SMF 73 Channel Path Activity
    • 28 Feb 2024
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    SMF 73 Channel Path Activity

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    Article summary

    Introduction

    Fields

    Stored in chpData

    SMF FieldDB Column nameDescription
    recTypeValue is always 0
    SMF73DATstartTimeDate when the RMF measurement interval started
    SMF73DTE
    SMF73TME
    endTimeDate when the record was moved into the SMF buffer
    seconds
    SMF73SIDsidSystem identification
    SMF73XNMsysplexSysplex name as defined in parmlib member COUPLExx
    SMF73SNMsystemNameSystem name for current system as defined in parmlib member IEASYSxx SYSNAME parameter
    SMF73PIDchpidChannel path identification
    SMF73CSScssidChannel subsystem ID
    SMF73ACRchpAcronChannel path acronym
    SMF73CPDchpTypeChannel path description
    SMF73CMGcpmfGroupCPMF Channel measurement group
    SMF73CPPchpParamChannel path parameter
    SMF73GENchpGenChannel type generation
    SMF73CFL
    SMF73SFL
    cpFlagsConfiguration change flags
    SMF73FG2
    SMF73FG3
    cpFlags2Channel flags extension
    SMF73FG4pathFlagsChannel path flags
    SMF73FG5cpmfFlagsCPMF validation flags
    SMF73SAM)sampleCountNumber of RMF samples
    SMF73BSYbusyCountCount of store channel path status samples taken by SRM in which the channel path related to this entry was found busy
    SMF73PBYbusyTimePartitions channel-path-busy-time since last RMF interval
    SMF73PTImeasIntvalPartitions channel-path measurement interval
    SMF73MBCmaxCycleMaximum bus cycles per second
    SMF73MCUmaxUnitMaximum channel work units per second
    SMF73MWUmaxWriteMaximum WRITE data units per second
    SMF73MRUmaxReadMaximum READ data units per second
    SMF73USunitSizeData unit size
    SMF73TBCtotCycleTotal bus cycles count
    SMF73TUCtotUnitTotal channel work unit count
    SMF73PUClparUnitLPAR channel work units count
    SMF73TWUtotWriteTotal WRITE data units count
    SMF73PWUlparWriteLPAR WRITE data units count
    SMF73TRUtotReadTotal READ data units count
    SMF73PRUlparReadLPAR READ data units count
    SMF73EOCcpcAttemptTotal number of FICON command-mode operations that have been attempted by the channel
    SMF73EODcpcMissedTotal number of FICON command-mode operations that could not be initiated by the channel because of a lack of available resources
    SMF73EOScpcSummSummation count of FICON command-mode operations
    SMF73ETChpfAttemptTotal number of FICON transport-mode operations that have been attempted by the channel
    SMF73ETDhpfMissedTotal number of FICON transport-mode operations that could not be initiated by the channel because of a lack of available resources
    SMF73ETShpfSummSummation count of FICON transport-mode operations
    actionId
    cec_name
    cec_type
    cec_model
    lpar_name

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