[GHC] #9384: setNumCapabilities call breaks eventlog events

[GHC]

#9384: setNumCapabilities call breaks eventlog events
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        Reporter:  slyfox            |                   Owner:
            Type:  bug               |                  Status:  merge
        Priority:  high              |               Milestone:  7.10.1
       Component:  Profiling         |                 Version:  7.8.3
      Resolution:                    |                Keywords:
Operating System:  Linux             |            Architecture:  x86_64
 Type of failure:  Incorrect result  |  (amd64)
  at runtime                         |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D592
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Changes (by slyfox):

 * status:  patch => merge


Comment:

 Tested manually on sample attached: works fine with threadscope-0.2.6 \o/

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9384#comment:8>
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