Parse /sys/class/drm/cardN/device/ stats #370
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This commits adds support for reading card stats exposed by drm. Only `amdgpu` driver currently exposes these stats but it should be easy to add more driver support if required. FreeBSD uses the same driver through `kms-drm` but it does not expose the attributes we are interested in through niether `sysctl` or `linsysfs`. Signed-off-by: Siavash Safi <siavash.safi@gmail.com>
The fixtures are a snapshot from my Vega64 GPU, other cards might expose more or less stats based on kernel documentation. https://www.kernel.org/doc/html/latest/gpu/amdgpu.html Signed-off-by: Siavash Safi <siavash.safi@gmail.com>
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Hopefully other GPU vendors also add similar stats. |
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Oct 20, 2022
Parse /sys/class/drm/cardN/device/ stats
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This PR adds support for reading card stats exposed by drm.
Only
amdgpudriver currently exposes these stats but it should be easy to add more driver support if required.FreeBSD uses the same driver through
kms-drmbut it does not expose the attributes we are interested in through niethersysctlorlinsysfs.