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2363
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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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3173
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"{ Package: 'stx:libtool' }"
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2363
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View subclass:#MemoryMonitorView
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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 drawLock prevMemUsed
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prevCodeUsed prevNumWeak prevNumRem prevNumLifoRem prevTenureAge
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prevIGCPhase prevLastScavengeReclamation
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prevMinScavengeReclamation prevScavengeCount'
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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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!MemoryMonitorView 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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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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cod dynamic compiled code space size (just in time compiler)
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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 (1 .. 30)
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I incremental GC state (2 = idle)
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weak number of weak objects
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rem size of rememberedSet
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minsc: percent of newspace remaining after scavenge (worst case)
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(i.e. the minimum %% of scavenged objects)
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count number of scavenges since system started
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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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orange 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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[author:]
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Claus Gittinger
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[start with:]
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2367
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MemoryMonitor open
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2363
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MemoryMonitorView open
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[see also:]
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2367
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ObjectMemory MemoryMonitor
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2363
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MemoryUsageMonitor ProcessMonitor
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"
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! !
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!MemoryMonitorView methodsFor:'drawing'!
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displayKilo:aNumber name:nm y:y
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|s|
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aNumber >= (1024*1024*99) ifTrue:[
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s := nm , ((aNumber // (1024*1024)) printStringLeftPaddedTo:5) , 'M '.
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] ifFalse:[
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s := nm , ((aNumber // 1024) printStringLeftPaddedTo:5) , 'k '.
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].
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self displayOpaqueString:s x:0 y:y.
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"Modified: / 23.9.1998 / 13:19:04 / cg"
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!
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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 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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"/ force redraw.
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prevFree := prevFree2 := prevOld := prevTotal := nil.
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prevMemUsed := prevCodeUsed := prevNumWeak := prevNumRem := nil.
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prevNumLifoRem := prevTenureAge := prevIGCPhase := nil.
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prevLastScavengeReclamation := prevMinScavengeReclamation := nil.
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prevScavengeCount := nil.
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self updateNumbers.
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]
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"Modified: / 14.7.1998 / 23:33:47 / cg"
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!
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updateDisplay
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"update picture; trigger next update"
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|total oldSpaceUsed newSpaceUsed freeMem oldSpaceSize
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gWidth shift scaleChange margin|
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shown ifTrue:[
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drawLock wouldBlock ifFalse:[
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drawLock critical:[
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2369
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2363
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oldSpaceUsed := ObjectMemory oldSpaceUsed + ObjectMemory symSpaceUsed.
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newSpaceUsed := ObjectMemory newSpaceUsed.
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freeMem := ObjectMemory freeListSpace + (ObjectMemory oldSpaceSize - ObjectMemory oldSpaceUsed).
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oldSpaceSize := ObjectMemory oldSpaceSize + ObjectMemory symSpaceSize.
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total := oldSpaceSize + ObjectMemory newSpaceSize.
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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:oldSpaceSize. "/ 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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((updateIndex-1) >= (gWidth - margin)) ifTrue:[
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"on slow displays, use:"
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"/ shift := gWidth // 4.
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231 |
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"for smooth display, use:"
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shift := 1.
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234 |
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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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updateIndex := updateIndex - shift.
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2369
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dX := (dX ? 0) + shift.
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2363
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241 |
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"/ before copying, handle any outstanding exposes ...
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self repairDamage.
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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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async:false.
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self clearRectangleX:(width - margin - shift) y:0
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width:shift height:height.
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"/ self waitForExpose.
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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:oldSpaceSize "/ oldSpaceUsed
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new:newSpaceUsed
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free:freeMem.
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self updateNumbers.
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self flush.
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].
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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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"Modified: / 5.8.1998 / 13:13:18 / cg"
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!
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updateLineX:x total:total old:oldSpaceSize new:newSpaceUsed free:freeMem
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|hNew hOld hFree y1 y2 y3|
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hNew := (newSpaceUsed * scale) asInteger.
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hOld := (oldSpaceSize * scale) // 2.
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hFree := (freeMem * scale) // 2.
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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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y3 := y1 - hFree.
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self paint:freeColor.
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self displayLineFromX:x y:y1 toX:x y:y3.
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y1 := y2 - hNew.
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y1 ~= y2 ifTrue:[
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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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"Modified: / 29.1.1999 / 20:45:07 / stefan"
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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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fre: current size of freelist in oldSpace
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old: current oldSpace in use
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code: current just-in-time compiled code cache size
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t: current tenure age
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I: IGC state
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weak: number of weak arrays in the system
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rem remembered set size
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lrem lifo remembered set size
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minsc: percent of newspace remaining after scavenge (worst case)
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irq: max. interrupt delay
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count of scavenges / last scavenge survivor rate
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"
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324 |
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|oldSpaceSize newSpaceSize memUsed oldMemUsed newMemUsed freeMem free2
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codeUsed numWeak numRem numLifoRem tenureAge igcPhase
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minScavengeReclamation lastScavengeReclamation scavengeCount
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y half s fontHeight fontDescent total n|
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329 |
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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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oldSpaceSize := ObjectMemory oldSpaceSize + ObjectMemory symSpaceSize.
