search for: inst_prof_raw_version

Displaying 2 results from an estimated 2 matches for "inst_prof_raw_version".

2017 Oct 26
2
Profiling data structure
...> > > > - Since what I'm coding is a decoupled replacement for the profiling > > runtime inside of compiler_rt, is there anyway that at compile or > > run time I can fetch the version of the profiling data? > > > > At compile time, it is the macro: INST_PROF_RAW_VERSION. At runtime, it is > the second field of the raw profile header. I'm not able to use INST_PROF_RAW_VERSION at compile time. Are you sure this is exported? If I do: cc -fprofile-instr-generate -fcoverage-mapping -dM -E - < /dev/null I don't see INST_PROF_RAW_VERSION neither any simi...
2017 Oct 25
4
Profiling data structure
Hello, I've been working on implementing some basic functionality in order to use the llvm profiling functionality inside of a kernel (the Xen hypervisor). The only functionality I'm interested in is being able to reset the counters, get the size of the data, and dump the data into a memory buffer. I have to admit I haven't been able to find a lot of documentation about how this data