[GHC] #7275: Give more detailed information about PINNED data in a heap profile

[GHC]

#7275: Give more detailed information about PINNED data in a heap profile
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        Reporter:  edsko             |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.6.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
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Changes (by bgamari):

 * component:  Profiling => Compiler


Comment:

 We discussed this during this week's GHC meeting. Simon Marlow confirmed
 that Ian's suggestion would likely be feasible given a few days of effort.
 There is, however, the possibility that we would need to be more careful
 about zeroing out slots that we might accidentally dereference.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7275#comment:8>
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