:y1 toX:x y:y2.
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y1 := y2.
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y2 := y1 - hNew.
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self paint:newColor.
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self displayLineFromX:x y:y1 toX:x y:y2.
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!
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updateNumbers
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"redraw numbers.
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The values shown are:
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max: maximum memory used since monitor started
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min: minimum memory used since monitor started
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tot: total memory used (overall oldSpace + overall newSpace)
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all: current memory in use (oldSpace + newSpace)
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new: current newSpace in use
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free: current size of freelist in oldSpace
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old: current oldSpace in use
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"
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|oldSpaceSize newSpaceSize memUsed oldMemUsed newMemUsed freeMem free2
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x y half s thisStringLen fontHeight total n|
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207 |
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oldMemUsed := ObjectMemory oldSpaceUsed.
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newMemUsed := ObjectMemory newSpaceUsed.
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freeMem := ObjectMemory freeListSpace.
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oldSpaceSize := ObjectMemory oldSpaceSize.
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newSpaceSize := ObjectMemory newSpaceSize.
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213 |
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memUsed := oldMemUsed + newMemUsed "- freeMem".
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total := oldSpaceSize + newSpaceSize.
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free2 := oldSpaceSize - oldMemUsed.
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self paint:White on:Black.
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fontHeight := font height + font descent.
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half := height // 2 + font descent.
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y := half - (fontHeight * 3).
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total ~~ prevTotal ifTrue:[
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((total - freeMem) < minTotal) ifTrue:[
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minTotal := total - freeMem.
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].
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(total > maxTotal) ifTrue:[
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maxTotal := total.
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].
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232 |
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s := 'max ' , ((maxTotal // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:font ascent.
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235 |
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s := 'min ' , ((minTotal // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:(height - font descent).
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s := 'tot ' , ((total // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:y.
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prevTotal := total.
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].
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y := y + fontHeight.
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s := 'all ' , ((memUsed // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:y.
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y := y + fontHeight.
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self paint:newColor.
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s := 'new ' , ((newMemUsed // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:y.
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y := y + fontHeight.
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freeMem ~~ prevFree ifTrue:[
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self paint:freeColor.
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s := 'frl ' , ((freeMem // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:y.
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prevFree := freeMem.
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].
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261 |
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y := y + fontHeight.
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free2 ~~ prevFree2 ifTrue:[
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self paint:freeColor.
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s := 'fre ' , ((free2 // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:y.
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prevFree2 := free2.
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].
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269 |
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y := y + fontHeight.
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(oldMemUsed - freeMem) ~~ prevOld ifTrue:[
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self paint:oldColor.
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s := 'old ' , (((oldMemUsed - freeMem) // 1024) printStringRightAdjustLen:5) , 'k '.
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self displayOpaqueString:s x:0 y:y.
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prevOld := (oldMemUsed - freeMem).
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].
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277 |
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"
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279 |
the following is internal - normally only interresting when debugging the VM
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280 |
"
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y := y + fontHeight.
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self paint:oldColor.
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s := 't:' , (ObjectMemory tenureAge printStringRightAdjustLen:2) , ' '.
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s := s , 'I:' , (ObjectMemory incrementalGCPhase printStringRightAdjustLen:2) , ' '.
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self displayOpaqueString:s x:0 y:y.
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286 |
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287 |
"/ does no longer make sense to show ....
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288 |
"/ y := y + fontHeight.
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"/ ObjectMemory runsSingleOldSpace ifTrue:[
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"/ self displayOpaqueString:'single' x:0 y:(half + (fontHeight*4)).
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"/ ].
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292 |
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y := y + fontHeight.
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n := ObjectMemory lastScavangeReclamation / ObjectMemory newSpaceSize * 100.0.
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295 |
n := 100 - n asInteger.
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296 |
s := (n printStringRightAdjustLen:2) , '%'.
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self displayOpaqueString:s x:0 y:y.
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!
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299 |
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updateDisplay
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301 |
"update picture; trigger next update"
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302 |
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303 |
|total oldSpaceUsed newSpaceUsed freeMem
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304 |
gWidth shift scaleChange margin mustWait|
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305 |
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45
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306 |
shown ifTrue:[
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49
|
307 |
oldSpaceUsed := ObjectMemory oldSpaceUsed.
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308 |
newSpaceUsed := ObjectMemory newSpaceUsed.
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45
|
309 |
freeMem := ObjectMemory freeListSpace.
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49
|
310 |
total := oldSpaceUsed + newSpaceUsed.
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19
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311 |
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45
|
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scaleChange := false.
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52
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313 |
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49
|
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((total - freeMem) < minTotal) ifTrue:[
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|
315 |
minTotal := total - freeMem.
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45
|
316 |
scaleChange := true
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317 |
].
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49
|
318 |
(total > maxTotal) ifTrue:[
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319 |
maxTotal := total.
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45
|
320 |
scaleChange := true
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321 |
].
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49
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322 |
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323 |
oldData at:updateIndex put:oldSpaceUsed.
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324 |
newData at:updateIndex put:newSpaceUsed.
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325 |
freeData at:updateIndex put:freeMem.
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|
326 |
updateIndex := updateIndex + 1.
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|
327 |
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45
|
328 |
scaleChange ifTrue:[
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52
|
329 |
scale := height asFloat / (maxTotal + 100000).
|
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45
|
330 |
self redraw
|
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|
331 |
].
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19
|
332 |
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49
|
333 |
gWidth := width - org.
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|
334 |
margin := 1.
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45
|
335 |
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52
|
336 |
mustWait := false.
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49
|
337 |
((updateIndex-1) >= (gWidth - margin)) ifTrue:[
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|
338 |
"on slow displays, use:"
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|
339 |
"/ shift := gWidth // 4.
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45
|
340 |
|
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49
|
341 |
"for smooth display, use:"
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|
342 |
shift := 1.
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19
|
343 |
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49
|
344 |
oldData replaceFrom:1 with:oldData startingAt:shift+1.
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|
345 |
newData replaceFrom:1 with:newData startingAt:shift+1.
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|
346 |
freeData replaceFrom:1 with:freeData startingAt:shift+1.
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45
|
347 |
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49
|
348 |
updateIndex := updateIndex - shift.
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|
349 |
dX := dX + shift.
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19
|
350 |
|
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49
|
351 |
self catchExpose.
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|
352 |
self copyFrom:self
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|
353 |
x:(org + shift) y:0
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|
354 |
toX:org y:0
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|
355 |
width:(gWidth - shift - margin)
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|
356 |
height:height.
|
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|
357 |
self clearRectangleX:(width - margin - shift) y:0
|
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|
358 |
width:shift height:height.
|
|
52
|
359 |
mustWait := true.
|
|
45
|
360 |
].
|
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19
|
361 |
|
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52
|
362 |
self updateLineX:(updateIndex - 1 + org - 1)
|
|
49
|
363 |
total:total
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|
364 |
old:oldSpaceUsed
|
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|
365 |
new:newSpaceUsed
|
|
52
|
366 |
free:freeMem.
|
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45
|
367 |
|
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49
|
368 |
self updateNumbers.
|
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52
|
369 |
mustWait ifTrue:[
|
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|
370 |
self waitForExpose.
|
|
|
371 |
]
|
|
45
|
372 |
|
|
19
|
373 |
].
|
|
|
374 |
|
|
45
|
375 |
updateBlock notNil ifTrue:[
|
|
|
376 |
Processor addTimedBlock:updateBlock afterSeconds:updateInterval
|
|
19
|
377 |
].
|
|
45
|
378 |
! !
|
|
|
379 |
|
|
|
380 |
!MemoryMonitor methodsFor:'destroying'!
