author | Claus Gittinger <cg@exept.de> |
Wed, 15 Jul 1998 13:01:02 +0200 | |
changeset 1721 | 4d19c61fa688 |
parent 1619 | 6e4b1930841a |
child 1756 | 3cf323b3b704 |
permissions | -rw-r--r-- |
45 | 1 |
" |
49 | 2 |
COPYRIGHT (c) 1991 by Claus Gittinger |
45 | 3 |
All Rights Reserved |
4 |
||
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
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11 |
" |
|
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|
13 |
StandardSystemView subclass:#MemoryMonitor |
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311 | 14 |
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:'' |
21 |
poolDictionaries:'' |
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1053 | 22 |
category:'Monitors-ST/X' |
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! |
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||
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!MemoryMonitor class methodsFor:'documentation'! |
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copyright |
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28 |
" |
|
29 |
COPYRIGHT (c) 1991 by Claus Gittinger |
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All Rights Reserved |
|
31 |
||
32 |
This software is furnished under a license and may be used |
|
33 |
only in accordance with the terms of that license and with the |
|
34 |
inclusion of the above copyright notice. This software may not |
|
35 |
be provided or otherwise made available to, or used by, any |
|
36 |
other person. No title to or ownership of the software is |
|
37 |
hereby transferred. |
|
38 |
" |
|
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! |
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||
41 |
documentation |
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42 |
" |
|
43 |
Shows memory usage (oldspace + newspace). Simple, but useful. |
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44 |
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45 |
The numbers shown are: |
|
512 | 46 |
tot total memory usage (i.e. allocated oldSpace + allocated newSpace) |
47 |
(does not include the second semispace and other help-areas, |
|
48 |
such as the remembered set etc.) |
|
49 | 49 |
|
512 | 50 |
all current oldSpace in use + newSpace in use |
49 | 51 |
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512 | 52 |
new current newSpace in use |
49 | 53 |
|
512 | 54 |
frl free space in (fragmented) free lists |
55 |
fre compact free area above the used oldSpace |
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49 | 56 |
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512 | 57 |
old current oldSpace in use |
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cod dynamic compiled code space size (just in time compiler) |
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512 | 61 |
max, extreme values of 'tot' since the monitor started |
62 |
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) |
49 | 67 |
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512 | 68 |
weak number of weak objects |
109 | 69 |
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512 | 70 |
rem size of rememberedSet |
108 | 71 |
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512 | 72 |
minsc: percent of newspace remaining after scavenge (worst case) |
73 |
(i.e. the minimum %% of scavenged objects) |
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108 | 74 |
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512 | 75 |
count number of scavenges since system started |
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512 | 77 |
% percentage of live objects in newSpace after last scavenge |
78 |
(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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52 | 80 |
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49 | 81 |
the graphic shows: |
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orange newSpace used |
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green free memory in freeLists |
84 |
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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[see also:] |
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ObjectMemory |
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MemoryUsageMonitor ProcessMonitor |
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" |
97 |
! ! |
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98 |
||
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!MemoryMonitor class methodsFor:'defaults'! |
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defaultExtent |
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^ (200 @ 320) |
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"Modified: 24.8.1996 / 12:04:21 / cg" |
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! |
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52 | 107 |
defaultIcon |
108 |
|i| |
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19 | 109 |
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93 | 110 |
i := Image fromFile:'MemMonitor.xbm'. |
52 | 111 |
i notNil ifTrue:[^ i]. |
112 |
^ super defaultIcon |
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! |
114 |
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115 |
defaultLabel |
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116 |
^ 'Memory Monitor' |
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! ! |
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!MemoryMonitor class methodsFor:'startup'! |
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isVisualStartable |
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"returns whether this application class can be started via #open |
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(i.e. via a double click on the class in the browser)" |
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^ true |
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"Created: / 15.7.1998 / 12:59:58 / cg" |
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! ! |
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!MemoryMonitor methodsFor:'destroying'! |
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132 |
destroy |
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133 |
updateBlock notNil ifTrue:[ |
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Processor removeTimedBlock:updateBlock. |
