Trace block macro c #32
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added 2 commits
July 16, 2019 12:17
This commit ports the GPUVIS_TRACE_BLOCK / GPUVIS_TRACE_BLOCKF macros that already existed for C++ to C (with GNU extensions). That allows pure C programs on Linux to have a simple way of quickly tracing the execution duration of a specific scope. This is how it's implemented: First, we generalize the C++ class to a struct. In C++, we add the constructors/destructors to the struct, which makes it functionally the same as before, but have the ctors/dtors call into _begin/_end C functions. That way we can share the setup/finalize code between C and C++ (even though it's very simple). In C, the same struct is used. For construction, a GNU statement-expression macro is used to initialize the struct in-line. For destruction, the `cleanup` GNU attribute is used to execute a function that finalizes the block.
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Awesome - thanks Heinrich! |
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This PR ports the
GPUVIS_TRACE_BLOCK(F)to C, with the help of some GNU extensions. I am using this in our project (which is mostly C), thought it might be useful to others. You can find details in the commit messages.I tested this on Linux with C and C++, GCC 8 and Clang 8, also with
GPUVIS_TRACE_UTILS_DISABLE=1. Looking forward to your feedback!