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All the Perl that's Practical to Extract and Report

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  • To be fair Sun did all the heavy lifting. They added a quick "is this probe enabled" test that can be used to wrap the instrumentation code. In fact I'm told they developed it specifically to make dtrace fast enough for Perl! And it is fast. The benchmark figures there are for 10,000,000 calls to an empty subroutine - so if there was any performance hit to entry/exit it'd show.

    Right now I'm working on getting Configure to handle dtrace. It's slightly complicated by the fact that Sun's /usr/sbin/dtrace and