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] ifFalse:[ |
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myProcess terminate. |
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myProcess := nil |
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]. |
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oldData := newData := freeData := nil. |
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140 |
super destroy |
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19 | 141 |
! ! |
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||
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!MemoryMonitor methodsFor:'drawing'! |
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144 |
||
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displayKilo:aNumber name:nm y:y |
146 |
|s| |
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147 |
||
148 |
s := nm , ((aNumber // 1024) printStringLeftPaddedTo:5) , 'k '. |
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149 |
self displayOpaqueString:s x:0 y:y. |
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150 |
||
151 |
! |
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152 |
||
311 | 153 |
redraw |
154 |
"redraw all" |
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49 | 155 |
|
311 | 156 |
self clear. |
157 |
self redrawX:0 y:0 width:width height:height |
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49 | 158 |
! |
159 |
||
160 |
redrawX:x y:y width:w height:h |
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"redraw data" |
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162 |
||
107 | 163 |
|total oldSpaceUsed newSpaceUsed freeMem lx startIdx endIdx |
52 | 164 |
right| |
49 | 165 |
|
166 |
shown ifFalse:[^ self]. |
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167 |
||
52 | 168 |
right := x + w - 1. |
169 |
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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182 |
]. |
49 | 183 |
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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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187 |
]. |
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dX := 0. |
49 | 189 |
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startIdx to:endIdx do:[:i | |
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191 |
newSpaceUsed := newData at:i. |
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192 |
newSpaceUsed notNil ifTrue:[ |
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193 |
oldSpaceUsed := oldData at:i. |
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freeMem := freeData at:i. |
49 | 195 |
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self updateLineX:lx - dX |
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197 |
total:total |
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198 |
old:oldSpaceUsed |
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199 |
new:newSpaceUsed |
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200 |
free:freeMem. |
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201 |
]. |
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202 |
lx := lx + 1 |
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203 |
] |
49 | 204 |
]. |
205 |
||
206 |
x < org ifTrue:[ |
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207 |
"/ force redraw. |
49 | 208 |
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209 |
prevFree := prevFree2 := prevOld := prevTotal := nil. |
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210 |
prevMemUsed := prevCodeUsed := prevNumWeak := prevNumRem := nil. |
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211 |
prevNumLifoRem := prevTenureAge := prevIGCPhase := nil. |
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212 |
prevLastScavengeReclamation := prevMinScavengeReclamation := nil. |
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213 |
prevScavengeCount := nil. |
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214 |
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215 |
self updateNumbers. |
49 | 216 |
] |
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218 |
"Modified: / 14.7.1998 / 23:33:47 / cg" |
49 | 219 |
! |
220 |
||
311 | 221 |
updateDisplay |
222 |
"update picture; trigger next update" |
|
223 |
||
224 |
|total oldSpaceUsed newSpaceUsed freeMem oldSpaceSize |
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225 |
gWidth shift scaleChange margin| |
311 | 226 |
|
227 |
shown ifTrue:[ |
|
989 | 228 |
drawLock wouldBlock ifFalse:[ |
229 |
drawLock critical:[ |
|
230 |
oldSpaceUsed := ObjectMemory oldSpaceUsed + ObjectMemory symSpaceUsed. |
|
231 |
newSpaceUsed := ObjectMemory newSpaceUsed. |
|
232 |
freeMem := ObjectMemory freeListSpace + (ObjectMemory oldSpaceSize - ObjectMemory oldSpaceUsed). |
|
233 |
oldSpaceSize := ObjectMemory oldSpaceSize + ObjectMemory symSpaceSize. |
|
234 |
total := oldSpaceSize + ObjectMemory newSpaceSize. |
|
311 | 235 |
|
989 | 236 |
scaleChange := false. |
311 | 237 |
|
989 | 238 |
((total - freeMem) < minTotal) ifTrue:[ |
239 |
minTotal := total - freeMem. |
|
240 |
scaleChange := true |
|
241 |
]. |
|
242 |
(total > maxTotal) ifTrue:[ |
|
243 |
maxTotal := total. |
|
244 |
scaleChange := true |
|
245 |
]. |
|
311 | 246 |
|
989 | 247 |
oldData at:updateIndex put:oldSpaceSize. "/ oldSpaceUsed. |
248 |
newData at:updateIndex put:newSpaceUsed. |
|
249 |
freeData at:updateIndex put:freeMem. |
|
250 |
updateIndex := updateIndex + 1. |
|
311 | 251 |
|
989 | 252 |
scaleChange ifTrue:[ |
253 |
scale := height asFloat / (maxTotal + 100000). |
|
254 |
self redraw |
|
255 |
]. |
|
311 | 256 |
|
989 | 257 |
gWidth := width - org. |
258 |
margin := 1. |
|
259 |
||
260 |
((updateIndex-1) >= (gWidth - margin)) ifTrue:[ |
|
261 |
"on slow displays, use:" |
|
262 |
"/ shift := gWidth // 4. |
|
311 | 263 |
|
989 | 264 |
"for smooth display, use:" |
265 |
shift := 1. |
|
311 | 266 |
|
989 | 267 |
oldData replaceFrom:1 with:oldData startingAt:shift+1. |
268 |
newData replaceFrom:1 with:newData startingAt:shift+1. |
|
269 |
freeData replaceFrom:1 with:freeData startingAt:shift+1. |
|
311 | 270 |
|
989 | 271 |
updateIndex := updateIndex - shift. |
272 |
dX := dX + shift. |
|
311 | 273 |
|
989 | 274 |
self copyFrom:self |
275 |
