SMF 74-4 Request CF Data

  • Updated on Feb 28, 2024
  • Published on Apr 29, 2022
  • 2 minute(s) read
  • Alexandre BATARD
  • Guilhem PREVOT
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Introduction

Fields

Stored in cfnRqData

SMF Field DB Column name Description Unit
recordType Value is always XCRQ
SMF74SID sid System identification (from the SID parameter)
SMF74GIE startTime Projected gathering interval end GMT time
SMF74TME endTime Added descriptions of some columns
SMF74INT seconds Duration of the RMF measurement interval second
SMF74MFV rmfVersion RMF Version number
SMF74PRD productName Product name (‘RMF’)
SMF74MVS mvsLevel MVS software level (ZVvvrrmm)
SMF74IML processorType Indicates the type of processor complex on which data measurements were taken
SMF74PRF processorFlags Processor flags (1, 2, 3, 4, 5, 6 or 7)
offset
SMF74SYN synctime SYNC value second
SMF74XNM sysplex Sysplex name ( in the COUPLExx parmlib member)
SMF74SNM sysname System name (r in the IEASYSxx parmlib member)
R744SNAM cfRqSName Name of connected structure in this coupling facility
R744SVER cfRqSVer Structure version number
R744STYP cfRqStype
  1. Unserialized List structure
  2. Serialized List structure
  3. Lock structure
  4. Cache structure
R744SFLG cfRqSFlag
  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
R744SLEC cfRqSLock Lock structure only: lock table entry characteristic
R744SLEL cfRqSListLim
  • List structure, limit on number of list entries
  • Lock structure, limit on number of data elements
R744SLEM cfRqSListCur List structure, current number of list entries in use
R744SLTL cfRqSLockLim Lock structure only, limit on number of lock table entries
R744SLTM cfRqSLockCur Lock structure only, Current number of lock table entries in use
R744SSTA cfRqSSynctoAssync The 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
R744STRC cfRqSTotReq The total number of IXLLIST, IXLCACHE, or IXLLOCK requests made
R744STAC cfRqSTotLockReqDelayed The total number of IXLLOCK requests that could not be satisfied immediately because of lock contention
R744SARC cfRqSTotReqAssync The total number of operations executed asynchronously at the coupling facility
R744SATM cfRqSTotServTimeAssync Summed service time for asynchronous requests microsecond
R744SSRC cfRqSTotReqSync Number of synchronous requests
R744SSTM cfRqSTotServTimeSync Summed service time for synchronous requests in microseconds microsecond
R744SSSQ cfRqSTotSrqServTimeSync Summed squares of service time for synchronous requests
R744SQRC cfRqSNumTimesQueReq Number of queued requests
R744SCN cfRqSNumTimesLockCont Lock structure only, number of times any request encountered lock contention
R744SFCN cfRqSNumTimesFalseLockCont Lock structure only, number of times any request encountered false lock contention (storage contention within the structure)
R744SSIZ cfRqSAllocSize Allocated size of structure 4 kilobyte
R744SMAS cfRqSMaxStrucSize Maximum structure size
R744SMIS cfRqSMinStrucSize Minimum structure size
R744SDEC cfRqSTotDirEntry Cache structure only, total directory entry count
R744SDEL cfRqSTotDataElem Cache structure only, total data element count
R744SNLH cfRqSNumListHeader List structure only, number of list headers
R744SMAE cfRqSMaxNumElem List structure only, maximum number of elements. The estimated maximum number of list elements that may reside in storage class memory is not included
R744SETM cfRqSExecTime Structure execution time. Valid if R744FLVL > 14 microsecond
R744SOSA cfRqSSucOpeSCM Number of successful operations to the coupling facility that encountered an SCM Access Required condition
actionId
R744FNAME lcfCFName Name of coupling facility as defined in parmlib member COUPLExx