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Undefined reference to HP_profile when adding sysMon Markers
john.richardson1
Join Date: 24 Mar 20
Posts: 1
Posted: Mon, 2020-05-11 06:18
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When adding sysMon Markers enable and disable apis to application code, in my case to examples/fastcv/cornerApp/src/cornerApp.c, and building using 

make tree V=android_Debug_aarch64 CDSP=1

The build fails due to undefined reference when linking

hexagon_sdk-3-5-1/examples/fastcv/cornerApp/src/cornerApp.c:157: undefined reference to `HP_profile`

hexagon_sdk-3-5-1/examples/fastcv/cornerApp/src/cornerApp.c:171: undefined reference to `HP_profile`

clang++: error linker command failed with exit code 1 (use -v to see invocation)

I followed the instructions under 'Using Sysmon Markers' in the documentation. Namely adding the #include <sysmon_marker.h> (also tried extern HP_profile(uint_32 Marker ID, boolean enable);) and then calling the HP_profile function.

It is not clear which library this API is attached to for linking and there are no examples of its use in the codebase.

Am I missing some important steps here?

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