Re: [GHC] #5654: Profiling semantics bug

#5654: Profiling semantics bug -------------------------------------+------------------------------------- Reporter: simonmar | Owner: Type: bug | Status: closed Priority: low | Milestone: 8.2.1 Component: Profiling | Version: 7.2.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | profiling/should_run/scc004 Blocked By: | Blocking: Related Tickets: #10007 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Simon Marlow ): In [changeset:"3a18baff06abc193569b1b76358da26375b3c8d6/ghc" 3a18baf/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="3a18baff06abc193569b1b76358da26375b3c8d6" More fixes for #5654 * In stg_ap_0_fast, if we're evaluating a thunk, the thunk might evaluate to a function in which case we may have to adjust its CCS. * The interpreter has its own implementation of stg_ap_0_fast, so we have to do the same shenanigans with creating empty PAPs and copying PAPs there. * GHCi creates Cost Centres as children of CCS_MAIN, which enterFunCCS() wrongly assumed to imply that they were CAFs. Now we use the is_caf flag for this, which we have to correctly initialise when we create a Cost Centre in GHCi. }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5654#comment:22 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler