[gem5-users] Why is there different results on the stats.txt output file when compared between gem5.perf of different computers?

I am trying to verify computational load of an LQR code on my UAV project, to do so I am using gem5 to simulate different platforms where the code can run. Trying to verify the reproducibility of the test I compiled gem5.perf which I'm using on two different ubuntu computers and when I run the

Re: [gem5-users] How to collect stats from my benchmark on FS mode

Writing checkpoint Exiting @ tick 1189651167684 because checkpoint Is there any of the checkpoints better suited for simulation or can I use any of them. De: Ciro Santilli Enviado: quinta-feira, 24 de outubro de 2019 03:48 Para: Iago . Cc: gem5 users mailing list

[gem5-users] Any way to confirm my checkpoint is correctly using the HPI cpu model

I have been using gem5 to study a couple control algorithms performances for a future prototype using an ARM board and so I'm trying to use the HPI cpu model but had errors occur when I tried to boot it with more then 1 cpu, so I'm trying to do what I found on the message board of creating a

[gem5-users] Which cpu model to use in FS ARM simulation.

Hello, I've been trying to use gem5 to analyze performance of different control algorithms to be used on an UAV being developed by my project which intends to use its embedded system on an ARM architecture, I would like to know if theres an specific CPU model out of : 'O3_ARM_v7a_3',

Re: [gem5-users] How to collect stats from my benchmark on FS mode

27803b1d6282de#gem5-run-benchmark On Tue, Oct 22, 2019 at 11:52 PM Iago . wrote: > > I have been trying to use gem5 to analyze the performance of different > control algorithms of an UAV. Using the full system mode simulation for that > with an ARM image I would like to know if there

Re: [gem5-users] How to collect stats from my benchmark on FS mode

|sh) only changing from 0.0025 to around 0.0026. I do agree that making these tests reproducible is very important. Thanks for the help again De: Ciro Santilli Enviado: quarta-feira, 23 de outubro de 2019 17:32 Para: Iago . Cc: gem5 users mailing list Assunto

[gem5-users] Difference in results using hack_back_ckpt.rcS or manual checkpoint

I am trying to determine control algorithms for an UAV performances using gem5 and have a question regarding the scripts. I have tried running my pre cross-compiled control binary in two different ways: 1º: -Launching the gem5 simulation and waiting for terminal input -creating a manual

Re: [gem5-users] Do I need to re-create checkpoints if I change the CPU model parameters

can even checkpoint from completely different CPUs such at Atomic and restore to HPI, I would expect that such HPI changes will also magically just work. From: gem5-users on behalf of Iago . Sent: Friday, October 25, 2019 5:22 PM To: gem5-users@gem5.org Subject

[gem5-users] Aborted (core dumped) When trying to run HPI full system simulation with 4 cores

I sucessfully booted the simulation with HPI cpu model with one core but whenever I try to run it with 4 I get an error. panic: panic condition (pkt->needsWritable() != pkt->isInvalidate()) && !pkt->req->isCacheMaintenance() occurred: global got snoop WriteReq [80945000:80945003] UC where

[gem5-users] Do I need to re-create checkpoints if I change the CPU model parameters

I have been trying to use HPI cpu model in my control algorithm performance study and searching for more info on it I found that the default HPI parameters set the l1 cache latency to 1 which seems to be very low, If I already created checkpoints with this CPU model can i just alter the

[gem5-users] How to collect stats from my benchmark on FS mode

I have been trying to use gem5 to analyze the performance of different control algorithms of an UAV. Using the full system mode simulation for that with an ARM image I would like to know if theres a way to write a script where I run my cross-compiled binary already moved to the system image and

[gem5-users] IOError: Can't find file 'boot.arm64' on M5_PATH.

I've been trying to reproduce somes tests I've done on the end of last year now on a new machine, but I've been getting this errors while trying to do a Full-System Mode simulation with the ARM FS files aarch-system-20180409.tar.xz. The system files ive been trying to use are as follow:

[gem5-users] Kernel Panic in FS ARM simulation

I've been trying to make some simulations with the files available at m5 website called aarch-system-20180409.tar.xz and been getting the following error during full system emulation, the kernel and disk images used are as follow: --disk-image=linaro-minimal-aarch64.img

[gem5-users] How to attach second image to full system emulation.

: disk = CowIdeDisk(driveID='master') disk.childImage(disk_path); disks.append(disk) return disks changing the childimage line to : disk.childImage('/home/iago/fs/disks/workloads.img'); But ive been getting kernel panics on my simulation. Thanks in advance

Re: [gem5-users] Kernel Panic in FS ARM simulation

04 sda [0.705013] driver: sd Just run simulation with the --root=/dev/sda option and let me know if it works Giacomo From: gem5-users on behalf of Iago . Sent: 07 February 2020 06:34 To: gem5-users@gem5.org Subject: [gem5-users] Kernel Panic in FS ARM s

[gem5-users] Additional simulation data in stats.txt

I've been using gem5 to analyze control algorithms performance but lately I realized that whenever I use my checkpoint created through the hackback script, which from my understanding is meant to create a checkpoint before user space programs are initialized, and using the following script :

[gem5-users] RAM Utilization data in stats.txt

I've been using gem5 to analyze control algorithms performance with the following models: ISA: ARM CPU Model: HPI Memory Model: Classic gem5 binary: gem5.fast And I would like to extract from the stats file the RAM occupancy during loops of program execution, but all I could find related to