Linux 2.6.x on 8xx status

Dan Malek dan at embeddededge.com
Wed Mar 23 07:57:08 EST 2005


On Mar 22, 2005, at 8:04 AM, Marcelo Tosatti wrote:

> I'm quite puzzled. Why v2.6 calls the "tlbie" instruction 100-or-so
> less times than v2.4 ?

Oh my ...  I'm more worried about the high number of TLB misses
in 2.6 compared to 2.4.  That's really bad.  How did you instrument
the tlbie measurement?  It could be that 2.4 used lots more 'tlbia'
which were replaced by tlbie in 2.6.

Thanks.


	-- Dan




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