Cannot find the instrumentation function about nvbit HOT 3 OPEN

Have you checked the examples like instr_count in the tools folder?

Basically, you need to write your tool, compile it as a dynamic library .so file, and run LD_PRELOAD=<tool>.so <your program> to perform the binary instrumentation.

from nvbit.

@x-y-z Thanks for your reply.
I understand the example instr_count, but I want to use NVBit for other purposes, such as modify the SASS of a kernel.

I don't want to use it as a shared library. So my question is what kind of device function can be found by nvbit_insert_call ? Must they be loaded as a .so file?

from nvbit.

To modify the SASS of a kernel, you can refer to mov_replace as an example.

The current implementation of NVBit only allows using it as a shared library. Device functions used in your binary could be found by NVBit.

From the error above, your instrumentation function merged_kernel0 was not found. You should put that function in inject_functs.cu and compile the file as part of NVBit tool.

from nvbit.