Mercurial > hg > graal-compiler
diff src/share/vm/runtime/sweeper.hpp @ 14909:4ca6dc0799b6
Backout jdk9 merge
author | Gilles Duboscq <duboscq@ssw.jku.at> |
---|---|
date | Tue, 01 Apr 2014 13:57:07 +0200 |
parents | 49a31fd8b93d |
children | 52b4284cb496 |
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--- a/src/share/vm/runtime/sweeper.hpp Tue Apr 01 14:09:03 2014 +0200 +++ b/src/share/vm/runtime/sweeper.hpp Tue Apr 01 13:57:07 2014 +0200 @@ -54,33 +54,28 @@ // is full. class NMethodSweeper : public AllStatic { - static long _traversals; // Stack scan count, also sweep ID. - static long _total_nof_code_cache_sweeps; // Total number of full sweeps of the code cache - static long _time_counter; // Virtual time used to periodically invoke sweeper - static long _last_sweep; // Value of _time_counter when the last sweep happened - static nmethod* _current; // Current nmethod - static int _seen; // Nof. nmethod we have currently processed in current pass of CodeCache - static int _flushed_count; // Nof. nmethods flushed in current sweep - static int _zombified_count; // Nof. nmethods made zombie in current sweep - static int _marked_for_reclamation_count; // Nof. nmethods marked for reclaim in current sweep + static long _traversals; // Stack scan count, also sweep ID. + static long _time_counter; // Virtual time used to periodically invoke sweeper + static long _last_sweep; // Value of _time_counter when the last sweep happened + static nmethod* _current; // Current nmethod + static int _seen; // Nof. nmethod we have currently processed in current pass of CodeCache + static int _flushed_count; // Nof. nmethods flushed in current sweep + static int _zombified_count; // Nof. nmethods made zombie in current sweep + static int _marked_for_reclamation_count; // Nof. nmethods marked for reclaim in current sweep - static volatile int _sweep_fractions_left; // Nof. invocations left until we are completed with this pass - static volatile int _sweep_started; // Flag to control conc sweeper - static volatile bool _should_sweep; // Indicates if we should invoke the sweeper - static volatile int _bytes_changed; // Counts the total nmethod size if the nmethod changed from: - // 1) alive -> not_entrant - // 2) not_entrant -> zombie - // 3) zombie -> marked_for_reclamation + static volatile int _sweep_fractions_left; // Nof. invocations left until we are completed with this pass + static volatile int _sweep_started; // Flag to control conc sweeper + static volatile bool _should_sweep; // Indicates if we should invoke the sweeper + static volatile int _bytes_changed; // Counts the total nmethod size if the nmethod changed from: + // 1) alive -> not_entrant + // 2) not_entrant -> zombie + // 3) zombie -> marked_for_reclamation // Stat counters - static long _total_nof_methods_reclaimed; // Accumulated nof methods flushed - static long _total_nof_c2_methods_reclaimed; // Accumulated nof C2-compiled methods flushed - static size_t _total_flushed_size; // Total size of flushed methods - static int _hotness_counter_reset_val; - - static Tickspan _total_time_sweeping; // Accumulated time sweeping - static Tickspan _total_time_this_sweep; // Total time this sweep - static Tickspan _peak_sweep_time; // Peak time for a full sweep - static Tickspan _peak_sweep_fraction_time; // Peak time sweeping one fraction + static int _total_nof_methods_reclaimed; // Accumulated nof methods flushed + static Tickspan _total_time_sweeping; // Accumulated time sweeping + static Tickspan _total_time_this_sweep; // Total time this sweep + static Tickspan _peak_sweep_time; // Peak time for a full sweep + static Tickspan _peak_sweep_fraction_time; // Peak time sweeping one fraction static int process_nmethod(nmethod *nm); static void release_nmethod(nmethod* nm); @@ -88,6 +83,8 @@ static bool sweep_in_progress(); static void sweep_code_cache(); + static int _hotness_counter_reset_val; + public: static long traversal_count() { return _traversals; } static int total_nof_methods_reclaimed() { return _total_nof_methods_reclaimed; } @@ -108,10 +105,10 @@ static void mark_active_nmethods(); // Invoked at the end of each safepoint static void possibly_sweep(); // Compiler threads call this to sweep + static int sort_nmethods_by_hotness(nmethod** nm1, nmethod** nm2); static int hotness_counter_reset_val(); static void report_state_change(nmethod* nm); static void possibly_enable_sweeper(); - static void print(); // Printing/debugging }; #endif // SHARE_VM_RUNTIME_SWEEPER_HPP