|
|
|
381 |
|
|
|
382 |
destroy
|
|
|
383 |
updateBlock notNil ifTrue:[
|
|
|
384 |
Processor removeTimedBlock:updateBlock.
|
|
|
385 |
] ifFalse:[
|
|
|
386 |
myProcess terminate.
|
|
|
387 |
myProcess := nil
|
|
19
|
388 |
].
|
|
49
|
389 |
oldData := newData := freeData := nil.
|
|
45
|
390 |
super destroy
|
|
19
|
391 |
! !
|
|
|
392 |
|
|
|
393 |
!MemoryMonitor methodsFor:'events'!
|
|
|
394 |
|
|
|
395 |
keyPress:key x:x y:y
|
|
|
396 |
key == $f ifTrue:[
|
|
52
|
397 |
"faster"
|
|
45
|
398 |
updateInterval := updateInterval / 2
|
|
19
|
399 |
].
|
|
|
400 |
key == $s ifTrue:[
|
|
52
|
401 |
"slower"
|
|
45
|
402 |
updateInterval := updateInterval * 2
|
|
52
|
403 |
].
|
|
|
404 |
key == $r ifTrue:[
|
|
|
405 |
"reset max"
|
|
|
406 |
maxTotal := prevTotal.
|
|
|
407 |
scale := height asFloat / (maxTotal + 100000).
|
|
|
408 |
self redraw.
|
|
19
|
409 |
]
|
|
|
410 |
!
|
|
|
411 |
|
|
49
|
412 |
sizeChanged:how
|
|
|
413 |
|nn no nf delta oldSize newSize|
|
|
|
414 |
|
|
|
415 |
super sizeChanged:how.
|
|
19
|
416 |
|
|
45
|
417 |
oldSize := oldData size.
|
|
49
|
418 |
newSize := width-org+1.
|
|
|
419 |
|
|
|
420 |
(newSize == oldSize) ifTrue:[^ self].
|
|
45
|
421 |
|
|
49
|
422 |
nn := Array new:newSize.
|
|
|
423 |
no := Array new:newSize.
|
|
|
424 |
nf := Array new:newSize.
|
|
45
|
425 |
|
|
49
|
426 |
(newSize > oldSize) ifTrue:[
|
|
45
|
427 |
nn replaceFrom:1 to:oldSize with:newData.
|
|
|
428 |
no replaceFrom:1 to:oldSize with:oldData.
|
|
|
429 |
nf replaceFrom:1 to:oldSize with:freeData
|
|
19
|
430 |
] ifFalse:[
|
|
49
|
431 |
delta := (oldSize - newSize).
|
|
|
432 |
nn replaceFrom:1 with:newData startingAt:delta+1.
|
|
|
433 |
no replaceFrom:1 with:oldData startingAt:delta+1.
|
|
|
434 |
nf replaceFrom:1 with:freeData startingAt:delta+1.
|
|
|
435 |
updateIndex > newSize ifTrue:[
|
|
|
436 |
updateIndex := updateIndex - delta.
|
|
45
|
437 |
]
|
|
19
|
438 |
].
|
|
|
439 |
newData := nn.
|
|
45
|
440 |
oldData := no.
|
|
49
|
441 |
freeData := nf.
|
|
|
442 |
|
|
52
|
443 |
scale := height asFloat / (maxTotal + 100000).
|
|
|
444 |
self clear.
|
|
49
|
445 |
self redraw
|
|
19
|
446 |
! !
|
|
45
|
447 |
|
|
|
448 |
!MemoryMonitor methodsFor:'initialization'!
|
|
|
449 |
|
|
|
450 |
realize
|
|
|
451 |
super realize.
|
|
|
452 |
updateBlock notNil ifTrue:[
|
|
|
453 |
Processor addTimedBlock:updateBlock afterSeconds:updateInterval.
