</para>

<para>

Currently, only the

<ulink url="http://opensolaris.org/os/community/dtrace/">DTrace</ulink>

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

<ulink url="https://en.wikipedia.org/wiki/DTrace">DTrace</ulink>

utility is supported, which, at the time of this writing, is available

on Solaris, Mac OS X, FreeBSD, NetBSD, and Oracle Linux. The

<ulink url="http://sourceware.org/systemtap/">SystemTap</ulink> project

for Linuxalsoprovides 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 <filename>src/include/utils/probes.h</>.

</para>