March 2004
Intermediate to advanced
560 pages
14h 38m
English
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4.4. Summary
It is impossible to carry out performance management unless system performance can be measured. Measuring system performance requires some method of instrumentation. Software instrumentation is the most practical method for measuring system performance, even though it is invasive to the operating system; that is, it will often affect the performance of the system being measured. The amount of effect is called the overhead of the measurement. The smaller the overhead of the measurement, the more accurate it will be.
An important goal of performance tools is to minimize the overhead of the tool so that the performance data presented accurately reflects the state of the system. Different tools have different amounts of overhead. The ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.