Re: getting processor numbers

[Ulrich Drepper]

Siddha, Suresh B wrote:
> Not all of the cpu* directories in /sys/devices/system/cpu may be
> online.

Brilliant.  You people really know how to create user interfaces.  So
now in any case per CPU another stat/access syscall is needed to check
the 'online' pseudo-file?  With this the readdir solution is only
marginally faster than parsing /proc/cpuinfo which means, it's
unacceptably slow.

I cannot believe all these big system people are allowed to screw
everybody else up with their nonsense.

So, anybody else has a proposal?  This is a pressing issue and cannot
wait until someday in the distant future NUMA topology information is
easily and speedily accessible.

-- 
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â

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