#4225: RTS option to remove profiling overhead from heap profile time stamps
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Reporter: ClaudiusMaximus | Owner:
Type: feature request | Status: new
Priority: normal | Component: Profiling
Version: 6.12.3 | Keywords:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by malcolm.wall...@…):
I believe that the runtime system, when gathering a census for profiling
at GC time, disables the timer and re-enables it again after the census is
complete. This is specifically to eliminate the overheads of profiling
from the resulting graph. If something has changed to break this
property, then it should be fixed in the RTS, not post-processed away by
hp2ps.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4225#comment:1>
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