Update disk image source to addhypercall and gem5bridge-driver
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- This commit updates the serial-getty service file to override only the service section with autologin instead of the entire file.
- This change should speed up boot time that is caused in gem5 due to low system entropy
- Update comments explaining the reason for increasing entropy
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I have updated source for the NPB disk image to use hypercalls. I tested the NPB disk images on the staging branch for release 24.1.1. I was able to successfully run NPB benchmarks without using |
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TODO: I need to changes the link and the |
| make -j 32 && \ | ||
| make INSTALL_MOD_PATH=/workspace/output modules_install | ||
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| RUN git clone https://github.com/gem5/gem5.git --depth=1 --filter=blob:none --no-checkout --sparse --single-branch --branch=release-staging-v24-1-1-0 && \ |
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Once the minor release staging branch is merged gem5 v25.0 is released, remember to change this to stable.
src/ubuntu-generic-diskimages/kernel-and-modules/arm-ubuntu-22.04/Dockerfile
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| make -j $(nproc) && \ | ||
| make INSTALL_MOD_PATH=/workspace/output modules_install | ||
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| RUN git clone https://github.com/gem5/gem5.git --depth=1 --filter=blob:none --no-checkout --sparse --single-branch --branch=release-staging-v24-1-1-0 && \ |
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Once the minor release staging branch is merged gem5 v25.0 is released, remember to change this to stable.
| --file "$DOCKERFILE" \ | ||
| --output "$OUTPUT" . | ||
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| echo "Build completed for $1: Output directory is $OUTPUT" |
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Right now, this message is printed even if the build fails. It would be nice if a different message could be printed for a failure, but it's not high priority.
| --file "$DOCKERFILE" \ | ||
| --output "$OUTPUT" . | ||
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| echo "Build completed for $1: Output directory is $OUTPUT" |
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Right now, this message is printed even if the build fails. It would be nice if a different message could be printed for a failure, but it's not high priority.
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| echo "Build completed for $1: Output directory is $OUTPUT" | |
| if [ $? -eq 0]; | |
| then | |
| echo "Build completed for $1: Output directory is $OUTPUT" | |
| else | |
| echo "Build failed for $1" | |
| fi |
This message could be modified to print different messages based on build failure/success. I haven't tested this code snippet, so please test it if you want to incorporate it into the script
| } | ||
| ``` | ||
| ``` | ||
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| If you need to increase the size of the image when adding more libraries and files to the image update the size of the partition in the respective `http/*/user-data` file. Also, update the `disk_size` parameter in `post-installation.sh` to be at least one mega byte more than the size you defined in the `user-data` file. | ||
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| **NOTE:** You can extend this disk image by modifying the `post-installation.sh` script, but it requires building the image from scratch. | ||
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| To take a pre-built image and add new files or packages, take a look at the following [documentation](https://www.gem5.org/documentation/gem5-stdlib/extending-disk-images). |
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| memory = "8192" | ||
| output_directory = "disk-image-arm-npb" | ||
| output_directory = "disk-image-arm-npb-test" |
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Is this rename meant to be in the final version?
| --file "$DOCKERFILE" \ | ||
| --output "$OUTPUT" . | ||
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| echo "Build completed for $1: Output directory is $OUTPUT" |
There was a problem hiding this comment.
| echo "Build completed for $1: Output directory is $OUTPUT" | |
| if [ $? -eq 0]; | |
| then | |
| echo "Build completed for $1: Output directory is $OUTPUT" | |
| else | |
| echo "Build failed for $1" | |
| fi |
This message could be modified to print different messages based on build failure/success. I haven't tested this code snippet, so please test it if you want to incorporate it into the script
| --file "$DOCKERFILE" \ | ||
| --output "$OUTPUT" . | ||
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||
| echo "Build completed for $1: Output directory is $OUTPUT" |
There was a problem hiding this comment.
| echo "Build completed for $1: Output directory is $OUTPUT" | |
| if [ $? -eq 0]; | |
| then | |
| echo "Build completed for $1: Output directory is $OUTPUT" | |
| else | |
| echo "Build failed for $1" | |
| fi |
This message could be modified to print different messages based on build failure/success. I haven't tested this code snippet, so please test it if you want to incorporate it into the script
| # Installing the packages in this script instead of the user-data | ||
| # file dueing ubuntu autoinstall. The reason is that sometimes | ||
| # the package install failes. This method is more reliable. |
| fi | ||
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| # Just get the files we need | ||
| git clone https://github.com/gem5/gem5.git --depth=1 --filter=blob:none --no-checkout --sparse --single-branch --branch=release-staging-v24-1-1-0 |
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Once gem5 v25.0 is released, remember to change this to stable
| ## Disk Image | ||
| After building the Dockerfile, you can retrieve the kernel and modules on your host using the `copy_modules_to_host.sh` script. | ||
| - **`scripts/`**: Contains scripts that run on the disk image after installation. | ||
| - **`disable-network.sh`**: Disables networking by renaming the Netplan configuration file (`.yaml` → `.yaml.bak`) and disabling network services in systemd. Disabling network decreases boot time by removing the 2 minute wait for network service to get online in systemd. |
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Might be good to clarify that the 2 minute wait is in simulation time, not wall-clock time.
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