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diff src/share/vm/gc_implementation/g1/g1_globals.hpp @ 3316:cd8e33b2a8ad

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7034139: G1: assert(Thread::current()->is_ConcurrentGC_thread()) failed: only a conc GC thread can call this. Summary: We were calling STS join and leave during a STW pause and we are not suppoesed to. I now only call those during concurrent phase. I also added stress code in the non-product builds to force an overflows (the condition that ws uncovering the bug) to make sure it does not happen again. Reviewed-by: johnc, brutisso
author tonyp
date Fri, 29 Apr 2011 12:40:49 -0400
parents 49a67202bc67
children ff53346271fe
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line diff
--- a/src/share/vm/gc_implementation/g1/g1_globals.hpp	Thu Apr 28 15:29:18 2011 -0700
+++ b/src/share/vm/gc_implementation/g1/g1_globals.hpp	Fri Apr 29 12:40:49 2011 -0400
@@ -311,7 +311,11 @@
                                                                             \
   develop(bool, G1ExitOnExpansionFailure, false,                            \
           "Raise a fatal VM exit out of memory failure in the event "       \
-          " that heap expansion fails due to running out of swap.")
+          " that heap expansion fails due to running out of swap.")         \
+                                                                            \
+  develop(uintx, G1ConcMarkForceOverflow, 0,                                \
+          "The number of times we'll force an overflow during "             \
+          "concurrent marking")
 
 G1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG)