I know that with noatime attribute, http://tldp.org/LDP/solrhe/Securing-Optimizing-Linux-RH-Edition-v1.3/chap6sec73.html, it will have a performance gain. I want to know how I can figure out how much the kernel is waiting its time without noatime. Is the possible?
Apparently Analagous Threads
Wisdom of the Ancients
