[GHC] #13830: '+RTS -s' gives incorrect value for work balance in some cases

[GHC]

#13830: '+RTS -s' gives incorrect value for work balance in some cases
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        Reporter:  duog              |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Debugging         |  Unknown/Multiple
  information is incorrect           |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 Mmm, I suspect there are a lot of these sorts of issues since dynamically
 changing the number of capabilities was something of an afterthought
 AFAIK. See #13836 for another which I spotted a few days ago.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13830#comment:1>
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