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IV24610: SVMON ?P OPTIONS TAKES A LOT TIME TO RETURN OR HANGS APPLIES TO AIX 7100-01

A fix is available

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APAR status

  • Closed as program error.

Error description

  • svmon -P takes a long time to complete ,
    if there are more segment mapping is missing
    for the files.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-01 Technology Level with
    * bos.perf.perfstat below the 7.1.1.18 level and
    * bos.perf.tools below the 7.1.1.18 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * Commands involving processes (such as ps, sar, topas) can
    * hang while svmon -P (or any svmon option that collect process
    * details such as -U option) is running.  svmon commands
    * collecting process details can take a long time to complete
    * if there are are open files whose file pointers have a
    * missing mapping segment, in which case, svmon performs a
    * linear search of the segment table.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV24610.
    ****************************************************************
    

Problem conclusion

  • Svmon will ignore files without segment mapping information
    This is the modified default behavior of svmon.To view
    these additional file use option:svmon -P -Ofile_mem_scan=on
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    IV24610

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Submitted date

    2012-07-10

  • Closed date

    2012-10-04

  • Last modified date

    2013-11-23

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U859427

       UP13/04/30 I 1000

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Document Information

Modified date:
23 November 2013