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Diffstat (limited to 'storage/perfschema/pfs_instr.h')
| -rw-r--r-- | storage/perfschema/pfs_instr.h | 814 |
1 files changed, 814 insertions, 0 deletions
diff --git a/storage/perfschema/pfs_instr.h b/storage/perfschema/pfs_instr.h new file mode 100644 index 00000000..ec7dff7d --- /dev/null +++ b/storage/perfschema/pfs_instr.h @@ -0,0 +1,814 @@ +/* Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2.0, + as published by the Free Software Foundation. + + This program is also distributed with certain software (including + but not limited to OpenSSL) that is licensed under separate terms, + as designated in a particular file or component or in included license + documentation. The authors of MySQL hereby grant you an additional + permission to link the program and your derivative works with the + separately licensed software that they have included with MySQL. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License, version 2.0, for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +#ifndef PFS_INSTR_H +#define PFS_INSTR_H + +/** + @file storage/perfschema/pfs_instr.h + Performance schema instruments (declarations). +*/ + +struct PFS_mutex_class; +struct PFS_rwlock_class; +struct PFS_cond_class; +struct PFS_file_class; +struct PFS_table_share; +struct PFS_thread_class; +struct PFS_socket_class; +class PFS_opaque_container_page; + +class THD; + +#include "my_global.h" +#ifdef _WIN32 +#include <winsock2.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#include "my_compiler.h" +#include "pfs_lock.h" +#include "pfs_stat.h" +#include "pfs_instr_class.h" +#include "pfs_events_waits.h" +#include "pfs_events_stages.h" +#include "pfs_events_statements.h" +#include "pfs_events_transactions.h" +#include "pfs_server.h" +#include "lf.h" +#include "pfs_con_slice.h" +#include "pfs_column_types.h" +#include "mdl.h" +#include "violite.h" /* enum_vio_type */ + +extern PFS_single_stat *thread_instr_class_waits_array_start; +extern PFS_single_stat *thread_instr_class_waits_array_end; +extern my_bool show_compatibility_56; + +/** + @addtogroup Performance_schema_buffers + @{ +*/ + +struct PFS_thread; +struct PFS_host; +struct PFS_user; +struct PFS_account; + +/** Base structure for wait instruments. */ +struct PFS_instr +{ + /** Internal lock. */ + pfs_lock m_lock; + /** Enabled flag. */ + bool m_enabled; + /** Timed flag. */ + bool m_timed; + /** Container page. */ + PFS_opaque_container_page *m_page; +}; + +/** Instrumented mutex implementation. @see PSI_mutex. */ +struct PFS_ALIGNED PFS_mutex : public PFS_instr +{ + /** Mutex identity, typically a pthread_mutex_t. */ + const void *m_identity; + /** Mutex class. */ + PFS_mutex_class *m_class; + /** Instrument statistics. */ + PFS_mutex_stat m_mutex_stat; + /** Current owner. */ + PFS_thread *m_owner; + /** + Timestamp of the last lock. + This statistic is not exposed in user visible tables yet. + */ + ulonglong m_last_locked; +}; + +/** Instrumented rwlock implementation. @see PSI_rwlock. */ +struct PFS_ALIGNED PFS_rwlock : public PFS_instr +{ + /** RWLock identity, typically a pthread_rwlock_t. */ + const void *m_identity; + /** RWLock class. */ + PFS_rwlock_class *m_class; + /** Instrument statistics. */ + PFS_rwlock_stat m_rwlock_stat; + /** Current writer thread. */ + PFS_thread *m_writer; + /** Current count of readers. */ + uint m_readers; + /** + Timestamp of the last write. + This statistic is not exposed in user visible tables yet. + */ + ulonglong m_last_written; + /** + Timestamp of the last read. + This statistic is not exposed in user visible tables yet. + */ + ulonglong m_last_read; +}; + +/** Instrumented cond implementation. @see PSI_cond. */ +struct PFS_ALIGNED PFS_cond : public PFS_instr +{ + /** Condition identity, typically a pthread_cond_t. */ + const void *m_identity; + /** Condition class. */ + PFS_cond_class *m_class; + /** Condition instance usage statistics. */ + PFS_cond_stat m_cond_stat; +}; + +/** Instrumented