doc: Update DTrace information

The old web site link no longer worked, and some information was
outdated.

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index c22f16af79e62c28c3ce8978850159cb6b881a49..b37b6c301cb3c241514027c2c97bf782caafbb93 100644 (file)
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1814,14 +1814,12 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
   
 
   
-   Currently, only the
-   DTrace
-   utility is supported, which is available
-   on OpenSolaris, Solaris 10, and Mac OS X Leopard. It is expected that
-   DTrace will be available in the future on FreeBSD and possibly other
-   operating systems.  The
+   Currently, the
+   DTrace
+   utility is supported, which, at the time of this writing, is available
+   on Solaris, Mac OS X, FreeBSD, NetBSD, and Oracle Linux.  The
    SystemTap project
-   for Linux also provides a DTrace equivalent.  Supporting other dynamic
+   for Linux provides a DTrace equivalent and can also be used.  Supporting other dynamic
    tracing utilities is theoretically possible by changing the definitions for
    the macros in src/include/utils/probes.h.