1 /* ---------- 2 * DTrace probes for PostgreSQL backend 3 * 4 * Copyright (c) 2006-2017, PostgreSQL Global Development Group 5 * 6 * src/backend/utils/probes.d 7 * ---------- 8 */ 9 10 11 /* 12 * Typedefs used in PostgreSQL. 13 * 14 * NOTE: Do not use system-provided typedefs (e.g. uintptr_t, uint32_t, etc) 15 * in probe definitions, as they cause compilation errors on macOS 10.5. 16 */ 17 #define LocalTransactionId unsigned int 18 #define LWLockMode int 19 #define LOCKMODE int 20 #define BlockNumber unsigned int 21 #define Oid unsigned int 22 #define ForkNumber int 23 #define bool char 24 25 provider postgresql { 26 27 probe transaction__start(LocalTransactionId); 28 probe transaction__commit(LocalTransactionId); 29 probe transaction__abort(LocalTransactionId); 30 31 probe lwlock__acquire(const char *, LWLockMode); 32 probe lwlock__release(const char *); 33 probe lwlock__wait__start(const char *, LWLockMode); 34 probe lwlock__wait__done(const char *, LWLockMode); 35 probe lwlock__condacquire(const char *, LWLockMode); 36 probe lwlock__condacquire__fail(const char *, LWLockMode); 37 probe lwlock__acquire__or__wait(const char *, LWLockMode); 38 probe lwlock__acquire__or__wait__fail(const char *, LWLockMode); 39 40 probe lock__wait__start(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, LOCKMODE); 41 probe lock__wait__done(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, LOCKMODE); 42 43 probe query__parse__start(const char *); 44 probe query__parse__done(const char *); 45 probe query__rewrite__start(const char *); 46 probe query__rewrite__done(const char *); 47 probe query__plan__start(); 48 probe query__plan__done(); 49 probe query__execute__start(); 50 probe query__execute__done(); 51 probe query__start(const char *); 52 probe query__done(const char *); 53 probe statement__status(const char *); 54 55 probe sort__start(int, bool, int, int, bool); 56 probe sort__done(bool, long); 57 58 probe buffer__read__start(ForkNumber, BlockNumber, Oid, Oid, Oid, int, bool); 59 probe buffer__read__done(ForkNumber, BlockNumber, Oid, Oid, Oid, int, bool, bool); 60 probe buffer__flush__start(ForkNumber, BlockNumber, Oid, Oid, Oid); 61 probe buffer__flush__done(ForkNumber, BlockNumber, Oid, Oid, Oid); 62 63 probe buffer__checkpoint__start(int); 64 probe buffer__checkpoint__sync__start(); 65 probe buffer__checkpoint__done(); 66 probe buffer__sync__start(int, int); 67 probe buffer__sync__written(int); 68 probe buffer__sync__done(int, int, int); 69 probe buffer__write__dirty__start(ForkNumber, BlockNumber, Oid, Oid, Oid); 70 probe buffer__write__dirty__done(ForkNumber, BlockNumber, Oid, Oid, Oid); 71 72 probe deadlock__found(); 73 74 probe checkpoint__start(int); 75 probe checkpoint__done(int, int, int, int, int); 76 probe clog__checkpoint__start(bool); 77 probe clog__checkpoint__done(bool); 78 probe subtrans__checkpoint__start(bool); 79 probe subtrans__checkpoint__done(bool); 80 probe multixact__checkpoint__start(bool); 81 probe multixact__checkpoint__done(bool); 82 probe twophase__checkpoint__start(); 83 probe twophase__checkpoint__done(); 84 85 probe smgr__md__read__start(ForkNumber, BlockNumber, Oid, Oid, Oid, int); 86 probe smgr__md__read__done(ForkNumber, BlockNumber, Oid, Oid, Oid, int, int, int); 87 probe smgr__md__write__start(ForkNumber, BlockNumber, Oid, Oid, Oid, int); 88 probe smgr__md__write__done(ForkNumber, BlockNumber, Oid, Oid, Oid, int, int, int); 89 90 probe wal__insert(unsigned char, unsigned char); 91 probe wal__switch(); 92 probe wal__buffer__write__dirty__start(); 93 probe wal__buffer__write__dirty__done(); 94 }; 95