I think I bother you about a new tracing book for Linux every time one of your articles is posted, so I'll give my obligatory: We want a new Brendan Gregg traci

I think I bother you about a new tracing book for Linux every time one of your articles is posted, so I'll give my obligatory: We want a new Brendan Gregg tracing book! ;) Things have been moving so fast it's probably a good thing you didn't. It sounds like 4.9 will slow a lot of that down to a more manageable pace for writing a book, though.