nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-23 01:50:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: Implement NVGPU_GPU_IOCTL_GET_GPU_TIME

Browse Source 
Implement NVGPU_GPU_IOCTL_GET_GPU_TIME for reading the GPU time.

Bug 1395833

Change-Id: I7ddc7c28ff0c9a336cc0dcd820b15fb0fea714d0
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/1125630
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Sami Kiminki
2016-04-12 22:33:36 +03:00
committed by Terje Bergstrom
parent 701803d489
commit 6b35cb05b7
2 changed files with 69 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
include/uapi/linux/nvgpu.h
View File

@@ -377,6 +377,14 @@ struct nvgpu_gpu_get_cpu_time_correlation_info_args {
__u32 source_id;
};
struct nvgpu_gpu_get_gpu_time_args {
/* raw GPU counter (PTIMER) value */
__u64 gpu_timestamp;
/* reserved for future extensions */
__u64 reserved;
};
#define NVGPU_GPU_IOCTL_ZCULL_GET_CTX_SIZE \
_IOR(NVGPU_GPU_IOCTL_MAGIC, 1, struct nvgpu_gpu_zcull_get_ctx_size_args)
#define NVGPU_GPU_IOCTL_ZCULL_GET_INFO \
@@ -426,8 +434,11 @@ struct nvgpu_gpu_get_cpu_time_correlation_info_args {
#define NVGPU_GPU_IOCTL_GET_CPU_TIME_CORRELATION_INFO \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 24, \
struct nvgpu_gpu_get_cpu_time_correlation_info_args)
#define NVGPU_GPU_IOCTL_GET_GPU_TIME \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 25, \
struct nvgpu_gpu_get_gpu_time_args)
#define NVGPU_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_GPU_IOCTL_GET_CPU_TIME_CORRELATION_INFO)
_IOC_NR(NVGPU_GPU_IOCTL_GET_GPU_TIME)
#define NVGPU_GPU_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_gpu_get_cpu_time_correlation_info_args)