#5654: Profiling semantics bug -------------------------------------+------------------------------------- Reporter: simonmar | Owner: simonmar Type: bug | Status: infoneeded Priority: low | Milestone: 7.10.1 Component: Profiling | Version: 7.2.1 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Unknown Type of failure: | Blocked By: None/Unknown | Related Tickets: Test Case: | profiling/should_run/scc004 | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Changes (by thomie): * status: new => infoneeded * difficulty: => Unknown Comment: The results with HEAD are both different from "what we want" and "what we get". What are we aiming for precisely? `ghc-7.9.20141125 -prof -fforce-recomp test.hs; ./test +RTS -p` {{{ MAIN MAIN 43 0 0.0 22.2 0.0 100.0 CAF Main 85 0 0.0 0.1 0.0 0.1 g Main 87 1 0.0 0.0 0.0 0.0 f Main 86 1 0.0 0.0 0.0 0.0 }}} And with `-O2`: {{{ MAIN MAIN 43 0 0.0 22.2 0.0 100.0 CAF Main 85 0 0.0 0.1 0.0 0.1 g Main 87 1 0.0 0.0 0.0 0.0 f Main 86 1 0.0 0.0 0.0 0.0 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5654#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler