Arul Sekar 032efd066e gpu: nvgpu: Provide cpu gpu time correlation via ioctl ...

bug 1648908

Provides pairs of CPU and GPU timestamps that
can be used for correlatiing the two timebases

- IOCTL made available /dev/nvhost-ctrl-gpu

Change-Id: I1458b9d33d794b1b02ec9fd29ed9426756b94bcd
Signed-off-by: Arul Sekar <aruls@nvidia.com>
Reviewed-on: http://git-master/r/1029732
Reviewed-by: Arun Gona <agona@nvidia.com>
Tested-by: Arun Gona <agona@nvidia.com>
Reviewed-on: http://git-master/r/1111715
GVS: Gerrit_Virtual_Submit
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2016-03-22 10:39:45 -07:00

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