add io_test.sh

1 files changed, 105 insertions, 0 deletions

diff --git a/dev-tools/io_test.sh b/dev-tools/io_test.sh
new file mode 100755
index 00000000..d511ee86
--- /dev/null
+++ b/dev-tools/io_test.sh
@@ -0,0 +1,105 @@
+#image="$(realpath "$1")"
+image="/home/h4ct1c/git/masterteamprojekt/dnbd3_images/archLinux/archLinux.vdi.r10"
+test_directory=/tmp/performance_test
+[ ! -z $2 ] && test_directory="$2"
+
+image_directory="$(dirname "$image")"
+dnbd3_rootfs_directory="../builder/dnbd3-rootfs"
+log_directory="./io_test_logs"
+mountpoint_xmount="${test_directory}/mnt_xmount"
+mountpoint="${test_directory}/mnt"
+
+
+source ${dnbd3_rootfs_directory}/scripts/build.sh
+
+if [[ ! -d "$test_directory" ]]; then
+    mkdir "$test_directory"
+    mkdir "$mountpoint_xmount"
+    mkdir "$mountpoint"
+    mkdir "$log_directory"
+
+    build_clean_xmount ${dnbd3_rootfs_directory}/binaries/xmount
+    build_clean_qemu_xmount ${dnbd3_rootfs_directory}/binaries/qemu-xmount
+
+    build_compile_xmount ${dnbd3_rootfs_directory}/binaries/xmount \
+        "/" "${test_directory}/xmount"
+    build_compile_qemu_xmount ${dnbd3_rootfs_directory}/binaries/qemu-xmount \
+        "${test_directory}/xmount"
+    cp ${dnbd3_rootfs_directory}/binaries/qemu-xmount/libxmount_input_qemu.so \
+        "${test_directory}/xmount/lib/xmount/"
+fi
+
+pushd "$log_directory"
+
+dd_test() {
+    local device="$1"
+    size_in_megabyte="$2"
+    dd if="$device" of=/dev/null \
+        bs="$size_in_megabyte"M count=1\
+        iflag=direct \
+        2>&1 | grep bytes
+}
+fio_test() {
+    local device="$1"
+    shift
+    local name="$1"
+    shift
+    fio --readonly --name=hans --direct=1 --write_bw_log="$name" \
+       --size=2G --filename="$device" $@
+}
+test_device() {
+    local device="$1"
+    local name="$2"
+    echo
+
+    #echo "-------------- $2 read test (dd)"
+    #dd_test "$device" 1000
+
+    #echo "-------------- $2 read test (fio)"
+    #fio_test "$device" "$name" --rw=read
+
+    echo "-------------- $2 read test (fio random read)"
+    fio_test "$device" "${name}.rand" --rw=randread
+
+    #echo "-------------- $2 read test (fio random read libaio)"
+    #fio_test "$device" "${name}.rand,libaio" --rw=randread --ioengine=libaio
+
+    #echo "-------------- $2 read test (find)"
+    #mount -o ro "$device"p2 "$mountpoint"
+    #(time find "$mountpoint" 1>/dev/null) 2>&1 | grep -E 'user|sys'
+    #umount "$mountpoint"
+}
+test_qemu() {
+    # qemu-nbd test (no cache)
+    modprobe nbd max_part=16
+    qemu-nbd --connect=/dev/nbd0 --read-only --persistent --nocache "$image"
+    #ln -s /dev/nbd0 "$image" # device as file (for dnbd3)
+    test_device "/dev/nbd0" "qemu-nbd (nocache)"
+    # qemu-nbd teardown
+    qemu-nbd -d /dev/nbd0 >/dev/null # disconnect
+
+    # qemu-nbd test
+    qemu-nbd --connect=/dev/nbd0 --read-only --persistent "$image"
+    test_device "/dev/nbd0" "qemu-nbd"
+    # qemu-nbd teardown
+    qemu-nbd -d /dev/nbd0 >/dev/null # disconnect
+}
+
+test_xmount() {
+    #xmount test
+    ${test_directory}/xmount/bin/xmount --in qemu "$image" \
+        --out raw "${mountpoint_xmount}"
+    loop_device="$(losetup -f)"
+    losetup "$loop_device" "${mountpoint_xmount}"/*.dd --partscan
+    test_device "$loop_device" "xmount"
+
+    # xmount teardown
+    losetup -d "$loop_device"
+    umount "$mountpoint_xmount"
+}
+
+test_qemu
+test_xmount
+chown $(who | awk '{print $1}') *.log
+fio2gnuplot -b -g
+popd