x:(org + shift) y:0 |
|
276 |
toX:org y:0 |
|
277 |
width:(gWidth - shift - margin) |
|
278 |
height:height. |
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279 |
|
989 | 280 |
self clearRectangleX:(width - margin - shift) y:0 |
281 |
width:shift height:height. |
|
282 |
]. |
|
311 | 283 |
|
989 | 284 |
self updateLineX:(updateIndex - 1 + org - 1) |
285 |
total:total |
|
286 |
old:oldSpaceSize "/ oldSpaceUsed |
|
287 |
new:newSpaceUsed |
|
288 |
free:freeMem. |
|
311 | 289 |
|
989 | 290 |
self updateNumbers. |
291 |
self flush. |
|
292 |
]. |
|
293 |
]. |
|
311 | 294 |
]. |
295 |
||
296 |
updateBlock notNil ifTrue:[ |
|
297 |
Processor addTimedBlock:updateBlock afterSeconds:updateInterval |
|
298 |
]. |
|
299 |
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300 |
"Modified: 29.1.1997 / 13:32:31 / cg" |
311 | 301 |
! |
302 |
||
109 | 303 |
updateLineX:x total:total old:oldSpaceSize new:newSpaceUsed free:freeMem |
304 |
|hNew hOld hFree y1 y2 y3| |
|
49 | 305 |
|
306 |
hNew := (newSpaceUsed * scale) asInteger. |
|
109 | 307 |
hOld := (oldSpaceSize * scale) // 2. |
308 |
hFree := (freeMem * scale) // 2. |
|
49 | 309 |
|
310 |
y1 := height - 1. |
|
109 | 311 |
|
49 | 312 |
y2 := y1 - hOld. |
313 |
self paint:oldColor. |
|
314 |
self displayLineFromX:x y:y1 toX:x y:y2. |
|
315 |
||
109 | 316 |
y3 := y1 - hFree. |
49 | 317 |
self paint:freeColor. |
109 | 318 |
self displayLineFromX:x y:y1 toX:x y:y3. |
49 | 319 |
|
109 | 320 |
y1 := y2 - hNew. |
49 | 321 |
self paint:newColor. |
322 |
self displayLineFromX:x y:y1 toX:x y:y2. |
|
323 |
! |
|
324 |
||
325 |
updateNumbers |
|
326 |
"redraw numbers. |
|
327 |
The values shown are: |
|
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328 |
max: maximum memory used since monitor started |
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|
329 |
min: minimum memory used since monitor started |
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|
330 |
tot: total memory used (overall oldSpace + overall newSpace) |
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331 |
all: current memory in use (oldSpace + newSpace) |
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332 |
new: current newSpace in use |
735 | 333 |
fre: current size of freelist in oldSpace |
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334 |
old: current oldSpace in use |
735 | 335 |
code: current just-in-time compiled code cache size |
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336 |
t: current tenure age |
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|
337 |
I: IGC state |
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338 |
weak: number of weak arrays in the system |
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339 |
rem remembered set size |
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|
340 |
lrem lifo remembered set size |
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|
341 |
minsc: percent of newspace remaining after scavenge (worst case) |
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|
342 |
irq: max. interrupt delay |
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|
343 |
count of scavenges / last scavenge survivor rate |
156 | 344 |
|
49 | 345 |
" |
346 |
||
347 |
|oldSpaceSize newSpaceSize memUsed oldMemUsed newMemUsed freeMem free2 |
|
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348 |
codeUsed numWeak numRem numLifoRem tenureAge igcPhase |
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349 |
minScavengeReclamation lastScavengeReclamation scavengeCount |
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350 |
y half s fontHeight fontDescent total n| |
49 | 351 |
|
91 | 352 |
oldMemUsed := ObjectMemory oldSpaceUsed + ObjectMemory symSpaceUsed. |
49 | 353 |
newMemUsed := ObjectMemory newSpaceUsed. |
354 |
freeMem := ObjectMemory freeListSpace. |
|
91 | 355 |
oldSpaceSize := ObjectMemory oldSpaceSize + ObjectMemory symSpaceSize. |
49 | 356 |
newSpaceSize := ObjectMemory newSpaceSize. |
357 |
||
358 |
memUsed := oldMemUsed + newMemUsed "- freeMem". |
|
359 |
total := oldSpaceSize + newSpaceSize. |
|
68 | 360 |
free2 := ObjectMemory freeSpace. |
49 | 361 |
|
362 |
self paint:White on:Black. |
|
363 |
||
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364 |
fontDescent := font descent. |
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|
365 |
fontHeight := font height + fontDescent. |
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|
366 |
half := height // 2 + fontDescent. |
49 | 367 |
|
109 | 368 |
y := half - (fontHeight * 5). |
49 | 369 |
|
370 |
total ~~ prevTotal ifTrue:[ |
|
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371 |
((total - freeMem) < minTotal) ifTrue:[ |
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372 |
minTotal := total - freeMem. |
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|
373 |
]. |
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|
374 |
(total > maxTotal) ifTrue:[ |
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|
375 |
maxTotal := total. |
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|
376 |
]. |
52 | 377 |
|
798 | 378 |
self displayKilo:maxTotal name:'max ' y:font ascent. |
379 |
self displayKilo:minTotal name:'min ' y:(height - font descent). |
|
380 |
self displayKilo:total name:'tot ' y:y. |
|
52 | 381 |
|
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|
382 |
prevTotal := total. |
49 | 383 |
]. |
384 |
||
385 |
y := y + fontHeight. |
|
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|
386 |
memUsed ~~ prevMemUsed ifTrue:[ |
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|
387 |
self displayKilo:memUsed name:'all ' y:y. |
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|
388 |
prevMemUsed := memUsed. |
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|
389 |
]. |
49 | 390 |
|
391 |
y := y + fontHeight. |
|
392 |
self paint:newColor. |
|
798 | 393 |
self displayKilo:newMemUsed name:'new ' y:y. |
49 | 394 |
|
395 |
y := y + fontHeight. |
|
396 |
freeMem ~~ prevFree ifTrue:[ |
|
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|
397 |
self paint:freeColor. |
798 | 398 |
self displayKilo:freeMem name:'frl ' y:y. |
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|
399 |
prevFree := freeMem. |
49 | 400 |
]. |
401 |
||
402 |
y := y + fontHeight. |
|
403 |
free2 ~~ prevFree2 ifTrue:[ |
|
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|
