v8.log processor based on scripts in v8 distribution. Allows you to profile V8-based programs without installing V8 from source.
Note that starting from version v5.2.0 node distribution includes v8.log processor - see #node/4021. To use it, type
$ npm install -g tick
See V8 profiler page for basic introduction to v8.log
$ node --prof yourprogram
stopProfiling V8 profiler API exposed to node.js: v8-profiler