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Use fdinfo's engine count when refreshing utilisation rate #387

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@larunbe larunbe commented May 23, 2025

I originally moved gpuinfo_refresh_utilisation_rate() from Mali code into src/extract_gpuinfo.c when I realised utilisation rate could be calculated in a device-independent way simply by following the percentage utilisation guidelines given in
Documentation/gpu/drm-usage-stats.rst

However, I forgot to replace the magic number '2' which stood for the engine count in Mali GPUs with a value that make sense for different devices.

Source the engine count from gpu_info's static information values.

I originally moved gpuinfo_refresh_utilisation_rate() from Mali code
into src/extract_gpuinfo.c when I realised utilisation rate could be
calculated in a device-independent way simply by following the
percentage utilisation guidelines given in
Documentation/gpu/drm-usage-stats.rst

However, I forgot to replace the magic number '2' which stood for the
engine count in Mali GPUs with a value that make sense for different
devices.

Source the engine count from gpu_info's static information values.

Signed-off-by: Adrián Larumbe <[email protected]>
@chealy
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chealy commented Jun 5, 2025

+1

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