404 |
self paint:freeColor. |
798 | 405 |
self displayKilo:free2 name:'fre ' y:y. |
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|
406 |
prevFree2 := free2. |
49 | 407 |
]. |
408 |
||
409 |
y := y + fontHeight. |
|
410 |
(oldMemUsed - freeMem) ~~ prevOld ifTrue:[ |
|
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|
411 |
self paint:oldColor. |
798 | 412 |
self displayKilo:(oldMemUsed - freeMem) name:'old ' y:y. |
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|
413 |
prevOld := (oldMemUsed - freeMem). |
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|
414 |
]. |
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|
415 |
|
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|
416 |
y := y + fontHeight. |
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|
417 |
ObjectMemory supportsJustInTimeCompilation ifTrue:[ |
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|
418 |
codeUsed := ObjectMemory compiledCodeSpaceUsed. |
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|
419 |
prevCodeUsed ~~ codeUsed ifTrue:[ |
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|
420 |
self paint:oldColor. |
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|
421 |
codeUsed > 9999 ifTrue:[ |
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|
422 |
s := 'code ' , ((codeUsed // 1024) printStringLeftPaddedTo:4) , 'k'. |
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|
423 |
] ifFalse:[ |
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|
424 |
s := 'code ' , (codeUsed printStringLeftPaddedTo:4) , ' '. |
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|
425 |
]. |
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|
426 |
self displayOpaqueString:s x:0 y:y. |
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|
427 |
prevCodeUsed := codeUsed. |
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|
428 |
] |
49 | 429 |
]. |
430 |
||
431 |
" |
|
303
1d94813f1977
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Claus Gittinger <cg@exept.de>
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168
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|
432 |
the following is internal - normally only interesting when debugging the VM |
49 | 433 |
" |
434 |
y := y + fontHeight. |
|
1721
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|
435 |
tenureAge := ObjectMemory tenureAge. |
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|
436 |
igcPhase := ObjectMemory incrementalGCPhase. |
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|
437 |
(prevTenureAge ~~ tenureAge |
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|
438 |
or:[prevIGCPhase ~~ igcPhase]) ifTrue:[ |
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|
439 |
self paint:oldColor. |
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|
440 |
s := 't:' , (tenureAge printStringLeftPaddedTo:2) , ' '. |
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|
441 |
s := s , ' I:' , (igcPhase printStringLeftPaddedTo:2) , ' '. |
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|
442 |
self displayOpaqueString:s x:0 y:y. |
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|
443 |
prevTenureAge := tenureAge. |
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|
444 |
prevIGCPhase := igcPhase. |
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|
445 |
]. |
108 | 446 |
|
447 |
y := y + fontHeight. |
|
1721
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changeset
|
448 |
numWeak := ObjectMemory numberOfWeakObjects. |
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changeset
|
449 |
prevNumWeak ~~ numWeak ifTrue:[ |
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|
450 |
self paint:oldColor. |
4d19c61fa688
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changeset
|
451 |
s := 'weak: ' , (numWeak printStringLeftPaddedTo:4). |
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|
452 |
self displayOpaqueString:s x:0 y:y. |
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changeset
|
453 |
prevNumWeak := numWeak. |
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changeset
|
454 |
]. |
109 | 455 |
|
456 |
y := y + fontHeight. |
|
1721
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|
457 |
numRem := ObjectMemory rememberedSetSize. |
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changeset
|
458 |
prevNumRem ~~ numRem ifTrue:[ |
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Claus Gittinger <cg@exept.de>
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|
459 |
self paint:oldColor. |
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changeset
|
460 |
s := 'rem: ' , (numRem printStringLeftPaddedTo:5). |
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|
461 |
self displayOpaqueString:s x:0 y:y. |
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changeset
|
462 |
prevNumRem := numRem. |
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changeset
|
463 |
]. |
49 | 464 |
|
109 | 465 |
y := y + fontHeight. |
1721
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|
466 |
numLifoRem := ObjectMemory lifoRememberedSetSize. |
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changeset
|
467 |
prevNumLifoRem ~~ numLifoRem ifTrue:[ |
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changeset
|
468 |
self paint:oldColor. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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changeset
|
469 |
s := 'lrem: ' , (numLifoRem printStringLeftPaddedTo:4 ifLarger:['****']). |
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Claus Gittinger <cg@exept.de>
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changeset
|
470 |
self displayOpaqueString:s x:0 y:y. |
4d19c61fa688
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changeset
|
471 |
prevNumLifoRem := numLifoRem. |
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Claus Gittinger <cg@exept.de>
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changeset
|
472 |
]. |
109 | 473 |
|
49 | 474 |
"/ does no longer make sense to show .... |
475 |
"/ y := y + fontHeight. |
|
476 |
"/ ObjectMemory runsSingleOldSpace ifTrue:[ |
|
477 |
"/ self displayOpaqueString:'single' x:0 y:(half + (fontHeight*4)). |
|
478 |
"/ ]. |
|
479 |
||
52 | 480 |
y := y + fontHeight. |
1721
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Claus Gittinger <cg@exept.de>
