fbt man page on SmartOS

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FBT(7D)								       FBT(7D)

       fbt - DTrace function boundary tracing provider

       The  fbt	 driver	 is  a	DTrace	dynamic tracing provider that performs
       dynamic instrumentation at function boundaries in the Solaris kernel.

       The function is the fundamental	unit  of  program  text.  In  a	 well-
       designed	 system,  the  function	 performs  a discrete and well-defined
       operation on a specified object or series of like objects.  Most	 func‐
       tions  are  implemented by themselves calling functions on encapsulated
       objects, but some functions —so-called "leaf functions"	—  are	imple‐
       mented  without	making	further	 function calls. The Function Boundary
       Tracing fbt provider contains a mechanism for  instrumenting  the  vast
       majority of functions in the kernel and offering the instrumentation as
       a set of DTrace probes.

       The fbt driver is not a public interface and you access the  instrumen‐
       tation  offered	by  this provider through DTrace. Refer to the Solaris
       Dynamic Tracing Guide for a description of the public documented inter‐
       faces  available	 for the DTrace facility and the probes offered by the
       fbt provider.

       See attributes(5) for a description of the following attributes:

       │Interface Stability │ Private	      │

       dtrace(1M), attributes(5), dtrace(7D)

       Solaris Dynamic Tracing Guide

				  Sep 4, 2003			       FBT(7D)

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