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New configuration script for component models
Simple configuration script that leverages the gem5 component models. - Upgrade to gem5 v24 - New gem5init which works also for arm Signed-off-by: David Schall <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,70 +1,68 @@ | ||
| #!/bin/bash - | ||
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| function gem5_run() { | ||
| # ==== | ||
| # gem5 init service | ||
| # ==== | ||
| # | ||
| # Try to read in a run script from the host system. | ||
| # For gem5 use the special magic instruction `m5 readfile` | ||
| # | ||
| /sbin/m5 readfile > /tmp/script | ||
| chmod 755 /tmp/script | ||
| if [ -s /tmp/script ] | ||
| then | ||
| # If there is a script, execute the script and then exit the simulation | ||
| su root -c '/tmp/script' # gives script full privileges as root user in multi-user mode | ||
| sync | ||
| sleep 10 | ||
| /sbin/m5 exit | ||
| else | ||
| echo "No script found" | ||
| fi | ||
| echo "Gem5 init done" | ||
| } | ||
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| function qemu_run() { | ||
| # ==== | ||
| # Qemu run service | ||
| # ==== | ||
| # | ||
| # Try to read in a run script from the host system. | ||
| # For qemu we will try to get the file from an | ||
| # HTTP server running on the host port 3003. | ||
| # | ||
| # | ||
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| curl "http://10.0.2.2:3003/run.sh" -f -o /tmp/script | ||
| chmod 755 /tmp/script | ||
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| if [ 0 -eq $? ]; | ||
| then | ||
| echo "Run script found... run it." | ||
| if [ $(uname -i) == "aarch64" ]; | ||
| then | ||
| echo "On Arm machine" | ||
| M5_ADDR="--addr=0x10010000" | ||
| else | ||
| echo "On x86 machine" | ||
| M5_ADDR=0xffff0000 | ||
| M5_ADDR="" | ||
| fi | ||
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| # If there is a script, execute the script and then shutdown the machine | ||
| su root -c '/tmp/script' # gives script full privileges as root user in multi-user mode | ||
| sync | ||
| sleep 10 | ||
| else | ||
| echo "No script found" | ||
| fi | ||
| } | ||
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| ###################################################### | ||
| # Qemu run service | ||
| # ==== | ||
| # | ||
| # Try to read in a run script from the host system. | ||
| # For qemu we will try to get the file from an | ||
| # HTTP server running on the host port 3003. | ||
| # | ||
| # | ||
| printf "Try QEMU read \n" | ||
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| ## | ||
| ## Check if we are in gem5 or qemu | ||
| ## | ||
| CPU=`cat /proc/cpuinfo | grep vendor_id | head -n 1 | cut -d ' ' -f2-` | ||
| echo "Got CPU type: $CPU" | ||
| curl "http://10.0.2.2:3003/run.sh" -f -o /tmp/script | ||
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| if [ "$CPU" == "M5 Simulator" ]; | ||
| if [ 0 -eq $? ]; | ||
| then | ||
| echo "In gem5. Try loading script" | ||
| gem5_run | ||
| else | ||
| echo "Not in gem5. Try to load script from http server" | ||
| qemu_run | ||
| echo "Found file server in qemu." | ||
| echo "Run script found... run it." | ||
| chmod 755 /tmp/script | ||
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| # If there is a script, execute the script and then shutdown the machine | ||
| /tmp/script || true | ||
| echo "Done running script, exiting." | ||
| rm -f /tmp/script | ||
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| exit 0 | ||
| fi | ||
| exit 0 | ||
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| ###################################################### | ||
| # gem5 init service | ||
| # ==== | ||
| printf "Starting gem5 init... trying to read run script file via readfile.\n" | ||
| # | ||
| # Try to read in a run script from the host system. | ||
| # For gem5 use the special magic instruction `m5 readfile` | ||
| # | ||
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| if m5 $M5_ADDR readfile > /tmp/script; then | ||
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| echo "Run script found... run it." | ||
| chmod 755 /tmp/script | ||
| /tmp/script || true | ||
| echo "Done running script, exiting." | ||
| rm -f /tmp/script | ||
| /sbin/m5 $M5_ADDR exit | ||
| fi | ||
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| rm -f /tmp/script | ||
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| echo "All done, exiting." | ||
| exit 0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| --- | ||
| layout: default | ||
| title: Simple Simulation with gem5 Component Library | ||
| parent: Simulation | ||
| nav_order: 1 | ||
| --- | ||
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| # Simulation Methodology | ||
| {: .no_toc } | ||
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| <details open markdown="block"> | ||
| <summary> | ||
| Table of contents | ||
| </summary> | ||
| {: .text-delta } | ||
| 1. TOC | ||
| {:toc} | ||
| </details> | ||
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| <!-- ## Table of contents | ||
| {: .no_toc .text-delta } | ||
| 1. TOC | ||
| {:toc} --> | ||
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| --- | ||
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| Gem5 offers a wide range of prebuild configurations, aka. standard library, for cpus, boards, caches, etc. To simplify the configuration process we provide a configuration script that is mostly constructed out the component models provided by gem5. This script is called `vswarm_simple.py` and will be copied into your working directory. | ||
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| After installing the functions on the disk you can perform the *setup* step with the following command: | ||
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| ```bash | ||
| <gem5_root>/build/<ALL/X86>/gem5.opt vswarm_simple.py --kernel kernel --disk disk.img --mode setup --atomic-warming=50 --num-invocations=20 | ||
| ``` | ||
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| This will boot the kernel, function, invoke the function for 50 times and then create a checkpoint. The simulation will exit or can be killed otherwise | ||
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| Once the checkpoint is created the simulation can be performed with: | ||
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| ```bash | ||
| <gem5_root>/build/<ALL/X86>/gem5.opt vswarm_simple.py --kernel kernel --disk disk.img --mode evaluation --atomic-warming=50 --num-invocations=20 | ||
| ``` | ||
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| The script was tested with ATOMIC,TIMING and O3 core which can be configured commenting the corresponding lines in the script | ||
| ``` | ||
| eval_core = CPUTypes.<TIMING/ATOMIC/O3> | ||
| ``` |
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