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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/zstd/contrib/linux-kernel/btrfs-extract-benchmark.sh | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/zstd/contrib/linux-kernel/btrfs-extract-benchmark.sh')
-rwxr-xr-x | src/zstd/contrib/linux-kernel/btrfs-extract-benchmark.sh | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/zstd/contrib/linux-kernel/btrfs-extract-benchmark.sh b/src/zstd/contrib/linux-kernel/btrfs-extract-benchmark.sh new file mode 100755 index 000000000..69721d093 --- /dev/null +++ b/src/zstd/contrib/linux-kernel/btrfs-extract-benchmark.sh @@ -0,0 +1,99 @@ +# !/bin/sh +set -e + +# Benchmarks run on a Ubuntu 14.04 VM with 2 cores and 4 GiB of RAM. +# The VM is running on a Macbook Pro with a 3.1 GHz Intel Core i7 processor and +# 16 GB of RAM and an SSD. + +# silesia is a directory that can be downloaded from +# http://mattmahoney.net/dc/silesia.html +# ls -l silesia/ +# total 203M +# -rwxr-xr-x 1 terrelln 9.8M Apr 12 2002 dickens +# -rwxr-xr-x 1 terrelln 49M May 31 2002 mozilla +# -rwxr-xr-x 1 terrelln 9.6M Mar 20 2003 mr +# -rwxr-xr-x 1 terrelln 32M Apr 2 2002 nci +# -rwxr-xr-x 1 terrelln 5.9M Jul 4 2002 ooffice +# -rwxr-xr-x 1 terrelln 9.7M Apr 11 2002 osdb +# -rwxr-xr-x 1 terrelln 6.4M Apr 2 2002 reymont +# -rwxr-xr-x 1 terrelln 21M Mar 25 2002 samba +# -rwxr-xr-x 1 terrelln 7.0M Mar 24 2002 sao +# -rwxr-xr-x 1 terrelln 40M Mar 25 2002 webster +# -rwxr-xr-x 1 terrelln 8.1M Apr 4 2002 x-ray +# -rwxr-xr-x 1 terrelln 5.1M Nov 30 2000 xml + +# $HOME is on a ext4 filesystem +BENCHMARK_FILE="linux-4.11.6.tar" +BENCHMARK_DIR="$HOME/$BENCHMARK_FILE" + +# Normalize the environment +sudo umount /mnt/btrfs 2> /dev/null > /dev/null || true +sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs +sudo rm -rf /mnt/btrfs/* +sync +sudo umount /mnt/btrfs +sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs + +# Run the benchmark +echo "Copy" +time sh -c "sudo cp -r $BENCHMARK_DIR /mnt/btrfs/$BENCHMARK_FILE && sync" + +echo "Approximate tarred compression ratio" +printf "%d / %d\n" \ + $(df /mnt/btrfs --output=used -B 1 | tail -n 1) \ + $(sudo du /mnt/btrfs -b -d 0 | tr '\t' '\n' | head -n 1); + +# Unmount and remount to avoid any caching +sudo umount /mnt/btrfs +sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs + +echo "Extract" +time sh -c "sudo tar -C /mnt/btrfs -xf /mnt/btrfs/$BENCHMARK_FILE && sync" + +# Remove the tarball, leaving only the extracted data +sudo rm /mnt/btrfs/$BENCHMARK_FILE +# Unmount and remount to avoid any caching +sudo umount /mnt/btrfs +sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs + +echo "Approximate extracted compression ratio" +printf "%d / %d\n" \ + $(df /mnt/btrfs --output=used -B 1 | tail -n 1) \ + $(sudo du /mnt/btrfs -b -d 0 | tr '\t' '\n' | head -n 1); + +echo "Read" +time sudo tar -c /mnt/btrfs 2> /dev/null | wc -c > /dev/null + +sudo rm -rf /mnt/btrfs/* +sudo umount /mnt/btrfs + +# Run for each of -o compress-force={none, lzo, zlib, zstd} 5 times and take the +# min time and ratio. + +# none +# copy: 0.981 s +# extract: 5.501 s +# read: 8.807 s +# tarball ratio: 0.97 +# extracted ratio: 0.78 + +# lzo +# copy: 1.631 s +# extract: 8.458 s +# read: 8.585 s +# tarball ratio: 2.06 +# extracted ratio: 1.38 + +# zlib +# copy: 7.750 s +# extract: 21.544 s +# read: 11.744 s +# tarball ratio : 3.40 +# extracted ratio: 1.86 + +# zstd 1 +# copy: 2.579 s +# extract: 11.479 s +# read: 9.389 s +# tarball ratio : 3.57 +# extracted ratio: 1.85 |