/
githubmirror
/
zstd
Обзор
Документация
Войти
/
githubmirror
/
zstd
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
dev
contrib/linux-kernel/squashfs-benchmark.sh
39 строк
1 KB
Nick Terrell
[kernel] Update README with SquashFS patch
03 май 2017, 21:07
03 май 2017, 21:07
cf4f940
Код
Авторство
О чём код?
# !/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. # $BENCHMARK_DIR is generated with the following commands, from the Ubuntu image # ubuntu-16.10-desktop-amd64.iso. # > mkdir mnt # > sudo mount -o loop ubuntu-16.10-desktop-amd64.iso mnt # > cp mnt/casper/filesystem.squashfs . # > sudo unsquashfs filesystem.squashfs # $HOME is on a ext4 filesystem BENCHMARK_DIR="$HOME/squashfs-root/" BENCHMARK_FS="$HOME/filesystem.squashfs" # Normalize the environment sudo rm -f $BENCHMARK_FS 2> /dev/null > /dev/null || true sudo umount /mnt/squashfs 2> /dev/null > /dev/null || true # Run the benchmark echo "Compression" echo "sudo mksquashfs $BENCHMARK_DIR $BENCHMARK_FS $@" time sudo mksquashfs $BENCHMARK_DIR $BENCHMARK_FS $@ 2> /dev/null > /dev/null echo "Approximate compression ratio" printf "%d / %d\n" \ $(sudo du -sx --block-size=1 $BENCHMARK_DIR | cut -f1) \ $(sudo du -sx --block-size=1 $BENCHMARK_FS | cut -f1); # Mount the filesystem sudo mount -t squashfs $BENCHMARK_FS /mnt/squashfs echo "Decompression" time sudo tar -c /mnt/squashfs 2> /dev/null | wc -c > /dev/null sudo umount /mnt/squashfs