fasttrap man page on SmartOS

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       fasttrap - DTrace user instruction tracing provider

       The  fasttrap driver is a DTrace dynamic tracing provider that performs
       dynamic instrumentation of arbitrary instructions in Solaris processes.
       The fasttrap driver implements the DTrace fasttrap and pid providers.

       The fasttrap driver is not a public interface and you access 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
       fasttrap provider.

       The  fasttrap  provider	provides a DTrace probe that fires each time a
       user process executes an instruction. The pid provider allows  for  the
       dynamic	creation  of  DTrace probes corresponding to instruction loca‐
       tions inside any user process specified	using  a  process  ID  and  an
       instruction  address  or	 symbol	 name. Together these providers permit
       DTrace users to perform instrumentation of Solaris user	processes  and
       to  trace  the interactions between processes and the operating system.
       See the chapter entitled "User Process Tracing"	in the Solaris Dynamic
       Tracing	Guide for information on how to use these providers to instru‐
       ment processes.

       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			  FASTTRAP(7D)

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