It made me cringe reading the first line "The Linux kernel is an abundant component of modern IT systems". Come on guys, it's the kernel, there is one of them per system.
I liked the link to Load Averages on his site [0] - including the heroric tale of finding the source of the original patch that changed it to include more than just processes in CPU wait state.
Every time I come across Brendan Gregg's work I'm blown away. And I come across his work a lot! (It also brings a semi-patriotic tear to my eye to hear his aussie twang)
I was in awe when I first used strace. The world of tracing is vast these days and filled with wonders. I can't possibly say it better than this this guy so I'll just include a link.
At least there is cubeworld. That guy won't release it till it's perfect :) ... Seriously thou, there should be someone who's job it is is to put these things into perspective to the suits. bad design does cost money. engineers aren't MBA's (usually) and are bad at speaking their language (usually). And the "we're young therefore we know everything about technology" stereotype needs to go. The world is complicated, it can't be boiled down to buzzwords or stereotypes.
