diff options
Diffstat (limited to 'comp_bench')
| -rwxr-xr-x | comp_bench | 21 |
1 files changed, 17 insertions, 4 deletions
@@ -1,18 +1,31 @@ #!/bin/sh +[ "$1" = -v ] && verbose=1 + set -e +do_time() { + exec 3>&1 + (time "$@") 2>&1 >&3 | grep . >&2 +} + do_bench() { tmpfile=$(mktemp) - trap 'rm -f "$tmpfile"' EXIT - compressor=cat outfile=/proc/self/fd/1 ./make | "$@" -c < initramfs.img > "$tmpfile" - printf '%s: %s bytes\n' "$1" "$(wc -c < "$tmpfile")" - time $1 -dc < "$tmpfile" >/dev/null + trap 'rm -f "$tmpfile"' HUP INT QUIT TERM EXIT + [ -z "$verbose" ] || printf '%s compression:\n' "$1" + ${verbose+do_time} "$@" -c <initramfs.img >"$tmpfile" + printf '%s size: %s bytes\n' "$1" "$(wc -c < "$tmpfile")" + printf '%s decompression:\n' "$1" + do_time "$1" -dc <"$tmpfile" >/dev/null rm "$tmpfile" trap '' EXIT echo } +if [ -e initramfs.img ] && [ "$(file -b initramfs.img)" != "ASCII cpio archive (SVR4 with no CRC)" ]; then + echo "warning: overwriting initramfs.img" >&2 + compressor=cat ./make > initramfs.img +fi do_bench gzip -9 do_bench bzip2 -9 do_bench lzma -9e --check=crc32 |