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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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85
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'From Smalltalk/X, Version:2.10.5 on 22-mar-1995 at 7:43:35 am'!
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StandardSystemView subclass:#MemoryMonitor
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instanceVariableNames:'updateInterval updateBlock myProcess oldData newData freeData
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updateIndex org maxTotal minTotal dX 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 1.15 1995-06-06 04:20:44 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 1.15 1995-06-06 04:20:44 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:'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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updateDisplay
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"update picture; trigger next update"
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|total oldSpaceUsed newSpaceUsed freeMem
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gWidth shift scaleChange margin mustWait|
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shown ifTrue:[
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oldSpaceUsed := ObjectMemory oldSpaceUsed + ObjectMemory symSpaceUsed.
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newSpaceUsed := ObjectMemory newSpaceUsed.
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freeMem := ObjectMemory freeListSpace.
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total := oldSpaceUsed + newSpaceUsed.
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scaleChange := false.
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((total - freeMem) < minTotal) ifTrue:[
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minTotal := total - freeMem.
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scaleChange := true
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].
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(total > maxTotal) ifTrue:[
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maxTotal := total.
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scaleChange := true
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].
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oldData at:updateIndex put:oldSpaceUsed.
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newData at:updateIndex put:newSpaceUsed.
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freeData at:updateIndex put:freeMem.
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updateIndex := updateIndex + 1.
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scaleChange ifTrue:[
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scale := height asFloat / (maxTotal + 100000).
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self redraw
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].
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gWidth := width - org.
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margin := 1.
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85
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mustWait := false.
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((updateIndex-1) >= (gWidth - margin)) ifTrue:[
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"on slow displays, use:"
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"/ shift := gWidth // 4.
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153 |
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"for smooth display, use:"
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shift := 1.
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156 |
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oldData replaceFrom:1 with:oldData startingAt:shift+1.
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newData replaceFrom:1 with:newData startingAt:shift+1.
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freeData replaceFrom:1 with:freeData startingAt:shift+1.
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160 |
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updateIndex := updateIndex - shift.
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dX := dX + shift.
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self catchExpose.
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self copyFrom:self
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x:(org + shift) y:0
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toX:org y:0
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width:(gWidth - shift - margin)
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height:height.
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self clearRectangleX:(width - margin - shift) y:0
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width:shift height:height.
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mustWait := true.
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].
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self updateLineX:(updateIndex - 1 + org - 1)
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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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self updateNumbers.
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mustWait ifTrue:[
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self waitForExpose.
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]
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].
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updateBlock notNil ifTrue:[
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Processor addTimedBlock:updateBlock afterSeconds:updateInterval
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].
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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 symSpaceSize
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+ ObjectMemory oldSpaceSize
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+ 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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241 |
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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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248 |
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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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262 |
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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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268 |
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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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279 |
"
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280 |
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281 |
|oldSpaceSize newSpaceSize memUsed oldMemUsed newMemUsed freeMem free2
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x y half s thisStringLen fontHeight total n|
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49
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283 |
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91
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oldMemUsed := ObjectMemory oldSpaceUsed + ObjectMemory symSpaceUsed.
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newMemUsed := ObjectMemory newSpaceUsed.
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freeMem := ObjectMemory freeListSpace.
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91
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oldSpaceSize := ObjectMemory oldSpaceSize + ObjectMemory symSpaceSize.
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49
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288 |
newSpaceSize := ObjectMemory newSpaceSize.
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289 |
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290 |
memUsed := oldMemUsed + newMemUsed "- freeMem".
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total := oldSpaceSize + newSpaceSize.
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68
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free2 := ObjectMemory freeSpace.
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49
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self paint:White on:Black.
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295 |
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fontHeight := font height + font descent.
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297 |
half := height // 2 + font descent.
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298 |
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299 |
y := half - (fontHeight * 3).
