Howto find out AIX UNIX CPU information, clock speed

by on June 6, 2007 · 8 comments· LAST UPDATED June 6, 2007

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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

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{ 8 comments… read them below or add one }

1 Harish July 29, 2008 at 9:58 am

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


2 Harish July 29, 2008 at 10:02 am

How I can get maxclock speed ?


3 karthik June 22, 2010 at 5:48 am

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


4 rajan August 2, 2010 at 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


5 pavn September 11, 2010 at 6:07 pm

u have not mentioned current speed or not.


6 Subrat December 22, 2010 at 11:27 am

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


7 Harish Halikere March 25, 2011 at 3:21 pm

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


8 sasikumar May 5, 2011 at 12:03 pm

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


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