[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          
 Severity:  normal            |     Resolution:                  
 Keywords:  profiling         |       Testcase:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
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Comment (by malcolm.wallace at cs.york.ac.uk):

 This is a feature that has been part of heap profiling for a long time.
 See for instance the graphs on p.42 of Röjemo's thesis chapter about
 space-efficiency in nhc98:
 http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.56.710
 There are marks for the start of the renaming, type-checking, and export
 phases.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3021#comment:1>
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