Howto find out AIX UNIX CPU information, clock speed

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

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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:
lscfg

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:
pmcycles

See also

=> Determining microprocessor speed

=> Read man page of pmcycles, lsattr, lscfg

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8 comments… add one
  • Harish Jul 29, 2008 @ 9:58

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

  • Harish Jul 29, 2008 @ 10:02

    How I can get maxclock speed ?

  • karthik Jun 22, 2010 @ 5:48

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

  • rajan Aug 2, 2010 @ 10:49

    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 Sep 11, 2010 @ 18:07

    u have not mentioned current speed or not.

  • Subrat Dec 22, 2010 @ 11:27

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

    • Harish Halikere Mar 25, 2011 @ 15:21

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

    • sasikumar May 5, 2011 @ 12:03

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

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