OPPO Kernel Craftsman
Jul 1, 2022 · Operations
Linux Kernel Performance Profiling: A Comprehensive Guide to On-CPU and Off-CPU Analysis
This comprehensive guide explains Linux kernel performance profiling—both on‑CPU and off‑CPU—by stressing the need to target the critical 3 % of code, covering throughput, latency and power metrics, scalability laws, flame‑graph visualizations, perf and eBPF tools, lock‑contention analysis, and further reading recommendations.
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