Messages in this thread | | | Date | Mon, 20 Dec 2004 12:07:27 +0300 (MSK) | Subject | Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task | From | mr@ramendik ... |
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Hello,
> Did anyone come up with a simple step-by-step procedure for reproducing > the > problem? It would be good if someone could do this, because I don't think > we understand the root cause yet?
Here's a step-by-step explanation of the way I test this:
- Get the Memory Eater and compile it:
http://lkml.org/lkml/2004/12/13/272
- Do a clean boot
- Start top, and some app that has a clock and preferrably a CPU graph (to monitor screen freezes and CPU load; it's IceWM for me)
- Start the Memory Eater
- Give it an amount of megabytes that is more than the actual RAM size. I use a value of 300, as my computer has 256 M RAM.
- Enjoy :) "eatmemory" will slowly eat up more and more RAM (visible in top as RSS); under 2.6.8.1 no screen freezes come, and under 2.6.9 and 2.6.10-rc3 they do come; under 2.6.10-rc3 I also see high CPU periods for kswapd.
Yours, Mikhail Ramendik
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