Re: per cpu time statistics

Erich Focht (efocht@ess.nec.de)
Thu, 5 Dec 2002 11:57:29 +0100


On Wednesday 04 December 2002 18:47, Andrew Morton wrote:
> It's mainly the big ia32 boxes which a) have a lot of CPUs and
> b) have a lot of memory and c) run a lot of tasks. They're
> gasping for normal-zone memory.

There's a world beyond 32 bits, with plenty of normal-zone memory ;-)

> I'm half-inclined to just revert the whole thing and put the stats
> back, rather than adding yet another obscure config option. But
> your patch is certainly very tidy...

My patch is basically the reverting patch plus changed ifdefs and a
bunch of Kconfig entries. I'd be happy to get this feature back, no
matter how it is implemented. I think it is necessary for performance
analysis on HT, NUMA, SMT systems.

Regards,
Erich

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