"The first release, scheduled for September 2009 (code name: Vanilla),
will provide feature parity with the LTTng Viewer (LTTV) v0.12.12."
And this seemed to have a screenshot of the LTTng plugin:
This was pretty good overview of past & present tracing:
Architecture bit here was annoying:
As it assumes that one has a working user-space in problematic cases one
wants to analyze. Kernel should be able to optionally get the data out
also through some high-speed HW interface without going through user-space
and filling of the flight record buffer would better not rely on
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