[GHC] #3360: Add profiling support to GHCi

[GHC]

#3360: Add profiling support to GHCi
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Reporter:  SamB              |          Owner:                  
    Type:  feature request   |         Status:  new             
Priority:  normal            |      Component:  GHCi            
 Version:  6.10.2            |       Severity:  normal          
Keywords:                    |       Testcase:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
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 It would be nice if GHCi could be run with profiling on. In
 [comment:#2197:13 comment 13] of ticket #2197, simonmar said:

 > There's a fair bit of work to do, and it's not clear it's worth the
 effort.  The byte code compiler and interpreter have to be modified to
 support the different closure representations and other conventions of the
 profiling build.

 This would, of course, also allow profiling of GHC or Haddock dealing with
 Template Haskell code, as well as any ghc-api clients that somehow end up
 invoking the bytecode interpreter.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3360>
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