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Stephen Shankland

Staff Writer, CNET

In its first 40 hours as publicly available source code, Sun Microsystems’ DTrace component of the Solaris 10 operating system was downloaded 3,683 times, Sun said Thursday. Sun is trying to use DTrace–Dynamic Tracing software that lets the technically savvy dig into running software in order to clear up performance bottlenecks–as a teaser to get programmers interested in the open-source Solaris project.

“Sun is very pleased by the large amount of initial interest in OpenSolaris,” the company said in a statement about the downloads. Also, in an effort to dispel some of the mysteries of the 90,000 or so lines of DTrace code, developer Bryan Cantrill offered a guided tour of the DTrace source code Tuesday.