[gem5-users] Strange: Cache data not maintained in gem5

2018-08-21 Thread Muhammad Avais
Dear All, I was tracking zero blocks (64B 0 value) written to cache. During experiments, i found that cache block does not hold data sometimes. To some cache lines non-zero block is written to cache line from lower level memory but this data is read as Zero block during access by upp

[gem5-users] no workload specified

2018-08-21 Thread Parmida Vahdatnia
Hello I've been using -c to give workloads to my cpus in a xy_mesh on gem5 in the command line, I decided to change the hard code for doing the same thing to see what will happen so I did this to se.py: (I commented the workload part and replaced it with my own) I was expecting to either get som

[gem5-users] Do I have to use Full System Mode after adding a new device on gem5

2018-08-21 Thread 王 立敏
Dear All, I'm trying to add a ORAM module to gem5,it would modify the address from cpu to memory. After reading the introduction about how to add a device named HelloDevice to gem5 in ASPLOS 2008 tutorial, I am still confused that if I add a new device to gem5, do I have to use Full Sy

[gem5-users] Create Checkpoint

2018-08-21 Thread Yunxia Zhu
Hello everyone, I want to create a checkpoint to speed up startup of the gem5 OS, but I have some doubts. 1. When I search it online, someone use gem5.gpu to create checkpoint. What is the difference between gem5 and gem5-gpu? In my opinion they are different simulators. 2. After checking some do

[gem5-users] serial8250: too much work for irq4

2018-08-21 Thread Ashok Sathyan
Dear all, While running FS mode for x86 system and default scripts and image available in gem5 website, I'm getting the following message in terminal "serial8250: too much work for irq4". What is the issue and should I be worried about it. Thanks for your time -- Regards, Ashok Sathyan

Re: [gem5-users] serial8250: too much work for irq4

2018-08-21 Thread Jason Lowe-Power
Hi Ashok, This isn't an error, just information. It's coming from the serial emulator saying there may be issues with the output from the serial port (e.g., into m5out/system_terminal_whatever). Jason On Tue, Aug 21, 2018 at 7:54 AM Ashok Sathyan wrote: > Dear all, > > While running FS mode fo

Re: [gem5-users] Create Checkpoint

2018-08-21 Thread Serhat Gesoglu
Hello, gem5-gpu is the combination of gem5 and gpgpu-sim. You may find more information here: https://gem5-gpu.cs.wisc.edu/wiki/ If you are not planning to simulate gpus sticking to gem5 might be a better idea. To create checkpoints you have two options. One is the command line option "--check

Re: [gem5-users] Create Checkpoint

2018-08-21 Thread Ciro Santilli
The most common way to create a checkpoint is `m5 checkpoint`, and the most common way to restore it with `fs.py` is `fs.py -r 1`. Further info at: https://github.com/cirosantilli/linux-kernel-module-cheat/tree/72e135d2b290d8bc5cd584b8acac828ae5e71eea#gem5-checkpoint On Tue, Aug 21, 2018 at 3:46

[gem5-users] gem5 Compute GPU model

2018-08-21 Thread Trinayan Baruah
Hi, In the wiki page for the gem5 AMD GPU model it mentions that the simulator supports https://github.com/AMDComputeLibraries/ComputeApps apps. I tried to run a couple of apps there and they all had the same error. Basically I built the model as instructed and then did something like this. ./