Eliot Miranda uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-eem.973.mcz
==================== Summary ====================
Name: System-eem.973 Author: eem Time: 2 November 2017, 4:13:43.523409 pm UUID: 0c53315a-33ca-405c-8b14-81a0fc99053c Ancestors: System-eem.972
Improve the formatting of the revised vmStatisticsReportString siomewhat.
P.S. if people feel strongly that the code compactions info isn't that useful then feel free to revert.
=============== Diff against System-eem.972 ===============
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 oldSpaceEnd youngSpaceEnd memorySize fullGCs fullGCTime fullGCCompactionTime incrGCs incrGCTime tenureCount upTime upTime2 fullGCs2 fullGCTime2 incrGCs2 incrGCTime2 tenureCount2 str freeSize youngSize used spur timeReporter idleMs idleMs2 codeCompactionTime codeCompactionsOrNil codeCompactionTime2 codeCompactions2 | params := self getVMParameters. 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. fullGCCompactionTime := params at: 18. codeCompactionsOrNil := params at: 62. codeCompactionTime := params at: 63. upTime := (params at: 20) ~= 0 "utcMicrosecondClock at startup in later Spur VMs" ifTrue: [Time utcMicrosecondClock - (params at: 20) + 500 // 1000] ifFalse: [Time eventMillisecondClock]. "Fall back on old microsecond clock; Good for 47.5 days" spur := (params at: 41) anyMask: 16. str := WriteStream on: (String new: 2048). timeReporter := [:time| | seconds | seconds := time / 1000. seconds >= (60*60*24) ifTrue: [str print: seconds / 60 // 60 // 24; nextPut: $d; space; print: seconds / 60 // 60 \ 24; nextPut: $h; space] ifFalse: [seconds >= (60*60) ifTrue: [str print: (seconds / 60 // 60); nextPut: $h; space]]. str print: (seconds / 60 \ 60) asInteger; nextPut: $m; space; print: (seconds \ 60) asInteger; nextPut: $s]. str nextPutAll: 'uptime '. timeReporter value: upTime. (idleMs := params at: 16) ~= 0 ifTrue: [str tab; nextPutAll: '(runtime '. idleMs := idleMs // 1000. timeReporter value: upTime - idleMs. str nextPutAll: ', idletime '. timeReporter value: idleMs. str nextPut: $)]. str 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.
spur ifTrue: [(youngSize := (params at: 19) * 7 // 5) = 0 ifTrue: [params at: 44]. youngSize := youngSize roundUpTo: 1024. str nextPutAll: ' young '; nextPutAll: youngSize asStringWithCommas; nextPutAll: ' bytes ('; print: youngSize / memorySize * 100 maxDecimalPlaces: 1; nextPutAll: '%)'; cr. youngSize := youngSpaceEnd. "used eden" freeSize := (params at: 54) + (params at: 44) - youngSize. used := youngSize + oldSpaceEnd - freeSize. 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] ifFalse: "Earlier VM and V3 object memory" [str nextPutAll: ' young '; nextPutAll: (youngSpaceEnd - oldSpaceEnd) asStringWithCommas; nextPutAll: ' bytes ('; print: (youngSpaceEnd - oldSpaceEnd / memorySize * 100) maxDecimalPlaces: 1; nextPutAll: '%)'; cr. str nextPutAll: ' used '; nextPutAll: youngSpaceEnd asStringWithCommas; nextPutAll: ' bytes ('; print: (youngSpaceEnd / memorySize * 100) maxDecimalPlaces: 1; nextPutAll: '%)'; cr. str nextPutAll: ' free '; nextPutAll: (memorySize - youngSpaceEnd) asStringWithCommas; nextPutAll: ' bytes ('; print: (memorySize - youngSpaceEnd / 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'. idleMs > 0 ifTrue: [str space; print: upTime - idleMs / (fullGCs + incrGCs) maxDecimalPlaces: 1; nextPutAll: ' ms runtime between GCs']. str nextPut: $)]. str cr. str nextPutAll: ' full '; nextPutAll: fullGCs asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: fullGCTime asStringWithCommas; nextPutAll: ' ms ('; print: fullGCTime / (upTime - idleMs) * 100 maxDecimalPlaces: 2; nextPutAll: '% runtime)'; nextPutAll: ', avg '; print: (fullGCTime / (fullGCs max: 1)) maxDecimalPlaces: 1; nextPutAll: ' ms'. (spur and: [fullGCCompactionTime ~= 0]) ifTrue: [str cr; nextPutAll: ' marking '; nextPutAll: (fullGCTime - fullGCCompactionTime) asStringWithCommas; nextPutAll: ' ms ('; print: (fullGCTime - fullGCCompactionTime) / fullGCTime * 100 maxDecimalPlaces: 1; nextPutAll: '%) avg '; print: (fullGCTime - fullGCCompactionTime / (fullGCs max: 1)) maxDecimalPlaces: 1; nextPutAll: ' ms,'; cr; nextPutAll: ' compacting '; nextPutAll: fullGCCompactionTime asStringWithCommas; nextPutAll: ' ms ('; print: fullGCCompactionTime / fullGCTime * 100 maxDecimalPlaces: 1; nextPutAll: '%) avg '; print: fullGCCompactionTime / (fullGCs max: 1) maxDecimalPlaces: 1; nextPutAll: ' ms']. str cr. str nextPutAll: (spur ifTrue: [' scavenges '] ifFalse: [' incr ']); nextPutAll: incrGCs asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: incrGCTime asStringWithCommas; nextPutAll: ' ms ('; print: incrGCTime / (upTime - idleMs) * 100 maxDecimalPlaces: 2; nextPutAll: '% runtime), avg '; print: incrGCTime / incrGCs maxDecimalPlaces: 1; nextPutAll: ' ms'; cr. str nextPutAll: ' tenures '; nextPutAll: tenureCount asStringWithCommas. tenureCount = 0 ifFalse: [spur ifTrue: [str nextPutAll: ' (avg '; print: tenureCount // (incrGCs max: 1); nextPutAll: ' tenures per scavenge)'] ifFalse: [str nextPutAll: ' (avg '; print: incrGCs // tenureCount; nextPutAll: ' GCs/tenure)']]. str cr.
