diff options
Diffstat (limited to 'storage/tokudb/hatoku_hton.cc')
| -rw-r--r-- | storage/tokudb/hatoku_hton.cc | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/storage/tokudb/hatoku_hton.cc b/storage/tokudb/hatoku_hton.cc index 599948e03f8..cee8575eebb 100644 --- a/storage/tokudb/hatoku_hton.cc +++ b/storage/tokudb/hatoku_hton.cc @@ -28,6 +28,17 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved. #define TOKU_METADB_NAME "tokudb_meta" +static pfs_key_t tokudb_map_mutex_key; + +static PSI_mutex_info all_tokudb_mutexes[] = { + {&tokudb_map_mutex_key, "tokudb_map_mutex", 0}, + {&ha_tokudb_mutex_key, "ha_tokudb_mutex", 0}, +}; + +static PSI_rwlock_info all_tokudb_rwlocks[] = { + {&num_DBs_lock_key, "num_DBs_lock", 0}, +}; + typedef struct savepoint_info { DB_TXN* txn; tokudb_trx_data* trx; @@ -109,8 +120,8 @@ handlerton* tokudb_hton; const char* ha_tokudb_ext = ".tokudb"; DB_ENV* db_env; -#if TOKU_THDVAR_MEMALLOC_BUG static tokudb::thread::mutex_t tokudb_map_mutex; +#if TOKU_THDVAR_MEMALLOC_BUG static TREE tokudb_map; struct tokudb_map_pair { THD* thd; @@ -212,6 +223,10 @@ extern "C" { // use constructor and destructor functions to create and destroy // the lock before and after main(), respectively. int tokudb_hton_initialized; + +// tokudb_hton_initialized_lock can not be instrumented as it must be +// initialized before mysql_mutex_register() call to protect +// some globals from race condition. tokudb::thread::rwlock_t tokudb_hton_initialized_lock; static SHOW_VAR *toku_global_status_variables = NULL; @@ -267,10 +282,23 @@ static int tokudb_init_func(void *p) { int r; // 3938: lock the handlerton's initialized status flag for writing - tokudb_hton_initialized_lock.lock_write(); + rwlock_t_lock_write(tokudb_hton_initialized_lock); + +#ifdef HAVE_PSI_INTERFACE + /* Register TokuDB mutex keys with MySQL performance schema */ + int count; + + count = array_elements(all_tokudb_mutexes); + mysql_mutex_register("tokudb", all_tokudb_mutexes, count); + + count = array_elements(all_tokudb_rwlocks); + mysql_rwlock_register("tokudb", all_tokudb_rwlocks, count); + + tokudb_map_mutex.reinit(tokudb_map_mutex_key); +#endif /* HAVE_PSI_INTERFACE */ db_env = NULL; - tokudb_hton = (handlerton *) p; + tokudb_hton = (handlerton*)p; if (tokudb::sysvars::check_jemalloc) { typedef int (*mallctl_type)( @@ -668,7 +696,7 @@ int tokudb_end(handlerton* hton, ha_panic_function type) { // initialized. grab a writer lock for the duration of the // call, so we can drop the flag and destroy the mutexes // in isolation. - tokudb_hton_initialized_lock.lock_write(); + rwlock_t_lock_write(tokudb_hton_initialized_lock); assert_always(tokudb_hton_initialized); tokudb::background::destroy(); @@ -748,16 +776,16 @@ static int tokudb_close_connection(handlerton* hton, THD* thd) { } tokudb::memory::free(trx); #if TOKU_THDVAR_MEMALLOC_BUG - tokudb_map_mutex.lock(); - struct tokudb_map_pair key = { thd, NULL }; + mutex_t_lock(tokudb_map_mutex); + struct tokudb_map_pair key = {thd, NULL}; struct tokudb_map_pair* found_key = - (struct tokudb_map_pair*) tree_search(&tokudb_map, &key, NULL); + (struct tokudb_map_pair*)tree_search(&tokudb_map, &key, NULL); if (found_key) { tokudb::memory::free(found_key->last_lock_timeout); tree_delete(&tokudb_map, found_key, sizeof(*found_key), NULL); } - tokudb_map_mutex.unlock(); + mutex_t_unlock(tokudb_map_mutex); #endif return error; } @@ -1718,12 +1746,12 @@ static void tokudb_lock_timeout_callback( tokudb::memory::strdup(log_str.c_ptr(), MY_FAE); tokudb::sysvars::set_last_lock_timeout(thd, new_lock_timeout); #if TOKU_THDVAR_MEMALLOC_BUG - tokudb_map_mutex.lock(); - struct tokudb_map_pair old_key = { thd, old_lock_timeout }; + mutex_t_lock(tokudb_map_mutex); + struct tokudb_map_pair old_key = {thd, old_lock_timeout}; tree_delete(&tokudb_map, &old_key, sizeof old_key, NULL); - struct tokudb_map_pair new_key = { thd, new_lock_timeout }; + struct tokudb_map_pair new_key = {thd, new_lock_timeout}; tree_insert(&tokudb_map, &new_key, sizeof new_key, NULL); - tokudb_map_mutex.unlock(); + mutex_t_unlock(tokudb_map_mutex); #endif tokudb::memory::free(old_lock_timeout); } |