On Thu, Mar 24, 2011 at 01:45:34PM +0100, Jan Engelhardt wrote:
> On a 24-thread/6-core SPARC T1, lscpu would wrongly output "5 threads
> per core".
>
> It seems that the 6c T1 is simply an 8c T1 where 2c are disabled
> (offering a lesser model for a lower price, and all that marketing
LOL...
> fluff). So the machine description header of the 6c T1 reports 32
> threads, but only goes on to provide 24 elements thereafter, which is
> why Linux will report threads 24-31 as "offline". So far so good.
>
> But lscpu would take the number of all (online and offline) threads
> (32) and divides it by the number of online cores (6), which yields an
> odd 5.33 threads/core.
>
> Simply pick the number of online threads.
OK.
> [Also, remove stray "(s)"s that do not belong there, and properly
> declare threads, avoid using "CPU" (which is an overloaded term
> meaning either thread, or package/NUMA node).]
avoid using "CPU(s)" is not backwardly compatible change :-(
And I think that CPU is (maybe) overloaded term, but pretty commonly
used and all users are able to understand what it means.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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