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Howto find out AIX UNIX CPU information, clock speed

Q. How do I find out CPU information under AIX UNIX?

A. You can use graphical system administration tool for the IBM AIX computer operating system called SMIT.

AIX Commands

Following commands can be used.

lscfg command

lscfg - Displays configuration, diagnostic, and vital product data (VPD) information about the system including CPU information:

Determining CPU Speed

When using AIX 5.1 and subsequent releases, the following code returns the processor speed in hertz (Hz):
lsattr -E -l proc0 | grep "Processor Speed"

Also, in AIX 5.1 pmcycles command lists the processor speed:

See also

=> Determining microprocessor speed

=> Read man page of pmcycles, lsattr, lscfg

{ 8 comments… add one }

  • Harish July 29, 2008, 9:58 am

    but u have not written whether it is current speed or not ?

  • Harish July 29, 2008, 10:02 am

    How I can get maxclock speed ?

  • karthik June 22, 2010, 5:48 am

    how to check the max threshold set for processor?
    Whats the command for that?

  • rajan August 2, 2010, 10:49 am

    How to get the processorFeature option in AIX?
    For eg
    Name current Value
    ProcessorFeature 01AB

    I am new to AIX and I am not sure what this 01AB means ?

    Please help

  • pavn September 11, 2010, 6:07 pm

    u have not mentioned current speed or not.

  • Subrat December 22, 2010, 11:27 am

    What is the command to find the no of processor in AIX?

    • Harish Halikere March 25, 2011, 3:21 pm

      try lsattr and lscfg on AIX machines.
      cpuinfo, meminfo /proc/ on linux

    • sasikumar May 5, 2011, 12:03 pm

      prtconf it will show the details of hardware and full details of the AIX server.

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