[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            |      Component:  Profiling       
 Version:  6.10.1            |       Severity:  normal          
Keywords:  profiling         |       Testcase:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
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 This would be useful for e.g. marking compiler phases.

 Hmm, this would be more useful if the "MARK" record type had a string
 field...

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