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Message-ID: <CAM0EoM=qQF_C1Pz5TQnV=9ETkt3AP49zisCEbEY-KD-mNcmDyQ@mail.gmail.com>
Date: Tue, 19 Sep 2023 10:38:25 -0400
From: Jamal Hadi Salim <jhs@...atatu.com>
To: Pedro Tammela <pctammela@...atatu.com>
Cc: netdev@...r.kernel.org, xiyou.wangcong@...il.com, jiri@...nulli.us, 
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	shuah@...nel.org, victor@...atatu.com
Subject: Re: [PATCH net-next 0/4] selftests/tc-testing: parallel tdc

On Tue, Sep 19, 2023 at 9:54 AM Pedro Tammela <pctammela@...atatu.com> wrote:
>
> As the number of tdc tests is growing, so is our completion wall time.
> One of the ideas to improve this is to run tests in parallel, as they
> are self contained.
>
> This series allows for tests to run in parallel, in batches of 32 tests.
> Not all tests can run in parallel as they might conflict with each other.
> The code will still honor this requirement even when trying to run the
> tests over the worker pool.
>
> In order to make this happen we had to localize the test resources
> (patches 1 and 2), where instead of having all tests sharing one single
> namespace and veths devices each test now gets it's own local namespace and devices.
>
> Even though the tests serialize over rtnl_lock in the kernel, we
> measured a speedup of about 3x in a test VM.
>

For the patch series:
Acked-by: Jamal Hadi Salim <jhs@...atatu.com>

cheers,
jamal

> Pedro Tammela (4):
>   selftests/tc-testing: localize test resources
>   selftests/tc-testing: update test definitions for local resources
>   selftests/tc-testing: implement tdc parallel test run
>   selftests/tc-testing: update tdc documentation
>
>  tools/testing/selftests/tc-testing/README     |  65 +---
>  .../testing/selftests/tc-testing/TdcPlugin.py |   4 +-
>  .../selftests/tc-testing/TdcResults.py        |   3 +-
>  .../tc-testing/plugin-lib/nsPlugin.py         | 194 ++++++++----
>  .../tc-testing/plugin-lib/rootPlugin.py       |   4 +-
>  .../tc-testing/plugin-lib/valgrindPlugin.py   |   5 +-
>  .../tc-testing/tc-tests/actions/connmark.json |  45 +++
>  .../tc-testing/tc-tests/actions/csum.json     |  69 +++++
>  .../tc-testing/tc-tests/actions/ct.json       |  54 ++++
>  .../tc-testing/tc-tests/actions/ctinfo.json   |  36 +++
>  .../tc-testing/tc-tests/actions/gact.json     |  75 +++++
>  .../tc-testing/tc-tests/actions/gate.json     |  36 +++
>  .../tc-testing/tc-tests/actions/ife.json      | 144 +++++++++
>  .../tc-testing/tc-tests/actions/mirred.json   |  72 +++++
>  .../tc-testing/tc-tests/actions/mpls.json     | 159 ++++++++++
>  .../tc-testing/tc-tests/actions/nat.json      |  81 +++++
>  .../tc-testing/tc-tests/actions/pedit.json    | 198 ++++++++++++
>  .../tc-testing/tc-tests/actions/police.json   | 102 +++++++
>  .../tc-testing/tc-tests/actions/sample.json   |  87 ++++++
>  .../tc-testing/tc-tests/actions/simple.json   |  27 ++
>  .../tc-testing/tc-tests/actions/skbedit.json  |  90 ++++++
>  .../tc-testing/tc-tests/actions/skbmod.json   |  54 ++++
>  .../tc-tests/actions/tunnel_key.json          | 117 ++++++++
>  .../tc-testing/tc-tests/actions/vlan.json     | 108 +++++++
>  .../tc-testing/tc-tests/actions/xt.json       |  24 ++
>  .../tc-testing/tc-tests/filters/bpf.json      |  10 +-
>  .../tc-testing/tc-tests/filters/fw.json       | 266 ++++++++--------
>  .../tc-testing/tc-tests/filters/matchall.json | 141 +++++----
>  .../tc-testing/tc-tests/infra/actions.json    | 144 ++++-----
>  .../tc-testing/tc-tests/infra/filter.json     |   9 +-
>  .../tc-testing/tc-tests/qdiscs/cake.json      |  82 ++---
>  .../tc-testing/tc-tests/qdiscs/cbs.json       |  38 +--
>  .../tc-testing/tc-tests/qdiscs/choke.json     |  30 +-
>  .../tc-testing/tc-tests/qdiscs/codel.json     |  34 +--
>  .../tc-testing/tc-tests/qdiscs/drr.json       |  10 +-
>  .../tc-testing/tc-tests/qdiscs/etf.json       |  18 +-
>  .../tc-testing/tc-tests/qdiscs/ets.json       | 284 ++++++++++--------
>  .../tc-testing/tc-tests/qdiscs/fifo.json      |  98 +++---
>  .../tc-testing/tc-tests/qdiscs/fq.json        |  68 +----
>  .../tc-testing/tc-tests/qdiscs/fq_codel.json  |  54 +---
>  .../tc-testing/tc-tests/qdiscs/fq_pie.json    |   5 +-
>  .../tc-testing/tc-tests/qdiscs/gred.json      |  28 +-
>  .../tc-testing/tc-tests/qdiscs/hfsc.json      |  26 +-
>  .../tc-testing/tc-tests/qdiscs/hhf.json       |  36 +--
>  .../tc-testing/tc-tests/qdiscs/htb.json       |  46 +--
>  .../tc-testing/tc-tests/qdiscs/ingress.json   |  36 ++-
>  .../tc-testing/tc-tests/qdiscs/netem.json     |  62 +---
>  .../tc-tests/qdiscs/pfifo_fast.json           |  18 +-
>  .../tc-testing/tc-tests/qdiscs/plug.json      |  30 +-
>  .../tc-testing/tc-tests/qdiscs/prio.json      |  85 +++---
>  .../tc-testing/tc-tests/qdiscs/qfq.json       |  39 +--
>  .../tc-testing/tc-tests/qdiscs/red.json       |  34 +--
>  .../tc-testing/tc-tests/qdiscs/sfb.json       |  48 +--
>  .../tc-testing/tc-tests/qdiscs/sfq.json       |  40 +--
>  .../tc-testing/tc-tests/qdiscs/skbprio.json   |  16 +-
>  .../tc-testing/tc-tests/qdiscs/tbf.json       |  36 +--
>  .../tc-testing/tc-tests/qdiscs/teql.json      |  34 +--
>  tools/testing/selftests/tc-testing/tdc.py     | 250 +++++++++++----
>  58 files changed, 2720 insertions(+), 1288 deletions(-)
>
> --
> 2.39.2
>

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