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{ Tag Archives } js

master control pecobro, the overkill performance code browser

The title isn’t true yet, but it’s disturbingly almost-true.  Pecobro’s hackish underpinnings have been “accidentally” replaced with surprisingly forward-looking code capable of supporting a much fancier feature set.  (I didn’t mean to, but I got tricked because the incremental cost to doing the ‘right thing’ was always so low.) The trace that you can see […]

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pecobro: the performance code browser (early stage)

At the beginning of last week, I had gotten dtrace working on a Mac Mini using the Mozilla javascript-provider probes.  Very cool stuff, but it left me with several questions about what would really be best to do next: How do I best understand what I’m seeing?  (Most of the codebase is brand new to […]

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