Messages in this thread | | | Date | Mon, 21 Jan 2002 10:52:37 -0700 | From | yodaiken@fsmlabs ... | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable |
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On Mon, Jan 21, 2002 at 12:32:57PM -0500, Chris Friesen wrote: > 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
Don't see any of Daniel's postulated long latencies there. (Sorry, but I'm having a hard time figuring out what is meant as a serious comment here).
> > -- > 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
-- --------------------------------------------------------- Victor Yodaiken Finite State Machine Labs: The RTLinux Company. www.fsmlabs.com www.rtlinux.com
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