bloat

Generate webtreemap-compatible JSON summaries of binary size.

Setup

1. Check out a copy of webtreemap in a webtreemap subdirectory:

    git clone git://github.com/martine/webtreemap.git
   

2. Build your binary with the -g flag to get symbols.

3. Run ./bloat.py --help and generate a.out.map as instructed there.

4. Example command line:

   ./bloat.py syms --map-output ~/src/llvm-svn//tools/clang/cf.map > bloat.json

Misc other feature

Dump large symbols:

./bloat.py dump | head -20