netdev - [PATCH net-next 0/8] Add tests for unlocked flower classifier implementation

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Date:   Fri, 22 Feb 2019 16:00:39 +0200
From:   Vlad Buslov <vladbu@...lanox.com>
To:     netdev@...r.kernel.org
Cc:     jhs@...atatu.com, xiyou.wangcong@...il.com, davem@...emloft.net,
        shuah@...nel.org, batuhanosmantaskaya@...il.com,
        lucasb@...atatu.com, dcaratti@...hat.com,
        marcelo.leitner@...il.com, chrism@...lanox.com,
        Vlad Buslov <vladbu@...lanox.com>
Subject: [PATCH net-next 0/8] Add tests for unlocked flower classifier implementation

Implement tests for tdc testsuite to verify concurrent rules update with
rtnl-unlocked flower classifier implementation. The goal of these tests
is to verify general flower classifier correctness by updating filters
on same classifier instance in parallel and to verify its atomicity by
concurrently updating filters in same handle range. All three filter
update operations (add, replace, delete) are tested.

Existing script tdc_batch.py is re-used for batch file generation. It is
extended with several optional CLI arguments that are needed for
concurrency tests. Thin wrapper tdc_multibatch.py is implemented on top
of tdc_batch.py to simplify its usage when generating multiple batch
files for several test configurations.

Parallelism in tests is implemented by running multiple instances of tc
in batch mode with xargs tool. Xargs is chosen for its ease of use and
because it is available by default on most modern Linux distributions.

Vlad Buslov (8):
  selftests: tdc_batch.py: add options needed for concurrency tests
  selftests: concurrency: add test to verify parallel rules insertion
  selftests: concurrency: add test to verify parallel rules deletion
  selftests: concurrency: add test to verify parallel rules replace
  selftests: concurrency: add test to verify concurrent replace
  selftests: concurrency: add test to verify concurrent delete
  selftests: concurrency: add test to verify parallel add/delete
  selftests: concurrency: add test to verify parallel replace/delete

 .../tc-testing/tc-tests/filters/concurrency.json   | 177 +++++++++++++++++++++
 tools/testing/selftests/tc-testing/tdc_batch.py    |  58 ++++++-
 tools/testing/selftests/tc-testing/tdc_config.py   |   1 +
 .../testing/selftests/tc-testing/tdc_multibatch.py |  65 ++++++++
 4 files changed, 297 insertions(+), 4 deletions(-)
 create mode 100644 tools/testing/selftests/tc-testing/tc-tests/filters/concurrency.json
 create mode 100755 tools/testing/selftests/tc-testing/tdc_multibatch.py

-- 
2.13.6