--- old/src/hotspot/share/runtime/threadSMR.hpp 2017-12-07 20:38:34.000000000 -0500 +++ new/src/hotspot/share/runtime/threadSMR.hpp 2017-12-07 20:38:34.000000000 -0500 @@ -81,67 +81,67 @@ // class ThreadsSMRSupport : AllStatic { // The coordination between ThreadsSMRSupport::release_stable_list() and - // ThreadsSMRSupport::smr_delete() uses the smr_delete_lock in order to + // ThreadsSMRSupport::smr_delete() uses the delete_lock in order to // reduce the traffic on the Threads_lock. - static Monitor* _smr_delete_lock; + static Monitor* _delete_lock; // The '_cnt', '_max' and '_times" fields are enabled via // -XX:+EnableThreadSMRStatistics (see thread.cpp for a // description about each field): - static uint _smr_delete_lock_wait_cnt; - static uint _smr_delete_lock_wait_max; - // The smr_delete_notify flag is used for proper double-check - // locking in order to reduce the traffic on the smr_delete_lock. - static volatile uint _smr_delete_notify; - static volatile uint _smr_deleted_thread_cnt; - static volatile uint _smr_deleted_thread_time_max; - static volatile uint _smr_deleted_thread_times; - static ThreadsList* volatile _smr_java_thread_list; - static uint64_t _smr_java_thread_list_alloc_cnt; - static uint64_t _smr_java_thread_list_free_cnt; - static uint _smr_java_thread_list_max; - static uint _smr_nested_thread_list_max; - static volatile uint _smr_tlh_cnt; - static volatile uint _smr_tlh_time_max; - static volatile uint _smr_tlh_times; - static ThreadsList* _smr_to_delete_list; - static uint _smr_to_delete_list_cnt; - static uint _smr_to_delete_list_max; + static uint _delete_lock_wait_cnt; + static uint _delete_lock_wait_max; + // The delete_notify flag is used for proper double-check + // locking in order to reduce the traffic on the delete_lock. + static volatile uint _delete_notify; + static volatile uint _deleted_thread_cnt; + static volatile uint _deleted_thread_time_max; + static volatile uint _deleted_thread_times; + static ThreadsList* volatile _java_thread_list; + static uint64_t _java_thread_list_alloc_cnt; + static uint64_t _java_thread_list_free_cnt; + static uint _java_thread_list_max; + static uint _nested_thread_list_max; + static volatile uint _tlh_cnt; + static volatile uint _tlh_time_max; + static volatile uint _tlh_times; + static ThreadsList* _to_delete_list; + static uint _to_delete_list_cnt; + static uint _to_delete_list_max; static ThreadsList *acquire_stable_list_fast_path(Thread *self); static ThreadsList *acquire_stable_list_nested_path(Thread *self); - static void add_smr_deleted_thread_times(uint add_value); - static void add_smr_tlh_times(uint add_value); - static void clear_smr_delete_notify(); - static void inc_smr_deleted_thread_cnt(); - static void inc_smr_java_thread_list_alloc_cnt(); - static void inc_smr_tlh_cnt(); + static void add_deleted_thread_times(uint add_value); + static void add_tlh_times(uint add_value); + static void clear_delete_notify(); + static Monitor* delete_lock() { return _delete_lock; } + static bool delete_notify(); + static void free_list(ThreadsList* threads); + static void inc_deleted_thread_cnt(); + static void inc_java_thread_list_alloc_cnt(); + static void inc_tlh_cnt(); static bool is_a_protected_JavaThread(JavaThread *thread); static void release_stable_list_fast_path(Thread *self); static void release_stable_list_nested_path(Thread *self); static void release_stable_list_wake_up(char *log_str); - static void set_smr_delete_notify(); - static Monitor* smr_delete_lock() { return _smr_delete_lock; } - static bool smr_delete_notify(); - static void smr_free_list(ThreadsList* threads); - static void update_smr_deleted_thread_time_max(uint new_value); - static void update_smr_java_thread_list_max(uint new_value); - static void update_smr_tlh_time_max(uint new_value); - static ThreadsList* xchg_smr_java_thread_list(ThreadsList* new_list); + static void set_delete_notify(); + static void update_deleted_thread_time_max(uint new_value); + static void update_java_thread_list_max(uint new_value); + static void update_tlh_time_max(uint new_value); + static ThreadsList* xchg_java_thread_list(ThreadsList* new_list); public: static ThreadsList *acquire_stable_list(Thread *self, bool is_ThreadsListSetter); static void add_thread(JavaThread *thread); - static ThreadsList* get_smr_java_thread_list(); + static ThreadsList* get_java_thread_list(); static bool is_a_protected_JavaThread_with_lock(JavaThread *thread); static void release_stable_list(Thread *self); static void remove_thread(JavaThread *thread); static void smr_delete(JavaThread *thread); - static void update_smr_tlh_stats(uint millis); + static void update_tlh_stats(uint millis); // Logging and printing support: - static void log_smr_statistics(); - static void print_smr_info_elements_on(outputStream* st, ThreadsList* t_list); - static void print_smr_info_on(outputStream* st); + static void log_statistics(); + static void print_info_elements_on(outputStream* st, ThreadsList* t_list); + static void print_info_on(outputStream* st); }; // A fast list of JavaThreads.