Hello,
I'm currently attempting to perform a full-system simulation using M5's
Sampler feature. I receive the following output after issuing "m5
switchcpu" at the command prompt:
m5.opt: m5/cpu/simple/cpu.cc:806: void SimpleCPU::tick(): Assertion
`status() == Running || status() == Idle || status() == DcacheMissStall'
failed.
Program aborted at cycle 3967324804
The simulator is launched within m5/configs/fullsys using:
SYSTEM=Sampler MEMORY=STX NUMCPUS=4 [...] m5.opt run.py
Next, I'm not entirely clear about how the period parameter (periods =
[1e10, 200e6]) works. Am I correct to assume that the first value (in
time/ticks/??) represents the delay until the first switch to detailed
mode takes place? If so, how can I obtain a more accurate value? For
example, when set at the default value, 1e9, the simulator essentially
stalls before the CLI appears.
Finally, can anyone comment on the differences between CacheCPU and
DetailedCPU?
Thanks, your help is much appreciated.
Edmond
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