"Start CUDA Debugging" in CMake project don't work

Developer Tools Nsight Visual Studio Edition
1

Hi nvidia guys, why nSight CUDA integrated source level debugger is not working in CMake type of project? This button just disabled. How can you fix this?

2

Hi, did you find out a solution for this? Do you know why in a cmake project the option is greyed out?

I’ve tried to build with -G:
target_compile_options(target-name PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-G -src-in-ptx>)

but it did not solve …

3

Hello, don’t know if you still have the issue, but I fixed with the following CMakeLists.txt:

cmake_minimum_required(VERSION 3.8 FATAL_ERROR)

if(NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
    set(CMAKE_CUDA_ARCHITECTURES 52)
endif()

project(helloWorld_cuda_v2 VERSION 0.1.0)
set(CMAKE_BUILD_TYPE Debug)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    set(CMAKE_CUDA_FLAGS ${CMAKE_CUDA_FLAGS} "-g -G")  # enable cuda-gdb
endif()

include(CTest)
enable_testing()
enable_language(CUDA)

add_executable(helloWorld_cuda_v2 
                main.cpp
                hello.cu)

set(CPACK_PROJECT_NAME ${PROJECT_NAME})
set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
include(CPack)

Of course, in here I have 2 files, main.cpp and hello.cu.
And the launch.json is:

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "CUDA C++: Launch",
            "type": "cuda-gdb",
            "request": "launch",
            "program": "${workspaceFolder}/build/helloWorld_cuda_v2"
        },
        {
            "name": "CUDA C++: Attach",
            "type": "cuda-gdb",
            "request": "attach",
            "processId": "${command:cuda.pickProcess}"            
        }
    ]
}

Hope this can help.
I still have some issues with debugging arrays, but everything else works as expected.

4

Thanks for your reply,
Which version of VisualStudio are you using?
Which version of CMAKE?

5

CMAKE 3.25.1 and VSCode 1.76.0 on a Debian machine.

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