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| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-07-15 23:42:03 +0800 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-07-22 21:44:27 +0800 |
| commit | 267f2492c8f71dac44399988b510f9bf6b074a51 (patch) | |
| tree | 21c44fe56bc17f1e308d3895b5f8ea8ee0691cf2 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | 2bfab9c0edac5f6031e8956477cd39f7162b208d (diff) | |
| download | linux-267f2492c8f71dac44399988b510f9bf6b074a51.tar.gz linux-267f2492c8f71dac44399988b510f9bf6b074a51.tar.bz2 linux-267f2492c8f71dac44399988b510f9bf6b074a51.zip | |
erofs: introduce multi-reference pclusters (fully-referenced)
Let's introduce multi-reference pclusters at runtime. In details,
if one pcluster is requested by multiple extents at almost the same
time (even belong to different files), the longest extent will be
decompressed as representative and the other extents are actually
copied from the longest one in one round.
After this patch, fully-referenced extents can be correctly handled
and the full decoding check needs to be bypassed for
partial-referenced extents.
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220715154203.48093-17-hsiangkao@linux.alibaba.com
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
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