Mercurial > hg > truffle
diff src/share/vm/oops/metadata.hpp @ 14655:7380034e5b31
8035735: Metaspace::contains become extremely slow in some cases
Summary: Call is_metadata instead which does less work for the call in debugInfo.hpp which is called for all compiled code stack frames.
Reviewed-by: jmasa, dcubed
author | coleenp |
---|---|
date | Mon, 03 Mar 2014 13:58:52 -0500 |
parents | cd6b3f1a94ff |
children | 92aa6797d639 52b4284cb496 |
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--- a/src/share/vm/oops/metadata.hpp Sat Mar 01 09:56:15 2014 -0800 +++ b/src/share/vm/oops/metadata.hpp Mon Mar 03 13:58:52 2014 -0500 @@ -42,6 +42,7 @@ // Rehashing support for tables containing pointers to this unsigned int new_hash(juint seed) { ShouldNotReachHere(); return 0; } + virtual bool is_metadata() const volatile { return true; } virtual bool is_klass() const volatile { return false; } virtual bool is_method() const volatile { return false; } virtual bool is_methodData() const volatile { return false; }