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- # Copyright (c) 2022 NVIDIA Corporation. All rights reserved.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import os
- import ctypes
- _cuda_home = os.environ.get('CUDA_HOME', '/usr/local/cuda')
- _cudart = ctypes.CDLL(os.path.join(_cuda_home, 'lib64/libcudart.so'))
- def cuda_profile_start():
- _cudart.cudaProfilerStart()
- def cuda_profile_stop():
- _cudart.cudaProfilerStop()
- _nvtx = ctypes.CDLL(os.path.join(_cuda_home, 'lib64/libnvToolsExt.so'))
- def cuda_nvtx_range_push(name):
- _nvtx.nvtxRangePushW(ctypes.c_wchar_p(name))
- def cuda_nvtx_range_pop():
- _nvtx.nvtxRangePop()
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