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In order to ensure consistent results when running performance tests, lock the frequency for Intel GPUs to ~70% of the maximum allowed by hardware. This seems to offer a good balance between execution speed and results consistency. An increase of the frequency will also increase the rate of throttling events, with a negative impact on consistency. Such events are logged, as in the following example: GPU throttling detected: act=200 min=850 cur=850 RPn=100 This shows the actual GPU frequency (200 MHz) dropped below the minimum requested (850 MHz). For more details about the various frequency information sources, please see the script header comments in ".gitlab-ci/common/intel-gpu-freq.sh". Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Guilherme Gallo <guilherme.gallo@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15662>
`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.