|
|
|
454 |
] ifFalse:[
|
|
|
455 |
myProcess := [
|
|
|
456 |
|d|
|
|
|
457 |
|
|
|
458 |
[true] whileTrue:[
|
|
|
459 |
(Delay forSeconds:updateInterval) wait.
|
|
|
460 |
self updateDisplay
|
|
|
461 |
]
|
|
|
462 |
] forkAt:5.
|
|
|
463 |
myProcess name:'monitor update'
|
|
|
464 |
].
|
|
|
465 |
|
|
|
466 |
newColor := newColor on:device.
|
|
|
467 |
freeColor := freeColor on:device.
|
|
|
468 |
oldColor := oldColor on:device.
|
|
|
469 |
|
|
|
470 |
font := font on:device.
|
|
|
471 |
!
|
|
|
472 |
|
|
|
473 |
initialize
|
|
|
474 |
super initialize.
|
|
|
475 |
|
|
|
476 |
updateInterval := 0.5.
|
|
|
477 |
ProcessorScheduler isPureEventDriven ifTrue:[
|
|
|
478 |
updateBlock := [self updateDisplay].
|
|
|
479 |
].
|
|
|
480 |
oldData := Array new:1000.
|
|
|
481 |
newData := Array new:1000.
|
|
|
482 |
freeData := Array new:1000.
|
|
|
483 |
|
|
|
484 |
updateIndex := 1.
|
|
52
|
485 |
org := font widthOf:'max 99999k'.
|
|
|
486 |
level := 0.
|
|
45
|
487 |
|
|
49
|
488 |
maxTotal := minTotal := ObjectMemory oldSpaceSize + ObjectMemory newSpaceSize.
|
|
|
489 |
|
|
45
|
490 |
viewBackground := Black.
|
|
|
491 |
|
|
|
492 |
device hasColors ifTrue:[
|
|
|
493 |
newColor := Color yellow.
|
|
|
494 |
freeColor := Color green.
|
|
|
495 |
oldColor := Color white.
|
|
|
496 |
] ifFalse:[
|
|
|
497 |
newColor := Color grey:67.
|
|
|
498 |
freeColor := Color grey:33.
|
|
|
499 |
oldColor := Color white.
|
|
|
500 |
].
|
|
|
501 |
|
|
|
502 |
self font:(Font family:'courier' face:'medium' style:'roman' size:10).
|
|
|
503 |
|
|
|
504 |
"
|
|
|
505 |
MemoryMonitor open
|
|
|
506 |
"
|
|
52
|
507 |
!
|
|
|
508 |
|
|
|
509 |
initializeMiddleButtonMenu
|
|
|
510 |
self middleButtonMenu:
|
|
|
511 |
(PopUpMenu labels:(resources array:#(
|
|
|
512 |
'collect Garbage'
|
|
|
513 |
'collect Garbage & compress'
|
|
|
514 |
'-'
|
|
|
515 |
'background collect'
|
|
|
516 |
))
|
|
|
517 |
selectors:#(
|
|
|
518 |
garbageCollect
|
|
|
519 |
compressingGarbageCollect
|
|
|
520 |
nil
|
|
|
521 |
backgroundCollect
|
|
|
522 |
)
|
|
|
523 |
receiver:self
|
|
|
524 |
for:self)
|
|
45
|
525 |
! !
|
|
|
526 |
|
|
52
|
527 |
!MemoryMonitor methodsFor:'menu functions'!
|
|
|
528 |
|
|
|
529 |
garbageCollect
|
|
|
530 |
ObjectMemory markAndSweep
|
|
|
531 |
!
|
|
|
532 |
|
|
|
533 |
compressingGarbageCollect
|
|
|
534 |
ObjectMemory verboseGarbageCollect
|
|
|
535 |
!
|
|
|
536 |
|
|
|
537 |
backgroundCollect
|
|
|
538 |
[ObjectMemory incrementalGC] forkAt:4
|
|
|
539 |
! !
|
|
|
540 |
|