Re: per-thread rusage

[Bill Irwin]

At some point in the past, I wrote:
>> I just so happen to think we should implement a variety of CPU resource
>> limits beyond what we now do, so this, too, interests me.

On Wed, May 02, 2007 at 12:04:58AM +0100, Alan Cox wrote:
> Agreed - and make them all 64bit while doing the cleanup. One thing
> several Unixen have we don't for 32bi boxes is a proper set of 64bit
> resource handling for memory/file etc.
> We could also start using the CPU facilities to enforce some of
> the really interesting real time process ones (like main memory
> bandwidth) that at the moment we have no control over and can lead to
> very unfair behaviour.

That would be very useful, though I'm unsure of how broad a variety of
architectures implement performance counters useful for such. Simple
caps on %cpu would be a good start in my view.


-- wli
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