Re: hackbench regression due to commit 9dfc6e68bfe6e
From: Zhang, Yanmin
Date: Wed Apr 07 2010 - 21:04:09 EST
On Wed, 2010-04-07 at 20:38 +0200, Eric Dumazet wrote:
> Le mercredi 07 avril 2010 à 13:20 -0500, Christoph Lameter a écrit :
> > 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 ?
If there is no, it's easy to write it as kernel exports the cache stat by
> I remember my HP blades have many BIOS options, I would like to make
> sure they are properly set.
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/