CUDA Nsight - find out what CPU is doing between kernel/runtime api calls

StackOverflow https://stackoverflow.com/questions/17484554

Question

I'm wondering if there's any way to discover in Nsight what CPU function calls are made between two runtime API/driver or kernel calls (an image's worth a thousand words):

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Is it possible?

Was it helpful?

Solution

Using the NVIDA Tools Extension API you can get a variety of information about CPU activity (in addition to GPU activity) in the Nsight VSE profiler display.

There are a variety of examples given in the Nsight VSE 3.0 documentation.

The same API works with the standalone visual profiler -- nvvp.

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