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300 |
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total ~~ prevTotal ifTrue:[
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52
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((total - freeMem) < minTotal) ifTrue:[
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303 |
minTotal := total - freeMem.
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304 |
].
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305 |
(total > maxTotal) ifTrue:[
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306 |
maxTotal := total.
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307 |
].
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308 |
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60
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s := 'max ' , ((maxTotal // 1024) printStringLeftPaddedTo:5) , 'k '.
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52
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310 |
self displayOpaqueString:s x:0 y:font ascent.
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311 |
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60
|
312 |
s := 'min ' , ((minTotal // 1024) printStringLeftPaddedTo:5) , 'k '.
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52
|
313 |
self displayOpaqueString:s x:0 y:(height - font descent).
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314 |
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60
|
315 |
s := 'tot ' , ((total // 1024) printStringLeftPaddedTo:5) , 'k '.
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49
|
316 |
self displayOpaqueString:s x:0 y:y.
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52
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317 |
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49
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318 |
prevTotal := total.
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319 |
].
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320 |
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|
321 |
y := y + fontHeight.
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60
|
322 |
s := 'all ' , ((memUsed // 1024) printStringLeftPaddedTo:5) , 'k '.
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49
|
323 |
self displayOpaqueString:s x:0 y:y.
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324 |
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|
325 |
y := y + fontHeight.
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|
326 |
self paint:newColor.
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60
|
327 |
s := 'new ' , ((newMemUsed // 1024) printStringLeftPaddedTo:5) , 'k '.
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49
|
328 |
self displayOpaqueString:s x:0 y:y.
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329 |
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|
330 |
y := y + fontHeight.
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|
331 |
freeMem ~~ prevFree ifTrue:[
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|
332 |
self paint:freeColor.
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60
|
333 |
s := 'frl ' , ((freeMem // 1024) printStringLeftPaddedTo:5) , 'k '.
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49
|
334 |
self displayOpaqueString:s x:0 y:y.
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|
335 |
prevFree := freeMem.
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|
336 |
].
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|
337 |
|
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|
338 |
y := y + fontHeight.
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|
339 |
free2 ~~ prevFree2 ifTrue:[
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|
340 |
self paint:freeColor.
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60
|
341 |
s := 'fre ' , ((free2 // 1024) printStringLeftPaddedTo:5) , 'k '.
|
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49
|
342 |
self displayOpaqueString:s x:0 y:y.
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|
343 |
prevFree2 := free2.
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|
344 |
].
|
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|
345 |
|
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|
346 |
y := y + fontHeight.
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|
347 |
(oldMemUsed - freeMem) ~~ prevOld ifTrue:[
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|
348 |
self paint:oldColor.
|
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60
|
349 |
s := 'old ' , (((oldMemUsed - freeMem) // 1024) printStringLeftPaddedTo:5) , 'k '.
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|
49
|
350 |
self displayOpaqueString:s x:0 y:y.
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|
351 |
prevOld := (oldMemUsed - freeMem).
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|
352 |
].
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|
353 |
|
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|
354 |
"
|
|
|
355 |
the following is internal - normally only interresting when debugging the VM
|
|
|
356 |
"
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|
357 |
y := y + fontHeight.
|
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|
358 |
self paint:oldColor.
|
|
60
|
359 |
s := 't:' , (ObjectMemory tenureAge printStringLeftPaddedTo:2) , ' '.
|
|
|
360 |
s := s , 'I:' , (ObjectMemory incrementalGCPhase printStringLeftPaddedTo:2) , ' '.
|
|
49
|
361 |
self displayOpaqueString:s x:0 y:y.
|
|
|
362 |
|
|
|
363 |
"/ does no longer make sense to show ....
|
|
|
364 |
"/ y := y + fontHeight.
|
|
|
365 |
"/ ObjectMemory runsSingleOldSpace ifTrue:[
|
|
|
366 |
"/ self displayOpaqueString:'single' x:0 y:(half + (fontHeight*4)).