codeCompactionsOrNil ifNotNil: + [str + nextPutAll: 'Code compactions '; crtab; + nextPutAll: codeCompactionsOrNil asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: codeCompactionTime asStringWithCommas; nextPutAll: ' ms ('; + print: codeCompactionTime / (upTime - idleMs) * 100 maxDecimalPlaces: 3; + nextPutAll: '% runtime), avg '; print: codeCompactionTime / codeCompactionsOrNil maxDecimalPlaces: 1; nextPutAll: ' ms'; cr.]. - [str nextPutAll: 'Code compactions '; - nextPutAll: codeCompactionsOrNil asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: codeCompactionTime asStringWithCommas; nextPutAll: ' ms ('; - print: codeCompactionTime / (upTime - idleMs) * 100 maxDecimalPlaces: 3; - nextPutAll: '% runtime), avg '; print: codeCompactionTime / codeCompactionsOrNil maxDecimalPlaces: 1; nextPutAll: ' ms'; cr.].
LastStats ifNil: [LastStats := Array new: 9] ifNotNil: [ LastStats size < 9 ifTrue: [LastStats := LastStats, (Array new: 9 - LastStats size withAll: 0)]. 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). idleMs2 := idleMs - (LastStats at: 7). codeCompactionsOrNil ifNotNil: [codeCompactions2 := codeCompactionsOrNil - (LastStats at: 8). codeCompactionTime2 := codeCompactionTime - (LastStats at: 9)].
str nextPutAll: self textMarkerForShortReport ; nextPutAll: (fullGCs2 + incrGCs2) asStringWithCommas. fullGCs2 + incrGCs2 > 0 ifTrue: [str nextPutAll: ' ('; print: upTime2 // (fullGCs2 + incrGCs2); nextPutAll: ' ms between GCs'. idleMs2 > 0 ifTrue: [str nextPutAll: ', '; print: upTime2 - idleMs2 // (fullGCs2 + incrGCs2); nextPutAll: ' ms runtime between GCs']. str nextPut: $)]. str cr. str nextPutAll: ' uptime '; print: (upTime2 / 1000.0) maxDecimalPlaces: 1; nextPutAll: ' s, runtime '; print: (upTime2 - idleMs2 / 1000.0) maxDecimalPlaces: 1; nextPutAll: ' s, idletime '; print: (idleMs2 / 1000.0) maxDecimalPlaces: 1; nextPutAll: ' s'; cr. str nextPutAll: ' full '; nextPutAll: fullGCs2 asStringWithCommas. fullGCs2 + fullGCTime2 > 0 ifTrue: [str nextPutAll: ' totalling '; nextPutAll: fullGCTime2 asStringWithCommas; nextPutAll: ' ms ('; print: fullGCTime2 / (upTime2 - idleMs2) * 100 maxDecimalPlaces: 1; nextPutAll: '% runtime)'. str nextPutAll: ', avg '; print: fullGCTime2 / (fullGCs2 max: 1) maxDecimalPlaces: 1; nextPutAll: ' ms']. str cr. str nextPutAll: (spur ifTrue: [' scavenge '] ifFalse: [' incr ']); nextPutAll: incrGCs2 asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: incrGCTime2 asStringWithCommas; nextPutAll: ' ms ('; print: incrGCTime2 / (upTime2 - idleMs2) * 100 maxDecimalPlaces: 1; nextPutAll: '% runtime), avg '; print: incrGCTime2 / (incrGCs2 max: 1) maxDecimalPlaces: 1; nextPutAll: ' ms'. str cr. str nextPutAll: ' tenures '; nextPutAll: tenureCount2 asStringWithCommas. tenureCount2 = 0 ifFalse: [spur ifTrue: [str nextPutAll: ' (avg '; print: tenureCount2 // (incrGCs2 max: 1); nextPutAll: ' tenures per scavenge)'] ifFalse: [str nextPutAll: ' (avg '; print: incrGCs2 // tenureCount2; nextPutAll: ' GCs/tenure)']]. str cr. codeCompactionsOrNil ifNotNil: [str nextPutAll: ' code compactions '; nextPutAll: codeCompactions2 asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: codeCompactionTime2 asStringWithCommas; nextPutAll: ' ms ('; print: codeCompactionTime2 / (upTime2 - idleMs2) * 100 maxDecimalPlaces: 3; nextPutAll: '% runtime)'. codeCompactions2 > 0 ifTrue: [str nextPutAll: ', avg '; print: codeCompactionTime2 / codeCompactions2 maxDecimalPlaces: 1; nextPutAll: ' ms'; cr.]] ]. LastStats := { upTime. fullGCs. fullGCTime. incrGCs. incrGCTime. tenureCount. idleMs. codeCompactionsOrNil. codeCompactionTime }.
^str contents !