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src/share/vm/jfr/leakprofiler/chains/edgeUtils.hpp
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rev 9055 : 8214542: JFR: Old Object Sample event slow on a deep heap in debug builds
Reviewed-by: egahlin, rwestberg
@@ -26,26 +26,26 @@
#define SHARE_VM_LEAKPROFILER_CHAINS_EDGEUTILS_HPP
#include "memory/allocation.hpp"
class Edge;
-class RoutableEdge;
class Symbol;
class EdgeUtils : public AllStatic {
public:
- static bool is_leak_edge(const Edge& edge);
+ static const size_t leak_context = 100;
+ static const size_t root_context = 100;
+ static const size_t max_ref_chain_depth = leak_context + root_context;
+ static bool is_leak_edge(const Edge& edge);
static const Edge* root(const Edge& edge);
- static bool is_root(const Edge& edge);
+ static const Edge* ancestor(const Edge& edge, size_t distance);
static bool is_array_element(const Edge& edge);
static int array_index(const Edge& edge);
static int array_size(const Edge& edge);
static const Symbol* field_name_symbol(const Edge& edge);
static jshort field_modifiers(const Edge& edge);
-
- static void collapse_chain(const RoutableEdge& edge);
};
#endif // SHARE_VM_LEAKPROFILER_CHAINS_EDGEUTILS_HPP
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