[Gllug] Forcing CPU and Mem limits on a process

[Rich Walker]

Joel Bernstein <joel at fysh.org> writes:

> On Fri, Feb 11, 2005 at 01:50:26PM -0000, David Abbishaw wrote:
>> Can anyone recommend how I can run a process and define that it can only
>> use say 25% of the cpu and an amount of memory???  I thought nice would do
>> the CPU but it doesnt look great.
[snip]

> Limiting to 25% CPU isn't doable, I don't think, but do you really need
> to do this? UNIX works with process priorities, so you can use nice to
> set a very low priority on the process. Thus on an unloaded system it
> can take 100% CPU if it wants to, but other processes will have a
> higher priority and be able to override this.

You could set the task to a real-time priority, and then run three other
tasks at the same priority that busy-waited.

Probably not what you want, though. You probably just want to nice it to
a low priority.
[chop]

cheers, Rich.

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