Hi Andreas,
I have tried to do that, but then I run in an other problem: the root
section in my checkpoints is empty, so there is no isa option and the
script crashes in the from_0 function. So I think the whole section has
to be filled before processing the file.
Unfortunately, I don't know how to infer the isa for which the
checkpoint has been created.
Thanks,
Nathanaël
Le 23/10/2012 15:31, Andreas Hansson a écrit :
Hi Nathanaël,
I am temtped to say, add it manually. We could always tweak the
cpt_upgrade.py script to assume 0 in the case of no version number being
present (feel free to post a patch :).
Andreas
On 23/10/2012 14:26, "Nathanaël Prémillieu"
<nathanael.premill...@irisa.fr> wrote:
Hi all,
Since a long time ago, I have this message when I run my simulation with
restoring from the checkpoints I have taken (also a long time ago):
warn: !!!! Checkpoint ver 0 is older than current ver 0x1 !!!!
warn: You might experience some issues when restoring and should run the
checkpoint upgrader (util/cpt_upgrade.py) on your checkpoint
The fist time I saw that message, I tried to run cpt_upgrade.py, but the
script was saying that it couldn't find the version number of my
checkpoint. As the checkpoint was still working, I didn't mind at time.
But recently, I have upgraded my version of gem5, and now my checkpoints
don't work any more. It seems it's because of the new version (v 2) of
the checkpoint system.
After a little bit of digging, it seems that my checkpoint are so old
that no version information is written in it, so the cpt_upgrade.py
script is unable to upgrade my checkpoint.
Do I need to add it manually or is there a nicer way (and more
automatic) way of doing it?
Thanks,
Nathanaël
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