[GHC] #9384: setNumCapabilities call breaks eventlog events

[GHC]

#9384: setNumCapabilities call breaks eventlog events
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              Reporter:  slyfox      |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Profiling   |          Version:  7.8.3
            Resolution:              |         Keywords:
      Operating System:  Linux       |     Architecture:  x86_64 (amd64)
       Type of failure:  Incorrect   |       Difficulty:  Unknown
  result at runtime                  |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:              |
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Comment (by gintas):

 FWIW I also ran into this bug while trying to profile ghc itself.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9384#comment:2>
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