Code Farming
Oct 12, 2026 · Backend Development
Performance Root Cause Analysis: Decision Trees & Evidence Chains Explained
This article introduces a systematic performance analysis methodology using decision trees (components, modules, counters) and evidence chains (global then targeted drilling), illustrated with a real case of resolving CPU softirq imbalance by increasing network RX queues from 1 to 8.
CPU softirqLinux tuningPerformance Analysis
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