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newSpaceSize := ObjectMemory newSpaceSize.
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335 |
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memUsed := oldMemUsed + newMemUsed "- freeMem".
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total := oldSpaceSize + newSpaceSize.
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free2 := ObjectMemory freeSpace.
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339 |
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self paint:White on:Black.
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341 |
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fontDescent := font descent.
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fontHeight := font height + fontDescent.
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half := height // 2 + fontDescent.
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345 |
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y := half - (fontHeight * 5).
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347 |
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total ~~ prevTotal ifTrue:[
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349 |
((total - freeMem) < minTotal) ifTrue:[
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minTotal := total - freeMem.
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].
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352 |
(total > maxTotal) ifTrue:[
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maxTotal := total.
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].
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355 |
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self displayKilo:maxTotal name:'max ' y:font ascent.
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357 |
self displayKilo:minTotal name:'min ' y:(height - font descent).
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358 |
self displayKilo:total name:'tot ' y:y.
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359 |
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prevTotal := total.
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].
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362 |
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363 |
y := y + fontHeight.
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364 |
memUsed ~~ prevMemUsed ifTrue:[
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self displayKilo:memUsed name:'all ' y:y.
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366 |
prevMemUsed := memUsed.
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].
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368 |
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y := y + fontHeight.
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self paint:newColor.
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371 |
self displayKilo:newMemUsed name:'new ' y:y.
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372 |
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373 |
y := y + fontHeight.
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374 |
freeMem ~~ prevFree ifTrue:[
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self paint:freeColor.
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376 |
self displayKilo:freeMem name:'frl ' y:y.
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377 |
prevFree := freeMem.
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378 |
].
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379 |
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380 |
y := y + fontHeight.
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381 |
free2 ~~ prevFree2 ifTrue:[
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382 |
self paint:freeColor.
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383 |
self displayKilo:free2 name:'fre ' y:y.
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384 |
prevFree2 := free2.
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385 |
].
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386 |
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387 |
y := y + fontHeight.
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|
388 |
(oldMemUsed - freeMem) ~~ prevOld ifTrue:[
|
|
|
389 |
self paint:oldColor.
|
|
|
390 |
self displayKilo:(oldMemUsed - freeMem) name:'old ' y:y.
|
|
|
391 |
prevOld := (oldMemUsed - freeMem).
|
|
|
392 |
].
|
|
|
393 |
|
|
|
394 |
y := y + fontHeight.
|
|
|
395 |
ObjectMemory supportsJustInTimeCompilation ifTrue:[
|
|
|
396 |
codeUsed := ObjectMemory compiledCodeSpaceUsed.
|
|
|
397 |
prevCodeUsed ~~ codeUsed ifTrue:[
|
|
|
398 |
self paint:oldColor.
|
|
|
399 |
codeUsed > 9999 ifTrue:[
|
|
|
400 |
s := 'code ' , ((codeUsed // 1024) printStringLeftPaddedTo:4) , 'k'.
|
|
|
401 |
] ifFalse:[
|
|
|
402 |
s := 'code ' , (codeUsed printStringLeftPaddedTo:4) , ' '.
|
|
|
403 |
].
|
|
|
404 |
self displayOpaqueString:s x:0 y:y.
|
|
|
405 |
prevCodeUsed := codeUsed.
|
|
|
406 |
]
|
|
|
407 |
].
|
|
|
408 |
|
|
|
409 |
"
|
|
|
410 |
the following is internal - normally only interesting when debugging the VM
|
|
|
411 |
"
|
|
|
412 |
y := y + fontHeight.
|
|
|
413 |
tenureAge := ObjectMemory tenureAge.
|
|
|
414 |
igcPhase := ObjectMemory incrementalGCPhase.
|
|
|
415 |
(prevTenureAge ~~ tenureAge
|
|
|
416 |
or:[prevIGCPhase ~~ igcPhase]) ifTrue:[
|
|
|
417 |
self paint:oldColor.
|
|
|
418 |
s := 't:' , (tenureAge printStringLeftPaddedTo:2) , ' '.
|
|
|
419 |
s := s , ' I:' , (igcPhase printStringLeftPaddedTo:2) , ' '.
|
|
|
420 |
self displayOpaqueString:s x:0 y:y.
|
|
|
421 |
prevTenureAge := tenureAge.
|
|
|
422 |
prevIGCPhase := igcPhase.
|
|
|
423 |
].
