src/backend/utils/probes.d

   1 /* ----------
   2  *      DTrace probes for PostgreSQL backend
   3  *
   4  *      Copyright (c) 2006-2024, PostgreSQL Global Development Group
   5  *
   6  *      src/backend/utils/probes.d
   7  * ----------
   8  */
   9
  10
  11 /*
  12  * Typedefs used in PostgreSQL probes.
  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.
  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 unsigned 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, int);
  56         probe sort__done(bool, long);
  57
  58         probe buffer__read__start(ForkNumber, BlockNumber, Oid, Oid, Oid, int);
  59         probe buffer__read__done(ForkNumber, BlockNumber, Oid, Oid, Oid, int, bool);
  60         probe buffer__flush__start(ForkNumber, BlockNumber, Oid, Oid, Oid);
  61         probe buffer__flush__done(ForkNumber, BlockNumber, Oid, Oid, Oid);
  62         probe buffer__extend__start(ForkNumber, Oid, Oid, Oid, int, unsigned int);
  63         probe buffer__extend__done(ForkNumber, Oid, Oid, Oid, int, unsigned int, BlockNumber);
  64
  65         probe buffer__checkpoint__start(int);
  66         probe buffer__checkpoint__sync__start();
  67         probe buffer__checkpoint__done();
  68         probe buffer__sync__start(int, int);
  69         probe buffer__sync__written(int);
  70         probe buffer__sync__done(int, int, int);
  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 };