Eliot Miranda uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-eem.931.mcz ==================== Summary ==================== Name: System-eem.931 Author: eem Time: 9 March 2017, 6:00:34.483842 pm UUID: 05678f28-fed0-4457-a347-fa9d0a0b092f Ancestors: System-eem.930 Update the VM Stats report to use an additional decimal place for the percentage of uptime spent in GC and scavenging. =============== Diff against System-eem.930 =============== 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 | 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. 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). str nextPutAll: 'uptime '. upTime >= (60*60*24*1000) ifTrue: [str print: (upTime / 1000 / 60 // 60 // 24); nextPut: $d; space; print: (upTime / 1000 / 60 // 60 \\ 24); nextPut: $h; space] ifFalse: [str print: (upTime / 1000 / 60 // 60); nextPut: $h; space]. str print: (upTime / 1000 / 60 \\ 60) asInteger; nextPut: $m; space; 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. 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)' ]. str cr. str nextPutAll: ' full '; nextPutAll: fullGCs asStringWithCommas; nextPutAll: ' totalling '; nextPutAll: fullGCTime asStringWithCommas; nextPutAll: ' ms ('; + print: (fullGCTime / upTime * 100) maxDecimalPlaces: 2; - print: (fullGCTime / upTime * 100) maxDecimalPlaces: 1; nextPutAll: '% uptime)'; 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 * 100) maxDecimalPlaces: 2; - 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: [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. 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 ! |
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