Systems performance expert and best-selling author Brendan Gregg summarizes relevant operating system, hardware, and application theory to quickly get professionals up to speed even if they have never analyzed performance before. Gregg then provides in-depth explanations of the latest tools and techniques, including extended BPF, and shows how to get the most out of cloud, web, and large-scale enterprise systems. Key topics covered include
- Hardware, kernel, and application internals, and how they perform
- Methodologies for rapid performance analysis of complex systems
- Optimizing CPU, memory, file system, disk, and networking usage
- Sophisticated profiling and tracing with perf, Ftrace, and BPF (BCC and bpftrace)
- Performance challenges associated with cloud computing hypervisors
- Benchmarking more effectively
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