[gem5-users] Understanding the dcache.overall_miss_rate in stat.txt

[Si Chen]

Hi all,

I am running bbench on arm detailed mode. But I have some trouble of 
understanding the stat results. I found that there are five different values in 
the stat for the dcache.overall_miss_rate.

system.cpu.dcache.overall_miss_rate::switch_cpus.data     0.163675              
         # miss rate for overall accesses
system.cpu.dcache.overall_miss_rate::cpu.data     0.333333                      
 # miss rate for overall accesses
system.cpu.dcache.overall_miss_rate::total     0.163678                       # 
miss rate for overall accesses
system.cpu.dcache.overall_miss_rate::switch_cpus.data     0.065822              
         # miss rate for overall accesses
system.cpu.dcache.overall_miss_rate::total     0.065822                       # 
miss rate for overall accesses

What is the difference between them? Which one should I refer to as the overall 
miss rate? Why there are two entirely different total dcache.overall_miss_rate?

Thanks,
Si

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