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Record CPU usage for a given process over time
Authored by: teacy123 on Nov 01, '09 10:15:24PM

Have you looked at dtrace? That's the technology / command-line tool which is underlying Instruments. It can record everything in your system (Instruments is just a glimpse at the more commonly used options) with hardly any overhead. It originally came from Sun and their Solaris OS. Type "man dtrace" for instructions and a URL to an introduction website.

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