Probing Database Applications with DTrace

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11-20-2009

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Probing Database Applications with DTrace

Embedded probes have several advantages, and this session explains what they are and shows how to add probes to applications and use them to solve performance problems, with a case study from the MySQL database and PostgreSQL. CommunityOne, San Francisco, June 2009.

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LEARN ABOUT OPENSOLARIS

lx_systrace

lx_systrace(7D) 						      Devices							   lx_systrace(7D)

NAME

       lx_systrace - DTrace Linux system call tracing provider

DESCRIPTION

       The lx_systrace driver implements the DTrace lxsyscall dynamic tracing provider. The lxsyscall provider performs dynamic instrumentation to
       offer probes that fire whenever a thread enters or returns from a Linux system call entry point.

       The lx_systrace driver is not a public interface and you access the instrumentation offered by this provider through DTrace. Refer  to  the
       Solaris	Dynamic  Tracing  Guide  for  a  description  of the public documented interfaces available for the DTrace facility and the probes
       offered by the lxsyscall provider.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWlxr			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Private			   |
       +-----------------------------+-----------------------------+

SEE ALSO

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

       Solaris Dynamic Tracing Guide

SunOS 5.11							    19 Sep 2006 						   lx_systrace(7D)

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