Etnaviv Gallium3D Wires In Performance Monitor Support
Written by Michael Larabel in Mesa on 26 March 2018 at 05:23 AM EDT. 1 Comment
MESA --
With the latest Etnaviv DRM code there is now performance counters support for being able to read the hardware counters via perfmon domains. The patches have now been published for making use of these Vivante performance counters from user-space.

Christian Gmeiner sent out a set of 12 patches on Sunday for performance monitoring support for the Etnaviv Gallium3D driver. These hardware counters on the Vivante graphics hardware is exposed via the OpenGL AMD_performance_monitor extension.

These patches should help in profiling OpenGL performance on this reverse-engineered, open-source Vivante Linux graphics driver. This work will presumably land in time for Mesa 18.1.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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