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changeset
|
481 |
minScavengeReclamation := ObjectMemory minScavengeReclamation * 100 // ObjectMemory newSpaceSize. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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1619
diff
changeset
|
482 |
prevMinScavengeReclamation ~~ minScavengeReclamation ifTrue:[ |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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changeset
|
483 |
minScavengeReclamation := 100 - minScavengeReclamation asInteger. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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changeset
|
484 |
s := 'minSc ', (minScavengeReclamation printStringLeftPaddedTo:3) , '%'. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
485 |
self paint:oldColor. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
486 |
self displayOpaqueString:s x:0 y:y. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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changeset
|
487 |
prevMinScavengeReclamation := minScavengeReclamation. |
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avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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changeset
|
488 |
]. |
108 | 489 |
|
490 |
y := y + fontHeight. |
|
157 | 491 |
n := ObjectMemory maxInterruptLatency. |
156 | 492 |
n notNil ifTrue:[ |
696
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changeset
|
493 |
s := 'irq ', (n printStringLeftPaddedTo:3) , ' ms'. |
156 | 494 |
] ifFalse:[ |
696
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changeset
|
495 |
s := '' |
156 | 496 |
]. |
497 |
self displayOpaqueString:s x:0 y:y. |
|
498 |
||
499 |
y := y + fontHeight. |
|
1721
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changeset
|
500 |
scavengeCount := ObjectMemory scavengeCount. |
4d19c61fa688
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Claus Gittinger <cg@exept.de>
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changeset
|
501 |
lastScavengeReclamation := ObjectMemory lastScavengeReclamation * 100 // ObjectMemory newSpaceSize. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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changeset
|
502 |
(prevScavengeCount ~~ scavengeCount |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
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diff
changeset
|
503 |
or:[prevLastScavengeReclamation ~~ lastScavengeReclamation]) ifTrue:[ |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
504 |
lastScavengeReclamation := 100 - lastScavengeReclamation asInteger. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
505 |
s := (scavengeCount printStringLeftPaddedTo:6) |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
506 |
, (lastScavengeReclamation printStringLeftPaddedTo:3) , '%'. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
507 |
self displayOpaqueString:s x:0 y:y. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
508 |
prevLastScavengeReclamation := lastScavengeReclamation. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
509 |
prevScavengeCount := scavengeCount. |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
510 |
]. |
156 | 511 |
|
1721
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
512 |
"Created: / 7.11.1995 / 14:48:16 / cg" |
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
513 |
"Modified: / 14.7.1998 / 23:35:53 / cg" |
19 | 514 |
! ! |
515 |
||
516 |
!MemoryMonitor methodsFor:'events'! |
|
517 |
||
311 | 518 |
keyPress:key x:x y:y |
519 |
key == $f ifTrue:[ |
|
520 |
"faster" |
|
521 |
updateInterval := updateInterval / 2 |
|
522 |
]. |
|
523 |
key == $s ifTrue:[ |
|
524 |
"slower" |
|
525 |
updateInterval := updateInterval * 2 |
|
526 |
]. |
|
527 |
key == $r ifTrue:[ |
|
528 |
"reset max" |
|
529 |
maxTotal := prevTotal. |
|
530 |
scale := height asFloat / (maxTotal + 100000). |
|
531 |
self resetStatisticValues. |
|
532 |
self redraw. |
|
533 |
] |
|
534 |
||
535 |
"Modified: 7.11.1995 / 17:45:13 / cg" |
|
536 |
! |
|
537 |
||
49 | 538 |
sizeChanged:how |
539 |
|nn no nf delta oldSize newSize| |
|
540 |
||
541 |
super sizeChanged:how. |
|
19 | 542 |
|
45 | 543 |
oldSize := oldData size. |
49 | 544 |
newSize := width-org+1. |
545 |
||
168
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
546 |
(newSize ~~ oldSize) ifTrue:[ |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
547 |
nn := Array new:newSize. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
548 |
no := Array new:newSize. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
549 |
nf := Array new:newSize. |
45 | 550 |
|
168
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
551 |
(newSize > oldSize) ifTrue:[ |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
552 |
nn replaceFrom:1 to:oldSize with:newData. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
553 |
no replaceFrom:1 to:oldSize with:oldData. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
554 |
nf replaceFrom:1 to:oldSize with:freeData |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
555 |
] ifFalse:[ |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
556 |
delta := (oldSize - newSize). |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
557 |
nn replaceFrom:1 with:newData startingAt:delta+1. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
558 |
no replaceFrom:1 with:oldData startingAt:delta+1. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
559 |
nf replaceFrom:1 with:freeData startingAt:delta+1. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
560 |
updateIndex > newSize ifTrue:[ |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
561 |
updateIndex := updateIndex - delta. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
562 |
] |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
563 |
]. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
564 |
newData := nn. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
565 |
oldData := no. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
566 |
freeData := nf. |
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
567 |
|
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
568 |
scale := height asFloat / (maxTotal + 100000). |
19 | 569 |
]. |
52 | 570 |
self clear. |
168
0ca5ca046b22
Redraw text on vertical window size changes.
