The Trunk: System-dtl.693.mcz

David T. Lewis uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-dtl.693.mcz

==================== Summary ====================

Name: System-dtl.693
Author: dtl
Time: 14 December 2014, 11:00:10.753 am
UUID: f259d92a-1a26-4bd8-97f8-d896ae9332a5
Ancestors: System-bf.692

VM statistics array size varies for different VM implementations

=============== Diff against System-bf.692 ===============

Item was changed:
  ----- Method: SmalltalkImage>>vmStatisticsReportString (in category 'vm statistics') -----
  vmStatisticsReportString
  "(Workspace new contents: Smalltalk vmStatisticsReportString)
  openLabel: 'VM Statistics'"
  "StringHolderView
  open: (StringHolder new contents: Smalltalk vmStatisticsReportString)
  label: 'VM Statistics'"
 
  | params onSpur oldSpaceEnd youngSpaceEnd memorySize fullGCs fullGCTime incrGCs incrGCTime tenureCount upTime upTime2 fullGCs2 fullGCTime2 incrGCs2 incrGCTime2 tenureCount2 str freeSize youngSize used |
  params := self getVMParameters.
+ onSpur := (params at: 41 ifAbsent: [ 0 ]) anyMask: 16.
- onSpur := (params at: 41) anyMask: 16.
  oldSpaceEnd := params at: 1.
  youngSpaceEnd := params at: 2.
  memorySize := params at: 3.
  fullGCs := params at: 7.
  fullGCTime := params at: 8.
  incrGCs := params at: 9.
  incrGCTime := params at: 10.
  tenureCount := params at: 11.
  upTime := Time millisecondClockValue.
 
  str := WriteStream on: (String new: 700).
  str nextPutAll: 'uptime ';
  print: (upTime / 1000 / 60 // 60); nextPut: $h;
  print: (upTime / 1000 / 60 \\ 60) asInteger; nextPut: $m;
  print: (upTime / 1000 \\ 60) asInteger; nextPut: $s; cr.
 
  str nextPutAll: 'memory ';
  nextPutAll: memorySize asStringWithCommas; nextPutAll: ' bytes'; cr.
  str nextPutAll: ' old ';
  nextPutAll: oldSpaceEnd asStringWithCommas; nextPutAll: ' bytes (';
  print: (oldSpaceEnd / memorySize * 100) maxDecimalPlaces: 1; nextPutAll: '%)'; cr.
  youngSize := onSpur
  ifTrue: [params at: 44 "eden size"] "Spur"
  ifFalse:  [youngSpaceEnd - oldSpaceEnd]. "Squeak V3"
  str nextPutAll: ' young ';
  nextPutAll: youngSize asStringWithCommas; nextPutAll: ' bytes (';
  print: youngSize / memorySize * 100 maxDecimalPlaces: 1; nextPutAll: '%)'; cr.
  onSpur ifTrue: [youngSize := youngSpaceEnd "used eden"].
  freeSize := onSpur
  ifTrue: [(params at: 54) + (params at: 44) - youngSize] "Spur"
  ifFalse:  [memorySize - youngSpaceEnd] "Squeak V3".
  used := onSpur
  ifTrue: [youngSize + oldSpaceEnd - freeSize] "Spur"
  ifFalse:  [youngSpaceEnd]. "Squeak V3"
  str nextPutAll: ' used ';
  nextPutAll: used asStringWithCommas; nextPutAll: ' bytes (';
  print: used / memorySize * 100 maxDecimalPlaces: 1; nextPutAll: '%)'; cr.
  str nextPutAll: ' free ';
  nextPutAll: freeSize asStringWithCommas; nextPutAll: ' bytes (';
  print: freeSize / memorySize * 100 maxDecimalPlaces: 1; nextPutAll: '%)'; cr.
 
