erasure-code: workunit to check for encoding regression

Clone the archive of encoded objects and decode all archived objects, up
to and including the current ceph version.

http://tracker.ceph.com/issues/9420 Refs: #9420

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure-code: s/alignement/alignment/ typos in jerasure

The jerasure-per-chunk-alignment prameter was mispelled and while
useable that would lead to confusion.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure-code: Makefile.am cosmetics

Cluster benchmark related lines together.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure-code: add corpus verification to make check

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure-code: ceph_erasure_code does not need to avoid dlclose

The only reason for not dlclosing plugins at exit is for callgrind but
ceph_erasure_code has no workload that would require callgrind.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure_code: implement ceph_erasure_code to assert the existence of a plugin

This is handy when scripting in the context of teuthology and only
conditionally run tests for the isa plugin, for instance.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure-code: add erasure_code_benchmark --verbose

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
erasure-code: erasure_code_benchmark exhaustive erasure exploration

Add the --erasure-generation exhaustive flag to try all combinations of
erasures, not just one at random.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>