hi,
I recently started using M5 for my project to analyze the L2 cache-hit
ratio for barnes-hut application on a quad-core(future goal, currently
trying with dual-core).
I am presently using the following configuration:
- ALPHA_FS/m5.fast
- A dual-core timing CPU(--num_cpus=2 -t) with private L1(d & i) caches &
a shared L2 cache( --caches --l2cache)
- compiler & linux-system stuff put up on m5sim.org
I got the system configuration up & running, and now the problem is I am not
able to interpret the stats.txt file from M5. I specifically need to extract
the L2 cache-hit ratio. So should i be looking at
> L2 hit ratio = system.l2.ReadReq_hits::total /
> system.l2.ReadReq_accesses::total
or
> L2 hit ratio = system.l2.overall_hits::total /
> system.l2.overall_accesses::total
?
It 'll be greatly helpful if someone can point me to the documentation
page(if any) that describes the different parameters in the stats.txt file.
Thanks,
Phani.
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