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prof2pretty is an enhanced rewrite of visual-prof that works with
recent GHC RTS. sccpragmabomb adds SCC pragmas encoding source
location. prof2pretty extracts those SCCs from the profiling output
to annotate the sources using HTML + CSS + JavaScript.
Usage:
cd example
ghc -prof -F -pgmF=sccpragmabomb test.hs
cd ..
./example/test +RTS -P -RTS 31416
prof2pretty --standalone --source=example/ test.prof
sensible-browser test.prof.html