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pfs_events_transactions.h
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23
24#ifndef PFS_EVENTS_TRANSACTIONS_H
25#define PFS_EVENTS_TRANSACTIONS_H
26
27/**
28 @file storage/perfschema/pfs_events_transactions.h
29 Events transactions data structures (declarations).
30*/
31
32#include <sys/types.h>
33#include <atomic>
34
35#include "my_inttypes.h"
36#include "mysql/gtid/tsid.h"
37#include "sql/rpl_gtid.h"
41
42// Define XIDDATASIZE manually here to avoid pulling in all of mysql/plugin.h
43// (which is big) just for MYSQL_XIDDATASIZE; this file is included from a lot
44// of places. We have a static_assert in the .cc file to check that they are
45// in sync. See sql/xa.h, which does the same thing.
46#define XIDDATASIZE 128
47
48struct PFS_thread;
49struct PFS_account;
50struct PFS_user;
51struct PFS_host;
52
53/**
54 struct PSI_xid is binary compatible with the XID structure as
55 in the X/Open CAE Specification, Distributed Transaction Processing:
56 The XA Specification, X/Open Company Ltd., 1991.
57 http://www.opengroup.org/bookstore/catalog/c193.htm
58
59 A value of -1 in formatID means that the XID is null.
60 Max length for bqual and gtrid is 64 bytes each.
61
62 @see XID in sql/handler.h
63 @see MYSQL_XID in mysql/plugin.h
64*/
65struct PSI_xid {
66 /** Format identifier. */
68 /** GTRID length, value 1-64. */
70 /** BQUAL length, value 1-64. */
72 /** XID raw data, not \0-terminated */
74
75 PSI_xid() { null(); }
76 bool is_null() const { return formatID == -1; }
77 void null() {
78 formatID = -1;
79 gtrid_length = 0;
80 bqual_length = 0;
81 }
82};
83typedef struct PSI_xid PSI_xid;
84
85/** A transaction record. */
87 /** Source identifier, mapped from internal format. */
90 /** InnoDB transaction ID. */
92 /** Status */
94 /** Global Transaction ID specifier. */
96 /** True if XA transaction. */
97 bool m_xa;
98 /** XA transaction ID. */
100 /** XA status */
102 /** Transaction isolation level. */
104 /** True if read-only transaction, otherwise read-write. */
106 /** True if autocommit transaction. */
108 /** Total number of savepoints. */
110 /** Number of rollback_to_savepoint. */
112 /** Number of release_savepoint. */
114};
115
116bool xid_printable(PSI_xid *xid, size_t offset, size_t length);
117
119 PFS_events_transactions *transaction);
121 PFS_events_transactions *transaction);
122
126
131
133 uint events_transactions_history_long_sizing);
135
147
148#endif
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:56
char * user
Definition: mysqladmin.cc:66
const char * host
Definition: mysqladmin.cc:65
bool length(const dd::Spatial_reference_system *srs, const Geometry *g1, double *length, bool *null) noexcept
Computes the length of linestrings and multilinestrings.
Definition: length.cc:76
Data types for columns used in the performance schema tables (declarations)
enum_isolation_level
Enum values for transaction isolation level columns.
Definition: pfs_column_types.h:329
enum_transaction_state
Enum values for transaction state columns.
Definition: pfs_column_types.h:292
enum_xa_transaction_state
Enum values for XA transaction state columns.
Definition: pfs_column_types.h:309
Events data structures (declarations).
void aggregate_account_transactions(PFS_account *account)
void aggregate_user_transactions(PFS_user *user)
bool xid_printable(PSI_xid *xid, size_t offset, size_t length)
Check if the XID consists of printable characters, ASCII 32 - 127.
Definition: pfs_events_transactions.cc:258
void reset_events_transactions_history_long()
Reset table EVENTS_TRANSACTIONS_HISTORY_LONG data.
Definition: pfs_events_transactions.cc:195
PFS_events_transactions * events_transactions_history_long_array
EVENTS_TRANSACTIONS_HISTORY_LONG circular buffer.
Definition: pfs_events_transactions.cc:64
ulong events_transactions_history_long_size
Definition: pfs_events_transactions.cc:51
void reset_events_transactions_current()
Reset table EVENTS_TRANSACTIONS_CURRENT data.
Definition: pfs_events_transactions.cc:173
void reset_events_transactions_global()
Reset table EVENTS_TRANSACTIONS_GLOBAL_BY_EVENT_NAME data.
Definition: pfs_events_transactions.cc:249
void reset_events_transactions_by_user()
Reset table EVENTS_TRANSACTIONS_SUMMARY_BY_USER_BY_EVENT_NAME data.
Definition: pfs_events_transactions.cc:235
void cleanup_events_transactions_history_long()
Cleanup table EVENTS_TRANSACTIONS_HISTORY_LONG.
