[GHC] #1933: Zero times in profiling with GHC-6.8.1

[GHC]

#1933: Zero times in profiling with GHC-6.8.1
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 Reporter:  daniel.is.fischer  |          Owner:  simonmar
     Type:  bug                |         Status:  new     
 Priority:  normal             |      Milestone:  6.8.3   
Component:  Profiling          |        Version:  6.8.1   
 Severity:  normal             |     Resolution:          
 Keywords:                     |     Difficulty:  Unknown 
 Testcase:                     |   Architecture:  x86     
       Os:  Linux              |  
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Comment (by simonmar):

 (the patch was a darcs patch, sorry for not mentioning that)

 Ok, could you possibly investigate this manually?  It's pretty hard to
 debug it remotely.  To experiment, you can just cut out the test program
 from `aclocal.m4` and play with it separately.

 Clearly something is not working with `timer_create()` on your system, we
 need to figure out what it is, and write a configure test that detects the
 problem.  One thing you could try is modifying the test to test the
 `CLOCK_PROCESS_CPUTIME_ID` timer instead of the `CLOCK_REALTIME` timer,
 but you'll need to add a cpu-time-consuming loop into the code.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1933#comment:13>
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