On Sun, 25 Jun 2000, David S. Miller wrote:
> Date: Sun, 25 Jun 2000 14:22:59 +0200 (CEST)
> From: Mike Galbraith <mikeg@weiden.de>
>
> Noting a drop in both bw_unix and bw_tcp lmbench throughput numbers
> (bw_unix: 130->57 MB/sec bw_tcp: 94->46 MB/sec) on my box while testing
> 2.4.0-test2, I did a binary search.. 2.3.99-pre7 is the switch point.
> Box is 128mb PIII/500.. config info attached.
>
> It's because SLAB poisoning was enabled in the kernel memory allocator
> to catch bugs.
<thonk!> Yes.. it was also mentioned on list to disable certain debugging
options before trying to measure.. <thonk thonk>
Sorry,
-Mike (who has 5 weeks to finish building and be moved in <thonk>;)
-
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