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/* ---------- * pg_trace.h * * Definitions for the PostgreSQL tracing framework * * Copyright (c) 2006-2008, PostgreSQL Global Development Group * * $PostgreSQL: pgsql/src/include/pg_trace.h,v 1.3 2008/01/02 02:42:06 momjian Exp $ * ---------- */ #ifndef PG_TRACE_H #define PG_TRACE_H #ifdef ENABLE_DTRACE #include <sys/sdt.h> /* * The PG_TRACE macros are mapped to the appropriate macros used by DTrace. * * Only one DTrace provider called "postgresql" will be used for PostgreSQL, * so the name is hard-coded here to avoid having to specify it in the * source code. */ #define PG_TRACE(name) \ DTRACE_PROBE(postgresql, name) #define PG_TRACE1(name, arg1) \ DTRACE_PROBE1(postgresql, name, arg1) #define PG_TRACE2(name, arg1, arg2) \ DTRACE_PROBE2(postgresql, name, arg1, arg2) #define PG_TRACE3(name, arg1, arg2, arg3) \ DTRACE_PROBE3(postgresql, name, arg1, arg2, arg3) #define PG_TRACE4(name, arg1, arg2, arg3, arg4) \ DTRACE_PROBE4(postgresql, name, arg1, arg2, arg3, arg4) #define PG_TRACE5(name, arg1, arg2, arg3, arg4, arg5) \ DTRACE_PROBE5(postgresql, name, arg1, arg2, arg3, arg4, arg5) #else /* not ENABLE_DTRACE */ /* * Unless DTrace is explicitly enabled with --enable-dtrace, the PG_TRACE * macros will expand to no-ops. */ #define PG_TRACE(name) #define PG_TRACE1(name, arg1) #define PG_TRACE2(name, arg1, arg2) #define PG_TRACE3(name, arg1, arg2, arg3) #define PG_TRACE4(name, arg1, arg2, arg3, arg4) #define PG_TRACE5(name, arg1, arg2, arg3, arg4, arg5) #endif /* not ENABLE_DTRACE */ #endif /* PG_TRACE_H */