Dependence Tracing Algorithm

-- TongxinBai - 21 Jan 2008

The profiling tool is built upon a compile-time instrumentation framework and a separate tool file that contains the realizations of the instrumented functions.

Instrumentation

Each function is instrumented in one of the two modes: DETAIL and SKETCH. A text file named functions.in which is expected to be put in the source directory indicates which functions are to be instrumented in DETAIL mode.
  • In SKETCH mode each memory reference is instrumented.
  • In DETAIL mode, besides memory reference, function entry and exits will be instrumented too.
For each memory reference four items of data are passed as parameters to the instrumentation call.
  • run-time address of the memory access
  • DETAIL/SKETCH mode
  • source file name
  • line number in source code
For each function entry or exit the function name should be provided.

Realization

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Topic revision: r1 - 2008-01-21 - TongxinBai
 
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