Efficient Ops
Dec 25, 2018 · Fundamentals
Why %CPU Is Misleading: Understanding the Real Meaning of CPU Utilization
This article explains why the traditional %CPU metric can be deceptive, describes how CPU stalls and memory bottlenecks affect perceived utilization, and offers practical guidance on using IPC and performance counters to obtain a more accurate view of system performance.
CPU stallsCPU utilizationIPC
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