X Server DTrace Provider

Starting with this release, the X Window System servers include a User-land Statically Defined Tracing (USDT) DTrace provider for instrumenting X11 client connections. The X Window System servers include the following:

• Xorg

• Xsun

• Xprt

• Xnest

• Xvfb

For more information about available probes and their arguments, and sample DTrace scripts using them, see http://people.freedesktop.org/~alanc/dtrace/.