Re: hackbench regression due to commit 9dfc6e68bfe6e

[Eric Dumazet]

Le mercredi 07 avril 2010 Ã 13:20 -0500, Christoph Lameter a Ãcrit :
> On Wed, 7 Apr 2010, Pekka Enberg wrote:
> 
> > Oh, sorry, I think it's actually '____cacheline_aligned_in_smp' (with four
> > underscores) for per-cpu data. Confusing...
> 
> This does not particulary help to clarify the situation since we are
> dealing with data that can either be allocated via the percpu allocator or
> be statically present (kmalloc bootstrap situation).
> 
> --

Do we have a user program to check actual L1 cache size of a machine ?

I remember my HP blades have many BIOS options, I would like to make
sure they are properly set.



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