Definition: pfs_events_transactions.cc:97
bool events_transactions_history_long_full
True if EVENTS_TRANSACTIONS_HISTORY_LONG circular buffer is full.
Definition: pfs_events_transactions.cc:60
void reset_events_transactions_by_thread()
Reset table EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME data.
Definition: pfs_events_transactions.cc:215
void reset_events_transactions_by_host()
Reset table EVENTS_TRANSACTIONS_SUMMARY_BY_HOST_BY_EVENT_NAME data.
Definition: pfs_events_transactions.cc:244
void aggregate_host_transactions(PFS_host *host)
int init_events_transactions_history_long(uint events_transactions_history_long_sizing)
Initialize table EVENTS_TRANSACTIONS_HISTORY_LONG.
Definition: pfs_events_transactions.cc:71
bool flag_events_transactions_history_long
Consumer flag for table EVENTS_TRANSACTIONS_HISTORY_LONG.
Definition: pfs_events_transactions.cc:57
bool flag_events_transactions_current
Consumer flag for table EVENTS_TRANSACTIONS_CURRENT.
Definition: pfs_events_transactions.cc:53
void reset_events_transactions_by_account()
Reset table EVENTS_TRANSACTIONS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME data.
Definition: pfs_events_transactions.cc:226
bool flag_events_transactions_history
Consumer flag for table EVENTS_TRANSACTIONS_HISTORY.
Definition: pfs_events_transactions.cc:55
PFS_cacheline_atomic_uint32 events_transactions_history_long_index
Index in EVENTS_TRANSACTIONS_HISTORY_LONG circular buffer.
Definition: pfs_events_transactions.cc:62
void insert_events_transactions_history(PFS_thread *thread, PFS_events_transactions *transaction)
Insert a transaction record in table EVENTS_TRANSACTIONS_HISTORY.
Definition: pfs_events_transactions.cc:116
void reset_events_transactions_history()
Reset table EVENTS_TRANSACTIONS_HISTORY data.
Definition: pfs_events_transactions.cc:190
void insert_events_transactions_history_long(PFS_events_transactions *transaction)
Insert a transaction record in table EVENTS_TRANSACTIONS_HISTORY_LONG.
Definition: pfs_events_transactions.cc:148
#define XIDDATASIZE
Definition: pfs_events_transactions.h:46
Miscellaneous global dependencies (declarations).
This struct represents a specification of a GTID for a statement to be executed: either "AUTOMATIC",...
Definition: rpl_gtid.h:3999
Per account statistics.
Definition: pfs_account.h:67
An atomic uint32 variable, guaranteed to be alone in a CPU cache line.
Definition: pfs_global.h:77
A transaction record.
Definition: pfs_events_transactions.h:86
enum_xa_transaction_state m_xa_state
XA status.
Definition: pfs_events_transactions.h:101
enum_transaction_state m_state
Status.
Definition: pfs_events_transactions.h:93
bool m_autocommit
True if autocommit transaction.
Definition: pfs_events_transactions.h:107
bool m_xa
True if XA transaction.
Definition: pfs_events_transactions.h:97
ulonglong m_trxid
InnoDB transaction ID.
Definition: pfs_events_transactions.h:91
ulonglong m_rollback_to_savepoint_count
Number of rollback_to_savepoint.
Definition: pfs_events_transactions.h:111
ulonglong m_release_savepoint_count
Number of release_savepoint.
Definition: pfs_events_transactions.h:113
enum_isolation_level m_isolation_level
Transaction isolation level.
Definition: pfs_events_transactions.h:103
bool m_read_only
True if read-only transaction, otherwise read-write.
Definition: pfs_events_transactions.h:105
PSI_xid m_xid
XA transaction ID.
Definition: pfs_events_transactions.h:99
ulonglong m_savepoint_count
Total number of savepoints.
Definition: pfs_events_transactions.h:109
Tsid_plain m_tsid
Definition: pfs_events_transactions.h:89
Gtid_specification m_gtid_spec
Global Transaction ID specifier.
Definition: pfs_events_transactions.h:95
An event record.
Definition: pfs_events.h:38
Per host statistics.
Definition: pfs_host.h:64
Instrumented thread implementation.
Definition: pfs_instr.h:375
Per user statistics.
Definition: pfs_user.h:63
struct PSI_xid is binary compatible with the XID structure as in the X/Open CAE Specification,...
Definition: pfs_events_transactions.h:65
long bqual_length
BQUAL length, value 1-64.
Definition: pfs_events_transactions.h:71
long formatID
Format identifier.
Definition: pfs_events_transactions.h:67
PSI_xid()
Definition: pfs_events_transactions.h:75
char data[XIDDATASIZE]
XID raw data, not \0-terminated.
Definition: pfs_events_transactions.h:73
bool is_null() const
Definition: pfs_events_transactions.h:76
long gtrid_length
GTRID length, value 1-64.
Definition: pfs_events_transactions.h:69
TSID representation so that:
Definition: tsid_plain.h:40