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tools/create-image.sh: add a new option seek

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The usage of current create-image.sh:

    ```
    ./create-image.sh -d=stretch -f=minimal --add-perf

    The options are in the following:

    -d, --distribution         Set on which debian distribution to create
    -f, --feature              Check what packages to install in the image, options are minimal, full
    -s, --seek                 Image size (MB), default 2048 (2G)
    -p, --add-perf             Add perf support with this option enabled

    The default image size may too small (2G) in some debugging scenarios, so change it to configurable.
This commit is contained in:
Zwb 2019-10-15 06:01:06 -04:00 committed by Dmitry Vyukov
parent 05ad729222
commit b5268b89c2
3 changed files with 9 additions and 1 deletions
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1
AUTHORS
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@ -36,3 +36,4 @@ Mellanox Technologies
Cody Holliday
JinWoo Lee
Andrew Turner
Ethercflow

1
CONTRIBUTORS
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@ -51,3 +51,4 @@ Mellanox Technologies
Cody Holliday
JinWoo Lee
Andrew Turner
Ethercflow

8
tools/create-image.sh
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@ -18,6 +18,7 @@ fi
# Variables affected by options
RELEASE=stretch
FEATURE=minimal
SEEK=2047
PERF=false
# Display help function
@ -26,6 +27,7 @@ display_help() {
echo
echo " -d, --distribution Set on which debian distribution to create"
echo " -f, --feature Check what packages to install in the image, options are minimal, full"
echo " -s, --size Image size (MB), default 2048 (2G)"
echo " -h, --help Display help message"
echo " -p, --add-perf Add perf support with this option enabled. Please set envrionment variable \$KERNEL at first"
echo
@ -49,6 +51,10 @@ while true; do
FEATURE=$2
shift 2
;;
-s | --seek)
SEEK=$(($2 - 1))
shift 2
;;
-p | --add-perf)
PERF=true
shift 1
@ -113,7 +119,7 @@ if [ $PERF = "true" ]; then
fi
# Build a disk image
dd if=/dev/zero of=$RELEASE.img bs=1M seek=2047 count=1
dd if=/dev/zero of=$RELEASE.img bs=1M seek=$SEEK count=1
sudo mkfs.ext4 -F $RELEASE.img
sudo mkdir -p /mnt/$DIR
sudo mount -o loop $RELEASE.img /mnt/$DIR