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Collect the bits of wisdom about dtrace installation in the installation

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chapter rather than scattering them across several incomplete fragments.

(This makes the documentation consistent with the backported FAQ_Solaris.)
This commit is contained in:
Peter Eisentraut 2006-12-12 16:07:42 +00:00
parent d94fa4183f
commit 9178874f34
2 changed files with 25 additions and 28 deletions
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15
doc/src/sgml/installation.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.267 2006/12/01 21:17:51 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.267.2.1 2006/12/12 16:07:41 petere Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
@ -1039,6 +1039,19 @@ su - postgres
specified in the environment variable
<envar>DTRACEFLAGS</envar>.
</para>
<para>
To include DTrace support in a 64-bit binary, specify
<literal>DTRACEFLAGS="-64"</> to configure. For example,
using the GCC compiler:
<screen>
./configure CC='gcc -m64' --enable-dtrace DTRACEFLAGS='-64' ...
</screen>
Using Sun's compiler:
<screen>
./configure CC='/opt/SUNWspro/bin/cc -xtarget=native64' --enable-dtrace DTRACEFLAGS='-64' ...
</screen>
</para>
</listitem>
</varlistentry>

32
doc/src/sgml/monitoring.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.40 2006/12/02 00:42:54 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.40.2.1 2006/12/12 16:07:42 petere Exp $ -->
<chapter id="monitoring">
<title>Monitoring Database Activity</title>
@ -824,29 +824,14 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS procpid,
</para>
<sect2 id="compiling-for-trace">
<title>Compiling for Dynamic Trace</title>
<title>Compiling for Dynamic Tracing</title>
<para>
By default, trace points are disabled, so you will need to
explicitly tell the configure script to make the probes available
in <productname>PostgreSQL</productname>. To include DTrace support
in a 32-bit binary, specify <option>--enable-dtrace</> to configure.
For example:
<programlisting>
$ ./configure --enable-dtrace ...
</programlisting>
To include DTrace support in a 64-bit binary, specify
<option>--enable-dtrace</>
and <literal>DTRACEFLAGS="-64"</> to configure. For example,
using the gcc compiler:
<programlisting>
$ ./configure CC='gcc -m64' --enable-dtrace DTRACEFLAGS='-64' ...
</programlisting>
Using Sun's compiler:
<programlisting>
$ ./configure CC='/path_to_sun_compiler/cc -xtarget=native64' --enable-dtrace DTRACEFLAGS='-64' ...
</programlisting>
</para>
specify <option>--enable-dtrace</> to configure. See <xref
linkend="install-procedure"> for further information.
</sect2>
<sect2 id="trace-points">
@ -855,7 +840,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS procpid,
<para>
A few standard trace points are provided in the source code
(of course, more can be added as needed for a particular problem).
These are:
These are shown in <xref linkend="trace-point-table">.
</para>
<table id="trace-point-table">
@ -974,15 +959,14 @@ postgresql$1:::transaction-commit
Note how the double underline in trace point names needs to
be replaced by a hyphen when using D script.
When executed, the example D script gives output such as:
<programlisting>
<screen>
# ./txn_count.d `pgrep -n postgres`
^C
Start 71
Commit 70
Abort 1
Total time (ns) 2312105013
</programlisting>
</screen>
</para>
<para>
You should remember that trace programs need to be carefully written and
@ -999,7 +983,7 @@ Total time (ns) 2312105013
<para>
New trace points can be defined within the code wherever the developer
desires, though this will require a re-compile.
desires, though this will require a recompilation.
</para>
<para>