Thanks Bruce... I read descriptions of both Q V CPUs and Q PROC but
obviously did a "compare and swap" or something such in writing my post.
Thanks for the correction.
So VMCP Q V CPUs would work in a VM environment, but we still have a problem
in the LPAR environmentt.
Thanks,
Mike
--------------------------------------------------
From: "Bruce Hayden" <[email protected]>
Sent: Friday, July 11, 2014 9:18 AM
To: <[email protected]>
Subject: Re: Running on CP or IFL ?
vmcp q proc is a privileged command, so hopefully that command isn't
allowed in Linux! But 'vmcp q v cpus' is, and it shows you what type each
virtual CPU is (and for Linux, they'll all be the same type.)
In an LPAR environment, I don't know what to suggest. I don't see any
indication under /proc/cpuinfo or /proc/sysinfo, or in /sys
under /sys/devices/system/cpu. But, I don't have Linux running in an
LPAR environment to check.
On Fri, Jul 11, 2014 at 9:10 AM, Mike Hammock <[email protected]> wrote:
I have been asked a question by one of our zPDT users and did not have a
good answer, so I figured I'd go to the experts on this list....
If I'm running in a zLinux system, how can I "best" determine whether I'm
running on a CP or an IFL? The purpose of this is to determine/set
licensing information so the relative speeds don't matter, just whether
CP
or IFL.
Doing a VMCP Q V PROC and parsing the results might work in a zVM
environment, but obviously would be a problem in a pure LPAR environment.
So, what is the recommended (supported?) and proper way to do this??
Thanks
Mike Hammock
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--
Bruce Hayden
z/VM and Linux on System z ATS
IBM, Endicott, NY
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