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Linux Perf 性能分析工具及火焰图浅析
Perf是内置于 Linux 内核源码树中的性能剖析(profiling)工具。它基于事件采样的原理,以性能事件为基础,支持针对处理器相关性能指标与操作系统相关性能指标的性能剖析。可用于性能瓶颈的查找与热点代码的定位。 本文将详细介绍 Linux Perf 的工作模式、Perf ...
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