mirror of
https://github.com/MariaDB/server.git
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ad0c218a44
Also, implement MDEV-11027 a little differently from 5.5 and 10.0: recv_apply_hashed_log_recs(): Change the return type back to void (DB_SUCCESS was always returned). Report progress also via systemd using sd_notifyf().
272 lines
8.2 KiB
C++
272 lines
8.2 KiB
C++
/*****************************************************************************
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Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
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Copyright (c) 2008, Google Inc.
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Portions of this file contain modifications contributed and copyrighted by
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Google, Inc. Those modifications are gratefully acknowledged and are described
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briefly in the InnoDB documentation. The contributions by Google are
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incorporated with their permission, and subject to the conditions contained in
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the file COPYING.Google.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file sync/sync0sync.cc
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Mutex, the basic synchronization primitive
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Created 9/5/1995 Heikki Tuuri
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*******************************************************/
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#include "univ.i"
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#include "sync0rw.h"
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#include "sync0sync.h"
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#ifdef UNIV_PFS_MUTEX
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/* Key to register autoinc_mutex with performance schema */
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mysql_pfs_key_t autoinc_mutex_key;
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mysql_pfs_key_t buffer_block_mutex_key;
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mysql_pfs_key_t buf_pool_mutex_key;
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mysql_pfs_key_t buf_pool_zip_mutex_key;
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mysql_pfs_key_t cache_last_read_mutex_key;
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mysql_pfs_key_t dict_foreign_err_mutex_key;
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mysql_pfs_key_t dict_sys_mutex_key;
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mysql_pfs_key_t file_format_max_mutex_key;
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mysql_pfs_key_t fil_system_mutex_key;
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mysql_pfs_key_t flush_list_mutex_key;
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mysql_pfs_key_t fts_bg_threads_mutex_key;
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mysql_pfs_key_t fts_delete_mutex_key;
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mysql_pfs_key_t fts_optimize_mutex_key;
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mysql_pfs_key_t fts_doc_id_mutex_key;
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mysql_pfs_key_t fts_pll_tokenize_mutex_key;
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mysql_pfs_key_t hash_table_mutex_key;
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mysql_pfs_key_t ibuf_bitmap_mutex_key;
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mysql_pfs_key_t ibuf_mutex_key;
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mysql_pfs_key_t ibuf_pessimistic_insert_mutex_key;
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mysql_pfs_key_t log_sys_mutex_key;
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mysql_pfs_key_t log_sys_write_mutex_key;
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mysql_pfs_key_t log_cmdq_mutex_key;
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mysql_pfs_key_t log_flush_order_mutex_key;
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mysql_pfs_key_t mutex_list_mutex_key;
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mysql_pfs_key_t recalc_pool_mutex_key;
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mysql_pfs_key_t page_cleaner_mutex_key;
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mysql_pfs_key_t purge_sys_pq_mutex_key;
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mysql_pfs_key_t recv_sys_mutex_key;
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mysql_pfs_key_t recv_writer_mutex_key;
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mysql_pfs_key_t redo_rseg_mutex_key;
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mysql_pfs_key_t noredo_rseg_mutex_key;
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mysql_pfs_key_t page_zip_stat_per_index_mutex_key;
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# ifdef UNIV_DEBUG
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mysql_pfs_key_t sync_thread_mutex_key;
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mysql_pfs_key_t rw_lock_debug_mutex_key;
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# endif /* UNIV_DEBUG */
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mysql_pfs_key_t rtr_active_mutex_key;
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mysql_pfs_key_t rtr_match_mutex_key;
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mysql_pfs_key_t rtr_path_mutex_key;
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mysql_pfs_key_t rtr_ssn_mutex_key;
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mysql_pfs_key_t rw_lock_list_mutex_key;
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mysql_pfs_key_t rw_lock_mutex_key;
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mysql_pfs_key_t srv_dict_tmpfile_mutex_key;
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mysql_pfs_key_t srv_innodb_monitor_mutex_key;
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mysql_pfs_key_t srv_misc_tmpfile_mutex_key;
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mysql_pfs_key_t srv_monitor_file_mutex_key;
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mysql_pfs_key_t buf_dblwr_mutex_key;
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mysql_pfs_key_t trx_undo_mutex_key;
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mysql_pfs_key_t trx_mutex_key;
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mysql_pfs_key_t trx_pool_mutex_key;
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mysql_pfs_key_t trx_pool_manager_mutex_key;
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mysql_pfs_key_t lock_mutex_key;
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mysql_pfs_key_t lock_wait_mutex_key;
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mysql_pfs_key_t trx_sys_mutex_key;
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mysql_pfs_key_t srv_sys_mutex_key;
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mysql_pfs_key_t srv_threads_mutex_key;
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mysql_pfs_key_t event_mutex_key;
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mysql_pfs_key_t event_manager_mutex_key;
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mysql_pfs_key_t sync_array_mutex_key;
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mysql_pfs_key_t thread_mutex_key;
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mysql_pfs_key_t zip_pad_mutex_key;
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mysql_pfs_key_t row_drop_list_mutex_key;
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#endif /* UNIV_PFS_MUTEX */
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#ifdef UNIV_PFS_RWLOCK
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mysql_pfs_key_t btr_search_latch_key;
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mysql_pfs_key_t buf_block_lock_key;
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# ifdef UNIV_DEBUG
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mysql_pfs_key_t buf_block_debug_latch_key;
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# endif /* UNIV_DEBUG */
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mysql_pfs_key_t checkpoint_lock_key;
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mysql_pfs_key_t dict_operation_lock_key;
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mysql_pfs_key_t dict_table_stats_key;
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mysql_pfs_key_t hash_table_locks_key;
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mysql_pfs_key_t index_tree_rw_lock_key;
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mysql_pfs_key_t index_online_log_key;
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mysql_pfs_key_t fil_space_latch_key;
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mysql_pfs_key_t fts_cache_rw_lock_key;
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mysql_pfs_key_t fts_cache_init_rw_lock_key;
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mysql_pfs_key_t trx_i_s_cache_lock_key;
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mysql_pfs_key_t trx_purge_latch_key;
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#endif /* UNIV_PFS_RWLOCK */
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/** For monitoring active mutexes */
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MutexMonitor* mutex_monitor;
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/**
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Prints wait info of the sync system.
