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Topic: DTrace

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	BigAdmin: DTrace
		DTrace is a comprehensive dynamic tracing framework for the Solaris Operating Environment.
		DTrace provides a powerful infrastructure to permit administrators, developers, and service personnel to concisely answer arbitrary questions about the behavior of the operating system and user programs.
		The DTrace team will be presenting this paper at this year's USENIX Annual Technical Conference.
	www.sun.com /bigadmin/content/dtrace (601 words)

	DTrace Tools
		DTrace vs truss this demonstrates the performace impact of using DTrace vs truss.
		DTracing SMC here we have a quick look at using DTrace to investigate the behaviour of SMC when it is first executed.
		DTracing Lost CPU here we take a look at a mysterious problem where the CPUs are busy, but there dosen't appear to be any processes responsible for this.
	www.brendangregg.com /dtrace.html (3052 words)

	Solaris Operating System - Data Sheet - Solaris Dynamic Tracing (DTrace)
		DTrace is designed to quickly identify the root cause of system performance problems.
		DTrace finds problems that simply could not be found before, regardless of how many days, weeks, or months of troubleshooting took place.
		DTrace allows us to answer those questions in minutes and make decisions based on real data." Finally, because it is now possible to see exactly what the system is doing, companies can more accurately plan for future capacity.
	www.sun.com /software/solaris/ds/dtrace.jsp (1047 words)

	Adam Leventhal's Weblog
		For the uninitiated, DTrace is the dynamic tracing facility in OpenSolaris; it allows for systemic analysis of a scope and precision unequalled in the industry.
		With DTrace, administrators and developers can trace low level services like I/O and scheduling, up the system stack through kernel functions calls, system calls, and system library calls, and into applications written in C and C++ or any of a host of dynamic languages like Java, Ruby, Perl or php.
		DTrace has several different instrumentation providers that know how to instrument a particular part of the system and provide relevant probes for that component.
	blogs.sun.com /ahl/entry/dtrace_for_linux (2912 words)

	DTrace at OpenSolaris.org
		The Solaris™ Dynamic Tracing Guide describes how to use DTrace to observe, debug and tune system behavior.
		), also includes a complete reference for bundled DTrace observability tools and the D programming language.
		Your use of this web site or any of its content or software indicates your agreement to be bound by these Terms of Use.
	opensolaris.org /os/community/dtrace (340 words)

	Sun delivers Unix shocker with DTrace \| The Register
		DTrace is one of the key additions being made to Sun's flagship operating system in the upcoming release of Solaris 10.
		DTrace's inventors say admins need "to have a good relationship with their brains" to use the software best.
		With an exceedingly simple command line invocation of DTrace, we were able to quickly identify the line of code, the reason for the cross calls, and the impact on performance.
	www.theregister.co.uk /2004/07/08/dtrace_user_take (1969 words)

	DTrace Case Study for Developers
		DTrace is a feature of the Solaris 10 Operating System, which is available as the Solaris Express release.
		Dtrace is powerful debugging tool for software developers, offering you the ability to dynamically instrument your code to display function arguments and return values.
		Note that fbt is only one of DTrace's many providers; I'm just scratching the surface of the functionality provided by DTrace.
	developers.sun.com /solaris/articles/dtrace_for_dev.html (1195 words)

	DTrace for FreeBSD (Site not responding. Last check: 2007-11-06)
		DTrace is a dynamic tracing facility designed by Sun Microsystems and released in Solaris 10.
		DTrace is being ported to FreeBSD in such a way that it will be possible to do a source-level build of the FreeBSD operating system without any of the source files covered by the CDDL.
		The DTrace port is being developed using the FreeBSD Perforce repository in a project called dtrace.
	people.freebsd.org /~jb/dtrace/index.html (443 words)

	Sys Admin > v13, i06: DTrace -- Most Exposing Solaris Tool Ever (Site not responding. Last check: 2007-11-06)
		DTrace is a powerful new tool that's part of the Solaris 10 release and is available in pre-release via the Software Express for Solaris mechanism discussed in the April 2004 Solaris Companion.
		In this column, I'll summarize the features of DTrace, but I'll leave it to the Solaris kernel engineers who wrote DTrace to explore it with me in a series of questions and answers.
		I think that by the time you are finished hearing the engineers talk about DTrace, and once you experience it yourself, you'll agree with me that it's a brilliant piece of work that adds greatly to the ability to understand the workings of Solaris.
	www.samag.com /documents/s=9171/sam0406h/0406h.htm (728 words)

	The Observation Deck
		DTrace on Mac OS X! From WWDC here in San Francisco: Apple has just announced support for DTrace in Leopard, the upcoming release of Mac OS X! Often (or even usually?) announcements at conferences are more vapor than ware.
		In this case, though, Apple is being quite modest: they have done a tremendous amount of engineering work to bring DTrace to their platform (including, it turns out, implementing DTrace's FBT provider for PowerPC!), and they are using DTrace as part of the foundation for their new Xray performance tool.
		This is very exciting news, as it brings DTrace to a whole slew of new users.
	blogs.sun.com /roller/page/bmc?entry=dtrace_on_mac_os_x (529 words)

	DTrace at OpenSolaris.org
		DTrace is a comprehensive dynamic tracing framework for the Solaris™ Operating Environment.
		DTrace provides a powerful infrastructure to permit administrators, developers, and service personnel to concisely answer arbitrary questions about the behavior of the operating system and user programs.
		The Solaris™ Dynamic Tracing Guide describes how to use DTrace to observe, debug and tune system behavior.
	www.opensolaris.org /os/community/dtrace (378 words)

	DTrace - Solaris 10: советы и приёмы системного администрирования
		DTrace - Solaris 10: советы и приёмы системного администрирования
		Благодаря Адаму Левенталю, одного из авторов DTrace, я узнал о недавней статье про DTrace, написанной Брайаном Кантриллом.
		Наконец-то нашёл время, и скачал PEAR модуль DTrace.
	solaris.reys.net /categories/3-DTrace (668 words)

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