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kernel-compression [2022/12/19 02:51] – snacsnoc | kernel-compression [2022/12/19 05:03] – [rootfs compression: xz vs gzip] snacsnoc | ||
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Line 1: | Line 1: | ||
- | Kernel compression methods: | + | Kernel compression methods |
GZIP, bzip2, LZMA, XZ, LZO, | GZIP, bzip2, LZMA, XZ, LZO, | ||
+ | ====== Size ====== | ||
ls -s bzImage | ls -s bzImage | ||
Line 11: | Line 12: | ||
LZMA: | LZMA: | ||
4584 arch/ | 4584 arch/ | ||
+ | |||
+ | ====== Compressing root build directory: ====== | ||
+ | |||
[easto@cupcake][/ | [easto@cupcake][/ | ||
Line 21: | Line 25: | ||
7852 rootfs.gz | 7852 rootfs.gz | ||
| | ||
- | rootfs compression: | ||
- | [easto@cupcake][~/ | + | ====== Speed: ====== |
- | cd / | + | |
- | wait | + | |
- | mv rootfs.xz boot/ | + | |
- | / | + | |
- | Size of boot image is 4 sectors -> No emulation | + | |
- | | + | |
- | Total translation table size: 2048 | + | |
- | Total rockridge attributes bytes: 954 | + | |
- | Total directory bytes: 2408 | + | |
- | Path table size(bytes): | + | |
- | Max brk space used 0 | + | |
- | 5414 extents written (10 MB) | + | |
- | gzip | ||
- | [easto@cupcake][~/ | ||
- | cd / | ||
- | wait | ||
- | mv rootfs.gz boot/ | ||
- | / | ||
- | Size of boot image is 4 sectors -> No emulation | ||
- | | ||
- | Total translation table size: 2048 | ||
- | Total rockridge attributes bytes: 954 | ||
- | Total directory bytes: 2408 | ||
- | Path table size(bytes): | ||
- | Max brk space used 0 | ||
- | 5787 extents written (11 MB) | ||
- | Speed: | + | |
- | + | ||
- | [easto@cupcake][~/ | + | real 0m0.661s |
+ | user 0m0.607s | ||
+ | sys | ||
- | real 0m0.661s | + | |
- | user 0m0.607s | + | |
- | sys | + | real 0m4.697s |
- | + | user 0m4.521s | |
- | [easto@cupcake][/ | + | sys |
- | + | ||
- | real 0m4.697s | + | |
- | user 0m4.521s | + | |
- | sys | + |