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@param file - where to print */
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static
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void
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sync_print_wait_info(FILE* file)
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{
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fprintf(file,
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"RW-shared spins " UINT64PF ", rounds " UINT64PF ","
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" OS waits " UINT64PF "\n"
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"RW-excl spins " UINT64PF ", rounds " UINT64PF ","
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" OS waits " UINT64PF "\n"
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"RW-sx spins " UINT64PF ", rounds " UINT64PF ","
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" OS waits " UINT64PF "\n",
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(ib_uint64_t) rw_lock_stats.rw_s_spin_wait_count,
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(ib_uint64_t) rw_lock_stats.rw_s_spin_round_count,
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(ib_uint64_t) rw_lock_stats.rw_s_os_wait_count,
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(ib_uint64_t) rw_lock_stats.rw_x_spin_wait_count,
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(ib_uint64_t) rw_lock_stats.rw_x_spin_round_count,
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(ib_uint64_t) rw_lock_stats.rw_x_os_wait_count,
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(ib_uint64_t) rw_lock_stats.rw_sx_spin_wait_count,
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(ib_uint64_t) rw_lock_stats.rw_sx_spin_round_count,
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(ib_uint64_t) rw_lock_stats.rw_sx_os_wait_count);
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fprintf(file,
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"Spin rounds per wait: %.2f RW-shared,"
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" %.2f RW-excl, %.2f RW-sx\n",
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(double) rw_lock_stats.rw_s_spin_round_count /
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(rw_lock_stats.rw_s_spin_wait_count
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? rw_lock_stats.rw_s_spin_wait_count : 1),
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(double) rw_lock_stats.rw_x_spin_round_count /
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(rw_lock_stats.rw_x_spin_wait_count
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? rw_lock_stats.rw_x_spin_wait_count : 1),
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(double) rw_lock_stats.rw_sx_spin_round_count /
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(rw_lock_stats.rw_sx_spin_wait_count
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? rw_lock_stats.rw_sx_spin_wait_count : 1));
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}
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/**
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Prints info of the sync system.
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@param file - where to print */
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void
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sync_print(FILE* file)
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{
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#ifdef UNIV_DEBUG
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rw_lock_list_print_info(file);
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#endif /* UNIV_DEBUG */
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sync_array_print(file);
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sync_print_wait_info(file);
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}
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/** Print the filename "basename" e.g., p = "/a/b/c/d/e.cc" -> p = "e.cc"
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@param[in] filename Name from where to extract the basename
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@return the basename */
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const char*
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sync_basename(const char* filename)
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{
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const char* ptr = filename + strlen(filename) - 1;
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while (ptr > filename && *ptr != '/' && *ptr != '\\') {
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--ptr;
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}
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++ptr;
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return(ptr);
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}
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/** String representation of the filename and line number where the
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latch was created
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@param[in] id Latch ID
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@param[in] created Filename and line number where it was crated
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@return the string representation */
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std::string
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sync_mutex_to_string(
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latch_id_t id,
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const std::string& created)
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{
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std::ostringstream msg;
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msg << "Mutex " << sync_latch_get_name(id) << " "
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<< "created " << created;
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return(msg.str());
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}
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/** Enable the mutex monitoring */
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void
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MutexMonitor::enable()
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{
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/** Note: We don't add any latch meta-data after startup. Therefore
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there is no need to use a mutex here. */
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LatchMetaData::iterator end = latch_meta.end();
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for (LatchMetaData::iterator it = latch_meta.begin(); it != end; ++it) {
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if (*it != NULL) {
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(*it)->get_counter()->enable();
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}
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}
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}
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/** Disable the mutex monitoring */
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void
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MutexMonitor::disable()
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{
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/** Note: We don't add any latch meta-data after startup. Therefore
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there is no need to use a mutex here. */
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LatchMetaData::iterator end = latch_meta.end();
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for (LatchMetaData::iterator it = latch_meta.begin(); it != end; ++it) {
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if (*it != NULL) {
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(*it)->get_counter()->disable();
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}
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}
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}
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/** Reset the mutex monitoring counters */
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void
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MutexMonitor::reset()
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{
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/** Note: We don't add any latch meta-data after startup. Therefore
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there is no need to use a mutex here. */
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LatchMetaData::iterator end = latch_meta.end();
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for (LatchMetaData::iterator it = latch_meta.begin(); it != end; ++it) {
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if (*it != NULL) {
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(*it)->get_counter()->reset();
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}
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}
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mutex_enter(&rw_lock_list_mutex);
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for (rw_lock_t* rw_lock = UT_LIST_GET_FIRST(rw_lock_list);
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rw_lock != NULL;
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rw_lock = UT_LIST_GET_NEXT(list, rw_lock)) {
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rw_lock->count_os_wait = 0;
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}
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mutex_exit(&rw_lock_list_mutex);
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}
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