Sources of Performance Data
Performance data comes from many places, first and foremost from tools or utilities specifically designed to support a particular piece of technology. For example, all operating systems come with tools designed to help you understand the performance of the CPU, memory, and disk subsystems. Similar insight is available for most hardware components, too. For instance, the manufacturers of most servers and disk subsystems provide tools designed to help you tune and tweak their systems; it’s in their best interests, after all, for their gear to work well.
Automatically Collected OS-Acquired Performance Data
Tools that dump real-time performance data into a log or other repository, and then enable you to sort and sift ...
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