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longrun (4)
  • >> longrun (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    longrun
    
     - Transmeta(TM) Crusoe(TM) LongRun(TM) support
    
     
    

    SYNOPSIS

    LongRun support is a collection of power saving modes for the Transmeta Crusoe chips, similar in scope to Intel's SpeedStep. The following sysctl(8) MIBs control the different CPU modes:

    Name  Type    Changeable      Description
    hw.crusoe.longrun Ta Vt integer Ta yes Ta LongRun mode:
    Ta Ta Ta 0: minimum frequency mode
    Ta Ta Ta 1: power-saving mode
    Ta Ta Ta 2: performance mode
    Ta Ta Ta 3: maximum frequency mode
    hw.crusoe.frequency Ta Vt integer Ta no Ta Current frequency (MHz).
    hw.crusoe.voltage Ta Vt integer Ta no Ta Current voltage (mV).
    hw.crusoe.percentage Ta Vt integer Ta no Ta Processing performance (%).

     

    EXAMPLES

    Print the current status:

    "% sysctl hw.crusoe"

    To set LongRun mode to performance oriented variable frequency mode (less power savings):

    "# sysctl hw.crusoe.longrun=2"
     

    HISTORY

    The Transmeta(TM) Crusoe(TM) LongRun(TM) support first appeared in Fx 4.4 .  

    AUTHORS

    An -nosplit LongRun support and this manual page were written by An Tamotsu HATTORI Aq athlete@kta.att.ne.jp and An Mitsuru IWASAKI Aq iwasaki@FreeBSD.org .


     

    Index

    NAME
    SYNOPSIS
    EXAMPLES
    HISTORY
    AUTHORS


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