RTS timer gets turned off when using +RTS -I0
This bug was reported to me by hvr on IRC. I fixed it in GHC yesterday, but we still need a test, and we could potentially merge this to the 7.4 and 7.6 branches:
commit 396f0903
Author: Simon Marlow <marlowsd@gmail.com>
Date: Tue Aug 7 14:44:46 2012 +0100
Fix a bug in the handling of recent_activity
The problem occurred when the idle GC was turned off with +RTS -I0.
Then the scheduler would go into the state ACTIVITY_DONE_GC directly
without doing a GC, and a subsequent GC would put it back to
ACTIVITY_YES but without turning the timer back on. Instead if the GC
finds the state is ACTIVITY_DONE_GC it should leave it there.Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.4.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | high |
| Resolution | Unresolved |
| Component | Runtime System |
| Test case | |
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