File and FILE implementation. @see PSI_file. */ +struct PFS_ALIGNED PFS_file : public PFS_instr +{ + uint32 get_version() + { return m_lock.get_version(); } + + /** File identity */ + const void *m_identity; + /** File name. */ + char m_filename[FN_REFLEN]; + /** File name length in bytes. */ + uint m_filename_length; + /** File class. */ + PFS_file_class *m_class; + /** File usage statistics. */ + PFS_file_stat m_file_stat; + /** True if a temporary file. */ + bool m_temporary; +}; + +/** Instrumented table implementation. @see PSI_table. */ +struct PFS_ALIGNED PFS_table +{ + /** + True if table io instrumentation is enabled. + This flag is computed. + */ + bool m_io_enabled; + /** + True if table lock instrumentation is enabled. + This flag is computed. + */ + bool m_lock_enabled; + /** + True if table io instrumentation is timed. + This flag is computed. + */ + bool m_io_timed; + /** + True if table lock instrumentation is timed. + This flag is computed. + */ + bool m_lock_timed; + + /** True if table io statistics have been collected. */ + bool m_has_io_stats; + + /** True if table lock statistics have been collected. */ + bool m_has_lock_stats; + +public: + /** + Aggregate this table handle statistics to the parents. + Only use this method for handles owned by the calling code. + @sa sanitized_aggregate. + */ + void aggregate(const TABLE_SHARE *server_share) + { + if (m_has_io_stats) + { + safe_aggregate_io(server_share, & m_table_stat, m_share); + m_has_io_stats= false; + } + if (m_has_lock_stats) + { + safe_aggregate_lock(& m_table_stat, m_share); + m_has_lock_stats= false; + } + } + + /** + Aggregate this table handle statistics to the parents. + This method is safe to call on handles not owned by the calling code. + @sa aggregate + @sa sanitized_aggregate_io + @sa sanitized_aggregate_lock + */ + void sanitized_aggregate(void); + + /** + Aggregate this table handle io statistics to the parents. + This method is safe to call on handles not owned by the calling code. + */ + void sanitized_aggregate_io(void); + + /** + Aggregate this table handle lock statistics to the parents. + This method is safe to call on handles not owned by the calling code. + */ + void sanitized_aggregate_lock(void); + + /** Internal lock. */ + pfs_lock m_lock; + /** Thread Owner. */ + PFS_thread *m_thread_owner; + /** Event Owner. */ + ulonglong m_owner_event_id; + /** Table share. */ + PFS_table_share *m_share; + /** Table identity, typically a handler. */ + const void *m_identity; + /** Table statistics. */ + PFS_table_stat m_table_stat; + /** Current internal lock. */ + PFS_TL_LOCK_TYPE m_internal_lock; + /** Current external lock. */ + PFS_TL_LOCK_TYPE m_external_lock; + /** Container page. */ + PFS_opaque_container_page *m_page; + +private: + static void safe_aggregate_io(const TABLE_SHARE *optional_server_share, + PFS_table_stat *stat, + PFS_table_share *safe_share); + static void safe_aggregate_lock(PFS_table_stat *stat, + PFS_table_share *safe_share); +}; + +/** Instrumented socket implementation. @see PSI_socket. */ +struct PFS_ALIGNED PFS_socket : public PFS_instr +{ + uint32 get_version() + { return m_lock.get_version(); } + + /** Socket identity, typically int */ + const void *m_identity; + /** Owning thread, if applicable */ + PFS_thread *m_thread_owner; + /** Socket file descriptor */ + uint m_fd; + /** Raw socket address */ + struct sockaddr_storage m_sock_addr; + /** Length of address */ + socklen_t m_addr_len; + /** Idle flag. */ + bool m_idle; + /** Socket class. */ + PFS_socket_class *m_class; + /** Socket usage statistics. */ + PFS_socket_stat m_socket_stat; +}; + +/** Instrumented metadata lock implementation. @see PSI_metadata_lock. */ +struct PFS_ALIGNED PFS_metadata_lock : public PFS_instr +{ + uint32 get_version() + { return m_lock.get_version(); } + + /** Lock identity. */ + const void *m_identity; + MDL_key m_mdl_key; + opaque_mdl_type m_mdl_type; + opaque_mdl_duration m_mdl_duration; + opaque_mdl_status m_mdl_status; + const char *m_src_file; + uint m_src_line; + ulonglong m_owner_thread_id; + ulonglong m_owner_event_id; +}; + +/** + @def WAIT_STACK_LOGICAL_SIZE + Maximum number of nested waits. + Some waits, such as: + - "wait/io/table/sql/handler" + - "wait/lock/table/sql/handler" + are implemented by calling code in a storage engine, + that can cause nested waits (file io, mutex, ...) + Because of partitioned tables, a table io event (on the whole table) + can contain a nested table io event (on a partition). + Because of additional debug instrumentation, + waiting on what looks like a "mutex" (safe_mutex, innodb sync0sync, ...) + can cause nested waits to be recorded. + For example, a wait on innodb mutexes can lead to: + - wait/sync/mutex/innobase/some_mutex + - wait/sync/mutex/innobase/sync0sync + - wait/sync/mutex/innobase/os0sync + The max depth of the event stack must be sufficient + for these low level details to be visible. +*/ +#define WAIT_STACK_LOGICAL_SIZE 5 +/** + @def WAIT_STACK_BOTTOM + Maximum number dummy waits records. + One dummy record is reserved for the parent stage / statement / transaction, + at the bottom of the wait stack. +*/ +#define WAIT_STACK_BOTTOM 1 +/** + @def WAIT_STACK_SIZE + Physical size of the waits stack +*/ +#define WAIT_STACK_SIZE (WAIT_STACK_BOTTOM + WAIT_STACK_LOGICAL_SIZE) + +/** Max size of the statements stack. */ +extern uint statement_stack_max; +/** Max size of the digests token array. */ +extern size_t pfs_max_digest_length; +/** Max size of SQL TEXT. */ +extern size_t pfs_max_sqltext; + +/** Instrumented thread implementation. @see PSI_thread. */ +struct PFS_ALIGNED PFS_thread : PFS_connection_slice +{ + static PFS_thread* get_current_thread(void); + + /** Thread instrumentation flag. */ + bool m_enabled; + /** Thread history instrumentation flag. */ + bool m_history; + + /** + Derived flag flag_events_waits_history, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_WAITS_HISTORY].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_waits_history; + /** + Derived flag flag_events_waits_history_long, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_WAITS_HISTORY_LONG].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_waits_history_long; + /** + Derived flag flag_events_stages_history, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_STAGES_HISTORY].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_stages_history; + /** + Derived flag flag_events_stages_history_long, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_STAGES_HISTORY_LONG].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_stages_history_long; + /** + Derived flag flag_events_statements_history, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_STATEMENTS_HISTORY].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_statements_history; + /** + Derived flag flag_events_statements_history_long, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_STATEMENTS_HISTORY_LONG].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_statements_history_long; + /** + Derived flag flag_events_transactions_history, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_TRANSACTIONS_HISTORY].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_transactions_history; + /** + Derived flag flag_events_transactions_history_long, per thread. + Cached computation of + TABLE SETUP_CONSUMERS[EVENTS_TRANSACTIONS_HISTORY_LONG].ENABLED == 'YES' + AND + TABLE THREADS[THREAD_ID].HISTORY == 'YES' + */ + bool m_flag_events_transactions_history_long; + + /** Current wait event in the event stack. */ + PFS_events_waits *m_events_waits_current; + /** Event ID counter */ + ulonglong m_event_id; + /** + Internal lock. + This lock is exclusively used to protect against races + when creating and destroying PFS_thread. + Do not use this lock to protect thread attributes, + use one of @c m_stmt_lock or @c m_session_lock instead. + */ + pfs_lock m_lock; + /** Pins for filename_hash. */ + LF_PINS *m_filename_hash_pins; + /** Pins for table_share_hash. */ + LF_PINS *m_table_share_hash_pins; + /** Pins for setup_actor_hash. */ + LF_PINS *m_setup_actor_hash_pins; + /** Pins for setup_object_hash. */ + LF_PINS *m_setup_object_hash_pins; + /** Pins for host_hash. */ + LF_PINS *m_host_hash_pins; + /** Pins for user_hash. */ + LF_PINS *m_user_hash_pins; + /** Pins for account_hash. */ + LF_PINS *m_account_hash_pins; + /** Pins for digest_hash. */ + LF_PINS *m_digest_hash_pins; + /** Pins for routine_hash. */ + LF_PINS *m_program_hash_pins; + /** Internal thread identifier, unique. */ + ulonglong m_thread_internal_id; + /** Parent internal thread identifier. */ + ulonglong m_parent_thread_internal_id; + /** External (SHOW PROCESSLIST) thread identifier, not unique. */ + ulong m_processlist_id; + /** External (Operating system) thread identifier, if any. */ + uint32 m_thread_os_id; + /** Thread class. */ + PFS_thread_class *m_class; + /** + Stack of events waits. + This member holds the data for the table PERFORMANCE_SCHEMA.EVENTS_WAITS_CURRENT. + Note that stack[0] is a dummy record that represents the parent stage/statement/transaction. + For example, assuming the following tree: + - STAGE ID 100 + - WAIT ID 101, parent STAGE 100 + - WAIT ID 102, parent wait 101 + the data in the stack will be: + stack[0].m_event_id= 100, set by the stage instrumentation + stack[0].m_event_type= STAGE, set by the stage instrumentation + stack[0].m_nesting_event_id= unused + stack[0].m_nesting_event_type= unused + stack[1].m_event_id= 101 + stack[1].m_event_type= WAIT + stack[1].m_nesting_event_id= stack[0].m_event_id= 100 + stack[1].m_nesting_event_type= stack[0].m_event_type= STAGE + stack[2].m_event_id= 102 + stack[2].m_event_type= WAIT + stack[2].m_nesting_event_id= stack[1].m_event_id= 101 + stack[2].m_nesting_event_type= stack[1].m_event_type= WAIT + + The whole point of the stack[0] record is to allow this optimization + in the code, in the instrumentation for wait events: + wait->m_nesting_event_id= (wait-1)->m_event_id; + wait->m_nesting_event_type= (wait-1)->m_event_type; + This code works for both the top level wait, and nested waits, + and works without if conditions, which helps performances. + */ + PFS_events_waits m_events_waits_stack[WAIT_STACK_SIZE]; + /** True if the circular buffer @c m_waits_history is full. */ + bool m_waits_history_full; + /** Current index in the circular buffer @c m_waits_history. */ + uint m_waits_history_index; + /** + Waits history circular buffer. + This member holds the data for the table + PERFORMANCE_SCHEMA.EVENTS_WAITS_HISTORY. + */ + PFS_events_waits *m_waits_history; + + /** True if the circular buffer @c m_stages_history is full. */ + bool m_stages_history_full; + /** Current index in the circular buffer @c m_stages_history. */ + uint m_stages_history_index; + /** + Stages history circular buffer. + This member holds the data for the table + PERFORMANCE_SCHEMA.EVENTS_STAGES_HISTORY. + */ + PFS_events_stages *m_stages_history; + + /** True if the circular buffer @c m_statements_history is full. */ + bool m_statements_history_full; + /** Current index in the circular buffer @c m_statements_history. */ + uint m_statements_history_index; + /** + Statements history circular buffer. + This member holds the data for the table + PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. + */ + PFS_events_statements *m_statements_history; + + /** True if the circular buffer @c m_transactions_history is full. */ + bool m_transactions_history_full; + /** Current index in the circular buffer @c m_transactions_history. */ + uint m_transactions_history_index; + /** + Statements history circular buffer. + This member holds the data for the table + PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_HISTORY. + */ + PFS_events_transactions *m_transactions_history; + + /** + Internal lock, for session attributes. + Statement attributes are expected to be updated in frequently, + typically per session