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        SMF 74-4 Request CF Data
        • 28 Feb 2024
        • 2 Minutes to read
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        Contents

        SMF 74-4 Request CF Data

        • Updated on 28 Feb 2024
        • 2 Minutes to read
        • Contributors
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        Article summary

        Introduction

        Fields

        Stored in cfnRqData

        SMF FieldDB Column nameDescriptionUnit
        recordTypeValue is always XCRQ
        SMF74SIDsidSystem identification (from the SID parameter)
        SMF74GIEstartTimeProjected gathering interval end GMT time
        SMF74TMEendTimeAdded descriptions of some columns
        SMF74INTsecondsDuration of the RMF measurement intervalsecond
        SMF74MFVrmfVersionRMF Version number
        SMF74PRDproductNameProduct name (‘RMF’)
        SMF74MVSmvsLevelMVS software level (ZVvvrrmm)
        SMF74IMLprocessorTypeIndicates the type of processor complex on which data measurements were taken
        SMF74PRFprocessorFlagsProcessor flags (1, 2, 3, 4, 5, 6 or 7)
        offset
        SMF74SYNsynctimeSYNC valuesecond
        SMF74XNMsysplexSysplex name ( in the COUPLExx parmlib member)
        SMF74SNMsysnameSystem name (r in the IEASYSxx parmlib member)
        R744SNAMcfRqSNameName of connected structure in this coupling facility
        R744SVERcfRqSVerStructure version number
        R744STYPcfRqStype
        1. Unserialized List structure
        2. Serialized List structure
        3. Lock structure
        4. Cache structure
        R744SFLGcfRqSFlag
        1. Structure was connected to the system at the end of the interval
        2. Structure became active during the interval
        3. Structure is capable to participate in asynchronous duplexing
        4. Structure is in the duplexing active state
        5. Structure is primary instance of an asynchronously duplexed structure
        6. Structure is secondary instance of an asynchronously duplexed structure
        7. Structure is encrypted
        R744SLECcfRqSLockLock structure only: lock table entry characteristic
        R744SLELcfRqSListLim
        • List structure, limit on number of list entries
        • Lock structure, limit on number of data elements
        R744SLEMcfRqSListCurList structure, current number of list entries in use
        R744SLTLcfRqSLockLimLock structure only, limit on number of lock table entries
        R744SLTMcfRqSLockCurLock structure only, Current number of lock table entries in use
        R744SSTAcfRqSSynctoAssyncThe number of list, lock, or cache requests that were to be executed synchronously at the coupling facility, but which were changed to an asynchronous operation due to lack of resources
        R744STRCcfRqSTotReqThe total number of IXLLIST, IXLCACHE, or IXLLOCK requests made
        R744STACcfRqSTotLockReqDelayedThe total number of IXLLOCK requests that could not be satisfied immediately because of lock contention
        R744SARCcfRqSTotReqAssyncThe total number of operations executed asynchronously at the coupling facility
        R744SATMcfRqSTotServTimeAssyncSummed service time for asynchronous requestsmicrosecond
        R744SSRCcfRqSTotReqSyncNumber of synchronous requests
        R744SSTMcfRqSTotServTimeSyncSummed service time for synchronous requests in microsecondsmicrosecond
        R744SSSQcfRqSTotSrqServTimeSyncSummed squares of service time for synchronous requests
        R744SQRCcfRqSNumTimesQueReqNumber of queued requests
        R744SCNcfRqSNumTimesLockContLock structure only, number of times any request encountered lock contention
        R744SFCNcfRqSNumTimesFalseLockContLock structure only, number of times any request encountered false lock contention (storage contention within the structure)
        R744SSIZcfRqSAllocSizeAllocated size of structure4 kilobyte
        R744SMAScfRqSMaxStrucSizeMaximum structure size
        R744SMIScfRqSMinStrucSizeMinimum structure size
        R744SDECcfRqSTotDirEntryCache structure only, total directory entry count
        R744SDELcfRqSTotDataElemCache structure only, total data element count
        R744SNLHcfRqSNumListHeaderList structure only, number of list headers
        R744SMAEcfRqSMaxNumElemList structure only, maximum number of elements. The estimated maximum number of list elements that may reside in storage class memory is not included
        R744SETMcfRqSExecTimeStructure execution time. Valid if R744FLVL > 14microsecond
        R744SOSAcfRqSSucOpeSCMNumber of successful operations to the coupling facility that encountered an SCM Access Required condition
        actionId
        R744FNAMElcfCFNameName of coupling facility as defined in parmlib member COUPLExx
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