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kernel-compression [2022/12/19 00:21] – created 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, | ||
- | x86 bzImage: | + | |
- | XZ: | + | ====== Size ====== |
- | LZMA: | + | |
+ | ls -s bzImage | ||
+ | XZ: | ||
+ | 4276 bzImage | ||
LZO: | LZO: | ||
+ | 5988 arch/ | ||
+ | LZMA: | ||
+ | 4584 arch/ | ||
+ | |||
+ | ====== Compressing root build directory: ====== | ||
+ | |||
+ | |||
+ | [easto@cupcake][/ | ||
+ | cpio: File ./rootfs.gz grew, 1048576 new bytes not copied | ||
+ | [easto@cupcake][/ | ||
+ | 7812 rootfs.gz | ||
+ | [easto@cupcake][/ | ||
+ | cpio: File ./rootfs.gz grew, 1064960 new bytes not copied | ||
+ | [easto@cupcake][/ | ||
+ | 7852 rootfs.gz | ||
+ | | ||
+ | |||
+ | ====== Speed: ====== | ||
+ | |||
+ | |||
+ | [easto@cupcake][~/ | ||
+ | | ||
+ | real 0m0.661s | ||
+ | user 0m0.607s | ||
+ | sys | ||
+ | |||
+ | [easto@cupcake][/ | ||
+ | | ||
+ | real 0m4.697s | ||
+ | user 0m4.521s | ||
+ | sys |