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| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2024-09-02 19:56:08 +0900 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-09 16:39:11 -0700 |
| commit | fb4f644ee8dac4e896269b84f041eb5dd3f6249d (patch) | |
| tree | b51d17cc5c6bef97858f2fdbee9744f26e1c4b3e /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | b8f03cb703a160e14f87a467a4443adc5d940087 (diff) | |
zram: add dictionary support to lz4
Support pre-trained dictionary param. lz4 doesn't mandate specific format
of the dictionary and even zstd --train can be used to train a dictionary
for lz4, according to [1].
TEST
====
*** lz4
/sys/block/zram0/mm_stat
1750654976 664188565 676864000 0 676864000 1 0 34288 34288
*** lz4 dict=/etc/lz4-dict-amd64
/sys/block/zram0/mm_stat
1750638592 619891141 632053760 0 632053760 1 0 34278 34278
*** lz4 level=5 dict=/etc/lz4-dict-amd64
/sys/block/zram0/mm_stat
1750638592 727174243 740810752 0 740810752 1 0 34437 34437
[1] https://github.com/lz4/lz4/issues/557
Link: https://lkml.kernel.org/r/20240902105656.1383858-21-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions