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Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/drm-uapi.rst | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/gpu/drm-uapi.rst b/Documentation/gpu/drm-uapi.rst index 69f72e71a96e6d..4863a4deb0ee55 100644 --- a/Documentation/gpu/drm-uapi.rst +++ b/Documentation/gpu/drm-uapi.rst @@ -693,3 +693,22 @@ dma-buf interoperability Please see Documentation/userspace-api/dma-buf-alloc-exchange.rst for information on how dma-buf is integrated and exposed within DRM. + + +Trace events +============ + +See Documentation/trace/tracepoints.rst for information about using +Linux Kernel Tracepoints. +In the DRM subsystem, some events are considered stable uAPI to avoid +breaking tools (e.g.: GPUVis, umr) relying on them. Stable means that fields +cannot be removed, nor their formatting updated. Adding new fields is +possible, under the normal uAPI requirements. + +Stable uAPI events +------------------ + +From ``drivers/gpu/drm/scheduler/gpu_scheduler_trace.h`` + +.. kernel-doc:: drivers/gpu/drm/scheduler/gpu_scheduler_trace.h + :doc: uAPI trace events
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