6.35
And yes, using nick colors.
EDIT: and I'd like to add just in case, that scripts are not causing it(unloaded them without a difference) and that I'm not running any resident av, yet do check my disk for virus&trojans and that everything is clean.
EDIT2: and for the more sceptic, here's an even more precise graph drawn with xperf, which also shows it's not dpc/interrupt based:
http://saber.kawaii-shoujo.net/Various/SS-2009-02-08-11.13.58%20PM.png
