If you haven't seen Brendan Gregg's Linux performance tools page & slides, you should check it out. He explores a wide variety of great stuff, especially perf a

If you haven't seen Brendan Gregg's Linux performance tools page & slides, you should check it out. He explores a wide variety of great stuff, especially perf and ftrace (as mentioned in the article) as well as a few dozen others that he describes in lesser detail: http://www.brendangregg.com/linuxperf.html http://www.brendangregg.com/linuxperf.html