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Explore the inner workings of CPU profilers and their role in measuring application performance in this 28-minute conference talk from CNCF's KubeCon + CloudNativeCon Europe 2022. Delve into the common usage of CPU profilers like Linux perf, Golang's pprof, and Rust's pprof-rs in applications. Discover how these tools reveal CPU time consumption across different functions, aiding in performance optimization. Learn about the implementation of an application task CPU profiler, which offers insights into CPU usage for individual requests, particularly beneficial for assessing resource consumption in multi-tenant services. Gain valuable knowledge to enhance your understanding of performance measurement and optimization techniques in cloud-native environments.