|
|
|
367 |
"/ ].
|
|
|
368 |
|
|
52
|
369 |
y := y + fontHeight.
|
|
|
370 |
n := ObjectMemory lastScavangeReclamation / ObjectMemory newSpaceSize * 100.0.
|
|
|
371 |
n := 100 - n asInteger.
|
|
75
|
372 |
s := (ObjectMemory scavengeCount printStringLeftPaddedTo:5)
|
|
|
373 |
, (n printStringLeftPaddedTo:3) , '%'.
|
|
52
|
374 |
self displayOpaqueString:s x:0 y:y.
|
|
49
|
375 |
!
|
|
|
376 |
|
|
85
|
377 |
redraw
|
|
|
378 |
"redraw all"
|
|
45
|
379 |
|
|
85
|
380 |
self clear.
|
|
|
381 |
self redrawX:0 y:0 width:width height:height
|
|
45
|
382 |
! !
|
|
|
383 |
|
|
|
384 |
!MemoryMonitor methodsFor:'destroying'!
|
|
|
385 |
|
|
|
386 |
destroy
|
|
|
387 |
updateBlock notNil ifTrue:[
|
|
|
388 |
Processor removeTimedBlock:updateBlock.
|
|
|
389 |
] ifFalse:[
|
|
|
390 |
myProcess terminate.
|
|
|
391 |
myProcess := nil
|
|
19
|
392 |
].
|
|
49
|
393 |
oldData := newData := freeData := nil.
|
|
45
|
394 |
super destroy
|
|
19
|
395 |
! !
|
|
|
396 |
|
|
|
397 |
!MemoryMonitor methodsFor:'events'!
|
|
|
398 |
|
|
49
|
399 |
sizeChanged:how
|
|
|
400 |
|nn no nf delta oldSize newSize|
|
|
|
401 |
|
|
|
402 |
super sizeChanged:how.
|
|
19
|
403 |
|
|
45
|
404 |
oldSize := oldData size.
|
|
49
|
405 |
newSize := width-org+1.
|
|
|
406 |
|
|
|
407 |
(newSize == oldSize) ifTrue:[^ self].
|
|
45
|
408 |
|
|
49
|
409 |
nn := Array new:newSize.
|
|
|
410 |
no := Array new:newSize.
|
|
|
411 |
nf := Array new:newSize.
|
|
45
|
412 |
|
|
49
|
413 |
(newSize > oldSize) ifTrue:[
|
|
45
|
414 |
nn replaceFrom:1 to:oldSize with:newData.
|
|
|
415 |
no replaceFrom:1 to:oldSize with:oldData.
|
|
|
416 |
nf replaceFrom:1 to:oldSize with:freeData
|
|
19
|
417 |
] ifFalse:[
|
|
49
|
418 |
delta := (oldSize - newSize).
|
|
|
419 |
nn replaceFrom:1 with:newData startingAt:delta+1.
|
|
|
420 |
no replaceFrom:1 with:oldData startingAt:delta+1.
|
|
|
421 |
nf replaceFrom:1 with:freeData startingAt:delta+1.
|
|
|
422 |
updateIndex > newSize ifTrue:[
|
|
|
423 |
updateIndex := updateIndex - delta.
|
|
45
|
424 |
]
|
|
19
|
425 |
].
|
|
|
426 |
newData := nn.
|
|
45
|
427 |
oldData := no.
|
|
49
|
428 |
freeData := nf.
|
|
|
429 |
|
|
52
|
430 |
scale := height asFloat / (maxTotal + 100000).
|
|
|
431 |
self clear.
|
|
49
|
432 |
self redraw
|
|
85
|
433 |
!
|
|
|
434 |
|
|
|
435 |
keyPress:key x:x y:y
|
|
|
436 |
key == $f ifTrue:[
|
|
|
437 |
"faster"
|
|
|
438 |
updateInterval := updateInterval / 2
|
|
|
439 |
].
