#5705: getGCStats only works with +RTS -s
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Reporter: tibbe | Owner:
Type: bug | Status: new
Priority: normal | Component: Runtime System
Version: 7.2.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by ezyang):
Yes, this is because the information is collected from GC statistics (note
that you actually probably want -T, because that results in no extra
output.)
I'm pretty sure this is WONTFIX, because GC statistics impose nontrivial
overhead. Something that I've been meaning to do but haven't yet is have
the function throw an exception if stats are not available.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5705#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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