Re: HPL Benchmark performance degradation of kernel 2.6.24.3 vs2.6.23.14

From: Peter Zijlstra
Date: Sun Mar 02 2008 - 14:03:29 EST



On Sun, 2008-03-02 at 19:48 +0100, Eric Dumazet wrote:

> Examining your .config, I would point out CONFIG_SLUB_DEBUG=y
> You really should disable this expensive option.

CONFIG_SLUB_DEBUG_ON is the expensive one.

> (and possibly use CONFIG_SLAB instead of CONFIG_SLUB)

That is a good thing to test indeed.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/