Stefan Vogel <sv@exept.de>
parents:
165
diff
changeset
|
571 |
self redraw. |
19 | 572 |
! ! |
45 | 573 |
|
574 |
!MemoryMonitor methodsFor:'initialization'! |
|
575 |
||
311 | 576 |
initialize |
577 |
super initialize. |
|
578 |
||
994 | 579 |
drawLock := Semaphore forMutualExclusion name:'drawLock'. |
989 | 580 |
|
311 | 581 |
updateInterval := 0.5. |
582 |
ProcessorScheduler isPureEventDriven ifTrue:[ |
|
989 | 583 |
updateBlock := [self updateDisplay]. |
311 | 584 |
]. |
585 |
oldData := Array new:1000. |
|
586 |
newData := Array new:1000. |
|
587 |
freeData := Array new:1000. |
|
588 |
||
589 |
updateIndex := 1. |
|
590 |
org := font widthOf:'max 99999k'. |
|
591 |
level := 0. |
|
592 |
||
593 |
maxTotal := minTotal := ObjectMemory oldSpaceSize |
|
989 | 594 |
+ ObjectMemory symSpaceSize |
595 |
+ ObjectMemory newSpaceSize. |
|
311 | 596 |
|
597 |
viewBackground := Black. |
|
598 |
||
599 |
device hasColors ifTrue:[ |
|
989 | 600 |
newColor := Color orange. "/ yellow. |
601 |
freeColor := Color green. |
|
602 |
oldColor := Color white. |
|
311 | 603 |
] ifFalse:[ |
989 | 604 |
newColor := Color grey:67. |
605 |
freeColor := Color grey:33. |
|
606 |
oldColor := Color white. |
|
311 | 607 |
]. |
608 |
||
609 |
self font:(Font family:'courier' face:'medium' style:'roman' size:10). |
|
610 |
||
611 |
self model:self. |
|
612 |
self menu:#memoryMenu |
|
613 |
||
614 |
" |
|
615 |
MemoryMonitor open |
|
616 |
" |
|
989 | 617 |
|
618 |
"Modified: 23.1.1997 / 22:37:06 / cg" |
|
311 | 619 |
! |
620 |
||
85 | 621 |
memoryMenu |
1619
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
622 |
|m specialMenu items| |
323 | 623 |
|
624 |
specialMenu := PopUpMenu |
|
1619
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
625 |
itemList:#( |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
626 |
('scavenge' scavenge) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
627 |
('tenure' tenure) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
628 |
('hi prio incremental collect' incrementalCollect) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
629 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
630 |
('cleanup memory' cleanupMemory) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
631 |
('flush method history' cleanupMethodHistory) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
632 |
('unload autoloaded classes' unloadAllAutoloadedClasses) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
633 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
634 |
('compress sources' compressSources) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
635 |
) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
636 |
resources:resources. |
85 | 637 |
|
105 | 638 |
device ctrlDown ifTrue:[ |
323 | 639 |
^ specialMenu |
105 | 640 |
]. |
85 | 641 |
|
972 | 642 |
ObjectMemory backgroundCollectorRunning ifFalse:[ |
1619
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
643 |
items := #( |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
644 |
('collect garbage' garbageCollect ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
645 |
('collect garbage & symbols' garbageCollectAndSymbols ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
646 |
('collect garbage & compress' compressingGarbageCollect ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
647 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
648 |
('background collect now' backgroundCollect ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
649 |
('start background collector' restartBackgroundCollector ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
650 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
651 |
('reset statistic values' resetStatisticValues ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
652 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
653 |
('others' otherMenu Ctrl) |
972 | 654 |
). |
323 | 655 |
|
972 | 656 |
] ifTrue:[ |
1619
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
657 |
items := #( |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
658 |
('collect garbage' garbageCollect ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
659 |
('collect garbage & symbols' garbageCollectAndSymbols ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
660 |
('collect garbage & compress' compressingGarbageCollect ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
661 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
662 |
('background collect now' backgroundCollect ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
663 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
664 |
('reset statistic values' resetStatisticValues ) |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
665 |
('-') |
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
666 |
('others' otherMenu Ctrl) |
972 | 667 |
). |
668 |
||
669 |
]. |
|
1206 | 670 |
|
1619
6e4b1930841a
use new itemList message from PopUpMenu
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
671 |
m := PopUpMenu itemList:items resources:resources. |
323 | 672 |
m subMenuAt:#otherMenu put:specialMenu. |
673 |
^ m |
|
972 | 674 |
|
1206 | 675 |
"Modified: 27.6.1997 / 14:45:06 / cg" |
85 | 676 |
! |
677 |
||
45 | 678 |
realize |
679 |
super realize. |
|
680 |
updateBlock notNil ifTrue:[ |
|
93 | 681 |
Processor addTimedBlock:updateBlock afterSeconds:updateInterval. |
45 | 682 |
] ifFalse:[ |
93 | 683 |
myProcess := [ |
684 |
|d| |
|
45 | 685 |
|
93 | 686 |
[true] whileTrue:[ |
687 |
(Delay forSeconds:updateInterval) wait. |
|
688 |
self updateDisplay |
|
689 |
] |
|
690 |
] forkAt:6. |