  str nextPutAll: 'GCs ';
  nextPutAll: (fullGCs + incrGCs) asStringWithCommas.
  fullGCs + incrGCs > 0 ifTrue: [
  str
  nextPutAll: ' (';
  print: (upTime / (fullGCs + incrGCs)) maxDecimalPlaces: 1;
  nextPutAll: ' ms between GCs)'
  ].
  str cr.
  str nextPutAll: ' full ';
  nextPutAll: fullGCs asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: fullGCTime asStringWithCommas; nextPutAll: ' ms (';
  print: (fullGCTime / upTime * 100) maxDecimalPlaces: 1;
  nextPutAll: '% uptime)'.
  fullGCs = 0 ifFalse:
  [str nextPutAll: ', avg '; print: (fullGCTime / fullGCs) maxDecimalPlaces: 1; nextPutAll: ' ms'].
  str cr.
  str nextPutAll: ' incr ';
  nextPutAll: incrGCs asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: incrGCTime asStringWithCommas; nextPutAll: ' ms (';
  print: (incrGCTime / upTime * 100) maxDecimalPlaces: 1;
  nextPutAll: '% uptime), avg '; print: (incrGCTime / incrGCs) maxDecimalPlaces: 1; nextPutAll: ' ms'; cr.
  str nextPutAll: ' tenures ';
  nextPutAll: tenureCount asStringWithCommas.
  tenureCount = 0 ifFalse:
  [str nextPutAll: ' (avg '; print: incrGCs // tenureCount; nextPutAll: ' GCs/tenure)'].
  str cr.
 
  LastStats ifNil: [LastStats := Array new: 6]
  ifNotNil: [
  upTime2 := upTime - (LastStats at: 1).
  fullGCs2 := fullGCs - (LastStats at: 2).
  fullGCTime2 := fullGCTime - (LastStats at: 3).
  incrGCs2 := incrGCs - (LastStats at: 4).
  incrGCTime2 := incrGCTime - (LastStats at: 5).
  tenureCount2 := tenureCount - (LastStats at: 6).
 
  str nextPutAll: self textMarkerForShortReport ;
  nextPutAll: (fullGCs2 + incrGCs2) asStringWithCommas.
  fullGCs2 + incrGCs2 > 0 ifTrue: [
  str
  nextPutAll: ' (';
  print: upTime2 // (fullGCs2 + incrGCs2);
  nextPutAll: ' ms between GCs)'.
  ].
  str cr.
  str nextPutAll: ' uptime '; print: (upTime2 / 1000.0) maxDecimalPlaces: 1; nextPutAll: ' s'; cr.
  str nextPutAll: ' full ';
  nextPutAll: fullGCs2 asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: fullGCTime2 asStringWithCommas; nextPutAll: ' ms (';
  print: (fullGCTime2 / upTime2 * 100) maxDecimalPlaces: 1;
  nextPutAll: '% uptime)'.
  fullGCs2 = 0 ifFalse:
  [str nextPutAll: ', avg '; print: (fullGCTime2 / fullGCs2) maxDecimalPlaces: 1; nextPutAll: ' ms'].
  str cr.
  str nextPutAll: ' incr ';
  nextPutAll: incrGCs2 asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: incrGCTime2 asStringWithCommas; nextPutAll: ' ms (';
  print: (incrGCTime2 / upTime2 * 100) maxDecimalPlaces: 1;
  nextPutAll: '% uptime), avg '.
  incrGCs2 > 0 ifTrue: [
  str print: (incrGCTime2 / incrGCs2) maxDecimalPlaces: 1; nextPutAll: ' ms'
  ].
  str cr.
  str nextPutAll: ' tenures ';
  nextPutAll: tenureCount2 asStringWithCommas.
  tenureCount2 = 0 ifFalse:
  [str nextPutAll: ' (avg '; print: incrGCs2 // tenureCount2; nextPutAll: ' GCs/tenure)'].
  str cr.
  ].
  LastStats at: 1 put: upTime.
  LastStats at: 2 put: fullGCs.
  LastStats at: 3 put: fullGCTime.
  LastStats at: 4 put: incrGCs.
  LastStats at: 5 put: incrGCTime.
  LastStats at: 6 put: tenureCount.
 
  ^ str contents
  !