Preparatory investigation for developing a software tracer for ERIKA Enterprise.
The tracer is roughly based on the ftrace approach (i.e. __fentry__ or
mcount functions of gcc, enabled through the -pg option).
Once compiled (type make) the ./main executable writes a trace.dat file
containing symbols and timestamps:
./main
Then, the create_trace.py script can convert the trace replacing the
addresses with the actual function name:
./create_trace.py ./main trace.dat
will create the trace.txt file.
Alternatively, the create_trace.py script can convert the trace to the
BTF format,
that can be viewed through Eclipse Trace Compass.
- Hijack trampoline to be called when the function ends execution
- Port to ERIKA Enterprise