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Diffstat (limited to 'storage/innobase/ut/ut0new.cc')
| -rw-r--r-- | storage/innobase/ut/ut0new.cc | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/storage/innobase/ut/ut0new.cc b/storage/innobase/ut/ut0new.cc new file mode 100644 index 00000000..5e00a4ca --- /dev/null +++ b/storage/innobase/ut/ut0new.cc @@ -0,0 +1,112 @@ +/***************************************************************************** + +Copyright (c) 2014, 2016, Oracle and/or its affiliates. All Rights Reserved. +Copyright (c) 2019, 2020, MariaDB Corporation. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +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 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, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA + +*****************************************************************************/ + +/**************************************************//** +@file ut/ut0new.cc +Instrumented memory allocator. + +Created May 26, 2014 Vasil Dimov +*******************************************************/ + +#include "univ.i" +#include <algorithm> +/** The total amount of memory currently allocated from the operating +system with allocate_large(). */ +Atomic_counter<ulint> os_total_large_mem_allocated; + +/** Maximum number of retries to allocate memory. */ +const size_t alloc_max_retries = 60; + +/** Keys for registering allocations with performance schema. +Keep this list alphabetically sorted. */ +#ifdef BTR_CUR_HASH_ADAPT +PSI_memory_key mem_key_ahi; +#endif /* BTR_CUR_HASH_ADAPT */ +PSI_memory_key mem_key_buf_buf_pool; +PSI_memory_key mem_key_dict_stats_bg_recalc_pool_t; +PSI_memory_key mem_key_dict_stats_index_map_t; +PSI_memory_key mem_key_dict_stats_n_diff_on_level; +PSI_memory_key mem_key_other; +PSI_memory_key mem_key_row_log_buf; +PSI_memory_key mem_key_row_merge_sort; +PSI_memory_key mem_key_std; + +#ifdef UNIV_PFS_MEMORY + +/** Auxiliary array of performance schema 'PSI_memory_info'. +Each allocation appears in +performance_schema.memory_summary_global_by_event_name (and alike) in the form +of e.g. 'memory/innodb/NAME' where the last component NAME is picked from +the list below: +1. If key is specified, then the respective name is used +2. Without a specified key, allocations from inside std::* containers use + mem_key_std +3. Without a specified key, allocations from outside std::* pick up the key + based on the file name, and if file name is not found in the predefined list + (in ut_new_boot()) then mem_key_other is used. +Keep this list alphabetically sorted. */ +static PSI_memory_info pfs_info[] = { +#ifdef BTR_CUR_HASH_ADAPT + {&mem_key_ahi, "adaptive hash index", 0}, +#endif /* BTR_CUR_HASH_ADAPT */ + {&mem_key_buf_buf_pool, "buf_buf_pool", 0}, + {&mem_key_dict_stats_bg_recalc_pool_t, "dict_stats_bg_recalc_pool_t", 0}, + {&mem_key_dict_stats_index_map_t, "dict_stats_index_map_t", 0}, + {&mem_key_dict_stats_n_diff_on_level, "dict_stats_n_diff_on_level", 0}, + {&mem_key_other, "other", 0}, + {&mem_key_row_log_buf, "row_log_buf", 0}, + {&mem_key_row_merge_sort, "row_merge_sort", 0}, + {&mem_key_std, "std", 0}, +}; + +static const int NKEYS = static_cast<int>UT_ARR_SIZE(auto_event_names)-1; +static PSI_memory_key auto_event_keys[NKEYS]; + +/** Setup the internal objects needed for UT_NEW() to operate. +This must be called before the first call to UT_NEW(). */ +void ut_new_boot() +{ + PSI_MEMORY_CALL(register_memory)("innodb", pfs_info, static_cast<int> + UT_ARR_SIZE(pfs_info)); + + PSI_memory_info pfs_info_auto[NKEYS]; + for (int i= 0; i < NKEYS; i++) + { + pfs_info_auto[i]= {&auto_event_keys[i], auto_event_names[i], 0}; + } + + PSI_MEMORY_CALL(register_memory)("innodb", pfs_info_auto,NKEYS); +} + +/** Retrieve a memory key (registered with PFS), corresponding to source file . + +@param[in] autoevent_idx - offset to the auto_event_names corresponding to the +file name of the caller. + +@return registered memory key or PSI_NOT_INSTRUMENTED +*/ +PSI_memory_key ut_new_get_key_by_file(uint32_t autoevent_idx) +{ + ut_ad(autoevent_idx < NKEYS); + return auto_event_keys[autoevent_idx]; +} + +#else /* UNIV_PFS_MEMORY */ +void ut_new_boot(){} +#endif |