Re: [RFC v1] mm: SLAB freelist randomization

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 6 Apr 2016 14:45:30 -0700 Kees Cook <keescook@xxxxxxxxxxxx> wrote:

> On Wed, Apr 6, 2016 at 12:35 PM, Thomas Garnier <thgarnie@xxxxxxxxxx> wrote:
[...]
> > re-used on slab creation for performance.  
> 
> I'd like to see some benchmark results for this so the Kconfig can
> include the performance characteristics. I recommend using hackbench
> and kernel build times with a before/after comparison.
> 

It looks like it only happens on init, right? (Thus must bench tools
might not be the right choice).

My slab tools for benchmarking the fastpath is here:
 https://github.com/netoptimizer/prototype-kernel/blob/master/kernel/mm/slab_bulk_test01.c

And I also carry a version of Christoph's slab bench tool:
 https://github.com/netoptimizer/prototype-kernel/blob/master/kernel/mm/slab_test.c

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  Author of http://www.iptv-analyzer.org
  LinkedIn: http://www.linkedin.com/in/brouer

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]