|
|
|
440 |
key == $s ifTrue:[
|
|
|
441 |
"slower"
|
|
|
442 |
updateInterval := updateInterval * 2
|
|
|
443 |
].
|
|
|
444 |
key == $r ifTrue:[
|
|
|
445 |
"reset max"
|
|
|
446 |
maxTotal := prevTotal.
|
|
|
447 |
scale := height asFloat / (maxTotal + 100000).
|
|
|
448 |
self redraw.
|
|
|
449 |
]
|
|
19
|
450 |
! !
|
|
45
|
451 |
|
|
|
452 |
!MemoryMonitor methodsFor:'initialization'!
|
|
|
453 |
|
|
85
|
454 |
memoryMenu
|
|
|
455 |
|labels selectors|
|
|
|
456 |
|
|
105
|
457 |
device ctrlDown ifTrue:[
|
|
|
458 |
labels := #(
|
|
|
459 |
'scavenge'
|
|
|
460 |
'tenure'
|
|
|
461 |
'-'
|
|
|
462 |
'cleanup memory'
|
|
|
463 |
).
|
|
|
464 |
selectors := #(
|
|
|
465 |
scavenge
|
|
|
466 |
tenure
|
|
|
467 |
nil
|
|
|
468 |
cleanupMemory
|
|
|
469 |
).
|
|
|
470 |
] ifFalse:[
|
|
|
471 |
labels := #(
|
|
|
472 |
'collect garbage'
|
|
|
473 |
'collect garbage & symbols'
|
|
|
474 |
'collect garbage & compress'
|
|
|
475 |
'-'
|
|
|
476 |
'background collect'
|
|
|
477 |
'-'
|
|
|
478 |
'compress sources'
|
|
|
479 |
).
|
|
85
|
480 |
|
|
105
|
481 |
selectors := #(
|
|
|
482 |
garbageCollect
|
|
|
483 |
garbageCollectAndSymbols
|
|
|
484 |
compressingGarbageCollect
|
|
|
485 |
nil
|
|
|
486 |
backgroundCollect
|
|
|
487 |
nil
|
|
|
488 |
compressSources
|
|
|
489 |
).
|
|
|
490 |
].
|
|
85
|
491 |
|
|
|
492 |
^ PopUpMenu labels:(resources array:labels)
|
|
|
493 |
selectors:selectors
|
|
|
494 |
receiver:self
|
|
|
495 |
!
|
|
|
496 |
|
|
45
|
497 |
realize
|
|
|
498 |
super realize.
|
|
|
499 |
updateBlock notNil ifTrue:[
|
|
93
|
500 |
Processor addTimedBlock:updateBlock afterSeconds:updateInterval.
|
|
45
|
501 |
] ifFalse:[
|
|
93
|
502 |
myProcess := [
|
|
|
503 |
|d|
|
|
45
|
504 |
|
|
93
|
505 |
[true] whileTrue:[
|
|
|
506 |
(Delay forSeconds:updateInterval) wait.
|
|
|
507 |
self updateDisplay
|
|
|
508 |
]
|
|
|
509 |
] forkAt:6.
|
|
|
510 |
myProcess name:'monitor [' ,
|
|
|
511 |
Processor activeProcess id printString ,
|
|
|
512 |
'] update'
|
|
45
|
513 |
].
|
|
|
514 |
|
|
|
515 |
newColor := newColor on:device.
|
|
|
516 |
freeColor := freeColor on:device.
|
|
|
517 |
oldColor := oldColor on:device.
|
|
|
518 |
|
|
|
519 |
font := font on:device.
|
|
|
520 |
!
|
|
|
521 |
|
|
|
522 |
initialize
|
|
|
523 |
super initialize.
|
|
|
524 |
|
|
|
525 |
updateInterval := 0.5.
