Hi Pouya and Jason,
Yes the binary is present.
My question is it necessary to run the binary after the checkpoint command
that is after “/sbin/m5 checkpoint”
And if yes why?

On Fri, Aug 30, 2019 at 12:30 PM Pouya Fotouhi <[email protected]> wrote:

> Hi Abhishek,
>
> Do you have your binary (hello_world) on your disk image? To be more
> precise, was the binary on the disk image when you took the checkpoint?
>
> Best,
>
> On Fri, Aug 30, 2019 at 8:26 AM Abhishek Singh <
> [email protected]> wrote:
>
>> Hello Everyone,
>>
>> I have created the checkpoint for booting up Linux image.
>> My command line is
>> """
>>
>> build/X86/gem5.opt
>> --outdir=/home/abs218/gem5_dir_local/gem5_bl_fs/common_checkpoint_chkpt
>> --stats-file=common_checkpoint_chkpt.simout
>> --dump-config=common_checkpoint_chkpt.ini --redirect-stderr
>> --stderr-file=common_checkpoint_chkpt.e configs/example/fs.py
>> --checkpoint-dir=/home/abs218/gem5_dir_local/gem5_bl_fs/common_checkpoint_chkpt
>> --disk-image=/home/abs218/gem5_dir_local/gem5_bl_fs/intel.img
>> --kernel=/home/abs218/new_fs/gem5/linux-4.8.13/vmlinux
>> --script=./common_checkpoint.rcS --caches --l2cache
>>
>>
>> """
>>
>> my common_checkpoint.rcS is
>>
>> """
>>
>> #!/bin/sh
>>
>> /sbin/m5 checkpoint
>>
>> echo "Done :D"
>>
>> /sbin/m5 exit
>>
>>
>> """
>>
>> I wanted to use this checkpoint and try to run a hello_world benchmark.
>> So I modify my common_checkpoint.rcS script to
>> """
>>
>> #!/bin/sh
>>
>> ./hello_world
>>
>> echo "Done :D"
>>
>> /sbin/m5 exit
>>
>> """
>> And my gem5 command line is
>> """
>> ./build/X86/gem5.opt
>> --outdir=/home/abs218/gem5_dir_local/gem5_bl_fs/common_checkpoint_chkpt
>> --stats-file=common_checkpoint_chkpt_restore.simout
>> --dump-config=common_checkpoint_chkpt_restore.ini configs/example/fs.py
>> --checkpoint-restore=1
>> --checkpoint-dir=/home/abs218/gem5_dir_local/gem5_bl_fs/common_checkpoint_chkpt
>> --restore-with-cpu=AtomicSimpleCPU --cpu-type=DerivO3CPU --caches --l2cache
>> --disk-image=/home/abs218/gem5_dir_local/gem5_bl_fs/intel.img
>> --kernel=/home/abs218/new_fs/gem5/linux-4.8.13/vmlinux
>> --script=./common_checkpoint.rcS
>> """
>> But my "system.pc.com_1.device" output after restoring  is
>> ""
>>
>> Done :D
>> ""
>> That is, it did not run the hello_world program!
>>
>> I have made no changes to gem5, the commit I am using is "
>> 2a98a994df296f818b05da90ba073d879562da04"
>>
>>
>> My question is:
>> Is it not possible to create a common checkpoint and then run the
>> benchmark using that checkpoint?
>> Are my steps incorrect to create or restore from the checkpoint?
>>
>>
>>
>>
>> Best regards,
>>
>> Abhishek
>>
> _______________________________________________
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>> [email protected]
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>
>
>
> --
> Pouya Fotouhi
> PhD Candidate
> Department of Electrical and Computer Engineering
> University of California, Davis
> _______________________________________________
> gem5-users mailing list
> [email protected]
> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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