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docs/perfetto: update section about vulkan app tracing

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 18e820009d ("common/utrace: Refactor and combine all envvars into `GPU_TRACES`")
Fixes: 8370a0d6bf ("common/utrace: Prefix all environment variables with `MESA_`")
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19974>
This commit is contained in:
Lionel Landwerlin
2022-11-24 10:30:50 +02:00
parent a126ed19f9
commit 61bdc2a2e0
1 changed files with 2 additions and 2 deletions
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docs/perfetto.rst
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@@ -121,12 +121,12 @@ consequence, we need to ensure command buffers are properly
instrumented for the Perfetto driver data sources prior to Perfetto instrumented for the Perfetto driver data sources prior to Perfetto
actually collecting traces. actually collecting traces.
This can be achieved by setting the ``GPU_TRACE_INSTRUMENT`` This can be achieved by setting the envvar:`MESA_GPU_TRACES`
environment variable before starting a Vulkan application : environment variable before starting a Vulkan application :
.. code-block:: console .. code-block:: console
GPU_TRACE_INSTRUMENT=1 ./build/my_vulkan_app MESA_GPU_TRACES=perfetto ./build/my_vulkan_app
Driver Specifics Driver Specifics
~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~