SMF 71 Memory size

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Introduction

Record type 71 is written for each measurement interval and when the session is terminated. Record type 71 contains information about the demands made on the system paging facilities and the utilization of central storage and external page storage during the reporting interval.
As with all the SMF records RMF produces, it contains a header section followed by the RMF product section. These are followed by:

Paging data section Includes information on central storage pages for SQA, SPA, CSA, LSQA and REGIONS+SWA.

Fields

Stored in memoryData

SMF Field DB Column name Description Unit
recordType Value is always ME71
SMF71SID sid System identification (from the SID parameter).
SMF71DAT startTime Date when the RMF measurement interval started.
SMF71TME
SMF71DTE
endTime Time Date when the record was moved into the SMF buffer.
SMF71SYN syncTime SYNC value in seconds.
SMF71SNM sysName System name (r in the IEASYSxx parmlib member).
SMF71XNM sysplex Sysplex name ( in the COUPLExx parmlib member).
SMF71MXQ maxSqaFixFrames Maximum number of SQA fixed frames in central storage.
SMF71AVQ avgSqaFixFrames Average number of SQA fixed frames in central storage.
SMF71MXC maxCsaFixFrames Maximum number of CSA fixed frames in central storage.
SMF71AVC avgCsaFixFrames Average number of CSA fixed frames in central storage.
SMF71MXP maxCsaFrames Maximum number of CSA central storage frames used, including RUCSA.
SMF71AVP avgCsaFrames Average number of CSA central storage frames used, including RUCSA.
SMF71MXV maxVioSlots Maximum number of local page data set slots allocated to VIO private area pages.
SMF71LVV avgVioSlots Average number of local page data set slots allocated to VIO private area pages. Same as SMF71AVV but long floating point format.
SMF71UAC avgUnrefIntervalCsFrames Average current system UIC during the interval (from MCTCurSystemUIC).
SMF71UHC maxUnrefIntervalCsFrames Highest current system UIC during the interval (from MCTCurSystemUIC).
SMF71CAM minCsFramesAvail Minimum number of available central storage frames. (Does not include 1 MB page frames.)
SMF71CAX maxCsFramesAvail Maximum number of available central storage frames.
SMF71CAA avgcCsFramesAvail Average number of available central storage frames.
SMF71CLM minLowImpCsFrames Minimum number of low-impact central storage frames.
SMF71CLX maxLowImpCsFrames Maximum number of low-impact central storage frames.
SMF71CLA avgLowImpCsFrames Average number of low-impact central storage frames.
SMF71CMM minMedImpCsFrames Minimum number of medium-impact central storage frames.
SMF71CMX maxMedImpCsFrames Maximum number of medium-impact central storage frames.
SMF71CMA avgMedImpCsFrames Average number of medium-impact central storage frames.
SMF71CHM minHigImpCsFrames Minimum number of high-impact central storage frames.
SMF71CHX maxHigImpCsFrames Maximum number of high-impact central storage frames.
SMF71CHA avgHigImpCsFrames Average number of high-impact central storage frames.
SMF71EAM minExpFramesAvail Minimum number of available Expanded Storage frames.
SMF71MVI minVioPagesCs Minimum number of VIO pages in central storage.
SMF71XVI maxVioPagesCs Maximum number of VIO pages in central storage.
SMF71AVI avgVioPagesCs Average number of VIO pages in central storage.
SMF71MHI minHipPagesCs Minimum number of hiperspace pages in central storage.
SMF71XHI maxHipPagesCs Maximum number of hiperspace pages in central storage.
SMF71AHI avgHipPagesCs Average number of hiperspace pages in central storage.
SMF71VWS numVioPagesCsWrite Number of VIO pages written to central storage.
SMF71VRS numVioPagesCsRead Number of VIO pages read from central storage.
SMF71HWS numHipPagesCsWrite Number of hiperspace pages written to central storage.
SMF71HRS numHipPagesCsRead Number of hiperspace pages read from central storage.
SMF71MFB minPageFixAbove16 Minimum number of pages fixed between 16M and 2G.
SMF71XFB maxPageFixAbove16 Maximum number of pages fixed between 16M and 2G.
SMF71AFB avgPageFixAbove16 Average number of pages fixed between 16M and 2G.
SMF71AGT avgShrPageGrp Average number of shared page groups in the system.
SMF71AGC avgShrPageGrpCs Average number of shared page groups in the central storage.
SMF71AGA avgShrPageGrpAux Average number of auxiliary slots in use for shared page groups.
SMF71AGF avgShrPageFix Average number of shared page groups fixed in the system.
SMF71AGB avgShrPageFixBelow16 Average number of shared page groups fixed below 16 MB in the system.
SMF71ASI numPginShr Number of page-ins from auxiliary storage for shared page groups.
SMF71PTH avgShrPageVsAbove2g Average number of shared pages in the system (with virtual storage address above the bar).
SMF71PCH avgShrPageCsAbove2g Average number of shared pages in central storage (with virtual storage address above the bar).
SMF71PAH avgShrPageAuxAbove2g Average number of shared pages in auxiliary storage (with virtual storage address above the bar).
SMF71BLG peakShrPageVsAbove2g Maximum number of shared bytes from large virtual memory in a memory object for the entire system.
SMF71PIH numPginShrAbove2g Number of page-ins from auxiliary storage for shared pages.
SMF71POH numPgouShrAbove2g Number of page-outs to auxiliary storage for shared pages (with virtual storage address above the bar).
SMF71COA avgObjHvCsa Average number of memory objects allocated in the high virtual common storage of the system.
SMF71SOA avgObjHvShrStor Average number of memory objects allocated in the high virtual shared storage of the system.
SMF71LOA avgObjFixPage1m Average number of fixed memory objects that are allocated in the system and can be backed in 1 MB frames.
SMF71LRA avgPage1mCs Average number of 1 MB pages backed in central storage.
SMF71CRA avgPageHvCsa4k Average number of pages from high virtual common storage that are backed in central storage 4 kilobyte
SMF71CFA avgPageFixHvCsa4k Average number of fixed pages from high virtual common storage that are backed in central storage 4 kilobyte
SMF71SRA avgPageHvShr4k Average number of pages from high virtual shared storage that are backed in central storage 4 kilobyte
SMF71CSA avgAuxSlotHvCsaDasd Average number of auxiliary storage slots used for high virtual common pages that are backed on DASD.
SMF71TLS totSwapLog Total number of logical swaps.
SMF71L1A totFrame1mFixObj Average total number of 1 MB frames that can be used by fixed memory objects.
SMF71L3A avgFrame1mInuseFixObj Average number of 1 MB frames in the LFAREA that are in-use by fixed memory objects .
SMF71L4A totFrame1mPageObj Average total number of 1 MB frames that can be used by pageable/DREF memory objects.
SMF71L5A avgFrame1mNotuseDrefObj Average number of 1 MB frames that are not used by pageable/DREF memory objects.
SMF71L6A avgFrame1mInuseDrefObj Average number of 1 MB frames that are used by pageable/DREF memory objects.
SMF71L7A avgFrame1mNotuse Average number of 1 MB frames in the LFAREA that are not in-use. Same as SMF71L2A (calculated differently).
SMF71S1A avgHigVshrPages Average total number of high virtual shared memory pages 4 kilobyte
SMF71S5A avgAuxSlotHigVshrPageDasd Average number of auxiliary storage slots used for high virtual shared memory pages backed on DASD.
SMF71S6A avgAuxSlotHigVshrPageSCM Average number of high virtual shared memory pages backed on SCM storage.
SMF71C1A avgTotHigVCsPages Average total number of high virtual common memory pages. 4 kilobyte
SMF71C4A avgAuxSlotHvcMemPageSCM Average number of high virtual common memory pages backed on SCM storage.
SMF71S7A avgShrObjPageSCM Average number of shared page groups backed on SCM storage.
SMF71INT seconds Duration of the RMF measurement interval second
SMF71MVS mvsLevel MVS software level (ZVvvrrmm).
SMF71PRD productName Product name (RMF).
SMF71MFV rmfVersion RMF version number.