|
|
|
424 |
|
|
|
425 |
y := y + fontHeight.
|
|
|
426 |
numWeak := ObjectMemory numberOfWeakObjects.
|
|
|
427 |
prevNumWeak ~~ numWeak ifTrue:[
|
|
|
428 |
self paint:oldColor.
|
|
|
429 |
s := 'weak: ' , (numWeak printStringLeftPaddedTo:4).
|
|
|
430 |
self displayOpaqueString:s x:0 y:y.
|
|
|
431 |
prevNumWeak := numWeak.
|
|
|
432 |
].
|
|
|
433 |
|
|
|
434 |
y := y + fontHeight.
|
|
|
435 |
numRem := ObjectMemory rememberedSetSize.
|
|
|
436 |
prevNumRem ~~ numRem ifTrue:[
|
|
|
437 |
self paint:oldColor.
|
|
|
438 |
s := 'rem: ' , (numRem printStringLeftPaddedTo:5).
|
|
|
439 |
self displayOpaqueString:s x:0 y:y.
|
|
|
440 |
prevNumRem := numRem.
|
|
|
441 |
].
|
|
|
442 |
|
|
|
443 |
y := y + fontHeight.
|
|
|
444 |
numLifoRem := ObjectMemory lifoRememberedSetSize.
|
|
|
445 |
prevNumLifoRem ~~ numLifoRem ifTrue:[
|
|
|
446 |
self paint:oldColor.
|
|
|
447 |
s := 'lrem: ' , (numLifoRem printStringLeftPaddedTo:4 ifLarger:['****']).
|
|
|
448 |
self displayOpaqueString:s x:0 y:y.
|
|
|
449 |
prevNumLifoRem := numLifoRem.
|
|
|
450 |
].
|
|
|
451 |
|
|
|
452 |
"/ does no longer make sense to show ....
|
|
|
453 |
"/ y := y + fontHeight.
|
|
|
454 |
"/ ObjectMemory runsSingleOldSpace ifTrue:[
|
|
|
455 |
"/ self displayOpaqueString:'single' x:0 y:(half + (fontHeight*4)).
|
|
|
456 |
"/ ].
|
|
|
457 |
|
|
|
458 |
y := y + fontHeight.
|
|
|
459 |
minScavengeReclamation := ObjectMemory minScavengeReclamation * 100 // ObjectMemory newSpaceSize.
|
|
|
460 |
prevMinScavengeReclamation ~~ minScavengeReclamation ifTrue:[
|
|
|
461 |
minScavengeReclamation := 100 - minScavengeReclamation asInteger.
|
|
|
462 |
s := 'minSc ', (minScavengeReclamation printStringLeftPaddedTo:3) , '%'.
|
|
|
463 |
self paint:oldColor.
|
|
|
464 |
self displayOpaqueString:s x:0 y:y.
|
|
|
465 |
prevMinScavengeReclamation := minScavengeReclamation.
|
|
|
466 |
].
|
|
|
467 |
|
|
|
468 |
y := y + fontHeight.
|
|
|
469 |
n := ObjectMemory maxInterruptLatency.
|
|
|
470 |
n notNil ifTrue:[
|
|
|
471 |
s := 'irq ', (n printStringLeftPaddedTo:3) , ' ms'.
|
|
|
472 |
] ifFalse:[
|
|
|
473 |
s := ''
|
|
|
474 |
].
|
|
|
475 |
self displayOpaqueString:s x:0 y:y.
|
|
|
476 |
|
|
|
477 |
y := y + fontHeight.
|
|
|
478 |
scavengeCount := ObjectMemory scavengeCount.
|
|
|
479 |
lastScavengeReclamation := ObjectMemory lastScavengeReclamation * 100 // ObjectMemory newSpaceSize.
|
|
|
480 |
(prevScavengeCount ~~ scavengeCount
|
|
|
481 |
or:[prevLastScavengeReclamation ~~ lastScavengeReclamation]) ifTrue:[
|
|
|
482 |
lastScavengeReclamation := 100 - lastScavengeReclamation asInteger.
|
|
|
483 |
s := (scavengeCount printStringLeftPaddedTo:6)
|
|
|
484 |
, (lastScavengeReclamation printStringLeftPaddedTo:3) , '%'.
|
|
|
485 |
self displayOpaqueString:s x:0 y:y.
|
|
|
486 |
prevLastScavengeReclamation := lastScavengeReclamation.
|
|
|
487 |
prevScavengeCount := scavengeCount.
|
|
|
488 |
].
|
|
|
489 |
|
|
|
490 |
"Created: / 7.11.1995 / 14:48:16 / cg"
|
|
|
491 |
"Modified: / 14.7.1998 / 23:35:53 / cg"
|
|
|
492 |
! !
|
|
|
493 |
|
|
|
494 |
!MemoryMonitorView methodsFor:'events'!
