Add +RTS -vg flag for requesting some GC trace messages, outside DEBUG
authorSimon Marlow <simonmarhaskell@gmail.com>
Wed, 16 Apr 2008 21:35:04 +0000 (21:35 +0000)
committerSimon Marlow <simonmarhaskell@gmail.com>
Wed, 16 Apr 2008 21:35:04 +0000 (21:35 +0000)
DEBUG imposes a significant performance hit in the GC, yet we often
want some of the debugging output, so -vg gives us the cheap trace
messages without the sanity checking of DEBUG, just like -vs for the
scheduler.


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