Hi Yongbing, Thanks very much. However, the problem for me now is still the huge differences between the gem5 results and development board results, such as MPKI of I/DCache. Did you try to find the reason why there are so huge differences between the simulator and the real data? Thanks very much.
On Mon, Dec 30, 2013 at 10:15 PM, huangyongbing <[email protected]>wrote: > Hi Peng, > > > > In the AsimBench (renamed as Moby now) image provided by me, > there is a rcS file named arm_ckpt_asim.rcS. You can use this file to > create the checkpoint. > > > > Best regards, > > Yongbing Huang > > > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Peng Wei > *Sent:* Tuesday, December 31, 2013 1:09 PM > *To:* gem5 users mailing list > *Subject:* Re: [gem5-users] Problem about Create Checkpoint > > > > Hi Tod, > > > > Thank you for your reply. However, I didn't catch your point very well. > > > > Firstly, I ran a command in order to create a checkpoint: > > > > ./build/ARM/gem5.opt configs/example/fs.py --num-cpus=4 > --kernel=vmlinux.smp.ics.arm.asimbench.2.6.35 > --disk-image=ARMv7a-ICS-Android.SMP.Asimbench-v3.img --mem-size=256MB > --script=../gem5-stable/system_images/asimbench_boot_scripts/*mixture.rcS* > > > > The mixture.rCS includes the "sleep 600; /skin/m5 checkpoint; /skin/m5 > exit" > > > > This step ran correctly and created a checkpoint. > > > > The problem is the second step: > > > > ./build/ARM/gem5.opt configs/example/fs.py --num-cpus=4 > --kernel=vmlinux.smp.ics.arm.asimbench.2.6.35 > --disk-image=ARMv7a-ICS-Android.SMP.Asimbench-v3.img --mem-size=256MB > --script=../gem5-stable/system_images/asimbench_boot_scripts/*adobe.rCS > -r 1* > > > > *My objective is to restore from the checkpoint I created and run new rCS > file. However, no matter what the new rCS file is, the execution of gem5 > finishes in seconds.* > > > > *Could you briefly explain what the mechanism of checkpoint restore is, > and what will happen when I use one rCS file (mixture.rCS) to create a > checkpoint and restore it to run another rCS file (adobe.rCS)?* > > > > Thank very much > > > > On Mon, Dec 30, 2013 at 4:16 AM, Tod <[email protected]> wrote: > > 'sleep 10' would be enough. > > Then you say the simulator to create the checkpoint, i.e., 'm5 > checkpoint'. Over here it creates the checkpoint. > > When you restore from the checkpoint the same script is there and the next > command is there to be executed, i.e., 'm5 exit'. > > i.e., your script says that after the checkpoint restore do exit. Which > should take seconds :) > > > > --------- 원본 메일 --------- > > *보낸사람*: Peng Wei <[email protected]> > *받는사람* : [email protected] > *날짜*: 2013년 12월 30일 월요일, 21시 02분 57초 +0900 > *제목*: [gem5-users] Problem about Create Checkpoint > > > > Hi there, > > > > I tried to create a checkpoint in gem5 ARM full system mode, but it had > been created successfully but cannot be used correctly. > > > > I used default CPU mode, 4 core, no caches, and use an .rCS file like this: > > > > sleep 600 > > /sbin/m5 checkpoint > > /sbin/m5 exit > > > > I would like to wait 10 minutes to let the system fully booted and then > create checkpoint and close m5. > > > > However, when I tried to restore the system from that checkpoint, it > always was finished in several seconds and showed that "exit due to m5_exit > instruction received" no matter which CPU mode or which rCS file I used. > > > > Could anybody help me fix it? I suspend that it is likely that my script > used to create the checkpoint was problematic, but it is so easy that I > don't know what is the problem. > > > > Thanks very much. > > > > > > _______________________________________________ > gem5-users mailing list > [email protected]<http://hanmail/mail/[email protected]> > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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