|
|
|
495 |
|
|
|
496 |
keyPress:key x:x y:y
|
|
|
497 |
key == $f ifTrue:[
|
|
|
498 |
"faster"
|
|
|
499 |
updateInterval := updateInterval / 2
|
|
|
500 |
].
|
|
|
501 |
key == $s ifTrue:[
|
|
|
502 |
"slower"
|
|
|
503 |
updateInterval := updateInterval * 2
|
|
|
504 |
].
|
|
|
505 |
key == $r ifTrue:[
|
|
|
506 |
"reset max"
|
|
|
507 |
maxTotal := prevTotal.
|
|
|
508 |
scale := height asFloat / (maxTotal + 100000).
|
|
|
509 |
self resetStatisticValues.
|
|
|
510 |
self redraw.
|
|
|
511 |
]
|
|
|
512 |
|
|
|
513 |
"Modified: 7.11.1995 / 17:45:13 / cg"
|
|
|
514 |
!
|
|
|
515 |
|
|
|
516 |
sizeChanged:how
|
|
|
517 |
|nn no nf delta oldSize newSize|
|
|
|
518 |
|
|
|
519 |
super sizeChanged:how.
|
|
|
520 |
|
|
|
521 |
(width == 0 or:[height == 0]) ifTrue:[
|
|
2369
|
522 |
^ self
|
|
2363
|
523 |
].
|
|
|
524 |
|
|
|
525 |
oldSize := oldData size.
|
|
|
526 |
newSize := width-org+1.
|
|
2369
|
527 |
newSize <= 0 ifTrue:[^ self].
|
|
2363
|
528 |
|
|
|
529 |
(newSize ~~ oldSize) ifTrue:[
|
|
|
530 |
nn := Array new:newSize.
|
|
|
531 |
no := Array new:newSize.
|
|
|
532 |
nf := Array new:newSize.
|
|
|
533 |
|
|
|
534 |
(newSize > oldSize) ifTrue:[
|
|
|
535 |
nn replaceFrom:1 to:oldSize with:newData.
|
|
|
536 |
no replaceFrom:1 to:oldSize with:oldData.
|
|
|
537 |
nf replaceFrom:1 to:oldSize with:freeData
|
|
|
538 |
] ifFalse:[
|
|
|
539 |
delta := (oldSize - newSize).
|
|
|
540 |
nn replaceFrom:1 with:newData startingAt:delta+1.
|
|
|
541 |
no replaceFrom:1 with:oldData startingAt:delta+1.
|
|
|
542 |
nf replaceFrom:1 with:freeData startingAt:delta+1.
|
|
|
543 |
updateIndex > newSize ifTrue:[
|
|
|
544 |
updateIndex := updateIndex - delta.
|
|
|
545 |
]
|
|
|
546 |
].
|
|
|
547 |
newData := nn.
|
|
|
548 |
oldData := no.
|
|
|
549 |
freeData := nf.
|
|
|
550 |
|
|
|
551 |
scale := height asFloat / (maxTotal + 100000).
|
|
|
552 |
].
|
|
|
553 |
self clear.
|
|
|
554 |
self redraw.
|
|
|
555 |
|
|
|
556 |
"Modified: / 7.9.1998 / 21:41:13 / cg"
|
|
|
557 |
! !
|
|
|
558 |
|
|
6297
|
559 |
!MemoryMonitorView methodsFor:'initialization & release'!
|
|
2363
|
560 |
|
|
|
561 |
destroy
|
|
|
562 |
updateBlock notNil ifTrue:[
|
|
2370
|
563 |
Processor removeTimedBlock:updateBlock.
|
|
2363
|
564 |
] ifFalse:[
|
|
2370
|
565 |
myProcess notNil ifTrue:[
|
|
|
566 |
myProcess terminate.
|
|
|
567 |
myProcess := nil
|
|
|
568 |
]
|
|
2363
|
569 |
].
|
|
|
570 |
oldData := newData := freeData := nil.
|
|
|
571 |
super destroy
|
|
|
572 |
!
|
|
|
573 |
|
|
|
574 |
initialize
|
|
|
575 |
super initialize.
|
|
|
576 |
|
|
|
577 |
drawLock := Semaphore forMutualExclusion name:'drawLock'.
|
|
|
578 |
|
|
|
579 |
updateInterval := 0.5.
|
|
|
580 |
ProcessorScheduler isPureEventDriven ifTrue:[
|
|
|
581 |
updateBlock := [self updateDisplay].
|
|
|
582 |
].
|
|
|
583 |
oldData := Array new:1000.
|
|
|
584 |
newData := Array new:1000.
|
|
|
585 |
freeData := Array new:1000.
|
|
|
586 |
|
|
|
587 |
updateIndex := 1.
|
|
|
588 |
|
|
|
589 |
self font:((Font family:'courier' face:'medium' style:'roman' size:10) onDevice:device).
|
|
|
590 |
org := font widthOf:'max 99999k '.
|
|
|
591 |
level := 0.
|
|
|
592 |
|
|
|
593 |
maxTotal := minTotal := ObjectMemory oldSpaceSize
|
|
|
594 |
+ ObjectMemory symSpaceSize
|
|
|
595 |
+ ObjectMemory newSpaceSize.
|
|
|
596 |
|
|
|
597 |
viewBackground := Black.
|
|
|
598 |
|
|
|
599 |
device hasColors ifTrue:[
|
|
|
600 |
newColor := Color orange. "/ yellow.
|
|
|
601 |
freeColor := Color green.
|
|
|
602 |
oldColor := Color white.
|
|
|
603 |
] ifFalse:[
|
|
|
604 |
newColor := Color grey:67.
|
|
|
605 |
freeColor := Color grey:33.
|
|
|
606 |
oldColor := Color white.
|
|
|
607 |
].
|
|
|
608 |
|
|
|
609 |
self model:self.
|
|
|
610 |
self menu:#memoryMenu
|
|
|
611 |
|
|
|
612 |
"
|
|
|
613 |
MemoryMonitor open
|
|
|
614 |
"
|
|
|
615 |
|
|
|
616 |
"Modified: / 27.7.1998 / 19:57:07 / cg"
|
|
|
617 |
!
|
|
|
618 |
|
|
|
619 |
memoryMenu
|
|
|
620 |
<resource: #programMenu>
|
|
|
621 |
|
|
|
622 |
|m items moreItems specialMenu|
|
|
|
623 |
|
|
|
624 |
items := #(
|
|
3173
|
625 |
('Background Collect Now' backgroundCollect)
|
|
|
626 |
('Hi Prio Incremental Collect' incrementalCollect)
|
|
2363
|
627 |
('-')
|
|
3173
|
628 |
('Scavenge' scavenge)
|
|
|
629 |
('Tenure' tenure)
|
|
2363
|
630 |
('-')
|
|
3173
|
631 |
('Cleanup Memory' cleanupMemory)
|
|
|
632 |
('Flush Method History' cleanupMethodHistory)
|
|
|
633 |
('Unload Autoloaded Classes' unloadAllAutoloadedClasses)
|
|
2363
|
634 |
('-')
|
|
3173
|
635 |
('Compress Sources' compressSources)
|
|
2363
|
636 |
).
|
|
|
637 |
|
|
|
638 |
ObjectMemory backgroundCollectorRunning ifFalse:[
|
|
|
639 |
moreItems := #(
|
|
3173
|
640 |
('Start Background Collector' restartBackgroundCollector )
|
|
2363
|
641 |
)
|
|
|
642 |
] ifTrue:[
|
|
|
643 |
(ObjectMemory backgroundCollectProcess priorityRange notNil)
|
|
|
644 |
ifTrue:[
|
|
|
645 |
moreItems := #(
|
|
3173
|
646 |
('Stop Background Collector' stopBackgroundCollector )
|
|
|
647 |
('Background Collect with Fix Priority' backgroundCollectWithFixPrio )
|
|
2363
|
648 |
)
|
|
|
649 |
] ifFalse:[
|
|
|
650 |
moreItems := #(
|
|
3173
|
651 |
('Stop Background Collector' stopBackgroundCollector )
|
|
|
652 |
('Background Collect with Dynamic Priority' backgroundCollectWithDynamicPrio )
|
|
2363
|
653 |
)
|
|
|
654 |
].
|
|
|
655 |
].
|
|
|
656 |
items := moreItems , items.
|
|
|
657 |
|
|
|
658 |
specialMenu := PopUpMenu
|
|
|
659 |
itemList:items
|
|
|
660 |
resources:resources.
|
|
|
661 |
|
|
|
662 |
device ctrlDown ifTrue:[
|
|
|
663 |
^ specialMenu
|
|
|
664 |
].
|
|
|
665 |
|
|
|
666 |
items := #(
|
|
3173
|
667 |
('Collect Garbage' collectGarbage )
|
|
|
668 |
('Collect Garbage & Symbols' collectGarbageAndSymbols )
|
|
|
669 |
('Collect Garbage & Compress' collectGarbageAndCompress )
|
|
2363
|
670 |
('-')
|
|
3173
|
671 |
('Reset Statistic Values' resetStatisticValues )
|
|
2363
|
672 |
('-')
|
|
3173
|
673 |
('Others' otherMenu Ctrl)
|
|
2363
|
674 |
).
|
|
|
675 |
|
|
|
676 |
m := PopUpMenu itemList:items resources:resources.
|
|
|
677 |
m subMenuAt:#otherMenu put:specialMenu.
|
|
|
678 |
|
|
|
679 |
^ m
|
|
|
680 |
|
|
|
681 |
"Modified: / 5.8.1998 / 15:35:14 / cg"
|
|
|
682 |
!
|
|
|
683 |
|
|
|
684 |
realize
|
|
|
685 |
super realize.
|
|
|
686 |
updateBlock notNil ifTrue:[
|
|
|
687 |
Processor addTimedBlock:updateBlock afterSeconds:updateInterval.
|
|
|
688 |
] ifFalse:[
|
|
|
689 |
myProcess := [
|
|
|
690 |
self updateProcess
|
|
3530
|
691 |
] newProcess.
|
|
|
692 |
myProcess priorityRange:(6 to:8).
|
|
2363
|
693 |
myProcess name:'monitor [' ,
|
|
4975
|
694 |
Processor activeProcessId printString ,
|
|
3530
|
695 |
'] update'.
|
|
|
696 |
myProcess restartable:true.
|
|
|
697 |
myProcess resume.
|
|
2363
|
698 |
].
|
|
|
699 |
|
|
3655
|
700 |
newColor := newColor onDevice:device.
|
|
|
701 |
freeColor := freeColor onDevice:device.
|
|
|
702 |
oldColor := oldColor onDevice:device.
|
|
2363
|
703 |
|
|
|
704 |
"Modified: / 23.9.1998 / 12:41:10 / cg"
|
|
|
705 |
!
|
|
|
706 |
|
|
|
707 |
reinitStyle
|
|
|
708 |
"ignore style changes"
|
|
|
709 |
|
|
|
710 |
"Created: / 15.9.1998 / 15:22:46 / cg"
|
|
|
711 |
! !
|
|
|
712 |
|
|
|
713 |
!MemoryMonitorView methodsFor:'menu functions'!
|
|
|
714 |
|
|
|
715 |
backgroundCollect
|
|
|
716 |
"start a background (non disturbing) incremental GC.
|
|
|
717 |
Since the GC is performed at a low priority, it may not make progress if higher
|
|
|
718 |
prio processes are running"
|
|
|
719 |
|
|
|
720 |
[
|
|
|
721 |
ObjectMemory incrementalGC
|
|
|
722 |
] forkAt:5
|
|
|
723 |
!
|
|
|
724 |
|
|
|
725 |
backgroundCollectWithDynamicPrio
|
|
|
726 |
"setup the background collector to run at dynamic priority.
|
|
|
727 |
This is a new experimental feature."
|
|
|
728 |
|
|
|
729 |
Processor isTimeSlicing ifFalse:[
|
|
|
730 |
Processor startTimeSlicing.
|
|
|
731 |
Processor supportDynamicPriorities:true
|
|
|
732 |
].
|
|
|
733 |
|
|
|
734 |
ObjectMemory backgroundCollectProcess priorityRange:(5 to:9).
|
|
|
735 |
ObjectMemory backgroundFinalizationProcess priorityRange:(5 to:9).
|
|
|
736 |
|
|
|
737 |
"Modified: / 4.8.1998 / 02:16:02 / cg"
|
|
|
738 |
!
|
|
|
739 |
|
|
|
740 |
backgroundCollectWithFixPrio
|
|
|
741 |
"setup the background collector to run at a fix priority.
|
|
|
742 |
This is the default."
|
|
|
743 |
|
|
|
744 |
ObjectMemory backgroundCollectProcess priorityRange:nil.
|
|
|
745 |
ObjectMemory backgroundFinalizationProcess priorityRange:nil.
|
|
|
746 |
|
|
|
747 |
"Modified: / 4.8.1998 / 02:00:31 / cg"
|
|
|
748 |
!
|
|
|
749 |
|
|
|
750 |
cleanupMemory
|
|
|
751 |
"let all classes release unneeded, cached
|
|
|
752 |
data ..."
|
|
|
753 |
|
|
|
754 |
ObjectMemory performLowSpaceCleanup.
|
|
|
755 |
|
|
|
756 |
"
|
|
|
757 |
then, perform a GC (incl. symbol reclamation)
|
|
|
758 |
"
|
|
|
759 |
ObjectMemory reclaimSymbols.
|
|
|
760 |
"
|
|
|
761 |
finally, compress
|
|
|
762 |
"
|
|
|
763 |
ObjectMemory tenure.
|
|
|
764 |
ObjectMemory verboseGarbageCollect.
|
|
|
765 |
|
|
|
766 |
"Modified: 26.6.1997 / 17:12:53 / cg"
|
|
|
767 |
!
|
|
|
768 |
|
|
|
769 |
cleanupMethodHistory
|
|
|
770 |
"release the oldMethod history"
|
|
|
771 |
|
|
|
772 |
(self confirm:'This removes the previous method history,
|
|
|
773 |
which is kept for all changed methods in the system.