|
691 |
myProcess name:'monitor [' , |
|
692 |
Processor activeProcess id printString , |
|
693 |
'] update' |
|
45 | 694 |
]. |
695 |
||
696 |
newColor := newColor on:device. |
|
697 |
freeColor := freeColor on:device. |
|
698 |
oldColor := oldColor on:device. |
|
699 |
||
700 |
font := font on:device. |
|
701 |
! ! |
|
702 |
||
52 | 703 |
!MemoryMonitor methodsFor:'menu functions'! |
704 |
||
311 | 705 |
backgroundCollect |
706 |
"start a background (non disturbing) incremental GC. |
|
707 |
Since the GC is performed at a low priority, it may not make progress if higher |
|
708 |
prio processes are running" |
|
709 |
||
710 |
[ |
|
711 |
ObjectMemory incrementalGC |
|
712 |
] forkAt:5 |
|
713 |
! |
|
714 |
||
105 | 715 |
cleanupMemory |
716 |
"let all classes release unneeded, cached |
|
717 |
data ..." |
|
718 |
||
469
3653317928e2
dont repeat coding in ObjectMemory ...
Claus Gittinger <cg@exept.de>
parents:
360
diff
changeset
|
719 |
ObjectMemory performLowSpaceCleanup. |
3653317928e2
dont repeat coding in ObjectMemory ...
Claus Gittinger <cg@exept.de>
parents:
360
diff
changeset
|
720 |
|
105 | 721 |
" |
722 |
then, perform a GC (incl. symbol reclamation) |
|
723 |
" |
|
724 |
ObjectMemory reclaimSymbols. |
|
725 |
" |
|
726 |
finally, compress |
|
727 |
" |
|
1205 | 728 |
ObjectMemory tenure. |
105 | 729 |
ObjectMemory verboseGarbageCollect. |
1205 | 730 |
|
731 |
"Modified: 26.6.1997 / 17:12:53 / cg" |
|
105 | 732 |
! |
733 |
||
844 | 734 |
cleanupMethodHistory |
735 |
"release the oldMethod history" |
|
736 |
||
737 |
(self confirm:'This removes the previous method history, |
|
738 |
which is kept for all changed methods in the system. |
|
739 |
After that, the browsers cannot easily switch back to a methods |
|
740 |
previous version. |
|
741 |
||
742 |
However, this is normally not a problem, since |
|
743 |
a methods previous code should still be accessable through |
|
744 |
either the changes-file, the sourceCode repository or the classes original |
|
745 |
source file. |
|
746 |
||
747 |
cleanup now ?') ifTrue:[ |
|
748 |
||
749 |
||
750 |
Class flushMethodHistory. |
|
751 |
||
752 |
" |
|
753 |
then, perform a GC (incl. symbol reclamation) |
|
754 |
" |
|
755 |
ObjectMemory reclaimSymbols. |
|
756 |
" |
|
757 |
finally, compress |
|
758 |
" |
|
759 |
ObjectMemory verboseGarbageCollect. |
|
760 |
] |
|
761 |
||
762 |
||
763 |
||
764 |
! |
|
765 |
||
311 | 766 |
compressSources |
323 | 767 |
(self confirm:'This saves all in-memory source strings into a file |
360 | 768 |
and makes methods reference these (file-) strings, |
769 |
freeing all in-memory sources. |
|
323 | 770 |
|
771 |
If that source file is ever lost or gets out of sync with |
|
772 |
your system, those method sources are lost and the browser |
|
773 |
will show garbage. |
|
774 |
However, you still have a change file as backup. |
|
775 |
||
776 |
(Be especially careful, if you move images around: |
|
360 | 777 |
the source file must then be the correct one for that image) |
323 | 778 |
|
779 |
A compress is only useful, if you added many methods |
|
780 |
and the systems response time suffers from paging. |
|
781 |
||
782 |
Compress anyway ?') ifTrue:[ |
|
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
783 |
windowGroup withWaitCursorDo:[ |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
784 |
Smalltalk compressSources. |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
785 |
ObjectMemory markAndSweep |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
786 |
] |
323 | 787 |
] |
788 |
||
360 | 789 |
"Modified: 9.2.1996 / 18:17:22 / cg" |
311 | 790 |
! |
156 | 791 |
|
311 | 792 |
compressingGarbageCollect |
793 |
"perform a blocking compressing garbage collect." |
|
794 |
||
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
795 |
windowGroup withWaitCursorDo:[ |
1261
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
796 |
ObjectMemory tenure. |
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
797 |
ObjectMemory verboseGarbageCollect |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
798 |
] |
1261
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
799 |
|
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
800 |
"Modified: 30.7.1997 / 21:19:47 / cg" |
156 | 801 |
! |
802 |
||
52 | 803 |
garbageCollect |
159 | 804 |
"perform a blocking (non compressing) garbage collect" |
805 |
||
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
806 |
windowGroup withWaitCursorDo:[ |
1261
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
807 |
ObjectMemory tenure. |
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
808 |
ObjectMemory markAndSweep |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
809 |
] |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
810 |
|
1261
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
811 |
"Modified: 30.7.1997 / 21:19:35 / cg" |
52 | 812 |
! |
813 |
||
105 | 814 |
garbageCollectAndSymbols |
159 | 815 |
"perform a blocking (non compressing) garbage collect |
816 |
and reclaim unreferenced symbols." |
|
817 |
||
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
818 |
windowGroup withWaitCursorDo:[ |
1261
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
819 |
ObjectMemory tenure. |
350
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
820 |
ObjectMemory reclaimSymbols |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
821 |
] |
68c5fed6c9bc
show waitCursor while collecting
Claus Gittinger <cg@exept.de>
parents:
323
diff
changeset
|
822 |
|
1261
f59a1039ae3c
tenure in GC to break rememberedSet refs.