SMF71ASO numPgouAuxShrPageGrp Number of page-outs to auxiliary storage for shared page groups.
SMF71BLP numPginBlockPages Number of blocked pages paged in (this does not include VIO or hiperspace pages).
SMF71FIN numFramesCsNucleus Number of central storage frames in nucleus.
SMF71HIN numPginHipAuxtoCs Number of hiperspace page-ins from auxiliary to central storage.
SMF71HOT numPgouHipCstoAux Number of hiperspace page-outs from central to auxiliary storage.
SMF71PIN numPginNonVioAuxtoCs Number of non-VIO page-ins from auxiliary to central storage. This field includes page-ins required through page faults, specific page requests, and page fixes. It does not include page reclaims or page-ins for VIO data sets.
SMF71PMV totPagesmovedCs Total number of pages moved within central storage.
SMF71POT numPgouNonVioCstoAux Number of non-VIO page-outs from central to auxiliary storage. This field includes page-outs required through specific page requests as well as those pages stolen by the paging supervisor through infrequent use.
SMF71SIN numPagesSwapIn Number of pages swapped in. This field includes: LSQA, fixed pages, and those pages that the real storage manager determined to be active when the address space was swapped in. It does not include page reclaims.
SMF71SOT numPagesSwapOut Number of pages swapped out. This field includes: LSQA, private area fixed pages, and private area non-fixed changed pages.
SMF71TFC numFramesCs Number of page frames defined in central storage. (This field does not include frames occupied by the nucleus, frames marked as bad or offline, or frames used by HSA or PR/SM.)
SMF71VIN numPginVioAuxtoCs Number of VIO page-ins from auxiliary to central storage. This field includes page-ins resulting from page faults or specific page requests on a VIO window. It does not include VIO swap-ins or page-ins for the common area.
SMF71VOT numPgouVioCstoAux Number of VIO page-outs from central to auxiliary storage. This field includes page-outs resulting from specific page requests on a VIO window as well as those pages stolen by the paging supervisor through infrequent use.
centralStorageSize numFramesCs + numFramesCsNucleus
totPageRate (numPginNonVioAuxtoCs + numPgouNonVioCstoAux + numPagesSwapIn + numPagesSwapOut + numPginVioAuxtoCs + numPgouVioCstoAux + numPginBlockPages + numPgouHipCstoAux + numPginHipAuxtoCs) / seconds
numPageFaultRate
demandPageRate
pageMoveRate
SMF71TSC totLocalPageDataSetSlots Total number of local page data set slots.
SMF71DSC nbLocalPageDataSetSlotsVIOPrivateAreaPages Number of local page data set slots allocated to VIO private area pages.
SMF71VSC nbLocalPageDataSetSlotsNonVIOPrivateAreaPages Number of local page data set slots allocated to non-VIO private area pages.
SMF71NSC nbUsableLocalPageDataSetSlotsNotAllocated Number of usable local page data set slots that have not been allocated.
SMF71S2A avgSharedMemAllocatedCanBeBacked1M Average number of shared memory objects that are allocated in the system and can be backed in 1 MB frames
SMF71S3A avgFramesSharedHighVirtual4KPages Average number of frames in use for shared high virtual 4K pages
SMF71S4A avgHighVirtualSharedMem1MBackedCentralStorage Average number of high virtual shared memory 1 MB pages backed in central storage
SMF71C2A avgHighVirtualCommonMem1Mfixed Average number of high virtual common memory 1 MB fixed pages
SMF71C3A avgHighVirtualCommonMem1MBackedCentralStorage Average number of high virtual common memory 1 MB pages backed in central storage
SMF71CPA avgHighCommonPagesInUse Average number of high virtual common pages in-use
SMF71LFA max1MAllocatedLFAREA The maximum number of fixed 1 MB pages that can be allocated as specified in the LFAREA parameter.
SMF71L1M minMax1MFrameFixed1MFrame Lowest maximum number of 1 MB frames that can be used by fixed 1 MB pages.
SMF71L1X maxMax1MFrameFixed1MFrame Highest maximum number of 1 MB frames that can be used by fixed 1 MB pages.