|
|
|
774 |
After that, the browsers cannot easily switch back to a methods
|
|
|
775 |
previous version.
|
|
|
776 |
|
|
|
777 |
However, this is normally not a problem, since
|
|
|
778 |
a methods previous code should still be accessable through
|
|
|
779 |
either the changes-file, the sourceCode repository or the classes original
|
|
|
780 |
source file.
|
|
|
781 |
|
|
|
782 |
cleanup now ?') ifTrue:[
|
|
|
783 |
|
|
|
784 |
|
|
|
785 |
Class flushMethodHistory.
|
|
|
786 |
|
|
|
787 |
"
|
|
|
788 |
then, perform a GC (incl. symbol reclamation)
|
|
|
789 |
"
|
|
|
790 |
ObjectMemory reclaimSymbols.
|
|
|
791 |
"
|
|
|
792 |
finally, compress
|
|
|
793 |
"
|
|
|
794 |
ObjectMemory verboseGarbageCollect.
|
|
|
795 |
]
|
|
|
796 |
|
|
|
797 |
|
|
|
798 |
|
|
|
799 |
!
|
|
|
800 |
|
|
|
801 |
collectGarbage
|
|
|
802 |
"perform a blocking (non compressing) garbage collect"
|
|
|
803 |
|
|
|
804 |
windowGroup withWaitCursorDo:[
|
|
|
805 |
ObjectMemory tenure.
|
|
|
806 |
ObjectMemory markAndSweep
|
|
|
807 |
]
|
|
|
808 |
|
|
|
809 |
"Modified: 30.7.1997 / 21:19:35 / cg"
|
|
|
810 |
!
|
|
|
811 |
|
|
|
812 |
collectGarbageAndCompress
|
|
|
813 |
"perform a blocking compressing garbage collect."
|
|
|
814 |
|
|
|
815 |
windowGroup withWaitCursorDo:[
|
|
|
816 |
ObjectMemory tenure.
|
|
|
817 |
ObjectMemory verboseGarbageCollect
|
|
|
818 |
]
|
|
|
819 |
|
|
|
820 |
"Modified: 30.7.1997 / 21:19:47 / cg"
|
|
|
821 |
!
|
|
|
822 |
|
|
|
823 |
collectGarbageAndSymbols
|
|
|
824 |
"perform a blocking (non compressing) garbage collect
|
|
|
825 |
and reclaim unreferenced symbols."
|
|
|
826 |
|
|
|
827 |
windowGroup withWaitCursorDo:[
|
|
|
828 |
ObjectMemory tenure.
|
|
|
829 |
ObjectMemory reclaimSymbols
|
|
|
830 |
]
|
|
|
831 |
|
|
|
832 |
"Modified: 30.7.1997 / 21:19:41 / cg"
|
|
|
833 |
!
|
|
|
834 |
|
|
|
835 |
compressSources
|
|
|
836 |
(self confirm:'This saves all in-memory source strings into a file
|
|
|
837 |
and makes methods reference these (file-) strings,
|
|
|
838 |
freeing all in-memory sources.
|
|
|
839 |
|
|
|
840 |
If that source file is ever lost or gets out of sync with
|
|
|
841 |
your system, those method sources are lost and the browser
|
|
|
842 |
will show garbage.
|
|
|
843 |
However, you still have a change file as backup.
|
|
|
844 |
|
|
|
845 |
(Be especially careful, if you move images around:
|
|
|
846 |
the source file must then be the correct one for that image)
|
|
|
847 |
|
|
|
848 |
A compress is only useful, if you added many methods
|
|
|
849 |
and the systems response time suffers from paging.
|
|
|
850 |
|
|
|
851 |
Compress anyway ?') ifTrue:[
|
|
|
852 |
windowGroup withWaitCursorDo:[
|
|
|
853 |
Smalltalk compressSources.
|
|
|
854 |
ObjectMemory markAndSweep
|
|
|
855 |
]
|
|
|
856 |
]
|
|
|
857 |
|
|
|
858 |
"Modified: 9.2.1996 / 18:17:22 / cg"
|
|
|
859 |
!
|
|
|
860 |
|
|
|
861 |
incrementalCollect
|
|
|
862 |
"start an incremental GC which does not disturb too much, but is guaranteed to
|
|
|
863 |
make progress.
|
|
|
864 |
This is done by doing the IGC at a very high priority, but giving up the CPU after
|
|
|
865 |
every step. Due to the long delays, this may take a while to finish.
|
|
|
866 |
Notice, that this is different from doing a background collect: that one
|
|
|
867 |
may not make any progress if higher prio processes are runnable."
|
|
|
868 |
|
|
|
869 |
|done delay|
|
|
|
870 |
|
|
|
871 |
[
|
|
|
872 |
done := false.
