On Wed, 17 Oct 2012, Jinchun Kim wrote:
Hi, everyone.
When I did simulation using fs.py, without ruby, I found that stats.out
file includes simulation results about itb_walker_cache and dtb_walker_cahe.
From config.ini file, I also found that they are implemented as private
split L1 caches, which have 8K bytes size.
However, when I did simulation with ruby_fs.py, there wasn't any
information about itb_walker_cache or dtb_walker_cache in stats.out file.
I know that cache related data is delivered to ruby.stats, but I can't find
anything relevant to these caches.
In addition, config.ini file doesn't have any information about
itb_walker_cache and dtb_walker_cache.
Is that mean ruby doesn't make itb and dtb walker caches? (Or am I missing
something..?)
As per my understanding, you are right. Ruby does not create separate itb
and dtb walker caches. The L1 cache it self is used for storing page table
information.
--
Nilay
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