Re: [2.4.17/18pre] VM and swap - it's really unusable

Chris Friesen (cfriesen@nortelnetworks.com)
Mon, 21 Jan 2002 12:32:57 -0500


yodaiken@fsmlabs.com wrote:

> So your claim is that:
> Preemption improves latency when there are both kernel cpu bound
> tasks and tasks that are I/O bound with very low cache hit
> rates?
>
> Is that it?
>
> Can you give me an example of a CPU bound task that runs
> mostly in kernel? Doesn't that seem like a kernel bug?

cat /dev/urandom > /dev/null

-- 
Chris Friesen                    | MailStop: 043/33/F10  
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
Nepean, ON K2H 8E9 Canada        | email: cfriesen@nortelnetworks.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/