[GHC] #14864: Suggestion: Turn on +RTS -xt by default

#14864: Suggestion: Turn on +RTS -xt by default -------------------------------------+------------------------------------- Reporter: ryantrinkle | Owner: (none) Type: feature | Status: new request | Priority: low | Milestone: Component: Runtime | Version: 8.2.2 System | Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- I found it quite surprising and difficult to debug that my heap profile showed no leak while the GC stats showed a clear leak. As a user who is somewhat familiar with this stuff, I was quite surprised that those two data sources didn't agree. I wasn't sure how to determine why they disagreed, since none of the output referenced anything interesting. I'm not familiar with the reasoning behind disabling -xt by default, but I think it may be easier for users to figure out that they need to *disable* it (since they'll be able to see its results in the heap profile) than to figure out that they need to *enable* it. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14864 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#14864: Suggestion: Turn on +RTS -xt by default -------------------------------------+------------------------------------- Reporter: ryantrinkle | Owner: (none) Type: feature request | Status: new Priority: low | Milestone: Component: Runtime System | Version: 8.2.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * cc: Jaffacake (added) Comment: I'll admit I don't even see why you would want to disable `-xt`. Perhaps Jaffacake can shed some light on this? If there is a good reason why running without `-xt` is useful then we'll need to add a way to disable it in order to act on this ticket. Otherwise I would say in the long-run we probably ought to deprecate the option. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14864#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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