IV19217: INVALID VERBOSE DATA UNDER LARGE PAUSE OPTION

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: Running verbose metronome gc under and large pause
  time option (e.g. -Xgcpolicy:metronome -Xgc:targetPausetime=22
  -Xverbosegclog), invalid verbose data is observed:
  <gc-op id="15" type="heartbeat" contextid="13"
  timestamp="2011-08-31T11:30:05.314">
    <quanta quantumCount="1" quantumType="sweep"
  minTimeMs="18446744073709551.615" meanTimeMs="0.000"
  maxTimeMs="0.000" maxTimestampMs="18445429269108706.806" />
    <exclusiveaccess-info minTimeMs="0.003" meanTimeMs="0.003"
  maxTimeMs="0.003" />
    <free-mem type="heap" minBytes="18446744073709551615"
  meanBytes="0" maxBytes="0" />
    <thread-priority maxPriority="0"
  minPriority="18446744073709551615" />
  </gc-op>
  .
  N/A
  

Local fix

• N/A
  

Problem summary

• The problem is caused by incorrect logic the verbose GC engine.
  

Problem conclusion

• This defect will be fixed in:
  7.0.0 SR1
  WRT-V3 SR1
  .
  The GC have been updated to correctly collect and calculate
  verbose GC data.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  IV21498

Fix information

• Fixed component name

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R260 PSY

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