SMF71PLM min1MFrameInUsePageable1MFrame Minimum number of 1 MB frames that are in-use by pageable 1 MB pages.
SMF71PLX max1MFrameInUsePageable1MFrame Maximum number of 1 MB frames that are in-use by pageable 1 MB pages.
SMF71PLA avg1MFrameInUsePageable1MFrame Average number of 1 MB frames that are in-use by pageable 1 MB pages.
SMF71GOM minFix2GMemAllocatedInSystem Minimum number of fixed 2 GB memory objects allocated in the system
SMF71GOX maxFix2GMemAllocatedInSystem Maximum number of fixed 2 GB memory objects allocated in the system
SMF71GOA avgFix2GMemAllocatedInSystem Average number of fixed 2 GB memory objects allocated in the system
SMF71GRM min2GPageFixedCentralStorage Minimum number of 2 GB pages fixed in central storage (same as SMF71GUM)
SMF71GRX max2GPageFixedCentralStorage Maximum number of 2 GB pages fixed in central storage (same as SMF71GUX)
SMF71GRA avg2GPageFixedCentralStorage Average number of 2 GB pages fixed in central storage (same as SMF71GUA)
SMF71GUM min2GLargeFrameAreaUsedByFixedMemory Minimum number of 2 GB frames in the Large Frame Area that are in-use by fixed memory objects (same as SMF71GRM)
SMF71GUX max2GLargeFrameAreaUsedByFixedMemory Maximum number of 2 GB frames in the Large Frame Area that are in-use by fixed memory objects (same as SMF71GRX)
SMF71GUA avg2GLargeFrameAreaUsedByFixedMemory Average number of 2 GB frames in the Large Frame Area that are inuse by fixed memory objects (same as SMF71GRA)
SMF71GUH highWaterMark2GUsedBySystem High water mark for the number of 2 GB frames that are used by the system
SMF71GAM min2GLargeFrameAreaNotUse Minimum number of 2 GB frames in the Large Frame Area that are not in-use
SMF71GAX max2GLargeFrameAreaNotUse Maximum number of 2 GB frames in the Large Frame Area that are not in-use
SMF71GAA avg2GLargeFrameAreaNotUse Average number of 2 GB frames in the Large Frame Area that are not in-use
SMF71GFM minMax2GFrameUsedBy2GPages Lowest maximum number of 2 GB frames that can be used by fixed 2 GB pages.
SMF71GFX maxMax2GFrameUsedBy2GPages Highest maximum number of 2 GB frames that can be used by fixed 2 GB pages.
SMF71GFA avgMax2GFrameUsedBy2GPages Average maximum number of 2 GB frames that can be used by fixed 2 GB pages.
SMF71_DMemNumberofJobsUsingDmem_A memNumberofJobsUsingDmem Average number of address spaces using dedicated memory.
SMF71_DMemTotal2G_A memTotal2G Average amount of online and offline dedicated memory in 2G units, including dedicated memory used by the system.
SMF71_DMemTotalOnline2G_A memTotalOnline2G Average amount of online dedicated memory in 2G units, including dedicated memory used by the system.
SMF71_DMemAvailable2G_A memAvailable2G Average amount of available dedicated memory in 2G units that can be used by address spaces
SMF71_DMemRequested2G_A memRequested2G Average amount of requested dedicated memory in 2G units over all address spaces.
SMF71_DMemMinRequested2G_A memMinRequested2G Average minimum amount of requested dedicated memory in 2G units over all address spaces.
SMF71_DMemAssigned2G_A memAssigned2G Average amount of assigned dedicated memory over all address spaces.
SMF71_DMemInUseAs2G_A memInUsedAs2G Average amount of dedicated memory used as 2G frames over all address spaces
SMF71_DMemInUseAs1MFixed_A memInUseAs1MFixed Average amount of dedicated memory used as 1M fixed frames over all address spaces
SMF71_DMemInUseAs1MPageable_A memInUseAs1MPageable Average amount of dedicated memory used as 1M pageable frames over all address spaces.
SMF71_DMemInUseAs4K_A memInUseAs4K Average amount of dedicated memory used as 4K frames over all address spaces.