|
|
|
873 |
delay := Delay new.
|
|
|
874 |
[done] whileFalse:[
|
|
|
875 |
10 timesRepeat:[
|
|
|
876 |
done ifFalse:[done := ObjectMemory gcStep].
|
|
|
877 |
].
|
|
|
878 |
(delay delay:10) wait
|
|
|
879 |
]
|
|
|
880 |
] forkAt:Processor highestPriority
|
|
|
881 |
|
|
|
882 |
"Modified: 23.12.1995 / 17:31:55 / cg"
|
|
|
883 |
!
|
|
|
884 |
|
|
|
885 |
resetStatisticValues
|
|
|
886 |
ObjectMemory resetMaxInterruptLatency.
|
|
|
887 |
ObjectMemory resetMinScavengeReclamation.
|
|
|
888 |
|
|
|
889 |
"Created: 7.11.1995 / 17:44:59 / cg"
|
|
|
890 |
!
|
|
|
891 |
|
|
|
892 |
restartBackgroundCollector
|
|
|
893 |
"(re)start a background (non disturbing) incremental GC.
|
|
|
894 |
Since the GC is performed at a low priority, it may not make progress if higher
|
|
|
895 |
prio processes are running"
|
|
|
896 |
|
|
|
897 |
ObjectMemory backgroundCollectorRunning
|
|
|
898 |
ifFalse:[
|
|
|
899 |
ObjectMemory startBackgroundCollectorAt:5.
|
|
|
900 |
ObjectMemory startBackgroundFinalizationAt:5
|
|
|
901 |
]
|
|
|
902 |
|
|
|
903 |
"Created: / 21.1.1997 / 00:09:30 / cg"
|
|
|
904 |
"Modified: / 5.8.1998 / 14:30:17 / cg"
|
|
|
905 |
!
|
|
|
906 |
|
|
|
907 |
scavenge
|
|
|
908 |
"perform a blocking newspace garbage collect.
|
|
|
909 |
(this is for debugging only - the system does this automatically)"
|
|
|
910 |
|
|
|
911 |
ObjectMemory scavenge
|
|
|
912 |
!
|
|
|
913 |
|
|
|
914 |
stopBackgroundCollector
|
|
|
915 |
"stop the background (non disturbing) incremental GC.
|
|
|
916 |
We do not recommend this - but maybe useful for debugging and
|
|
|
917 |
evaluating the programs behavior in heavy-load situations
|
|
|
918 |
(background collector cannot keep up with the allocation rate)"
|
|
|
919 |
|
|
|
920 |
ObjectMemory stopBackgroundCollector.
|
|
|
921 |
ObjectMemory stopBackgroundFinalization
|
|
|
922 |
|
|
|
923 |
"Created: / 5.8.1998 / 14:29:40 / cg"
|
|
|
924 |
!
|
|
|
925 |
|
|
|
926 |
tenure
|
|
|
927 |
"empty the newSpace, by aging all new objects immediately and transfering them
|
|
|
928 |
into oldSpace.
|
|
|
929 |
(this is for debugging only - the system does this automatically)"
|
|
|
930 |
|
|
|
931 |
ObjectMemory tenure
|
|
|
932 |
!
|
|
|
933 |
|
|
|
934 |
unloadAllAutoloadedClasses
|
|
|
935 |
"unload all classes which were autoloaded and have no instances"
|
|
|
936 |
|
|
|
937 |
Autoload loadedClasses copy do:[:anAutoloadedClass |
|
|
|
938 |
anAutoloadedClass hasInstances ifFalse:[
|
|
|
939 |
anAutoloadedClass unload
|
|
|
940 |
]
|
|
|
941 |
].
|
|
|
942 |
|
|
|
943 |
"Created: 27.6.1997 / 14:21:45 / cg"
|
|
|
944 |
"Modified: 27.6.1997 / 14:22:47 / cg"
|
|
|
945 |
! !
|
|
|
946 |
|
|
|
947 |
!MemoryMonitorView methodsFor:'private'!
|
|
|
948 |
|
|
|
949 |
updateProcess
|
|
|
950 |
[true] whileTrue:[
|
|
|
951 |
Delay waitForSeconds:updateInterval.
|
|
|
952 |
self updateDisplay
|
|
|
953 |
]
|
|
|
954 |
|
|
|
955 |
"Modified: / 23.9.1998 / 12:40:31 / cg"
|
|
|
956 |
! !
|
|
|
957 |
|
|
|
958 |
!MemoryMonitorView class methodsFor:'documentation'!
|
|
|
959 |
|
|
|
960 |
version
|
|
6297
|
961 |
^ '$Header: /cvs/stx/stx/libtool/MemoryMonitorView.st,v 1.9 2005-05-11 09:26:56 cg Exp $'
|
|
2363
|
962 |
! !
|