Serhat, I have made it to work with fs.py as you suggested. Thank you for the advice!
Gabe, Thanks for giving me an overall idea. I will need to port this to my own config at some point. As you suggested, I will modify my custom config to handle the checkpoint option. Kleovoulos, Thanks for sharing this with me. I have tried the m5/exit and checkpointing with fs.py. And it works fine!! Thanks a lot. Thanks a lot guys! Regards, Sethu On Tue, Apr 30, 2019 at 6:09 AM Kleovoulos Kalaitzidis < kleovoulos.kalaitzi...@inria.fr> wrote: > Hello, > I have done something similar, taking a checkpoint after booting the > image. However, I use only the "m5 exit" command instead of the "m5 > checkpoint" and I take checkpoints using AtomicSimple and the fs.py. You > can replace "checkpoint" with "exit" to see if it works for your > configuration. In order this to work, you HAVE to use the option > "--checkpoint-at-end" in your gem5 command. You can also specify a path for > the checkpoint output to have a clear result by using > "--checkpoint-dir=PATH_TO_DIR". This way, after booting, gem5 exits and > with the above option a checkpoint is triggered. > > Example .rcS script : > ......... > /sbin/m5 exit > runspec --config=myconfig.cfg --size=test --noreportable --tune=base > --iterations=1 mcf > echo "mcf done!" > /sbin/m5 exit > > After you can restore your checkpoint and continue execution using the > same .rcS script, it will actually continue after the first m5 exit, which > is just after booting. > > Hope it helps, > > -- > Kleovoulos Kalaitzidis > Doctorant - Équipe PACAP > > Centre de recherche INRIA Rennes - Bretagne Atlantique > Bâtiment 12E, Bureau E321, Campus de Beaulieu, > 35042 Rennes Cedex, France > > ------------------------------ > > *From: *"Sethu Jose" <sethuj...@gmail.com> > *To: *"gem5 users mailing list" <gem5-users@gem5.org> > *Sent: *Sunday, April 28, 2019 3:03:52 AM > *Subject: *[gem5-users] On checkpointing while using custom config file > > > Hi, > > I'm trying out X86 full system simulation in GEM5 as explained in the > tutorial found in this link: > http://learning.gem5.org/book/part5/fs_config.html > > I'm doing full system simulation using TimingSimpleCPU with X86. I would > like to take checkpoint once the system has booted up. The command I use to > run the simulation is as follows: > > build/X86/gem5.opt configs/full_system/run.py --script=path/to/script > > With this, the system boots up and executes the script. > > I plan to take checkpoint right after booting up the system. Hence, I have > added the following line to the script: > **************** > echo "Creating checkpoint..." > /sbin/m5 checkpoint > echo "Checkpoint created!" > echo "Started mcf ..." > runspec --config=myconfig.cfg --size=test --noreportable --tune=base > --iterations=1 mcf > echo "mcf done!" > /sbin/m5 exit > **************** > > With this, the simulation exits when running /sbin/m5 stating the exit > cause as checkpoint. However, no checkpoint folders are created in the > working directory. Neither does the restore command work. I have tried take > checkpoint by running /sbin/m5 exit in the booted up system terminal. This > also causes the simulation to exit without creating any checkpoint > folders. > > As I'm new to GEM5, could you please provide any insights on this issue? > Is there any specific code that I need to add to my config file to make it > take checkpoint? > > Thanks in advance for any help. > > Regards, > Sethu > > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users -- Thanks and Regards, Sethu
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