[Bug 653611] Re: extremely bad dm-crypt latency

[Michael Zugelder]

Note that listing all files with find (exact commandline see below) is
34 times faster on 2.6.32 (367s vs 10.7s).

# echo 1 > /proc/sys/vm/drop_caches
# time find / > /dev/null

** Attachment added: "LatencyTOP information about find, while listing all files on the root partition with 2.6.32 (10.7 seconds)"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/653611/+attachment/1666560/+files/latencytop-find-2.6.32.png

** Tags added: dm-crypt kernel-bug latency regression-release

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extremely bad dm-crypt latency
https://bugs.launchpad.net/bugs/653611
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