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Subject: Re: [hwloc-devel] Docs questions
From: Samuel Thibault (samuel.thibault_at_[hidden])
Date: 2010-01-13 20:05:55


Jeff Squyres, le Wed 13 Jan 2010 19:58:45 -0500, a écrit :
> 1. In the supported list in hwloc.doxy, it says:
>
> <li>*FreeBSD</li>
>
> Is the "*" a typo, or is it supposed to indicate any BSD? (or something else?)

It means any FreeBSD, i.e. FreeBSD or kFreeBSD/GNU for instance.

> 2. In lstopo.1, the colors description says:
>
> .TP
> White
> The CPU is allowed but not in the current CPU binding mask.
> .TP
> Red
> The CPU is not allowed.
>
> Who/what allows or disallows a CPU?

Administration rules

> Is this a reference to Linux cpuset functionality?

For instance.

> I.e., the CPU is online, but the OS won't let you bind to it?

Yes. See the documentation of the allowed_cpuset field.

> (do other OS's have similar kind of restrictions to Linux's cpuset functionality?)

Probably. They haven't been implemented in hwloc yet mostly due to lack
of administration rights on the machines I've ported hwloc to.

Samuel