--- wikisrc/tutorials/how_to_enable_and_run_dtrace.mdwn	2017/03/22 15:33:08	1.14
+++ wikisrc/tutorials/how_to_enable_and_run_dtrace.mdwn	2017/04/08 21:38:18	1.18
@@ -1,4 +1,5 @@
-DTrace is a Dynamic Tracing framework developed by Sun and ported to NetBSD. It enables extensive instrumentation of the kernel and user space. See the [DTrace Community Page](http://dtrace.org) for more information. Also see [DTrace Introduction](http://dtrace.org/guide/preface.html). 
+DTrace is a Dynamic Tracing framework developed by Sun and ported to NetBSD. It enables extensive instrumentation of the kernel and user space. See the [DTrace Community Page](http://dtrace.org) for more information.
+Also see [DTrace Introduction](http://dtrace.org/guide/preface.html), Brendan Gregg's [DTrace one liners](http://www.brendangregg.com/DTrace/dtrace_oneliners.txt) and his notes for [DTrace on FreeBSD](https://wiki.freebsd.org/DTrace/).
 
 # Current status
 
@@ -7,7 +8,7 @@ DTrace is a Dynamic Tracing framework de
 DTrace is a work-in-progress effort and it is for x86 systems and some arm boards.
 
 * i386 and amd64
-* earm* (evbarm and armv4 based ports (armv4 side requires further testing but system is built with CTF)
+* earm* (evbarm and armv4 based ports)
 
 ## Supported providers
 
@@ -41,11 +42,14 @@ You need the following options in your k
     options         MODULAR
 
 Optionally:
+
     options         INSECURE   # permit modules to loaded from user space once system has gone multiuser and securelevel has been raised.
 
 A Distribution needs to be built with the options `MKDTRACE=yes` and `MKCTF=yes`, this is taken care of automatically and doesn't need to be specified manually. The list of platforms it is applied to automatically is set in `src/share/mk/bsd.own.mk`
 
 Set the system to load the solaris and dtrace related modules in `/etc/modules.conf`, for a list of available modules, see `/stand/$MACHINE/$VERSION/modules/`
+
+For example, add the following to `/etc/modules.conf` (the file may not exist already on a system):
     
     solaris
     dtrace