execution. + */ + pfs_lock m_session_lock; + + /** + User name. + Protected by @c m_session_lock. + */ + char m_username[USERNAME_LENGTH]; + /** + Length of @c m_username. + Protected by @c m_session_lock. + */ + uint m_username_length; + /** + Host name. + Protected by @c m_session_lock. + */ + char m_hostname[HOSTNAME_LENGTH]; + /** + Length of @c m_hostname. + Protected by @c m_session_lock. + */ + uint m_hostname_length; + /** + Database name. + Protected by @c m_stmt_lock. + */ + char m_dbname[NAME_LEN]; + /** + Length of @c m_dbname. + Protected by @c m_stmt_lock. + */ + uint m_dbname_length; + /** Current command. */ + int m_command; + /** Connection type. */ + enum_vio_type m_connection_type; + /** Start time. */ + time_t m_start_time; + /** + Internal lock, for statement attributes. + Statement attributes are expected to be updated frequently, + typically per statement execution. + */ + pfs_lock m_stmt_lock; + /** Processlist state (derived from stage). */ + PFS_stage_key m_stage; + /** Current stage progress. */ + PSI_stage_progress* m_stage_progress; + /** + Processlist info. + Protected by @c m_stmt_lock. + */ + char m_processlist_info[COL_INFO_SIZE]; + /** + Length of @c m_processlist_info_length. + Protected by @c m_stmt_lock. + */ + uint m_processlist_info_length; + + PFS_events_stages m_stage_current; + + /** Size of @c m_events_statements_stack. */ + uint m_events_statements_count; + PFS_events_statements *m_statement_stack; + + PFS_events_transactions m_transaction_current; + + THD *m_thd; + PFS_host *m_host; + PFS_user *m_user; + PFS_account *m_account; + + /** Reset session connect attributes */ + void reset_session_connect_attrs(); + + /** + Buffer for the connection attributes. + Protected by @c m_session_lock. + */ + char *m_session_connect_attrs; + /** + Length used by @c m_connect_attrs. + Protected by @c m_session_lock. + */ + uint m_session_connect_attrs_length; + /** + Character set in which @c m_connect_attrs are encoded. + Protected by @c m_session_lock. + */ + uint m_session_connect_attrs_cs_number; + + void carry_memory_stat_delta(PFS_memory_stat_delta *delta, uint index); + + void set_enabled(bool enabled) + { + m_enabled= enabled; + } + + void set_history(bool history) + { + m_history= history; + set_history_derived_flags(); + } + + void set_history_derived_flags(); +}; + +void carry_global_memory_stat_delta(PFS_memory_stat_delta *delta, uint index); + +extern PFS_stage_stat *global_instr_class_stages_array; +extern PFS_statement_stat *global_instr_class_statements_array; +extern PFS_memory_stat *global_instr_class_memory_array; + +PFS_mutex *sanitize_mutex(PFS_mutex *unsafe); +PFS_rwlock *sanitize_rwlock(PFS_rwlock *unsafe); +PFS_cond *sanitize_cond(PFS_cond *unsafe); +PFS_thread *sanitize_thread(PFS_thread *unsafe); +PFS_file *sanitize_file(PFS_file *unsafe); +PFS_socket *sanitize_socket(PFS_socket *unsafe); +PFS_metadata_lock *sanitize_metadata_lock(PFS_metadata_lock *unsafe); + +int init_instruments(const PFS_global_param *param); +void cleanup_instruments(); +int init_file_hash(const PFS_global_param *param); +void cleanup_file_hash(); +PFS_mutex* create_mutex(PFS_mutex_class *mutex_class, const void *identity); +void destroy_mutex(PFS_mutex *pfs); +PFS_rwlock* create_rwlock(PFS_rwlock_class *klass, const void *identity); +void destroy_rwlock(PFS_rwlock *pfs); +PFS_cond* create_cond(PFS_cond_class *klass, const void *identity); +void destroy_cond(PFS_cond *pfs); + +PFS_thread* create_thread(PFS_thread_class *klass, const void *identity, + ulonglong processlist_id); + +void destroy_thread(PFS_thread *pfs); + +PFS_file* find_or_create_file(PFS_thread *thread, PFS_file_class *klass, + const char *filename, uint len, bool create); +void find_and_rename_file(PFS_thread *thread, const char *old_filename, + uint old_len, const char *new_filename, + uint new_len); + +void release_file(PFS_file *pfs); +void destroy_file(PFS_thread *thread, PFS_file *pfs); +PFS_table* create_table(PFS_table_share *share, PFS_thread *opening_thread, + const void *identity); +void destroy_table(PFS_table *pfs); + +PFS_socket* create_socket(PFS_socket_class *socket_class, + const my_socket *fd, + const struct sockaddr *addr, + socklen_t addr_len); +void destroy_socket(PFS_socket *pfs); + +PFS_metadata_lock* create_metadata_lock(void *identity, + const MDL_key *mdl_key, + opaque_mdl_type mdl_type, + opaque_mdl_duration mdl_duration, + opaque_mdl_status mdl_status, + const char *src_file, + uint src_line); +void destroy_metadata_lock(PFS_metadata_lock *pfs); + +/* For iterators and show status. */ + +extern long file_handle_max; +extern ulong file_handle_lost; +extern ulong events_waits_history_per_thread; +extern ulong events_stages_history_per_thread; +extern ulong events_statements_history_per_thread; +extern ulong events_transactions_history_per_thread; +extern ulong locker_lost; +extern ulong statement_lost; +extern ulong session_connect_attrs_lost; +extern ulong session_connect_attrs_size_per_thread; + +/* Exposing the data directly, for iterators. */ + +extern PFS_file **file_handle_array; + +void reset_events_waits_by_instance(); +void reset_file_instance_io(); +void reset_socket_instance_io(); + +void aggregate_all_event_names(PFS_single_stat *from_array, + PFS_single_stat *to_array); +void aggregate_all_event_names(PFS_single_stat *from_array, + PFS_single_stat *to_array_1, + PFS_single_stat *to_array_2); + +void aggregate_all_stages(PFS_stage_stat *from_array, + PFS_stage_stat *to_array); +void aggregate_all_stages(PFS_stage_stat *from_array, + PFS_stage_stat *to_array_1, + PFS_stage_stat *to_array_2); + +void aggregate_all_statements(PFS_statement_stat *from_array, + PFS_statement_stat *to_array); +void aggregate_all_statements(PFS_statement_stat *from_array, + PFS_statement_stat *to_array_1, + PFS_statement_stat *to_array_2); + +void aggregate_all_transactions(PFS_transaction_stat *from_array, + PFS_transaction_stat *to_array); +void aggregate_all_transactions(PFS_transaction_stat *from_array, + PFS_transaction_stat *to_array_1, + PFS_transaction_stat *to_array_2); + +void aggregate_all_memory(bool alive, + PFS_memory_stat *from_array, + PFS_memory_stat *to_array); +void aggregate_all_memory(bool alive, + PFS_memory_stat *from_array, + PFS_memory_stat *to_array_1, + PFS_memory_stat *to_array_2); + +void aggregate_thread(PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); +void aggregate_thread_waits(PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); +void aggregate_thread_stages(PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); +void aggregate_thread_statements(PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); +void aggregate_thread_transactions(PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); + +void aggregate_thread_memory(bool alive, PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); + +void aggregate_thread_status(PFS_thread *thread, + PFS_account *safe_account, + PFS_user *safe_user, + PFS_host *safe_host); + +void clear_thread_account(PFS_thread *thread); +void set_thread_account(PFS_thread *thread); + +/** Update derived flags for all mutex instances. */ +void update_mutex_derived_flags(); +/** Update derived flags for all rwlock instances. */ +void update_rwlock_derived_flags(); +/** Update derived flags for all condition instances. */ +void update_cond_derived_flags(); +/** Update derived flags for all file handles. */ +void update_file_derived_flags(); +/** Update derived flags for all table handles. */ +void update_table_derived_flags(); +/** Update derived flags for all socket instances. */ +void update_socket_derived_flags(); +/** Update derived flags for all metadata instances. */ +void update_metadata_derived_flags(); +/** Update derived flags for all thread instances. */ +void update_thread_derived_flags(); +/** Update derived flags for all instruments. */ +void update_instruments_derived_flags(); + +extern LF_HASH pfs_filename_hash; + +/** @} */ +#endif + |