Claus Gittinger <cg@exept.de>
parents:
1206
diff
changeset
|
823 |
"Modified: 30.7.1997 / 21:19:41 / cg" |
105 | 824 |
! |
825 |
||
311 | 826 |
incrementalCollect |
827 |
"start an incremental GC which does not disturb too much, but is guaranteed to |
|
828 |
make progress. |
|
323 | 829 |
This is done by doing the IGC at a very high priority, but giving up the CPU after |
830 |
every step. Due to the long delays, this may take a while to finish. |
|
831 |
Notice, that this is different from doing a background collect: that one |
|
832 |
may not make any progress if higher prio processes are runnable." |
|
833 |
||
834 |
|done delay| |
|
835 |
||
311 | 836 |
[ |
323 | 837 |
done := false. |
838 |
delay := Delay new. |
|
839 |
[done] whileFalse:[ |
|
840 |
10 timesRepeat:[ |
|
841 |
done ifFalse:[done := ObjectMemory gcStep]. |
|
842 |
]. |
|
843 |
(delay delay:10) wait |
|
844 |
] |
|
311 | 845 |
] forkAt:Processor highestPriority |
323 | 846 |
|
847 |
"Modified: 23.12.1995 / 17:31:55 / cg" |
|
311 | 848 |
! |
159 | 849 |
|
311 | 850 |
resetStatisticValues |
851 |
ObjectMemory resetMaxInterruptLatency. |
|
852 |
ObjectMemory resetMinScavengeReclamation. |
|
853 |
||
854 |
"Created: 7.11.1995 / 17:44:59 / cg" |
|
52 | 855 |
! |
856 |
||
972 | 857 |
restartBackgroundCollector |
858 |
"start a background (non disturbing) incremental GC. |
|
859 |
Since the GC is performed at a low priority, it may not make progress if higher |
|
860 |
prio processes are running" |
|
861 |
||
862 |
ObjectMemory backgroundCollectorRunning |
|
863 |
ifFalse:[ |
|
864 |
ObjectMemory startBackgroundCollectorAt:5. |
|
865 |
ObjectMemory startBackgroundCollectorAt:5 |
|
866 |
] |
|
867 |
||
868 |
"Created: 21.1.1997 / 00:09:30 / cg" |
|
869 |
! |
|
870 |
||
105 | 871 |
scavenge |
159 | 872 |
"perform a blocking newspace garbage collect. |
873 |
(this is for debugging only - the system does this automatically)" |
|
874 |
||
105 | 875 |
ObjectMemory scavenge |
876 |
! |
|
877 |
||
878 |
tenure |
|
159 | 879 |
"empty the newSpace, by aging all new objects immediately and transfering them |
880 |
into oldSpace. |
|
881 |
(this is for debugging only - the system does this automatically)" |
|
882 |
||
105 | 883 |
ObjectMemory tenure |
1206 | 884 |
! |
885 |
||
886 |
unloadAllAutoloadedClasses |
|
887 |
"unload all classes which were autoloaded and have no instances" |
|
888 |
||
889 |
Autoload loadedClasses copy do:[:anAutoloadedClass | |
|
890 |
anAutoloadedClass hasInstances ifFalse:[ |
|
891 |
anAutoloadedClass unload |
|
892 |
] |
|
893 |
]. |
|
894 |
||
895 |
"Created: 27.6.1997 / 14:21:45 / cg" |
|
896 |
"Modified: 27.6.1997 / 14:22:47 / cg" |
|
311 | 897 |
! ! |
105 | 898 |
|
798 | 899 |
!MemoryMonitor class methodsFor:'documentation'! |
85 | 900 |
|
311 | 901 |
version |
1721
4d19c61fa688
avoid generating garbage when updating the display
Claus Gittinger <cg@exept.de>
parents:
1619
diff
changeset
|
902 |
^ '$Header: /cvs/stx/stx/libtool/MemoryMonitor.st,v 1.50 1998-07-15 11:01:02 cg Exp $' |
52 | 903 |
! ! |