The real gem for me in that article (particularly since I already knew about those linux commands) was the USE method [1] and then consequently finding the TSA method [2] on the same linked site.<p>[1]: <a href="http:&#x2F;&#x2F;www.brendangregg.com&#x2F;usemethod.html" rel="nofollow">http:&#x2F;&#x2F;www.brendangregg.com&#x2F;usemethod.html</a><p>[2]: <a href="http:&#x2F;&#x2F;www.brendangregg.com&#x2F;tsamethod.html" rel="nofollow">http:&#x2F;&#x2F;www.brendangregg.com&#x2F;tsamethod.html</a>