[GHC] #3021: A way to programmatically insert marks into heap profiling output

[GHC]

#3021: A way to programmatically insert marks into heap profiling output
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    Reporter:  SamB              |        Owner:              
        Type:  feature request   |       Status:  new         
    Priority:  normal            |    Milestone:  _|_         
   Component:  Profiling         |      Version:  6.10.1      
    Keywords:  profiling         |     Testcase:              
   Blockedby:                    |   Difficulty:  Unknown     
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Comment(by simonmar):

 See also #5475

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3021#comment:12>
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