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diff src/share/vm/gc_implementation/g1/g1_globals.hpp @ 12080:5888334c9c24

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7145569: G1: optimize nmethods scanning Summary: Add a list of nmethods to the RSet for a region that contain references into the region. Skip scanning the code cache during root scanning and scan the nmethod lists during RSet scanning instead. Reviewed-by: tschatzl, brutisso, mgerdin, twisti, kvn
author johnc
date Thu, 15 Aug 2013 10:52:18 +0200
parents 8d4ff57af591
children cefad50507d8 893ce66f7473
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--- a/src/share/vm/gc_implementation/g1/g1_globals.hpp	Thu Aug 15 10:05:50 2013 +0200
+++ b/src/share/vm/gc_implementation/g1/g1_globals.hpp	Thu Aug 15 10:52:18 2013 +0200
@@ -319,7 +319,10 @@
                                                                             \
   diagnostic(bool, G1VerifyRSetsDuringFullGC, false,                        \
              "If true, perform verification of each heap region's "         \
-             "remembered set when verifying the heap during a full GC.")
+             "remembered set when verifying the heap during a full GC.")    \
+                                                                            \
+  diagnostic(bool, G1VerifyHeapRegionCodeRoots, false,                      \
+             "Verify the code root lists attached to each heap region.")
 
 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)