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| author | Daniel P. Berrange <berrange@redhat.com> | 2017-06-26 13:35:08 +0100 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2017-07-11 17:45:00 +0200 |
| commit | 307d999198599fe672e69379c99b6db17b961b4e (patch) | |
| tree | 462a36f09f39172a8ff272e6bfd65338ae7d44a3 /qemu-bridge-helper.c | |
| parent | 13a1d4a71bdbc0968886ed656dee0e35dfaaf906 (diff) | |
iotests: reduce PBKDF iterations when testing LUKS
By default the PBKDF algorithm used with LUKS is tuned
based on the number of iterations to produce 1 second
of running time. This makes running the I/O test with
the LUKS format orders of magnitude slower than with
qcow2/raw formats.
When creating LUKS images, set the iteration time to
a 10ms to reduce the time overhead for LUKS, since
security does not matter in I/O tests.
Previously a full 'check -luks' would take
$ time ./check -luks
Passed all 22 tests
real 23m9.988s
user 21m46.223s
sys 0m22.841s
Now it takes
$ time ./check -luks
Passed all 22 tests
real 4m39.235s
user 3m29.590s
sys 0m24.234s
Still slow compared to qcow2/raw, but much improved
none the less.
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170626123510.20134-4-berrange@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'qemu-bridge-helper.c')
0 files changed, 0 insertions, 0 deletions