Tuesday Mar 06, 2007

DTrace Screencasts

The Solaris Developer Web/Video casts is a great site to view the new screencasts created to assist folks with DTrace for JavaScript Debugging and the Chime Visualization Tool for DTrace.

By using DTrace for JavaScript Debugging, all software layers in the system can be examined from the same tool, such as the software of the browser and the kernel. For example, DTrace may help you confirm that a performance issue is actually a bug in the browser - and not your JavaScript code. With the popularity of Web 2.0 technologies such as Ajax, there is an increasing need for powerful debugging tools that can examine complex JavaScript software. DTrace can examine JavaScript code execution in realtime, allowing the identification of performance issues and bugs. This screencast is presented by Brendan Gregg, co-author of Solaris Performing and Tools.

The Chime Visualization Tool for DTrace allows you to easily create live graphics of your own DTrace programs, complete with viewable documentation and active drill down. Tom Erickson, presentor of this screencast and creator of Chime and the Java DTrace API, built and ran this chime demo on his desktop AMD Opteron system running Solaris Nevada build 57 with Java 5 (build 1.5.0_10-b03) using the Java DTrace API.

Check them out!

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