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diff src/share/vm/gc_interface/collectedHeap.hpp @ 20446:c10b463abc6e

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8057824: methods to copy allocation context statistics Reviewed-by: mikael, jmasa, tschatzl
author jcoomes
date Wed, 10 Sep 2014 13:01:13 -0700
parents 439f0d76cff3
children ef9eda2c1abe
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--- a/src/share/vm/gc_interface/collectedHeap.hpp	Wed Sep 10 13:01:13 2014 -0700
+++ b/src/share/vm/gc_interface/collectedHeap.hpp	Wed Sep 10 13:01:13 2014 -0700
@@ -637,6 +637,15 @@
   // actual number may be germane.
   static bool use_parallel_gc_threads() { return ParallelGCThreads > 0; }
 
+  // Copy the current allocation context statistics for the specified contexts.
+  // For each context in contexts, set the corresponding entries in the totals
+  // and accuracy arrays to the current values held by the statistics.  Each
+  // array should be of length len.
+  virtual void copy_allocation_context_stats(const jint* contexts,
+                                             jlong* totals,
+                                             jbyte* accuracy,
+                                             jint len) { }
+
   /////////////// Unit tests ///////////////
 
   NOT_PRODUCT(static void test_is_in();)