new OOM heuristic failure (was: Re: VM: qsbench)

From: Rik van Riel (riel@conectiva.com.br)
Date: Wed Oct 31 2001 - 10:00:59 EST

On Wed, 31 Oct 2001, Lorenzo Allegrucci wrote:

Linus, it seems Lorenzo's test program gets killed due
to the new out_of_memory() heuristic ...

> Linux-2.4.14-pre6:
> lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
> Out of Memory: Killed process 224 (qsbench).
> 69.890u 3.430s 2:12.48 55.3% 0+0k 0+0io 16374pf+0w
> lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
> Out of Memory: Killed process 226 (qsbench).
> 69.550u 2.990s 2:11.31 55.2% 0+0k 0+0io 15374pf+0w
> lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
> Out of Memory: Killed process 228 (qsbench).
> 69.480u 3.100s 2:13.33 54.4% 0+0k 0+0io 15950pf+0w
> 0:01 kswapd
>
> This is interesting, -pre6 killed qsbench _just_ before qsbench exited.
> Unreliable results.

Rik 

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This archive was generated by hypermail 2b29 : Wed Oct 31 2001 - 21:00:44 EST