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drcctprof_tutorial

This repository includes all the necessary files for the hands-on lab for DrCCTProf tutorial at CGO'22.

Instructions on the coding assignment

Try to implement a DrCCTProf client to count instruction instances* within unique calling contexts.

* Instructions of the same PC (program counter) may appear in different call paths.

You just need to complete the function void InsCount(int32_t opaqueHandle) :

  1. Get the current context handle. Tip: use API 
     context_handle_t drcctlib_get_context_handle(void *drcontex, int32_t opaqueHandle)
  2. Increment the instruction execution frequency with the current context handle Tip: use ctxt_hndl_exec_num_array to get and store the execution frequency of each context handle.

Build

Use the following commands to get source code and build:

$ git clone --recurse https://github.com/Xuhpclab/drcctprof_tutorial.git
$ ./build.sh

Run

Once you complete the implementation, run the following command to build your source code and run the tool to profile the test application:

$ ./run.sh

This will generate two output files: one is a text file and the other is a .drcctprof file. You can directly open the text file or open .drcctprof file in VSCode with EasyView installed.

Expected result in EasyView