Re: [GHC] #13830: '+RTS -s' gives incorrect value for work balance in some cases

#13830: '+RTS -s' gives incorrect value for work balance in some cases -------------------------------------+------------------------------------- Reporter: duog | Owner: duog Type: bug | Status: patch Priority: normal | Milestone: Component: Runtime System | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Debugging | Unknown/Multiple information is incorrect | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3658 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"7c9e356de1114ab3e31f2d6d03e83672076dd533/ghc" 7c9e356d/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="7c9e356de1114ab3e31f2d6d03e83672076dd533" Fix Work Balance computation in RTS stats An additional stat is tracked per gc: par_balanced_copied This is the the number of bytes copied by each gc thread under the balanced lmit, which is simply (copied_bytes / num_gc_threads). The stat is added to all the appropriate GC structures, so is visible in the eventlog and in GHC.Stats. A note is added explaining how work balance is computed. Remove some end of line whitespace Test Plan: ./validate experiment with the program attached to the ticket examine code changes carefully Reviewers: simonmar, austin, hvr, bgamari, erikd Reviewed By: simonmar Subscribers: Phyx, rwbarton, thomie GHC Trac Issues: #13830 Differential Revision: https://phabricator.haskell.org/D3658 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13830#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler