Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> writes: > The V3D engine has various hardware counters which might be interesting > to userspace performance analysis tools. > > Expose new ioctls to create/destroy a performance monitor object and > query the counter values of this perfmance monitor. > > Note that a perfomance monitor is given an ID that is only valid on the > file descriptor it has been allocated from. A performance monitor can be > attached to a CL submission and the driver will enable HW counters for > this request and update the performance monitor values at the end of the > job. > > Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> > Reviewed-by: Eric Anholt <eric@xxxxxxxxxx> Pushed. Thanks!
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