src/backend/utils/probes.d

   1 /* ----------
   2  *      DTrace probes for PostgreSQL backend
   3  *
   4  *      Copyright (c) 2006-2008, PostgreSQL Global Development Group
   5  *
   6  *      $PostgreSQL$
   7  * ----------
   8  */
   9
  10
  11 /* typedefs used in PostgreSQL */
  12 typedef unsigned int LocalTransactionId;
  13 typedef int LWLockId;
  14 typedef int LWLockMode;
  15 typedef int LOCKMODE;
  16 typedef unsigned int BlockNumber;
  17 typedef unsigned int Oid;
  18
  19 #define bool char
  20
  21 provider postgresql {
  22
  23         /*
  24          * Due to a bug in Mac OS X 10.5, using built-in typedefs (e.g. uintptr_t,
  25          * uint32_t, etc.) cause compilation errors.
  26          */
  27
  28         probe transaction__start(LocalTransactionId);
  29         probe transaction__commit(LocalTransactionId);
  30         probe transaction__abort(LocalTransactionId);
  31
  32         probe lwlock__acquire(LWLockId, LWLockMode);
  33         probe lwlock__release(LWLockId);
  34         probe lwlock__wait__start(LWLockId, LWLockMode);
  35         probe lwlock__wait__done(LWLockId, LWLockMode);
  36         probe lwlock__condacquire(LWLockId, LWLockMode);
  37         probe lwlock__condacquire__fail(LWLockId, LWLockMode);
  38
  39         /* The following probe declarations cause compilation errors
  40          * on Mac OS X but not on Solaris. Need further investigation.
  41          * probe lock__wait__start(unsigned int, LOCKMODE);
  42          * probe lock__wait__done(unsigned int, LOCKMODE);
  43          */
  44         probe lock__wait__start(unsigned int, int);
  45         probe lock__wait__done(unsigned int, int);
  46
  47         probe query__parse__start(const char *);
  48         probe query__parse__done(const char *);
  49         probe query__rewrite__start(const char *);
  50         probe query__rewrite__done(const char *);
  51         probe query__plan__start();
  52         probe query__plan__done();
  53         probe query__execute__start();
  54         probe query__execute__done();
  55         probe query__start(const char *);
  56         probe query__done(const char *);
  57         probe statement__status(const char *);
  58
  59         probe sort__start(int, bool, int, int, bool);
  60         probe sort__done(unsigned long, long);
  61
  62         /* The following probe declarations cause compilation errors
  63          * on Mac OS X but not on Solaris. Need further investigation.
  64          * probe buffer__read__start(BlockNumber, Oid, Oid, Oid, bool);
  65          * probe buffer__read__done(BlockNumber, Oid, Oid, Oid, bool, bool);
  66          */
  67         probe buffer__read__start(unsigned int, unsigned int, unsigned int, unsigned int, bool);
  68         probe buffer__read__done(unsigned int, unsigned int, unsigned int, unsigned int, bool, bool);
  69
  70         probe buffer__flush__start(Oid, Oid, Oid);
  71         probe buffer__flush__done(Oid, Oid, Oid);
  72
  73         probe buffer__hit(bool);
  74         probe buffer__miss(bool);
  75         probe buffer__checkpoint__start(int);
  76         probe buffer__checkpoint__done();
  77         probe buffer__sync__start(int, int);
  78         probe buffer__sync__written(int);
  79         probe buffer__sync__done(int, int, int);
  80
  81         probe deadlock__found();
  82
  83         probe clog__checkpoint__start(bool);
  84         probe clog__checkpoint__done(bool);
  85         probe subtrans__checkpoint__start(bool);
  86         probe subtrans__checkpoint__done(bool);
  87         probe multixact__checkpoint__start(bool);
  88         probe multixact__checkpoint__done(bool);
  89         probe twophase__checkpoint__start();
  90         probe twophase__checkpoint__done();
  91 };