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0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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0N/A * accompanied this code).
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0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A
1879N/A#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COLLECTORCOUNTERS_HPP
1879N/A#define SHARE_VM_GC_IMPLEMENTATION_SHARED_COLLECTORCOUNTERS_HPP
1879N/A
1879N/A#include "runtime/perfData.hpp"
1879N/A
0N/A// CollectorCounters is a holder class for performance counters
0N/A// that track a collector
0N/A
3863N/Aclass CollectorCounters: public CHeapObj<mtGC> {
0N/A friend class VMStructs;
0N/A
0N/A private:
0N/A PerfCounter* _invocations;
0N/A PerfCounter* _time;
0N/A PerfVariable* _last_entry_time;
0N/A PerfVariable* _last_exit_time;
0N/A
0N/A // Constant PerfData types don't need to retain a reference.
0N/A // However, it's a good idea to document them here.
0N/A // PerfStringConstant* _name;
0N/A
0N/A char* _name_space;
0N/A
0N/A public:
0N/A
0N/A CollectorCounters(const char* name, int ordinal);
0N/A
0N/A ~CollectorCounters() {
3863N/A if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC);
0N/A }
0N/A
0N/A inline PerfCounter* invocation_counter() const { return _invocations; }
0N/A
0N/A inline PerfCounter* time_counter() const { return _time; }
0N/A
0N/A inline PerfVariable* last_entry_counter() const { return _last_entry_time; }
0N/A
0N/A inline PerfVariable* last_exit_counter() const { return _last_exit_time; }
0N/A
0N/A const char* name_space() const { return _name_space; }
0N/A};
0N/A
0N/Aclass TraceCollectorStats: public PerfTraceTimedEvent {
0N/A
0N/A protected:
0N/A CollectorCounters* _c;
0N/A
0N/A public:
0N/A inline TraceCollectorStats(CollectorCounters* c) :
0N/A PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
0N/A _c(c) {
0N/A
0N/A if (UsePerfData) {
0N/A _c->last_entry_counter()->set_value(os::elapsed_counter());
0N/A }
0N/A }
0N/A
0N/A inline ~TraceCollectorStats() {
0N/A if (UsePerfData) _c->last_exit_counter()->set_value(os::elapsed_counter());
0N/A }
0N/A};
1879N/A
1879N/A#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_COLLECTORCOUNTERS_HPP