41 lines
1.3 KiB
ReStructuredText
41 lines
1.3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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=========================
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drm/Panfrost Mali Driver
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=========================
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.. _panfrost-usage-stats:
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Panfrost DRM client usage stats implementation
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==============================================
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The drm/Panfrost driver implements the DRM client usage stats specification as
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documented in :ref:`drm-client-usage-stats`.
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Example of the output showing the implemented key value pairs and entirety of
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the currently possible format options:
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::
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pos: 0
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flags: 02400002
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mnt_id: 27
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ino: 531
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drm-driver: panfrost
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drm-client-id: 14
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drm-engine-fragment: 1846584880 ns
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drm-cycles-fragment: 1424359409
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drm-maxfreq-fragment: 799999987 Hz
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drm-curfreq-fragment: 799999987 Hz
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drm-engine-vertex-tiler: 71932239 ns
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drm-cycles-vertex-tiler: 52617357
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drm-maxfreq-vertex-tiler: 799999987 Hz
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drm-curfreq-vertex-tiler: 799999987 Hz
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drm-total-memory: 290 MiB
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drm-shared-memory: 0 MiB
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drm-active-memory: 226 MiB
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drm-resident-memory: 36496 KiB
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drm-purgeable-memory: 128 KiB
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Possible `drm-engine-` key names are: `fragment`, and `vertex-tiler`.
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`drm-curfreq-` values convey the current operating frequency for that engine.
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