[26-devel] v2.6 performance slowdown on MPC8xx: Measuring TLB cache misses

Marcelo Tosatti marcelo.tosatti at cyclades.com
Sat Apr 23 22:42:45 EST 2005

Hi Joakim,

On Sat, Apr 23, 2005 at 07:23:51PM +0200, Joakim Tjernlund wrote:
> > Now, what is the best way to bring the performance back to v2.4 levels? 
> > 
> > For this "dd" test, which is dominated by "sys_read/sys_write", I thought 
> > of trying to bring the hotpath functions into the same pages, thus
> > decreasing the number of page translations required for such tasks.
> > 
> > Comments are appreciated
> Does CONFIG_PIN_TLB make a difference?

No it does not. 

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