|
|
|
526 |
ProcessorScheduler isPureEventDriven ifTrue:[
|
|
|
527 |
updateBlock := [self updateDisplay].
|
|
|
528 |
].
|
|
|
529 |
oldData := Array new:1000.
|
|
|
530 |
newData := Array new:1000.
|
|
|
531 |
freeData := Array new:1000.
|
|
|
532 |
|
|
|
533 |
updateIndex := 1.
|
|
52
|
534 |
org := font widthOf:'max 99999k'.
|
|
|
535 |
level := 0.
|
|
45
|
536 |
|
|
57
|
537 |
maxTotal := minTotal := ObjectMemory oldSpaceSize
|
|
91
|
538 |
+ ObjectMemory symSpaceSize
|
|
57
|
539 |
+ ObjectMemory newSpaceSize.
|
|
49
|
540 |
|
|
45
|
541 |
viewBackground := Black.
|
|
|
542 |
|
|
|
543 |
device hasColors ifTrue:[
|
|
|
544 |
newColor := Color yellow.
|
|
|
545 |
freeColor := Color green.
|
|
|
546 |
oldColor := Color white.
|
|
|
547 |
] ifFalse:[
|
|
|
548 |
newColor := Color grey:67.
|
|
|
549 |
freeColor := Color grey:33.
|
|
|
550 |
oldColor := Color white.
|
|
|
551 |
].
|
|
|
552 |
|
|
|
553 |
self font:(Font family:'courier' face:'medium' style:'roman' size:10).
|
|
|
554 |
|
|
75
|
555 |
self model:self.
|
|
|
556 |
self menu:#memoryMenu
|
|
|
557 |
|
|
45
|
558 |
"
|
|
|
559 |
MemoryMonitor open
|
|
|
560 |
"
|
|
|
561 |
! !
|
|
|
562 |
|
|
52
|
563 |
!MemoryMonitor methodsFor:'menu functions'!
|
|
|
564 |
|
|
105
|
565 |
cleanupMemory
|
|
|
566 |
"let all classes release unneeded, cached
|
|
|
567 |
data ..."
|
|
|
568 |
|
|
|
569 |
Smalltalk allBehaviorsDo:[:aClass |
|
|
|
570 |
aClass lowSpaceCleanup
|
|
|
571 |
].
|
|
|
572 |
"
|
|
|
573 |
then, perform a GC (incl. symbol reclamation)
|
|
|
574 |
"
|
|
|
575 |
ObjectMemory reclaimSymbols.
|
|
|
576 |
"
|
|
|
577 |
finally, compress
|
|
|
578 |
"
|
|
|
579 |
ObjectMemory verboseGarbageCollect.
|
|
|
580 |
!
|
|
|
581 |
|
|
52
|
582 |
garbageCollect
|
|
|
583 |
ObjectMemory markAndSweep
|
|
|
584 |
!
|
|
|
585 |
|
|
105
|
586 |
garbageCollectAndSymbols
|
|
|
587 |
ObjectMemory reclaimSymbols
|
|
|
588 |
!
|
|
|
589 |
|
|
52
|
590 |
compressingGarbageCollect
|
|
|
591 |
ObjectMemory verboseGarbageCollect
|
|
|
592 |
!
|
|
|
593 |
|
|
105
|
594 |
scavenge
|
|
|
595 |
ObjectMemory scavenge
|
|
|
596 |
!
|
|
|
597 |
|
|
|
598 |
tenure
|
|
|
599 |
ObjectMemory tenure
|
|
|
600 |
!
|
|
|
601 |
|
|
75
|
602 |
compressSources
|
|
|
603 |
Smalltalk compressSources.
|
|
|
604 |
ObjectMemory markAndSweep
|
|
85
|
605 |
!
|
|
|
606 |
|
|
|
607 |
backgroundCollect
|
|
|
608 |
[ObjectMemory incrementalGC] forkAt:5
|
|
52
|
609 |
! !
|